I intend this blog to be a mixture of my personal experiences with Multiple Sclerosis (MS) and news related to MS. Hopefully, I can shed an optimistic light on MS even though it is difficult to be an optimist living with MS.

Sunday, February 5, 2012

From Epstein-Barr to Gilenya Guidelines

News from my latest email from MSF:

Evidence Mounts Regarding Role of Epstein-Barr Virus in MS
New research conducted in the United Kingdom strengthens the hypothesis that the Epstein-Barr virus (EBV) plays a role in MS. Researchers at Queen Mary, University of London, examined the post-mortem brains of people who had MS and found that even though the virus was latent, it had been sending out chemical signals in the form of RNA.
Those signals caused inflammation and turned on the immune system leading to the symptoms of MS, the researchers reported. Previous research has not successfully shown the connection, but that may be due to the fact that the virus hides in immune system cells when not replicating.
While more studies need to be conducted, researchers are optimistic that learning more will lead to better MS treatments. The anticancer drug Rituximab kills the cells EBV uses to hide and is being used in clinical trials.
“We have to be careful and have to study more MS brains but this is potentially very exciting research. Now we understand how EBV gets smuggled into the brain by cells of the immune system and that it is found at the crime scene, right where the attack on our nervous system occurs. Now we know this, we may have a number of new ways of treating or even preventing the disease,”
the researchers noted.
 
Reversing Remyelination in Mice
A new study in mice shows that the age-associated decline in the regeneration of the nerve's myelin sheath, or remyelination, is reversible. The study demonstrates that when old mice are exposed to the inflammatory cells (called monocytes) from young mice, the ageing remyelination process can be reversed.
"For individuals with MS, this means that in theory regenerative therapies will work throughout the duration of the disease. Specifically, it means that remyelination therapies do not need to be based on stem cell transplantation since the stem cells already present in the brain and spinal cord can be made to regenerate myelin -- regardless of the patient's age," says Professor Robin Franklin, Director of the MS Society's Cambridge Centre for Myelin Repair at the University of Cambridge. Researchers at Harvard University also participated in the study.
The study was published in the journal Cell Stem Cell.
 
Looking at MS from a Different Perspective
While the current consensus among scientists is that MS is an auto-immune disease, one researcher from New York has proposed a very different theory: that MS may result from problems with the way the body metabolizes lipids, or fats in the blood. This in turn would cause the inflammation and spark a series of damaging events. 
Angelique Corthals, a forensic anthropologist at the John Jay College of Criminal Justice in New York, conducted a lengthy review and analysis of existing research. She notes that MS shares that underlying mechanism with atherosclerosis. (“Sclerosis” refers to hardening or scarring such as the build-up of plaque in arteries and the development of plaques in the brain associated with MS.)
She concludes that viewing MS in this light helps explain many mysteries that the autoimmune model leaves unanswered, including the role genetics play in MS risk, the environmental elements or pathogens that may trigger disease onset, and the reasons MS strikes twice as many women as men. (Atherosclerosis affects men more commonly than women; Carthals suggests gender differences in lipid metabolism may play a big role in determining who gets which condition.)
Because anti-inflammatory drugs such as statins commonly used to fight cardiovascular disease have also been used to treat symptoms of MS, she writes, such drugs may become part of more comprehensive and effective MS treatments than currently exist.
Carthals’ recently presented her theory in The Quarterly Review of Biology.
 
Vitamin D Levels Linked to Depression
Low levels of vitamin D have been linked to depression, according to UT Southwestern Medical Center psychiatrists working with the Cooper Center Longitudinal Study. It is believed to be the largest such investigation ever undertaken.
UT Southwestern researchers examined the results of almost 12,600 participants from late 2006 to late 2010. Dr. Brown and colleagues from The Cooper Institute found that higher vitamin D levels were associated with a significantly decreased risk of current depression, particularly among people with a prior history of depression.
Low vitamin D levels were associated with depressive symptoms, particularly those with a history of depression, so primary care patients with a history of depression may be an important target for assessing vitamin D levels. The study did not address whether increasing vitamin D levels reduced depressive symptoms.
The scientists have not determined the exact relationship -- whether low vitamin D contributes to symptoms of depression, whether depression itself contributes to lower vitamin D levels, or chemically how that happens. But vitamin D may affect neurotransmitters, inflammatory markers and other factors, which could help explain the relationship with depression, said Dr. E. Sherwood Brown, who leads the psychoneuroendocrine research program at UT Southwestern.
"Our findings suggest that screening for vitamin D levels in depressed patients -- and perhaps screening for depression in people with low vitamin D levels -- might be useful," said Dr. Brown, professor of psychiatry and senior author of the study, done in conjunction with The Cooper Institute in Dallas. "But we don't have enough information yet to recommend going out and taking supplements."

European Medicines Agency Strengthens Gilenya Guidelines While Review Underway
The European Medicines Agency, the agency responsible for the scientific evaluation of medicines for use in the European Union, has undertaken a review of Gilenya following cases of serious cardiac events and death in people who had recently started the medicine. As yet, there is not enough information to determine if Gilenya was the cause of these cases, which is why a review is underway. During the review, the agency has strengthened its recommendations for monitoring patients who receive the drug.
The new guidelines are as follows:
Before starting treatment with Gilenya, all patients should have their heart checked by ECG, a test that measures the electrical activity of the heart.
After receiving the first dose of Gilenya, all patients should have their heart function continuously monitored by ECG for six hours.
All patients should also have their blood pressure and heart rate checked every hour for six hours after the first dose.
If patients develop any clinically relevant heart problem (such as bradycardia or atrioventricular block), doctors are advised to consider extending the monitoring period until it is resolved.
These guidelines apply only within the European Union. FDA guidelines within the U.S. remain unchanged. Those being treated or planning to begin treatment who have questions can call Novartis, the drug's manufacturer, at 1-888-NOW-NOVA.
 
As always, new and exciting research is ongoing!  The most interesting thing here, in my opinion, is looking at MS from a new perspective.  The most exciting thing here is that remyelination is possible!  Hope all is well!

Saturday, January 28, 2012

More on CCSVI

The following information on CCSVI research is published on the NMSS website:
Reports from seven multi-disciplinary teams investigating CCSVI (chronic cerebrospinal venous insufficiency) in MS indicate that they are making good progress toward providing essential data and critical analysis as these two-year projects move toward their completion. The studies were launched on July 1, 2010 with a more than $ 2.4 million commitment from the MS Society of Canada and the National MS Society (USA). The ongoing work by the seven teams will help inform the design of an early-phase clinical trial that is expected to launch in late spring 2012 with funding from the MS Society of Canada and the Canadian Institutes of Health Research (CIHR).
The research teams have recruited and scanned a broad spectrum of people with MS and others to build understanding of who may be affected by CCSVI. In addition they are refining CCSVI imaging methods for accuracy and consistency to reliably validate the occurrence of CCSVI and understand its implications in the MS disease process. All of the seven teams are working under approvals from the required Institutional Review Boards in the U.S. or the Research Ethics Board in Canada, a first step established by regulatory authorities to protect human subjects involved in research projects.
Already more than 800 people have undergone scanning with various imaging technologies being used by the studies, including the Doppler ultrasound technology used by Dr. Paolo Zamboni and his collaborators, as well as magnetic resonance studies of the veins (MR venography), catheter venography, MRI scans of the brain, and clinical measures.
Representatives of each of the seven funded teams are part of the CIHR’s Scientific Expert Working Group. In November 2011 the Canadian Institutes of Health Research (CIHR) announced the release of a Request for Proposals seeking grant applications from researchers to conduct an early-phase clinical trial in Canada to test the ability of a surgical procedure called balloon venoplasty to improve blood drainage in individuals with MS who have been identified as having CCSVI. The request for research proposals is a collaborative initiative between the CIHR and the MS Society of Canada. The working group will provide leadership and advice concerning the clinical trial, and will continue to monitor and analyze the data from the seven studies and other studies related to CCSVI and MS around the world.
Several teams have presented, or are planning to present, preliminary results at medical meetings. Because the studies employ rigorous blinding and controls designed to collect objective and comprehensive data, the full results of the ongoing research will be available only after completion of the studies which will involve more than 1300 people representing a spectrum of MS types, severities and durations, as well as individuals with other disease types and healthy controls.
“The research underway is significantly advancing our understanding of CCSVI and what its relationship might be to MS disease process,” notes Dr. Tim Coetzee, chief research officer at the National MS Society. Dr. Karen Lee, Vice President Research at the Canada MS Society, concurs, “We are pleased that our collaborations with the National MS Society and CIHR are moving us closer to the answers that people with MS need about CCSVI and MS.”
Details of Progress
The funded investigators, who are drawn from a broad range of disciplines ranging from MS neurology, vascular surgery and interventional radiology, report progress in establishing standardized protocols, recruiting and scanning participants and in the development of plans for sharing their findings, as summarized below.
• Dr. Brenda Banwell, The Hospital for Sick Children, Toronto, Ontario
Dr. Banwell’s team is seeking confirmation for findings that Cerebrospinal Venous Insufficiency is a cause for MS. If impaired venous drainage occurs as a key part of the beginnings of the MS process, then venous abnormalities should be present even in the youngest MS patients. The team is now studying children and teenagers with MS to determine whether the venous system is abnormal in a population where the disease process is at a very early stage. Unlike adult MS patients, children are very unlikely to have any age-related changes in blood vessels, and do not have any of the adult-onset health conditions (such as high blood pressure, heart disease, use of medications) that might complicate the ability to determine whether blood flow patterns are due to MS or other causes. Their ultrasound team has received training from Dr. Zivadinov’s group in Buffalo, and has created ultrasound and brain imaging procedures suited to explore venous drainage in children. They plan to assess 30 children with MS, 30 healthy children of the same age, and 30 “graduates” (young adults who experienced the onset of MS during childhood and who received care and prior brain imaging studies at the Hospital for Sick Children). Enrollment began in December 2010 and Dr. Banwell’s team has reported that it is going well. To ensure the highest standards of scientific accuracy, they intend to analyze their findings once all 90 participants have undergone the testing; which will help to determine whether impaired venous drainage is indeed a core component of MS.
• Dr. Fiona Costello, Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta
The University of Calgary team has initiated a prospective cross-sectional study to determine the association between ultrasonography (US) and magnetic resonance venography (MRV) measures of venous outflow in MS patients. This study will evaluate 120 people with MS (including 65 with relapsing-remitting MS, 20 with secondary-progressive MS, 10 with primary-progressive MS, 10 with neuromyelitis optica, and 15 with pediatric MS) and 60 age- and sex-matched healthy control subjects. To date, 98 participants have been recruited. The main outcome measure will be the proportion of cases and controls with US and MRV evidence of extracranial venous outflow obstruction. Secondary outcomes will include MRI measures of brain inflammation, Expanded Disability Status Scale (EDSS) scores, and extracranial US measures of venous wall thickening and jugular valve competence.
The team published a paper based on the cases of five people who had experienced medical complications after undergoing procedures focused on treatment of venous abnormalities: “Complications in MS Patients after CCSVI Procedures Abroad.” Burton JM, Alikhani K, Goyal M, Costello F, White C, Patry D, Bell R, Hill M. (Calgary, AB).

