DrugSupplement
Vitamin A clinical trials
Also written Retinol.
- studies test it
- 76
- open now
- 5
- in phase 3
- 16
- first study started
- 1995
Keep track of what changes. Save the Vitamin A studies recruiting or about to start, and get an email each week — studies that open, close, add sites or post results.
Watch these studiesHow studies write it
Studies that test it under each name
Other names
Combined with it in one product
Studies by the year they started
73 studies that test it; most in 2010 (11)
| Year | Studies |
|---|---|
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 2 |
| 1999 | 1 |
| 2000 | 2 |
| 2002 | 2 |
| 2003 | 2 |
| 2004 | 2 |
| 2005 | 2 |
| 2006 | 2 |
| 2007 | 4 |
| 2009 | 7 |
| 2010 | 11 |
| 2011 | 4 |
| 2012 | 2 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 2 |
By phase
A phase 1/2 study counts in both.
- Early Phase 1
- 3
- Phase 1
- 3
- Phase 2
- 12
- Phase 3
- 16
- Phase 4
- 18
- No phase
- 27
What it is tested for
Each study’s main condition, where its own words name it.
Who runs them
Industry 3 · Other 73
Tehran University of Medical Sciences (7) · Bandim Health Project (7) · International Centre for Diarrhoeal Disease Research, Bangladesh (4) · Johns Hopkins Bloomberg School of Public Health (2) · Children's Hospital Medical Center, Cincinnati (2) · National Eye Institute (NEI) (2) · Johns Hopkins University (2) · Harvard School of Public Health (HSPH) (2)
Often tested with
Tested in the same studies.
Vitamin E (7) · Zinc (7) · Iron (4) · Ascorbic Acid (3) · Cholecalciferol (2) · Beta Carotene (2) · Cetuximab (2) · Metronidazole (2)
Studies
Open first, then newest update. How each study uses Vitamin A is read from its arms, and is right about nine times in ten.
Testing it · 76
- Vitamin A Supplementation in Allogeneic Stem Cell Transplantation.RecruitingPhase 2Children's Hospital Medical Center, CincinnatiNCT06450925Written as Vitamin A
- Effect of Vitamin A Supplementation on Idiopathic ScoliosisRecruitingNot applicableSecond Affiliated Hospital of Wenzhou Medical UniversityNCT07335991Written as Vitamin A
- Pilot Trial of Supplemental Vitamin A and NicotinamideRecruitingEarly Phase 1Rhode Island HospitalNCT05702398Written as Vitamin A
- Vitamin A and D Supplementation in Allogeneic HCTRecruitingPhase 2St. Petersburg State Pavlov Medical UniversityNCT06508099Written as Vitamin A
- Early Blocking Strategy for Metachronous Liver Metastasis of Colorectal Cancer Based on Pre-hepatic CTC DetectionNot yet recruitingPhase 2Liaoning Cancer Hospital & InstituteNCT05720559Written as Vitamin A
- High Dose Vitamin A in Preventing Gastrointestinal GVHD in Participants Undergoing Donor Stem Cell TransplantCompletedNot applicableOhio State University Comprehensive Cancer CenterNCT03719092Written as Vitamin A Compound
- Oral Vitamin A Supplementation for Prevention of Bronchopulmonary Dysplasia in Preterm InfantsCompletedPhase 3Erhan CalisiciNCT07577180Written as Vitamin A
- The Effect of Adjunct Vitamin a on Community-Acquired Pneumonia in Southern Iranian Children: a Randomized Clinical TrialCompletedNot applicableHormozgan University of Medical SciencesNCT06677684Written as Vitamin A
- Oral Vitamin A Supplementation in Neonates With Birth Weight < 1500 gCompletedNot applicableFrancesca GarofoliNCT02102711Written as Vitamin A oral drops
- High Dose Vitamin A Compound in Treating Participants With Resectable Non-Small Cell Lung CancerTerminatedEarly Phase 1Wake Forest University Health SciencesNCT03870529Written as Vitamin A Compound
- Quintuple Method for Treatment of Multiple Refractory Colorectal Liver MetastasesStatus unknownPhase 2Liaoning Cancer Hospital & InstituteNCT05774964Written as Vitamin A
- Effects of Retinoids on CYP2D6 Activity During PregnancyCompletedPhase 1University of WashingtonNCT03117660Written as Vitamin A
- Single-dose Postpartum Vitamin A Supplementation of Mothers and NeonatesCompletedPhase 2Johns Hopkins Bloomberg School of Public HealthNCT00198718Written as Vitamin A (retinyl palmitate)
- Periodontal Regeneration Using Vitamin A and PRF Compared to PRF Alone Treating Intra-bony DefectsStatus unknownNot applicableCairo UniversityNCT05285293Written as Platelet Rich Fibrin (PRF) and Retinol
- High/Low Dose Vit A in Diarrhea/ALRI in Severe PEMCompletedNot applicableInternational Centre for Diarrhoeal Disease Research, BangladeshNCT00388921Written as Vitamin A
- Efficacy and Safety of Vitamin A Treatment for Children With SepsisStatus unknownNot applicableWest China HospitalNCT04127968Written as Vitamin A
- Immunogenicity and Safety Study of GSK Biologicals' Candidate Malaria Vaccine Given at 6, 7.5 and 9 Months of Age in Co-administration With Measles, Rubella and Yellow Fever (YF) Vaccines Followed by a Booster of the Malaria Vaccine.CompletedPhase 3GlaxoSmithKlineNCT02699099Written as Vitamin A
- Olfactory and Neurosensory Rehabilitation in COVID-19-related Olfactory DysfunctionStatus unknownPhase 2Ivan FN Hung MDNCT04900415Written as Vitamin A
- Vitamin A and Azithromycin for Acne VulgarisStatus unknownEarly Phase 1Manchanda Medical ClinicNCT03090048Written as Vitamin A
- Vitamin A for BPD PreventionStatus unknownNot applicableSheba Medical CenterNCT04563429Written as Oral Vitamin A
See all 76 studies that test Vitamin A →
Given in every arm · 4 — Vitamin A is usual care beside what is tested
- Randomized Trial of DHA for Retinitis Pigmentosa Patients Receiving Vitamin ACompletedPhase 3Carol Weigel DiFrancoNCT00000116Written as Vitamin A
- Evaluate the Safety and Tolerability, as Well as the Pharmacokinetic and Pharmacodynamic Profiles of Single and Multiple Doses of Eplontersen Administered Subcutaneously to Healthy Volunteers and Patients With Hereditary Transthyretin-Mediated Amyloidosis (hATTR ).CompletedPhase 1/2Ionis Pharmaceuticals, Inc.NCT03728634Written as Vitamin A
- Assessment of a Combined Strategy of SMC + Nutrients Supplementation to Tackle Malaria and MalnutritionStatus unknownNot applicableInstitut de Recherche en Sciences de la Sante, Burkina FasoNCT04238845Written as Supplementation with Vitamin A
- Effects of Topical Vitamin K, Vitamin K and Retinol, and Arnica on Post-Laser BruisingCompletedNot applicableNorthwestern UniversityNCT00363038Written as Vitamin K and retinol ointment
As the comparator · 2 — what is tested is compared with Vitamin A
- Comparison of the Cosmetic Effects of Bakuchiol and RetinolCompletedEarly Phase 1University of California, DavisNCT03112863Written as Retinol
- Comparison of Two Nutrition Interventions in Young Children in El SalvadorStatus unknownNot applicableThe Mathile Institute for the Advancement of Human NutritionNCT02567981Written as Vitamin A
Codes
What other systems call Vitamin A · ClinicalTrials.gg INT008412
- MeSH (NLM) D014801Vitamin AConfirmed ClinicalTrials.gov, NLM, Wikidata
- UNII (FDA) 81G40H8B0TVITAMIN AConfirmed FDA, Wikidata
- RxNorm 11246Confirmed FDA, Wikidata
- Wikidata Q18225vitamin AConfirmed FDA, Wikidata
- NCI Thesaurus C938Vitamin A CompoundOne source FDA
| System | Code | Name there | Checked by |
|---|---|---|---|
| MeSH (NLM) | D014801 | Vitamin A | Confirmed ClinicalTrials.gov, NLM, Wikidata |
| UNII (FDA) | 81G40H8B0T | VITAMIN A | Confirmed FDA, Wikidata |
| RxNorm | 11246 | — | Confirmed FDA, Wikidata |
| Wikidata | Q18225 | vitamin A | Confirmed FDA, Wikidata |
| NCI Thesaurus | C938 | Vitamin A Compound | One source FDA |
Also registered as retinol (UNII G2SH0XKK91 · RxNorm 1367187).
“Confirmed” means two independent publishers link the code to this drug; “one source”, one does and its name agrees.