Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Nov 15, 2026, 6:56 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 49–71 of 71 matching trials from the live ClinicalTrials.gov search.
Conditions
Drug Toxicity, Lung Cancer
Interventions
13-cis retinoic acid, Tocopherol
Drug · Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 90 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2005
U.S. locations
4
States / cities
Denver, Colorado
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
Leukemia
Interventions
recombinant interferon alfa, amifostine trihydrate, bromodeoxyuridine, cytarabine, idarubicin, idoxuridine, isotretinoin, mitoxantrone hydrochloride
Biological · Drug
Lead sponsor
Rush University Medical Center
Other
Eligibility
0 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 1999
U.S. locations
4
States / cities
Chicago, Illinois • Kankakee, Illinois
Conditions
Neuroblastoma
Interventions
Anti-GD2 3F8 Monoclonal Antibody, GM-CSF (granulocyte-macrophage colony-stimulating factor), oral isotretinoin
Biological · Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
Not listed
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
New York, New York
Conditions
High Risk Neuroblastoma
Interventions
Aldesleukin, Diagnostic Laboratory Biomarker Analysis, Dinutuximab, Isotretinoin, Sargramostim
Biological · Other · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2021
U.S. locations
32
States / cities
Loma Linda, California • Los Angeles, California • Orange, California + 25 more
Conditions
Adult Grade III Lymphomatoid Granulomatosis, Anaplastic Large Cell Lymphoma, Angioimmunoblastic T-cell Lymphoma, Extranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue, Intraocular Lymphoma, Nodal Marginal Zone B-cell Lymphoma, Primary Central Nervous System Non-Hodgkin Lymphoma, Recurrent Adult Burkitt Lymphoma, Recurrent Adult Diffuse Large Cell Lymphoma, Recurrent Adult Diffuse Mixed Cell Lymphoma, Recurrent Adult Diffuse Small Cleaved Cell Lymphoma, Recurrent Adult Grade III Lymphomatoid Granulomatosis, Recurrent Adult Hodgkin Lymphoma, Recurrent Adult Immunoblastic Large Cell Lymphoma, Recurrent Adult Lymphoblastic Lymphoma, Recurrent Adult T-cell Leukemia/Lymphoma, Recurrent Cutaneous T-cell Non-Hodgkin Lymphoma, Recurrent Grade 1 Follicular Lymphoma, Recurrent Grade 2 Follicular Lymphoma, Recurrent Grade 3 Follicular Lymphoma, Recurrent Mantle Cell Lymphoma, Recurrent Marginal Zone Lymphoma, Recurrent Mycosis Fungoides/Sezary Syndrome, Recurrent Small Lymphocytic Lymphoma, Small Intestine Lymphoma, Splenic Marginal Zone Lymphoma, Stage IV Adult Burkitt Lymphoma, Stage IV Adult Diffuse Large Cell Lymphoma, Stage IV Adult Diffuse Mixed Cell Lymphoma, Stage IV Adult Diffuse Small Cleaved Cell Lymphoma, Stage IV Adult Hodgkin Lymphoma, Stage IV Adult Immunoblastic Large Cell Lymphoma, Stage IV Adult Lymphoblastic Lymphoma, Stage IV Adult T-cell Leukemia/Lymphoma, Stage IV Cutaneous T-cell Non-Hodgkin Lymphoma, Stage IV Grade 1 Follicular Lymphoma, Stage IV Grade 2 Follicular Lymphoma, Stage IV Grade 3 Follicular Lymphoma, Stage IV Mantle Cell Lymphoma, Stage IV Marginal Zone Lymphoma, Stage IV Mycosis Fungoides/Sezary Syndrome, Stage IV Small Lymphocytic Lymphoma, Unspecified Adult Solid Tumor, Protocol Specific, Waldenström Macroglobulinemia
Interventions
entinostat, isotretinoin
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Healthy
Interventions
Isotretinoin
Drug
Lead sponsor
Dr. Reddy's Laboratories Limited, India
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001
U.S. locations
1
States / cities
Quadrangle Drive, Chapel Hill,, North Carolina
Withdrawn No phase listed Observational Accepts healthy volunteers

