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Vitamin A deficiency
MONDO:0007016Deficiency of vitamin A due to malnutrition, malabsorption, or dietary lack. It is manifested with reduced night vision, night blindness, and xerophthalmia.
Also known as: vitamin A deficiency, vitamin A deficiency (disease), deficiencies, vitamin A, deficiency, vitamin A, vitamin A deficiencies
14 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsBroader categories
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New eye drops aim to banish night glare after laser surgery
Symptom relief OngoingThis study tests whether phentolamine eye drops can improve vision in low light for people who had laser eye surgery and now see glare, halos, or starbursts at night. About 200 adults will use the drops or a placebo every evening for two weeks. The main goal is to see if more peo…
Phase: PHASE3 • Sponsor: Ocuphire Pharma, Inc. • Aim: Symptom relief
Last updated Jun 27, 2026 14:01 UTC
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Real food tube feeds: a kinder option for kids?
Symptom relief OngoingThis study looks at how well children aged 1 to 16 tolerate and accept new nutritional feeds made from real food ingredients. The feeds are given through a tube or as a drink. Researchers will track stomach issues like pain, bloating, and nausea over 28 days. The goal is to see i…
Phase: NA • Sponsor: Nutricia UK Ltd • Aim: Symptom relief
Last updated Jun 27, 2026 12:08 UTC
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Vitamin a levels under the microscope in voice box lesion study
Knowledge-focused ENROLLING_BY_INVITATIONThis study looks at vitamin A levels in 90 adults with vocal fold leukoplakia, a condition that causes white patches on the vocal cords. Researchers want to see if vitamin A status differs between people with and without precancerous changes. Participants provide blood and tissue…
Sponsor: University of Wisconsin, Madison • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:04 UTC