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More info
You can access this
clinical trial
if you have
and you are
between 30 and 90
years old
This is an observational trial.
You are contributing to medical knowledge about your condition.
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The purpose

Vitamin D insufficiency and deficiency is pandemic in the world.Sichuan Basin has a subtropical monsoon climate with China's lowest sunshine totals. Inferably, the prevalence of vitamin D insufficiency/deficiency in Sichuan basin is high, and possibly the highest in China. This study will research the serum 25OHD level to get the prevalence of vitamin D deficiency and insufficiency of urban and rural residents in Sichuan Province, China.

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: NCT01457365. The sponsor of the trial is West China Hospital and it is looking for 1500 volunteers for the current phase.
Official trial title:
Vitamin D Status and Its Correlation to Bone Density, Bone Turnover Markers and Muscle Function in Community-dwelling People in Sichuan Province , P.R. China