• Dr. Aaron Field, University of Wisconsin School of Medicine and Public Health, Madison
Official approval of this study protocol was issued on June 28, 2011. The team continues to actively recruit study subjects from a database of approximately 100 MS patients who had contacted them since the study was first announced, as well as from the patient population seen regularly in their MS clinic. Thus far, 17 people with MS and 12 healthy controls have undergone both MRI/MRV and ultrasound imaging. No results are yet available as the study is blinded.
Since the previous progress report, Dr. Field was awarded a $27,000 grant from his institution to further investigate the novel MRI components of this study in healthy controls, particularly with regard to reliability and reproducibility. Specifically, they investigated (1) the use of a novel method to adjust venous flow measurements for variations related to breathing and heartbeat, (2) the use of a novel MRI method for measuring the iron content in brain tissue, and (3) the use of a relatively new, FDA-approved MRI contrast agent (a drug administered intravenously to enhance the visibility of blood vessels on MRI) that can enhance the visibility of head/neck veins and enable the measurement of blood flow through brain tissue. Ten healthy subjects underwent these components of the team’s CCSVI protocol twice, on separate days. Progress made in these studies includes:
• The team’s novel approach to measuring venous flow with MRI is able to detect clear differences in venous flow between inspiration and expiration, and demonstrates evidence of expiration-related reflux (backwards flow) in the jugular veins of healthy subjects.
• The team’s system of rating the degree of venous narrowing on MR images of the azygous and jugular veins yields comparable results when performed by different individuals.
• Their novel MRI method for measuring iron content in brain tissue provides reproducible results that are comparable to previously described methods of iron measurement, with fewer technical pitfalls.
• A single dose of a relatively new MRI contrast agent is sufficient to enhance the visibility of head/neck veins and generate reproducible maps of blood flow through the brain. (It would normally require two separate doses of a conventional contrast agent to accomplish both of these objectives.)
These investigations have yielded two abstracts presented or to be presented at national/international imaging meetings:
“Comprehensive assessment of cerebral venous return with MRA: preliminary results.” Wieben O, Johnson K, Schrauben E, Reeder S, Field A. 23rd annual meeting of the “MRA Club” (International Magnetic Resonance Angiography Workshop), Calgary, Alberta, Canada, September 25-28, 2011.
“The importance of the sonographer in the investigation of chronic cerebrospinal venous insufficiency.” Kohn S, Kliewer K, Field AS. American Institute of Ultrasound in Medicine (AIUM) Annual Convention, Phoenix, AZ, March 29-April 1, 2012.
In addition, three abstracts have been submitted for consideration for the American Society of Neuroradiology (ASNR) 50th Annual Meeting, New York, NY, April 21-26, 2012, and two have been submitted for the International Society of Magnetic Resonance in Medicine (ISMRM) 20th Annual Meeting & Exhibition, Melbourne, Victoria, Australia, May 5-11, 2012.
• Dr. Robert Fox, Cleveland Clinic Foundation, Cleveland
Dr. Fox’s team continues to use MR venography, ultrasound, MRI and clinical measures in people with MS or who are at risk for MS (CIS) and comparison groups to evaluate vein drainage. The ultrasound team, which underwent training in the technique originally used by Dr. Zamboni, found several aspects of the published methodology ambiguous, and they have standardized the protocol and analysis to achieve consistent results.
Early on they identified physiological and technical factors that can complicate screening for vein blockages using ultrasound, including that heartbeat irregularities, stages of breathing, head position and pressure applied by the operator could alter results; and that the state of hydration of the subject (whether they drank adequate amounts of fluids) might impact results of several of the criteria used to determine CCSVI.
The team reported at the international ECTRIMS/ACTRIMS congress in October 2011 preliminary results of ultrasound assessments. Pooling the results of the ongoing, blinded study of CCSVI in MS and non-MS controls, they reported results from the first 20 subjects, finding that 6 (30%) met criteria for CCSVI, four subjects met no criteria, and none met criteria for reverted postural control of cerebral venous outflow. Nine subjects (45%) had a flap and/or septum/abnormal valve. Identifi¬cation of deep cerebral vein reflux depended upon the ultrasound technique. They noted that this finding highlights the importance of ultrasound methodology in performing and interpreting deep cerebral vein assessments. (P1104 – “Ultrasound assessment of chronic cerebrospinal venous insufficiency.” R. Fox, L. Baus, C. Diaconu, A. Grattan, I. Katzan, S. Kim, M. Lu, L. Raber, A. Rae-Grant)
At the same ECTRIMS/ACTRIMS meeting, the team shared preliminary results from an ongoing study of vein structure in autopsy specimens from seven people who had MS in their lifetimes, compared to six people who did not have MS. In this unblinded study, they identified abnormalities inside the vein tubes (lumen) that drain the brain and found a variety of structural abnormalities and anatomic variations in both groups. However, they reported higher frequency of abnormalities in those who had MS (2 abnormalities in 2 out of 6 controls versus 9 abnormalities in 6 out of 7 MS patients). They noted that MR venography may be less effective than ultrasound for identifying these venous abnormalities, and that ultrasound that examines only vein wall circumference may miss some intraluminal abnormalities. (Abstract 134 – “Anatomical and histological analysis of venous structures associated with chronic cerebro-spinal venous insufficiency.” C. Diaconu, S. Staugaitis, J. McBride, C. Schwanger, A. Rae-Grant, R. Fox)
• Dr. Carlos Torres, The Ottawa Hospital, University of Ottawa, Ontario
The team began phase 1 of their project which consists of imaging with MRI the veins of the head and neck of 100 people without MS. MR venography is also being performed to obtain normative data that will allow the team to better understand the normal anatomy and variants of the veins before they begin to examine the veins of the subjects and controls.
So far, they have performed this additional sequence in 85 people and expect to complete the target of 100 within the next 2 weeks. Further, they have gathered MRI studies of 30 people with a specific sequence that allows them to measure the amount of iron in the brain. The iron deposits are being quantified by an MR Physicist.
In order to perform the ultrasound studies of the veins in the head and neck the same way they were done as described by Dr. Zamboni, the team received training in Vancouver from an experienced group who received training in Italy. Two sonographers and a radiologist traveled to Vancouver and received appropriate training on the technique in mid-May.
In early September, the team reported that they successfully started phase 2 of the study recruiting subjects and controls through the Ottawa Hospital MS Research Unit. Since then, they have recruited a total of 30 people with MS (with relapsing-remitting, primary-progressive or secondary-progressive MS) and 30 controls (60 total), who have undergone both a contrast enhanced MRI and an ultrasound of the veins of the head and neck. The team is currently scanning approximately 4 people with MS and 4 controls per week. They expect to complete recruitment and begin analysis of the data by mid February 2012.
• Dr. Anthony Traboulsee, UBC Hospital MS Clinic, UBC Faculty of Medicine and Dr. Katherine Knox, Saskatoon MS Clinic, University of Saskatchewan
This team is conducting their study at two centers (UBC Hospital, Vancouver, BC and Saskatoon City Hospital, Saskatoon, Sask.) and the goal is to recruit up to 200 subjects. Imaging protocols have been both developed and tested and the group is very satisfied with the quality of their results. Their ultrasound technologists were trained by Dr. Zamboni to perform the ultrasound testing in a similar way. There is no previous standardized venography protocol for looking at neck veins.
Recruitment is now closed at the University of British Columbia site, and will be closing soon at the Saskatoon site. All investigations are expected to be completed in March 2012. The team plans to do the preliminary analysis by April 2012. Analysis will occur in stages, starting with the catheter venography and ultrasound data, then the MR venography results will be reviewed.
The team reported that the level of interest and response rate remained high throughout recruitment. The UBC site recruited 110. At the Saskatoon site, 70 subjects have been recruited and are at various stages of the protocol. All investigators remain blinded to the status of the subjects and do not have any preliminary results to report at this time.
• Dr. Jerry Wolinsky, University of Texas Health Science Center at Houston
The team reports that they have recruited about 82% of the expected study cohort. The cumulative number of volunteers recruited from study inception includes: 10 Healthy Volunteers; 34 Other Neurological Diseases; 22 Stroke/TIA; 12 CIS; 112 relapsing-remitting MS; 44 secondary-progressive MS; 1 progressive-relapsing MS; 15 primary-progressive MS. Of people with MS or CIS, 45 have undergone MR venography with advance MRI. In addition, to date 10 people with MS have consented to transluminal venography, 2 are scheduled for study and 4 have completed the procedure without complications. No therapeutic interventions are considered in these investigations.
Dr. Wolinsky and the team’s MR vascular expert, Dr. Larry Kramer, are members of the MS Scientific Expert Working Group established by the Canadian Institutes of Health Research (CIHR), in collaboration with the Multiple Sclerosis (MS) Society of Canada, and additional team members have participated in the meetings and provided advice to the CIHR as requested.
A summary of the team’s preliminary work was presented as a poster at the international ECTRIMS/ACTRIMS congress in October 2011. They used Doppler technology to evaluate venous drainage in a blinded fashion. They reported that of all participants, 48/162 fulfilled at least one of five criteria for anomalous venous outflow proposed by Dr. Zamboni; 10/48 fulfilled two criteria consistent with CCSVI; none fulfilled more than 2 criteria. There was no significant difference between people with MS and non-MS, or within MS subgroups. They also found no significant differences between MS and non-MS subjects for measures of cross-sectional areas of the internal jugular veins or for venous flow rates. The team concluded that thus far they find less CCSVI than previously reported by other groups. They are now focusing on whether ultrasound can be complemented or supplanted by MRV and/or transluminal venography. (P1108 -- “Prospective, case‐control study of CCSVI with imaging‐blinded assessment: progress report focused on neurosonography.” Barreto AD, Brod SA, Bui T, Jamelka J, Kramer LA, Ton K, Cohen AM, Lindsey JW, Nelson F, Narayana PA, Wolinsky JS (2011).
In addition, two abstracts have been submitted for consideration for the 64th Annual Meeting of the American Academy of Neurology to be held in late April 2012.
Going Forward
These seven teams were chosen by an international panel of experts that included specialists drawn from all key relevant disciplines including radiology, vascular surgery and neurology. The projects were selected for having the greatest potential to quickly and comprehensively determine the significance of CCSVI in the MS disease process.

At this 18-month milepost, the investigators are making significant progress on their overall two-year study goals. Some of the teams are presenting preliminary results at medical meetings, and all have shared technical advice so that the projects can move forward as smoothly and quickly as possible. Their results will help guide the development of an early-phase clinical trial to test whether treating vein blockages may be safe and effective in treating people with MS. The trial should launch in late spring 2012 with funding from the MS Society of Canada and the Canadian Institutes of Health Research (CIHR).
The next update on the work of the seven grantees will be reported in six months.

Thursday, January 19, 2012

Blog Anniversary!

Today is my blog's one year anniversary!  It has been a great ride so far and I hope to continue giving updates and reporting on the ongoing research.  Things are going well for me right now - I have been in remission for about a year now (with a few slight flare ups here and there).  I am very pleased with my condition at this point and hope that I can continue feeling this well.

I have signed up for Walk MS which will occur in March - click here to visit my personal page.  I hope to surpass my fundraising goal from last year - I hope that I make it (I am fearful that my goal is too lofty). My local MS Society chapter has already had two events this year and both have been really great!  I am excited about what this year will bring!

And now, MORE news on Vitamin D from the NMSS website:

Researchers and clinicians from around the globe gathered recently in Chicago to develop strategies for testing whether vitamin D supplements can prevent the development of MS. Participants discussed the latest findings relevant to vitamin D and MS and potential clinical trial designs, taking the first steps to making these exciting studies a reality. “Vitamin D and MS Prevention: An International Workshop,” was chaired by Colleen E. Hayes, PhD (University of Wisconsin-Madison) and Anne-Louise Ponsonby, PhD (Murdoch Children’s Research Institute, Canberra Australia), and was funded by the National MS Society.
Background: Research is increasingly pointing to a reduced level of vitamin D in the blood as a risk factor for developing MS. Years ago, MS researchers wondered why MS occurs less often in regions of the world where exposure to sunlight is high. Dr. Hayes – a professor of biochemistry and microbiology – and colleagues suggested that vitamin D, which is made by cells in the skin in response to sunlight, may suppress the immune response involved in MS. She and others have since shown that in lab mice, vitamin D can reduce the effects of EAE, an MS-like disease.
Epidemiologic studies (studies of who gets MS) have backed up laboratory studies. Dr. Ponsonby – an epidemiologist and public health physician – was a co-author of the Ausimmune Study, a comprehensive Australian study that showed that higher levels of sun exposure and higher blood levels of vitamin D were both associated with decreased risk of having a first demyelinating event, often the first indicator of subsequent MS.
The National MS Society has led the way in pursuing this avenue of MS research, funding much of Dr. Hayes’ work, first funding the Ausimmune study, and now, a new clinical trial testing whether vitamin D can reduce disease activity in people who have MS. Read more on clinicaltrials.gov.
The Meeting: Participants included experts in vitamin D studies, immunology, statistics, epidemiology, clinical MS research, pediatric MS, and MS biomarkers. The group began by bringing its vast experience to bear in discussing the promise and potential pitfalls of conducting “primary prevention studies” using vitamin D to potentially prevent MS before it occurs.
“We are people from all over the world and we have one common purpose – to stop this disease,” noted Dr. Hayes. “The research that has been done by the people in this room and others provides us with strong evidence that vitamin D may help.”
Alberto Ascherio, MD, DrPH (Harvard School of Public Health) and colleagues have published pivotal studies relating to several MS risk factors. His 2006 study  – supported by the Society – compared levels of vitamin D in blood serum stored from military personnel during their service, and found that those with higher levels of vitamin D were at lower risk for later developing multiple sclerosis. Dr. Ascherio noted a major concern about designing vitamin D studies, based on his research. “Compliance is likely to be a major obstacle,” he said. “You have to worry about people in the placebo group that might take vitamin D anyway, and make the study powerful enough to account for that.”
George Ebers, MD, FRCP(C) (University of Oxford) reported on findings “hot off the press” – his team recently confirmed an association between MS and a gene linked to vitamin D. Dr. Ebers cautioned that before beginning a study, “You absolutely need to know what the rate of MS is in your country,” noting that the reported rates of MS is increasing in some areas.
Dr. Hayes reviewed basic research that could have a strong impact on planned studies. For example, female mice treated with vitamin D are protected from MS-like disease, but not male mice. “Normal estrogen may be essential for vitamin D benefits,” she said. Also, her research points to the immune messenger protein interleukin-10 as being essential for vitamin D protection from MS-like disease in mice. “Anything that destroys that pathway may undermine a treatment trial,” said Dr. Hayes.
Jorge Correale, MD (Raul Carrea Institute for Neurological Research Argentina) discussed his research on the immune response and vitamin D. “Vitamin D is particularly reduced during relapses in people with MS,” he said, noting that administering vitamin D to cells isolated from people with MS resulted in modulation of immune “T cells” which have been previously implicated in MS activity. He noted that cells that reduce inflammation are activated by vitamin D and those that promote inflammation are suppressed.
Reinhold Vieth, PhD, FCACB (University of Toronto) has been studying vitamin D for decades. His team’s findings show that this vitamin is associated with decreased PSA (a marker for prostate cancer), and a decreased risk of breast cancer. His experience provided numerous important considerations for conducting vitamin D prevention trials in MS. “Vitamin D binding protein [a protein that helps to transport the vitamin within the body] acts as a safety buffer to prevent toxicity,” he said. “It protects the body from having too much vitamin D.” Dr. Vieth works with the team that found vitamin D supplements to be safe in small, early study of people with MS.
Co-chair Dr. Ponsonby encouraged participants with her review of similar efforts undertaken to combat other diseases such as folate supplementation to mothers in pregnancy to prevent spina bifida. “I remember being at a primary prevention meeting in the early 1990’s ,like this one, to talk about sudden infant death syndrome prevention, which was taking one in 250 children in Tasmania at that time,” she said. “I thought, ‘How are we going to get this done?’ Five years later, it felt so good to be at another meeting, talking about how, after changes in health recommendation, the rate of SIDS had decreased by up to 70% in several countries.”
Future Steps: After reviewing data and hearing from statisticians and clinicians about the feasibility and expense of primary prevention studies, participants agreed to look at three study designs. The next steps are to submit a report based on the summit to a peer reviewed journal, and to begin the process of designing and seeking funding for the proposed prevention trials.
Timothy Coetzee, PhD, chief research officer of the National MS Society, complimented Drs. Hayes, Ponsonby, and colleagues on the “audaciousness” of their efforts. “Can we end MS by something as simple as vitamin D supplementation? This goal is as big as they come, but it fits right into the Society’s bold commitment to do everything possible to free the world of MS.”
 Always amazed at all of the Vitamin D correlations and continued research.  Guess I will continue taking Vitamin D supplements!

