Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 13, 2026, 2:52 PM EDT

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Showing 169–180 of 180 matching trials from the live ClinicalTrials.gov search.
Conditions
Eczema
Interventions
alitretinoin, Placebo
Drug
Lead sponsor
Stiefel, a GSK Company
Industry
Eligibility
18 Years to 75 Years
Enrollment
599 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
70
States / cities
Birmingham, Alabama • Tucson, Arizona • Fort Smith, Arkansas + 64 more
Conditions
AMD
Interventions
Vitamin A palmitate
Drug
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
50 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Lung Cancer
Interventions
Vaccine Treatment, Cyclophosphamide, All-trans retinoic acid (ATRA)
Biological · Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Tampa, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Small Daily Doses of B-carotene on Breast Milk Retinol

NCT01803659
Conditions
Vitamin A Status
Interventions
b-carotene, retinyl palmitate, placebo
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Davis, California
Conditions
Vitamin A Deficiency, Vitamin A Toxicity
Interventions
Not listed
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Amyotrophic Lateral Sclerosis
Interventions
Pioglitazone and Tretinoin, Tretinoin and Pioglitazone HCL, Placebo
Drug
Lead sponsor
Phoenix Neurological Associates, LTD
Other
Eligibility
18 Years to 85 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Acne Vulgaris
Interventions
Dapsone; Tretinoin, Tretinoin
Drug
Lead sponsor
Allergan
Industry
Eligibility
12 Years and older
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Strongsville, Ohio
Conditions
Vitamin Deficiency
Interventions
EZPAK, Placebo
Dietary Supplement
Lead sponsor
Optimal Health Research
Other
Eligibility
26 Years to 75 Years
Enrollment
275 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Acute Promyelocytic Leukemia With PML-RARA
Interventions
Arsenic Trioxide, Gemtuzumab Ozogamicin, Laboratory Biomarker Analysis, Tretinoin
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
10 Years and older
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2027
U.S. locations
5
States / cities
Houston, Texas • Nassau Bay, Texas • Sugar Land, Texas + 1 more
Conditions
Acute Myelogenous Leukemia, Myelodysplastic Syndrome
Interventions
All-trans retinoic acid, Bryostatin 1
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2000
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Ganglioneuroblastoma, Localized Resectable Neuroblastoma, Localized Unresectable Neuroblastoma, Regional Neuroblastoma, Stage 4 Neuroblastoma, Stage 4S Neuroblastoma
Interventions
3-Dimensional Conformal Radiation Therapy, Autologous Hematopoietic Stem Cell Transplantation, Busulfan, Cisplatin, Cyclophosphamide, Doxorubicin Hydrochloride, Etoposide Phosphate, External Beam Radiation Therapy, In Vitro-Treated Peripheral Blood Stem Cell Transplantation, Intensity-Modulated Radiation Therapy, Iobenguane I-131, Isotretinoin, Laboratory Biomarker Analysis, Melphalan, Pharmacological Study, Questionnaire Administration, Therapeutic Conventional Surgery, Topotecan Hydrochloride, Vincristine Sulfate
Radiation · Procedure · Drug + 1 more
Lead sponsor
Children's Oncology Group
Network
Eligibility
1 Year to 30 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2025
U.S. locations
25
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 20 more
Conditions
Skin Tear, Solar Purpura, Dermatoporosis
Interventions
Tretinoin 0.1% cream, Bland cream (non-drug)
Drug
Lead sponsor
James Thomas Pathoulas
Other
Eligibility
55 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Palo Alto, California