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Vitamin D does not reduce the risk of Multiple Sclerosis – FDA incorrect conclusion – Jan 2018

FDA Denies Health Claim for Vitamin D to Prevent MS Jan 2018

   The Bayer Corporation petitioned the FDA to make the following claim
     “Vitamin D may reduce the risk of multiple sclerosis (MS).”
    Download the FDA response from VitaminDWiki

7 studies (see below) have found a ~2X less risk of Multiple Sclerosis for people with higher vitamin D levels
VitaminDWiki believes the claim that “Vitamin D may reduce the risk of multiple sclerosis (MS).” is valid


FDA looked at only two observational studies

that evaluated the association between serum vitamin D levels and MS risk
Strangely the FDA did not consider that the studies found any benefit
These 2 studies (and 5 others below) found: Higher Vitamin D ==> about a 2X decreased risk of MS
Munger et al., 2017

Nielsen et al., 2017 Munger = coauthor


Additional MS PREVENTION studies by Munger in VitaminDWiki

  1. Multiple Sclerosis 1.9X more likely if low vitamin D during pregnancy – March 2016
    Munger observational study was discarded by FDA because it used Vitamin D levels, not vitamin D intake- pg 8 of response
  2. Multiple Sclerosis 2X more likely if vitamin D deficient as a fetus decades earlier – May 2016
    Munger observational study was discarded by FDA because it used Vitamin D levels, not vitamin D intake- pg 8 of response
  3. Multiple Sclerosis risk reduced 40% in 92,000 women taking more than 400 IU of vitamin D – 2004
    Munger observational study was not commented on by the FDA response
    Perhaps because the Vitamin D was part of a multi-vitamin, and the reduced MS might have been due to some other ingredient
    Note: The 2004 study commented on this possibility, and stated that future studies were to be based on Vitamin D levels, which the FDA later rejected
  4. A gestational dose of vitamin D per day keeps the MS doctor away (2X reduction) – Nov 2016
    Munger observational study perhaps discarded by FDA because it used Vitamin D levels, not vitamin D intake
  5. Multiple Sclerosis 60 percent less likely in those with more than 40 ng of vitamin D – 2006
    Munger observational study perhaps discarded by FDA because it used Vitamin D levels, not vitamin D intake

The FDA seems to ignore the fact that a person can increase their Vitamin D blood levels with Vitamin D supplements


The FDA did look at some small TREATMENT studies of MS with Vitamin D

Wonder why did the FDA looked at treatment studies to make a statement about prevention

  • None of the studies were large enough to show statistical significance (typically fewer than 40 people)
  • None of the studies used even a fraction of what is needed to “cure” multiple sclerosis

Burton et al., 2010

  • A phase I/11 dose-escalation trial of vitamin D3 and calcium in multiple sclerosis
  • Small trial did not have enough patients (25) to result in statistical significance
  • But, every one of the trends indicated decreased of MS with 10,000 to 14,000 U of vitamin D, even though they had Calcium supplements

Derakhshandi et al., 2013;

  • Preventive effect of vitamin D3 supplementation on conversion of optic neuritis to clinically definite multiple sclerosis
  • “50,000 IU of vitamin D3 weekly for 12 months” to 15 patients
  • “Risk reduction was 68.4 % for the primary outcome in the treatment group”

Kampmen et al., 2012;

  • Effect of vitamin D 3 supplementation on relapses, disease progression
  • “20,000 IU vitamin D(3) weekly” 25 patients
  • The 10% risk reduction found after a year was not statistically significant

Kimball etal., 2011; only helped those who got above 40 ng of Vitamin D

  • Cholecalciferol plus calcium suppresses abnormal PBMC reactivity in patients with multiple sclerosis.
  • “MS-associated, abnormal T cell reactivities were suppressed in vivo by cholecalciferol at serum 25(OH)D concentrations higher than 100 nmol/liter”

Soilu-Hanninen et al., 2012;

  • A randomised, double blind, placebo controlled trial with vitamin D3 as an add on treatment to interferon
  • Those getting Vitamin D had
    1) Decreased burden of disease,
    2) fewer new T2 lesions,
    3) significantly lower number of T1 enhancing lesions,
    4) Tendency to reduced disability accumulation,
    5) improved timed tandem walk

Sotirchos et al., 2016;

  • Safety and immunologic effects of high-vs low-dose cholecalciferol in multiple sclerosis
  • Only 20 Msers, “10,400 IU daily is safe and tolerable . . “
  • Vitamin D also improved all MS bio-markers, but only a few were statistically significant for this low of dose and so few participants

Stein et al., 2011

  • A randomized trial of high-dose vitamin D2 in relapsing-remitting multiple sclerosis
  • 7,000 IU in a study of only 25 patients with a very poor form of Vitamin D

The FDA decided to ignore all meta-analyses of Vitamin D and Multiple Sclerosis

 See page 6 of FDA response


VitaminDWiki believes that “Vitamin D may treat multiple sclerosis” would also be a valid claim

An example study which supports this claim

Created by admin. Last Modification: Tuesday January 16, 2018 16:56:59 UTC by admin. (Version 20)

Attached files

ID Name Comment Uploaded Size Downloads
9198 FDA MS detailed response.pdf PDF 2018 admin 16 Jan, 2018 16:55 234.10 Kb 123
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