Sunday, January 8, 2012

Update

So far, I am doing well with my resolution.  My husband and I have gone to the gym three times per week since signing up at the Y.  Plus, I have done at least 30 minutes of cardio each time! 

In other news, my local NMSS chapter is having a kick-off event for Walk MS season on Tuesday and I have been asked to speak - to tell my story and why I walk.  I have an outline made (not sure I really need it - my story is one that is imbedded in my brain).  I am very excited and honored to speak this year!

Now, in MS news; the following comes from the most recent MSF emailer:

Advanced Technology Makes MS Easier to Track
Using a powerful, triple strength MRI to track increasing levels of iron found in brain tissue, medical researchers at the University of Alberta in Canada have discovered a new way to follow the progression of MS in those living with the disease.
Among their observations: Iron levels in people with MS are increasing in grey matter areas of the brain that are responsible for relaying messages. Also, high iron levels in a specific "relay area" were noted in those who had physical disabilities associated with MS.
Iron is very important for normal function of the brain and the amount of iron is a tightly controlled system by the brain tissue. The discovery suggests there is a problem with the control system. Too much iron can be toxic to brain cells and high levels of iron in the brain have been associated with various neurodegenerative diseases. But to date, no tests have been able to quantify or measure iron in living brain.
Twenty-two people with MS took part in the study, along with 22 people who did not have the condition.
Using this new MRI method would give physicians a new way to measure the effectiveness of new treatments for people with MS by watching the impact on iron levels. This opens up the idea of having a new biomarker, a new way of looking at the disease over time, watching the disease, seeing the progression or lack of progression of the disease, and a new way to track it, the researchers said.
The new MRI method, which uses a machine that is 90,000 times the strength of the earth's magnetic field, will give physicians more detail and information about the impact of MS on the brain, insight that doctors and researchers didn't have before.

Stimulating Natural Interferon-B Production May Combat MS
Some people with MS have successfully slowed progression of the disease using an FDA-approved interferon-b (INFb) medication. Now researchers in Germany are investigating the use of ribonucleic acid (RNA) to stimulate the body’s own production of the IFNb protein, thereby switching off the MS attack.
RNA is one of the three major macromolecules (along with DNA and proteins) that are essential for all known forms of life.
Marco Prinz at the University of Freiburg, Germany, and colleagues took mice genetically modified to present symptoms of MS and injected them with RNA. The mice showed "rapid improvement" with a decrease in tail weakness and paralysis over the following 48 hours. Increased IFNb appeared to slow the development of T-cells - immune cells that may play a key role in MS, the researchers reported.
Around 80 percent of people with MS treated with injections of IFNb develop antibodies that reduce the efficacy of the protein. Getting the body to generate its own IFNb neatly dodges the antibody problem, according to the researchers.
All for now.  Hope all is well!

Sunday, January 1, 2012

Happy New Year!

Happy New Year Everyone!  I hope 2012 brings great things!  Hopefully, 2012 will bring the MS community more exciting research, new therapies for ALL types of MS, and leaps closer to a cure.  

In the new year, I resolve to be more active.  My husband and I signed up for a membership with the YMCA.  We had a membership before, but during the time when I was experiencing my first symptoms but before my diagnosis, it became difficult to workout because of the numbness and tingling.  We ended that membership during the fall of 2010, around the time I was diagnosed.  Since then, our "workouts" have mostly consisted of walks around the neighborhood.  Since I have been feeling well for the past year (with a few minor flare-ups in the interim), we decided it was time to get back on the proverbial horse.  I bought a "fitness" swimsuit and plan to do pool workouts to try to avoid heat-induced flare-ups.  Since we signed up a week ago, we have already gone to the Y three times.  I have not started the pool work yet, but plan to this week.  Our NMSS local chapter has a wellness theme this year and in keeping with that, my goal is to get/stay fit and healthy. 

What is your resolution?

In news, researchers have confirmed a link between MS and a gene linked to vitamin D deficiency.  To read more, click here.  I knew that I was smart to be taking vitamin D supplements.  I had my levels checked and was low - I definitely believe that there is a critical link between vitamin D and MS - this research seems to confirm that!

Sunday, December 25, 2011

Merry Christmas!

I hope everyone has a very Merry Christmas!  Remember that this is a time to be with family and friends.  Also, while it is easy to get caught up in what we receive, the spirit of the season is giving.  Merry Christmas to all!

