- 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
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 25–48
of 24
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Infant, Newborn, Infant, Low Birth Weight, Infant, Small for Gestational Age, Infant, Premature, Bronchopulmonary Dysplasia, Respiration, Artificial, Respiratory Distress Syndrome, Newborn, Sepsis
- Interventions
- Vitamin A, Sham Procedure
- Drug · Other
- Lead sponsor
- NICHD Neonatal Research Network
- Network
- Eligibility
- 24 Hours to 96 Hours
- Enrollment
- 807 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1996 – 1999
- U.S. locations
- 11
- States / cities
- Palo Alto, California • New Haven, Connecticut • Washington D.C., District of Columbia + 8 more
- Conditions
- Neuroblastoma
- Interventions
- ZD6474, Retinoic Acid
- Drug
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- 2 Years and older
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2011
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Healthy
- Interventions
- Atralin (tretinoin) Gel, 0.05%
- Drug
- Lead sponsor
- Coria Laboratories, Ltd.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Childhood Acute Promyelocytic Leukemia With PML-RARA, Myeloid Neoplasm
- Interventions
- Arsenic Trioxide, Cytarabine, Diagnostic Laboratory Biomarker Analysis, Idarubicin, Mercaptopurine, Methotrexate, Mitoxantrone Hydrochloride, Tretinoin
- Drug · Other
- Lead sponsor
- Children's Oncology Group
- Network
- Eligibility
- 2 Years to 21 Years
- Enrollment
- 106 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2022
- U.S. locations
- 112
- States / cities
- Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 87 more
- Conditions
- Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis
- Interventions
- Retinoic acid, Standard of care
- Drug
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 75 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2013
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Acne Vulgaris
- Interventions
- clindamycin phosphate 1.2% and tretinoin 0.025%, clindamycin 1% gel, tretinoin 0.025% cream
- Drug
- Lead sponsor
- Wake Forest University
- Other
- Eligibility
- 12 Years and older
- Enrollment
- 26 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Acute Promyelocytic Leukemia With t(15;17)(q24.1;q21.2); PML-RARA
- Interventions
- Arsenic Trioxide, Cytarabine, Dexamethasone, Idarubicin, Laboratory Biomarker Analysis, Mitoxantrone Hydrochloride, Quality-of-Life Assessment, Questionnaire Administration, Tretinoin
- Drug · Other
- Lead sponsor
- Children's Oncology Group
- Network
- Eligibility
- 12 Months to 21 Years
- Enrollment
- 158 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2029
- U.S. locations
- 152
- States / cities
- Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 121 more
- Conditions
- Acne Vulgaris
- Interventions
- Tretinoin Gel Microsphere, 0.1%, RETIN-A MICRO® (Tretinoin) Gel Microsphere, 0.1%, Placebo Control
- Drug
- Lead sponsor
- Sun Pharmaceutical Industries, Inc.
- Industry
- Eligibility
- 12 Years to 40 Years
- Enrollment
- 973 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Charlotte, North Carolina
- Conditions
- Skin Cancer, Kidney Transplant Recipients
- Interventions
- Vitamin A, Nicotinamide, Other: Placebo
- Drug · Other
- Lead sponsor
- Rhode Island Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2028
- U.S. locations
- 1
- States / cities
- Providence, Rhode Island
- 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
- Acne Vulgaris
- Interventions
- Tretinoin cream, 0.05%, RETIN-A® (tretinoin) cream, 0.05%, Vehicle of the test product
- Drug
- Lead sponsor
- Sun Pharmaceutical Industries, Inc.
- Industry
- Eligibility
- 12 Years to 40 Years
- Enrollment
- 700 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Charlotte, North Carolina
- Conditions
- Acne
- Interventions
- Tretinoin microsphere 0.1%, Brand Retin-A Micro tretinoin microsphere gel 0.1%, placebo microsphere gel
- Drug
- Lead sponsor
- Spear Pharmaceuticals
- Industry
- Eligibility
- 12 Years to 40 Years
- Enrollment
- 480 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2010
- U.S. locations
- 1
- States / cities
- Land O' Lakes, Florida
- Conditions
- Secondary Hyperparathyroidism
- Interventions
- DP001
- Drug
- Lead sponsor
- Deltanoid Pharmaceuticals
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 42 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2014
- U.S. locations
- 6
- States / cities
- Tucson, Arizona • Tustin, California • Denver, Colorado + 3 more
- Conditions
- Wrinkle
- Interventions
- Retinol, Adapinoid
- Other
- Lead sponsor
- Integrative Skin Science and Research
- Industry
- Eligibility
- 35 Years to 65 Years
- Enrollment
- 48 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Sacramento, California
- 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
- HIV Infections, Disease Transmission, Vertical
- Interventions
- Vitamin A + Beta Carotene, Multivitamins, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Harvard School of Public Health (HSPH)
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 1,085 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1995 – 2003
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Myelodysplastic Syndromes
- Interventions
- decitabine, tretinoin, DNA methylation analysis, cytogenetic analysis, microarray analysis, flow cytometry, immunohistochemistry staining method
- Drug · Genetic · Other
- Lead sponsor
- Memorial Sloan Kettering Cancer Center
- Other
- Eligibility
- 18 Years to 120 Years
- Enrollment
- 54 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2023
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Nephroblastoma, Neuroblastoma
- Interventions
- IFN-alpha with retinoic acid
- Drug
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Eligibility
- Not listed
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1996 – 2000
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Acute Kidney Injury
- Interventions
- Basis, Placebo
- Dietary Supplement
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Melanoma
- Interventions
- Pembrolizumab, Quavonlimab, Vibostolimab, Lenvatinib, ATRA
- Biological · Drug
- Lead sponsor
- Merck Sharp & Dohme LLC
- Industry
- Eligibility
- 18 Years to 120 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2025
- U.S. locations
- 13
- States / cities
- Los Angeles, California • Santa Monica, California • Aurora, Colorado + 9 more
- Conditions
- Infant, Premature
- Interventions
- Vitamin A supplementation
- Drug
- Lead sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- NIH
- Eligibility
- 1 Day to 3 Days
- Enrollment
- 220 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2000 – 2004
- U.S. locations
- 1
- States / cities
- Buffalo, New York
- Conditions
- Hematopoietic Stem Cell Transplant
- Interventions
- Vitamin D and A, Vitamin D and Placebo
- Dietary Supplement
- Lead sponsor
- Children's Hospital Medical Center, Cincinnati
- Other
- Eligibility
- Not listed
- Enrollment
- 83 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2023
- U.S. locations
- 1
- States / cities
- Cincinnati, Ohio
- Conditions
- Hyperparathyroidism, Secondary, Kidney Failure, Chronic
- Interventions
- DP001 softgel capsules, Placebo
- Drug
- Lead sponsor
- Deltanoid Pharmaceuticals
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 62 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2014
- U.S. locations
- 14
- States / cities
- Phoenix, Arizona • Tucson, Arizona • Washington D.C., District of Columbia + 11 more