Avitaminosis clinical trials

The registry lists 35 studies for Avitaminosis across more than 10 countries. 3 are recruiting or about to start. 16 of them are mainly about Avitaminosis (how this is decided). Per ClinicalTrials.gov, last updated 2026-09-02. Counting its 13 narrower conditions too, such as Vitamin D Deficiency: 1,201 studies, 116 open.

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Status

Completed: 27
Status unknown: 3
Recruiting: 2
Not yet recruiting: 1
Withdrawn: 1
Terminated: 1

Phase

Phase 2: 4
Phase 4: 4
Phase 3: 4

Where

United States: 14
Germany: 3
United Kingdom: 2
Canada: 2
Netherlands: 1
Turkey: 1

Who runs them

Oregon State University (1) · National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) (1) · Charite University, Berlin, Germany (1) · KU Leuven (1) · General Committee of Teaching Hospitals and Institutes, Egypt (1) · UConn Health (1) · Bayer (1) · Rijnstate Hospital (1)

What is being tested here

Drugs under test in Avitaminosis studies, those with the most open studies first. Medicines only given beside them are not counted. How drugs are counted

Drug	Phase 3	All
Cholecalciferol	0	4
Vitamin D	0	3
Geritol	1	2
Nitrous Oxide	0	1
Vitamin A	1	1
Magnesium	0	1
Vitamin B 12	1	1
Iron	0	1
Ascorbic Acid	0	1

Coming up

0phase 3 studies under way

1study finishes main data collection within a year

Studies recruiting or running, from their records. “Main data collection” ends at the primary completion date, the sponsor’s own estimate, which often moves.

The study

Mar 2027Cohort Study on Plant-based Diets (COPLANT Study) · German Federal Institute for Risk Assessment

Who these studies take

Of the 2 Avitaminosis studies recruiting now, 0 (0%) set no upper age limit and 2 (100%) stop at 75 or younger. 0 (0%) take children under 18. 0 (0%) are for women only and 0 (0%) for men only; 1 (50%) take healthy volunteers.

Recruiting studies that take each age, of 2
Age	Women	Men
10	0 (0%)	0 (0%)
18	2 (100%)	2 (100%)
30	2 (100%)	2 (100%)
40	2 (100%)	2 (100%)
50	2 (100%)	2 (100%)
65	2 (100%)	2 (100%)
75	0 (0%)	0 (0%)
85	0 (0%)	0 (0%)

Across all 35 studies, recruiting or not: 60% stop at 75 or younger and 51% at 65; 23% take children; 11% are for women only and 3% for men only; 51% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

Studies

Recruiting first, then most recently updated. Showing 35 of 35. search them.