Thursday, December 15, 2011

Sadness, Bacteria, and Spices

The past few days have been a struggle, but not because of MS.  On Friday, I learned that my grandmother had been taken to the hospital after suffering a heart attack and two brain bleeds.  My husband and I met my mom, dad, and aunt at the hospital and later learned that there was nothing that the doctors could do; they estimated that she would pass within 24 hours.  It was very difficult hearing that news.  My grandmother was a strong woman who always fought through everything and I was initially optimistic that she would fight through this as well; however, it turned out that it was her time.  We said our goodbyes and she passed away Saturday morning.  The weekend was a rough one with many tears and much sadness in my heart.  The funeral was scheduled for Wednesday with a viewing on Tuesday.  I went to work Monday in an attempt to keep my mind off of her death for one day before I took bereavement leave.  However, over my lunch hour, I found her obituary online.  At the end of the obituary, it stated that memorials could be made to her church or the National MS Society.  When I saw that last part, I assumed that the MS Society memorial was an idea of my mom's or something and thought it was a little much.  I inquired of my mom and learned that it was my grandmother's doing; apparently, this past summer, my grandmother had told her pastor that she wanted memorials to go to the MS Society.  When I learned that, I lost it at work; I couldn't believe that my having MS had affected her so much that she would make that request.  My grandmother was one incredibly amazing woman and nothing was more amazing than the immense love that she had for her family.  She will be missed very much, but she will forever be a part of me and she will live on in my heart; for that I am grateful.  I take comfort in knowing that she is in heaven and has been reunited with my grandfather and all those loved ones who went before her.  I think she was ready and I know she led a full life.  Her funeral, while sad, was truly a celebration of her life.  Tuesday and Wednesday was spent among family and it was nice to get together in remembrance.    

Enough of the sadness and onto the MS news . . . . From an MSF mailer:
Friendly Gut Bacteria May Play Role in Triggering MS

Researchers in Germany say they have found evidence that MS is triggered by natural intestinal flora, the so-called friendly bacteria that reside in the gut. Their study involved genetically engineered mice with normal gut bacteria that developed brain inflammation similar to MS in humans. Researchers at the Max Planck Institute of Neurobiology in Martinsried in Munich, Germany published the results of their study in the journal Nature.
The human gut is home to some 100 billion bacteria from 2,000 different species, comprising 10 to 100 times more genes than in our entire genome. These microorganisms not only help us digest food, they are also essential for gut development. And they also play a role in promoting autoimmune disease, say the Max Planck researchers.
In the study, the genetically modified mice were allowed to continue with their normal gut bacteria intact. The intestinal flora were removed in the other mice and they were kept under sterile conditions. The mice that kept their gut bacteria developed MS-like symptoms.
According to the researchers, the bacteria first activated the immune T-cells, then the B-cells, which resulted in an attack on the myelin layer in the brain. The same could happen in humans with a corresponding genetic predisposition, they say.
In their background information, the Max Planck researchers refer to previous research that shows active MS lesions have "inflammatory changes suggestive of a combined attack by autoreactive T and B lymphocytes against brain white matter." (Lymphocytes are the white blood cells of the immune system).
They explain that T and B cells are normally innocuous members of a healthy immune system, but it appears something triggers them to become "autoaggressive"; the cause is commonly assumed to be environmental, with infection being the most common reason given.
One implication of this study is that nutrition may play a key role in the development of MS, since diet largely determines the types of bacteria that colonize the gut. The team now wants to investigate the complete microbial genomes of people with MS and compare them to people without MS.

Neuroprotective Qualities of Indian Spice Studied 

A compound found in saffron, a commonly used Indian spice, is being studied for its potential to help protect brain cells from being damaged in neurological disorders such as MS. Researchers at the University of Alberta in Canada who studied the ingredient, crocin, in lab models and cell cultures found that it appears to prevent damage to cells that make myelin in the brain.
The researchers detailed their study in The Journal of Immunology, noting that they are not yet close to a clinical trial stage. The team discovered that inflammation and a specific type of cell stress are closely linked and lead to inflammation and neurodegeneration, which cause cells to lose their protective coating – a process known as demyelination.
In experiments, they found the use of crocin suppressed both inflammation and this specific type of cell stress, resulting in decreased neurological impairment in lab models and cell cultures with MS.
"There are still many questions to be answered about how crocin exerts these neuroprotective effects, but this research highlights a potential treatment role for crocin in diseases involving chronic neuroinflammation – something that had not been recognized until now," the researchers stated.
Staying optimistic and intrigued by the constant research!  Thanks for reading!

Tuesday, November 29, 2011

Long Time, No Post

Sorry for the recent delay in posting.  I hope everyone had a Happy Thanksgiving!  My whole family got together which was great!  I have kept very busy lately, so I haven't had many chances to get on here to post.  Also, our computer got a virus, so we had to fix that before I could post.

And now, some news from the NMSS website:
The company Opexa Therapeutics (The Woodlands, TX) announced that the experimental therapy Tovaxin® has been designated by the U.S. Food and Drug Administration as a “Fast Track Product” for the treatment of secondary-progressive MS. Tovaxin is a personalized vaccine that aims to induce immunity against T cells that attack the brain and spinal cord in MS. It uses a person’s own immune cells, which are removed, manipulated, and then reintroduced by under the skin injections. The Fast Track designation may expedite its future review by the FDA after the company submits results of future phase III trials. The company is planning to begin a Phase IIb clinical trial of Tovaxin in secondary-progressive MS “subject to securing the necessary resources,” according to a November 8, 2011 press release.
Results so far: A one-year, multi-center trial of Tovaxin was conducted in 140 people with relapsing-remitting MS and 10 people who had experienced a neurological episode that put them at possible risk for being diagnosed with MS. The TERMS study found Tovaxin to be safe, but did not achieve statistical significance in the primary endpoint evaluating the cumulative number of active MRI lesions in those on active therapy versus those on placebo (Multiple Sclerosis, published online November 6). Analyzing a subset of participants after the study, investigators found that Tovaxin stabilized or reduced disability as measured by the EDSS scale, and the average number of relapses in a year.
Tovaxin is a trademark of Opexa Pharmaceutics.
This is VERY exciting because its focus is secondary-progressive MS rather than relapsing-remitting, which is what most therapies treat. Another article off of the NMSS website:

