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Your journey
1What's a trial
4Get in touch
More info
You can access this
clinical trial
if you have
Seasonal Affective Disorder, Vitamin D3, Mental Health or Dietary Supplement
and you are
between 18 and 65
years old
The primary goal of this phase is to monitor the long-term effects.
The treatment is already on the market.
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The purpose

The purpose of this study is to investigate whether vitamin D3 (70 micrograms) is better than placebo in preventing depression symptoms among employees in health care

Provided treatments

  • : Vitamin D3
  • Drug: Placebo

Locations near you

Unfortunately, there are no recruiting locations near you. Please check the list with all locations below.
Tris trial is registered with FDA with number: NCT01462058. The sponsor of the trial is Connie Thuree Nielsen, consultant, MD, ph.d and it is looking for 50 volunteers for the current phase.
Official trial title: