Archive for the ‘Vit D3 and MS-Neurology 2010’ Category

Vit D3 and MS-Neurology 2010

August 9, 2013

Posted by:  Kevin G. Parker, D.C.

Pub Med. Gov:  Neurology. 2010 Jun 8;74(23):1852-9. doi: 10.1212/WNL.0b013e3181e1cec2. Epub 2010 Apr 28.

A phase I/II dose-escalation trial of vitamin D3 and calcium in multiple sclerosis.

Burton JM, Kimball S, Vieth R, Bar-Or A, Dosch HM, Cheung R, Gagne D, D’Souza C, Ursell M, O’Connor P.

Division of Neurology, St. Michael’s Hospital, Toronto, Canada. j-Neurology. 2010 Aug 3;75(5):480.
Neurology. 2010 Sep 14;75(11):1029. Dosage error in article text.

Abstract

CONCLUSIONS: High-dose vitamin D (approximately 10,000 IU/day) in multiple sclerosis is safe, with evidence of immunomodulatory effects.

OBJECTIVE: Low vitamin D status has been associated with multiple sclerosis (MS) prevalence and risk, but the therapeutic potential of vitamin D in established MS has not been explored. Our aim was to assess the tolerability of high-dose oral vitamin D and its impact on biochemical, immunologic, and clinical outcomes in patients with MS prospectively.

METHODS: An open-label randomized prospective controlled 52-week trial matched patients with MS for demographic and disease characteristics, with randomization to treatment or control groups. Treatment patients received escalating vitamin D doses up to 40,000 IU/day over 28 weeks to raise serum 25-hydroxyvitamin D [25(OH)D] rapidly and assess tolerability, followed by 10,000 IU/day (12 weeks), and further downtitrated to 0 IU/day. Calcium (1,200 mg/day) was given throughout the trial. Primary endpoints were mean change in serum calcium at each vitamin D dose and a comparison of serum calcium between groups. Secondary endpoints included 25(OH)D and other biochemical measures, immunologic biomarkers, relapse events, and Expanded Disability Status Scale (EDSS) score.

RESULTS: Forty-nine patients (25 treatment, 24 control) were enrolled [mean age 40.5 years, EDSS 1.34, and 25(OH)D 78 nmol/L]. All calcium-related measures within and between groups were normal. Despite a mean peak 25(OH)D of 413 nmol/L, no significant adverse events occurred. Although there may have been confounding variables in clinical outcomes, treatment group patients appeared to have fewer relapse events and a persistent reduction in T-cell proliferation compared to controls.
CLASSIFICATION OF EVIDENCE: This trial provides Class II evidence that high-dose vitamin D use for 52 weeks in patients with multiple sclerosis does not significantly increase serum calcium levels when compared to patients not on high-dose supplementation. The trial, however, lacked statistical precision and the design requirements to adequately assess changes in clinical disease measures (relapses and Expanded Disability Status Scale scores), providing only Class level IV evidence for these outcomes.

Related articles:

Vitamin D intake and incidence of multiple sclerosis-Journal of Neurology 2004

MS Less Likely With Plenty of Sun, Vitamin D- Neurology 2011;76(6):540-548

Vit D for Higher Levels of Health 2012

Vit D for Cancer Prevention-Annals of Epidemiology 2009

Vit D- Reduction in breast cancer risk-Cancer Causes Ctrl 2010

Vit D2 versus D3-Meta Analysis-John J. Cannell, M.D.

Vit D3 and the Flu-Epidemiology and Infection-2007

Vit. D- The Food and Nutrition Board has failed millions

Vit. D-What We Have Learned About Vitamin D Dosing

Vitamin D Supplementation: An Update-U.S. Pharmacist 11/11/2010

Vitamin D3 Helps Clear Amyloid in Alzheimer’s Disease

Vit. D3-promote fat loss and gain good muscle in women

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