Genzyme has announced that the experimental intravenous therapy alemtuzumab (with a proposed brand name Lemtrada™) met two primary endpoints by significantly reducing relapse rates and the worsening of disability in a two-year study comparing alemtuzumab to standard subcutaneous dosing of Rebif® (interferon beta-1a, EMD Serono Inc. and Pfizer). The study, called CARE-MS II, involved 840 people with relapsing-remitting MS. The results were announced in a November 14, 2011 press release, which also indicated that the company plans to apply in early 2012 to the U.S. Food and Drug Administration for marketing approval. Data analysis is ongoing and the company expects to provide a full report at an upcoming medical meeting. Alemtuzumab has been designated by the FDA as a “Fast Track Product,” which should expedite its future review.
Background: MS involves immune system attacks against brain and spinal cord tissues. Alemtuzumab is a humanized monoclonal antibody directed at CD52 (a protein on the surface of immune cells) that is currently approved for the treatment of B-cell chronic lymphocytic leukemia. Its ability to target immune cells led investigators to test its potential as a treatment for relapsing-remitting MS. In an earlier phase II study comparing two dose levels of alemtuzumab with Rebif in 334 subjects with relapsing-remitting MS, those taking alemtuzumab had a 74% reduction in the risk of MS relapse compared with those on Rebif, and a 71% reduction in the risk for sustained worsening of disability (New England Journal of Medicine 2008 359;17:30-45).
Dosing was temporarily suspended in the Phase II study due to the occurrence of immune thrombocytopenic purpura (ITP), a rare condition in which low blood platelet counts can lead to abnormal bleeding. After the first cases of ITP occurred, one of which was fatal, Genzyme implemented a patient safety monitoring program which includes patient and physician education and regular contacts with patients.
Investigators recently reported on another phase III trial of alemtuzumab. The two-year CARE-MS-I phase III trial compared alemtuzumab against Rebif in 581 people with early relapsing-remitting MS. The study met one of two primary endpoints by reducing relapse rates by 55% over Rebif, but did not meet its second primary endpoint of slowing disease progression compared to Rebif. (Abstract #151, ECTRIMS 2011)
This Study: In the CARE-MS II study, 840 people with relapsing-remitting MS, who had experienced relapse while on a prior therapy, were randomly assigned to receive alemtuzumab or Rebif. Alemtuzumab was given by intravenous infusion for 5 days initially and for 3 days one year later. Those on Rebif received the standard dose of 3-times weekly subcutaneous injections. According to the company press release, after two years the relapse rate of those on alemtuzumab was reduced by 49% compared to those on Rebif, and the risk of sustained worsening of disability (as measured by the EDSS scale) was reduced by 42% compared to Rebif. (These were the primary endpoints of the study.)
According to the press release, approximately 16% of those treated with alemtuzumab developed autoimmune thyroid-related problems and approximately 1% developed ITP. All cases were detected early through a monitoring program and managed with conventional therapies. Other common adverse events associated with alemtuzumab included reactions associated with infusions (such as headache, rash, fever, flushing, hives and chills). The most common infections in those treated with alemtuzumab (all mild to moderate) were upper respiratory and urinary tract infections, sinusitis and herpes simplex infections.
Comment: The completion of this second Phase III trial of alemtuzumab is a milestone that paves the way for the company to apply to the FDA for marketing approval. Full details and evaluation of this study should help define the safety and promise of alemtuzumab as a potential new therapy for relapsing MS.
Love the ongoing research; I remain optimistic that a cure will come in my lifetime!  So many advances have been made in just the past decade alone!

Friday, November 11, 2011

Happy Veteran's Day + BG-12 Update

First, I want to thank the veterans for their service and dedication to our country, our safety, and our freedom!  
With that said, I attended an MS dinner/presentation last night about Stress and MS.  I cannot say that I really learned anything new, but it was a good reminder to keep stressors in check and to be sure to have a good coping system.  Life is stressful, MS adds extra stress, and we need to be able to have coping mechanisms in place to minimize the affects of stress.

Now for the BG-12 update (from the NMSS website):
Biogen Idec announced that the experimental oral therapy BG-12 significantly reduced the average number of annual MS relapses in a two-year, Phase III clinical trial of more than 1400 people with relapsing-remitting MS. Although its exact mode of action is not known, BG-12 is thought to inhibit immune cells and molecules involved in MS attacks on the brain and spinal cord. The results of the CONFIRM study were announced in an October 26 press release. Data analysis is ongoing and the company expects to provide a full report at an upcoming medical meeting. Positive results from another Phase 3 trial of BG-12 were also announced this year, paving the way for a potential application for marketing approval.
Background: Multiple sclerosis involves immune system attacks against brain and spinal cord tissues. Although its exact mechanism of action is not known, BG-12, an oral drug, is thought to inhibit immune cells and molecules and may be protective against damage to the brain and spinal cord. In an earlier phase II study, compared to inactive placebo, the highest tested BG-12 dose led to a 69% reduction in gadolinium-enhanced (a contrast agent) disease activity on MRI scans from weeks 12 to 24. Earlier in 2011, Biogen Idec announced positive results in another phase III study, the DEFINE trial. Further details on these results were presented at the joint meeting of the European and Americas Committee for Treatment and Research in MS (ECTRIMS/ACTRIMS) last week.
This Study: The primary goal of the CONFIRM study was to determine whether BG-12 could reduce the average annual MS relapse rate at two years. Secondary objectives included assessing BG-12’s effects on the proportion of people who had relapses, disability progression, and disease activity detected by MRI. Safety and tolerability were also assessed.
Participants were randomly assigned to one of two treatment groups receiving different oral doses (240 mg twice each day and 240 mg three times each day), a group receiving glatiramer acetate (Copaxone®, Teva Pharmaceutical Industries, an approved, injected therapy for MS) or a group receiving placebo. Both BG-12 groups and Copaxone were compared to the placebo groups, but not to each other.
According to the press release, in both groups taking BG-12, the primary endpoint was met; the average number of MS relapses in a year was reduced by 44% versus placebo in the lower-dose group, 51% in the higher-dose group, and 29% in the Copaxone group. Disease activity on MRI and the proportion of patients experiencing relapses also were reduced significantly more in the BG-12 groups versus placebo. Disability progression was not reduced significantly more in the BG-12 groups than in the placebo group. According to the press release, the most common adverse events in the BG-12 groups were flushing and gastrointestinal events.
Comment: Full details and evaluation of this study should help to define further the safety and promise of BG-12 as a potential therapy for relapsing MS. According to the company press release, these positive results set the stage for upcoming filings for marketing approval from drug regulatory agencies.

It is so exciting to learn that another oral therapy is doing well!  Hopefully soon, injections will be a thing of the past for all of us.  In the meantime, stick with what works.

Tuesday, November 1, 2011

New News from MSF

In this post: How cool would it be if MS could be diagnosed just by exhaling, BG-12 is showing progress, and odd hours may be a increase the risk of MS in teens, and should we be discussing walking problems with our doctors more?

The following is from my most recent email from the Multiple Sclerosis Foundation.
Diagnosing MS from Exhaled Breath
Scientists are reporting the development and successful tests in humans of a sensor array that can diagnose MS from exhaled breath, an advance that they describe as a landmark in the long search for a fast, inexpensive, and noninvasive test for MS. Their report appears in the journal ACS Chemical Neuroscience.
Hossam Haick and colleagues report have identified volatile organic compounds that can be associated with MS from exhaled breath. Based on these findings, the researchers developed a new sensor array that can diagnose MS by analyzing the determined chemical compounds that appear in the breath of people with MS. Using the developed sensors, the researchers carried out a proof-of-concept clinical study on 34 people with MS and 17 healthy volunteers and found that the developed sensors are just as accurate as a spinal tap but without the pain or the risk of side effects. 
"The results presented here open new frontiers in the development of fast, noninvasive, and inexpensive medical diagnosis tools for detection of chronic neurological diseases," the scientists stated. "The results could serve as a launching pad for the discrimination between different subphases of stages of multiple sclerosis as well as for the identification of multiple sclerosis patients who would respond well to immunotherapy." 
A large clinical study with the sensors is underway and will be reported in the future. Haick is a Professor in the Department of Chemical Engineering and the Russell Berrie Nanotechnology Institute at the Technion – Israel Institute of Technology. 

BG-12 Moves Forward with Positive Data from Late-Stage Trials
Positive top-line results have been reported from CONFIRM, the second of two pivotal phase III clinical trials designed to evaluate the investigational oral compound BG-12 (dimethyl fumarate) in people with relapsing-remitting multiple sclerosis (RRMS). Results showed that 240 mg of BG-12, administered twice a day (BID) or three times a day (TID), demonstrated significant efficacy and favorable safety and tolerability profiles. Further analyses of the CONFIRM study are ongoing, and Biogen Idec, the company developing BG-12, anticipates presenting detailed data at a future medical meeting.
BG-12 met the CONFIRM study's primary endpoint by significantly reducing annualized relapse rate (ARR) by 44 percent for BID and by 51 percent for TID versus placebo at two years. The CONFIRM study's reference comparator, glatiramer acetate (GA; 20 mg subcutaneous daily injection), reduced the ARR by 29 percent compared with placebo at two years. 
Initial results showed that BG-12 reduced 12-week confirmed disability progression as measured by the Expanded Disability Status Scale (EDSS) by 21 percent for BID and 24 percent for TID at two years compared to placebo, and GA reduced confirmed disability progression by 7 percent. 
"We now have strong positive results for BG-12 in two robust pivotal clinical trials with more than 2,600 patients," said Doug Williams, Ph.D., Biogen Idec's Executive Vice President of Research and Development. "We are gratified by these strong efficacy and safety results, which, when combined with BG-12's oral route of administration, position it as a potentially important MS therapy. We are working aggressively to prepare our regulatory submissions with the goal of making BG-12 available to MS patients as quickly as possible." 
In CONFIRM, both dose regimens of BG-12 showed favorable safety and tolerability profiles, which were similar to those seen in the previous late-stage study known as DEFINE. Overall, the incidence of adverse events (AEs), serious adverse events (SAEs) including serious infections, and discontinuations due to AEs were similar across all study groups, including placebo. The incidence of hepatic and renal events was also comparable among all study groups. The most common AEs in the BG-12 groups were flushing and GI events. There were no malignancies in the BG-12 groups. 
Biogen Idec presented data from DEFINE, at the 5th Joint Triennial Congress of the European and Americas Committees on Treatment and Research in Multiple Sclerosis (ECTRIMS and ACTRIMS) in October 2011.
 
Working Overnight or Odd Shifts May Increase MS Risk in Teens
Working overnight or odd shifts may increase teenagers' risk of developing MS, according to the results of an observational study. 
Researchers from Sweden who uncovered the link said interruption of circadian rhythms and disruption of normal sleep patterns may be partially responsible for the added risk.
In conducting the study, published in the Oct. 18th issue of Annals of Neurology, researchers examined two population-based studies of Swedish residents aged 16 to 70 (one with incident cases and one with prevalent cases) to compare the number of cases of MS among those who did and did not work overnight or shift hours on a regular or alternating basis during their teens.
Among the incident cases, the investigators found those who worked overnight hours for three years or more before the age of 20 were twice as likely to develop multiple sclerosis as those who never worked night shifts. Among the prevalent cases, they noted, the teens who worked overnight hours were slightly more than twice as likely to develop the disorder.
"Our analysis revealed a significant association between working shift at a young age and occurrence of MS," Dr. Anna Karin Hedstrom, of the Karolinska Institute in Stockholm, said in a journal news release. "Given the association was observed in two independent studies strongly supports a true relationship between shift work and disease risk." 
The researchers explained the sleep restriction associated with working the night shift has already been shown to increase the risk for certain health problems, including heart disease, thyroid disorders and cancer, likely by interfering with melatonin secretion and increasing inflammatory responses. 
The authors pointed out that since MS is a central nervous system autoimmune inflammatory disorder that is linked to a person's environment, other lifestyle risk factors, such as sleep loss due to shift work, should also be considered.
The study authors noted that more research is needed to explain why the disruption of circadian rhythm and sleep loss increase teenagers' risk for developing MS.
 
MS Walking Problems Rarely Discussed
Most people with MS who have difficulty walking say it is the most challenging part of the debilitating disease, U.S. researchers say. However, a survey by Harris Interactive indicated 40 percent of people with MS rarely or never discuss walking problems with their doctor. 
The recent survey of more than 1,200 adults living with MS indicated 65 percent reported having trouble walking, the inability to walk, or difficulty maintaining balance at least twice per week. Seventy percent of those with walking issues say that's the toughest symptom to deal with.
In addition, a majority of people living with MS reported they experienced walking problems within the first few years after diagnosis, while among people diagnosed with MS within the past five years, 58 percent reported experiencing a mobility issue at least twice a week.
On average, people with MS ages 41 or younger who do discuss trouble walking with their doctor initiate the conversation only 46 percent of the time. An estimated 78 percent of these women and 62 percent of these men report that trouble walking makes getting around dangerous, the survey indicated.
In light of the increasing menu of therapeutic options, assistive technology, and medication to aid walking problems, conversations with your doctor may lead to solutions.
 
As always, the ongoing studies and research is much appreciated!  Being able to diagnose MS with just a breath is incredible!  Disruption of normal sleep habits increasing the risk of MS makes me reevaluate my sleeping habits and makes me think back to my teenage sleep patterns (probably not the best, but what teenager truly has good sleeping habits?).  I am always happy to hear that clinical trials are going well for up and coming therapies!  Go BG-12!  
Thanks for reading!  Hope everyone is well!