Vitamin a deficiency Clinical Trials
Conditions / Vitamin a deficiency
Delta Trials records 47 clinical trials for Vitamin a deficiency in its publicly accessible dataset. From the full dataset, 3 actively seeking eligible participants and 35 trials have reached completion. This research is conducted across 41 study locations around the world. An additional 9 trials are active but not currently open for enrollment. Since 2020, 1 trial have been stopped, reflecting shifts in research priorities or feasibility. The trial counts on this page reflect the most recent data ingested from ClinicalTrials.gov, with history tracked across multiple versions.
Trial Status
47
Total Trials
3
Recruiting
35
Completed
9
Other Active
1
Terminated since 2020
41
Study Locations
Browse by location (41 total)
- Dhaka, Bangladesh 5 trialsAll trials in Dhaka, Bangladesh
- Madison, United States 3 trialsAll trials in Madison, United States
- Newcastle upon Tyne, United Kingdom 3 trialsAll trials in Newcastle upon Tyne, United Kingdom
- Mkushi, Zambia 3 trialsAll trials in Mkushi, Zambia
- Davis, United States 3 trialsAll trials in Davis, United States
- Newcastle upon Tyne, United Kingdom 3 trialsAll trials in Newcastle upon Tyne, United Kingdom
- Addis Ababa, Ethiopia 2 trialsAll trials in Addis Ababa, Ethiopia
- Rangpur, Bangladesh 2 trialsAll trials in Rangpur, Bangladesh
- Zurich, Switzerland 2 trialsAll trials in Zurich, Switzerland
- Accra, Ghana 2 trialsAll trials in Accra, Ghana
- Ibadan, Nigeria 2 trialsAll trials in Ibadan, Nigeria
- Zürich, Switzerland 2 trialsAll trials in Zürich, Switzerland
- Kintampo, Ghana 1 trialAll trials in Kintampo, Ghana
- Khartoum, Sudan 1 trialAll trials in Khartoum, Sudan
- Baltimore, United States 1 trialAll trials in Baltimore, United States
- Recife, Brazil 1 trialAll trials in Recife, Brazil
- Hermosillo, Mexico 1 trialAll trials in Hermosillo, Mexico
- Buffalo, United States 1 trialAll trials in Buffalo, United States
- Wenzhou, China 1 trialAll trials in Wenzhou, China
- Boston, United States 1 trialAll trials in Boston, United States