Vitamin A, Its Receptors and Asthma

NCT00628329
Conditions
Asthma
Interventions
Not listed
Lead sponsor
University of Kansas
Other
Eligibility
18 Years to 64 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Recurrent Renal Cell Cancer, Stage III Renal Cell Cancer, Stage IV Renal Cell Cancer
Interventions
vorinostat, isotretinoin
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
21 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
2
States / cities
New York, New York • The Bronx, New York
Conditions
Localized Resectable Neuroblastoma, Localized Unresectable Neuroblastoma, Recurrent Neuroblastoma, Regional Neuroblastoma, Stage 4 Neuroblastoma, Stage 4S Neuroblastoma
Interventions
Aldesleukin, Dinutuximab, Isotretinoin, Laboratory Biomarker Analysis, Pharmacological Study, Quality-of-Life Assessment, Sargramostim
Biological · Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Up to 30 Years
Enrollment
1,449 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2025
U.S. locations
172
States / cities
Birmingham, Alabama • Anchorage, Alaska • Phoenix, Arizona + 129 more
Conditions
Childhood Acute Promyelocytic Leukemia (M3), Childhood Atypical Teratoid/Rhabdoid Tumor, Childhood Burkitt Lymphoma, Childhood Chronic Myelogenous Leukemia, Childhood Diffuse Large Cell Lymphoma, Childhood Immunoblastic Large Cell Lymphoma, Juvenile Myelomonocytic Leukemia, Recurrent Childhood Acute Lymphoblastic Leukemia, Recurrent Childhood Acute Myeloid Leukemia, Recurrent Childhood Grade III Lymphomatoid Granulomatosis, Recurrent Childhood Large Cell Lymphoma, Recurrent Childhood Lymphoblastic Lymphoma, Recurrent Childhood Medulloblastoma, Recurrent Childhood Small Noncleaved Cell Lymphoma, Recurrent Childhood Supratentorial Primitive Neuroectodermal Tumor, Recurrent Neuroblastoma, Recurrent/Refractory Childhood Hodgkin Lymphoma, Relapsing Chronic Myelogenous Leukemia, Unspecified Childhood Solid Tumor, Protocol Specific
Interventions
vorinostat, isotretinoin
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
1 Year to 21 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
HIV Infections, Anus Neoplasms
Interventions
Isotretinoin, Interferon alfa-2a
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1996
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Male Infertility, Azoospermia
Interventions
13-cis retinoic acid
Drug
Lead sponsor
University of Washington
Other
Eligibility
21 Years to 60 Years · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Healthy
Interventions
Isotretinoin
Drug
Lead sponsor
Dr. Reddy's Laboratories Limited, India
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002
U.S. locations
1
States / cities
Quadrangle Drive, Chapel Hill,, North Carolina
Conditions
Recurrent Neuroblastoma
Interventions
hu14.18-IL2 fusion protein, isotretinoin, sargramostim, laboratory biomarker analysis
Biological · Drug · Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
1 Year to 30 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
71
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Arcadia, California + 62 more
Completed Phase 4 Interventional Results available

Effects of Isotretinoin on CYP2D6 Activity

NCT03076021
Conditions
CYP2D6 Polymorphism
Interventions
Isotretinoin, dextromethorphan
Drug
Lead sponsor
University of Washington
Other
Eligibility
12 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Conditions
HIV-1 Infection
Interventions
Isotretinoin
Drug
Lead sponsor
Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
Network
Eligibility
18 Years to 80 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
14
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 10 more
Conditions
Toxic Epidermal Necrolysis
Interventions
Isotretinoin, Placebo
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 69 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Completed No phase listed Observational Accepts healthy volunteers Results available

The Effect of Isotretinoin on the Etonogestrel Contraceptive Implant

NCT02967055
Conditions
Contraception
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Neuroblastoma
Interventions
3F8/GM-CSF Immunotherapy Plus 13-Cis-Retinoic
Biological
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Months and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2018
U.S. locations
1
States / cities
New York, New York
Conditions
Neuroblastoma
Interventions
3F8 monoclonal antibody and 13-cis-Retinoic Acid
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Months and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2018
U.S. locations
1
States / cities
New York, New York
Completed Phase 4 Interventional Accepts healthy volunteers

Combination Treatment for Moderate to Severe Acne

NCT01206348
Conditions
Acne
Interventions
Minocycline, Clindamycin, Tretinoin, Benzoyl Peroxide
Drug
Lead sponsor
Medicis Global Service Corporation
Industry
Eligibility
12 Years to 30 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
10
States / cities
Birmingham, Alabama • Santa Monica, California • Hockessin, Delaware + 7 more
Conditions
Acne Vulgaris
Interventions
Isotretinoin, Amzeeq 4% Topical Foam
Drug
Lead sponsor
Edward Lain, MD
Network
Eligibility
12 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
Dripping Springs, Texas • Pflugerville, Texas