Vitamin deficiency disorder
MONDO:0024298A disorder that is caused by the deficiency of a vitamin. The deficiency may result from either suboptimal vitamin intake or conditions that prevent the vitamin's use or absorption in the body. Representative examples include beriberi caused by thiamine deficiency, scurvy caused by vitamin C deficiency, and rickets caused by vitamin D deficiency.
Also known as: avitaminosis, vitamin deficiency, vitamin deficiency disorder, Avitaminoses, deficiencies, vitamin, deficiency, vitamin, vitamin deficiencies
139 clinical trials for this condition and its sub-types.
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Broader categories
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New vitamin d pill aims to tame parathyroid glands in dialysis patients
Disease control TerminatedThis phase 2 study tested a weekly extended-release capsule of calcifediol (CTAP101) in 44 adults with chronic kidney disease on hemodialysis who also had vitamin D insufficiency and secondary hyperparathyroidism. The goal was to see if the drug could raise vitamin D levels and l…
Phase: PHASE2 • Sponsor: OPKO Health, Inc. • Aim: Disease control
Last updated Jun 27, 2026 12:03 UTC
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Could a vitamin d boost make flu shots work better for seniors?
Prevention TerminatedThis trial tests whether giving older adults a high dose of vitamin D before their flu shot can strengthen their immune response. Participants are 65 or older with low vitamin D levels. The study measures changes in infection-fighting proteins and antibody levels after vaccinatio…
Phase: PHASE2 • Sponsor: University Hospital, Clermont-Ferrand • Aim: Prevention
Last updated Aug 08, 2026 00:03 UTC