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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cytochrome P-450 Clear all
Completed Phase 4 Interventional Accepts healthy volunteers

Effect of Genetics on Metabolism of Efavirenz

NCT00245986
View directory record Official record
Conditions
Metabolism
Interventions
Blood draw
Procedure
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 55 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Not applicable Interventional

Prospective Cytochrome P450 Genotyping and Clinical Outcomes in Patients With Psychosis

NCT01878513
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Psychotic Disorder Not Otherwise Specified, Severe Bipolar Disorder With Psychotic Features
Interventions
risperidone
Drug
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 60 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2018
U.S. locations
1
States / cities
Glen Oaks, New York
Source: ClinicalTrials.gov public record
Updated Aug 26, 2018 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of GSK376501 on CYP450 Activity in Healthy Adult Subjects

NCT00615212
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
GSK376501, Midazolam, Rosiglitazone, Flurbiprofen
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Sep 10, 2017 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Phase 3 Interventional Results available

Study of Rezafungin Compared to Caspofungin in Subjects With Candidemia and/or Invasive Candidiasis

NCT03667690
View directory record Official record
Conditions
Candidemia, Mycoses, Fungal Infection, Invasive Candidiases
Interventions
Rezafungin for Injection, Caspofungin, Fluconazole, intravenous placebo, oral placebo
Drug
Lead sponsor
Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years and older
Enrollment
199 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
19
States / cities
Birmingham, Alabama • Sacramento, California • Atlanta, Georgia + 16 more
Source: ClinicalTrials.gov public record
Updated Jan 5, 2023 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

CYP19A1 (Cytochrome P450 Family 19 Subfamily A Member 1) Gene and Pharmacogenetics of Response to Testosterone Therapy

NCT01378299
View directory record Official record
Conditions
Hypogonadism
Interventions
Testosterone Cypionate
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years to 75 Years · Male only
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
2
States / cities
Albuquerque, New Mexico • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 4, 2019 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Effect of a Potent Cytochrome P450 (CYP) 3A Inhibitor on Ipatasertib

NCT03222310
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Ipatasertib, Itraconazole
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 8, 2017 · Synced Sep 27, 2026, 2:05 PM EDT
Terminated Phase 1 Interventional

A Study to Assess the Effects of Itraconazole, Rifampicin, and Omeprazole on Pharmacokinetics of Adavosertib

NCT04959266
View directory record Official record
Conditions
Advanced Solid Tumours
Interventions
Adavosertib, Itraconazole, Rifampicin, Omeprazole
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
3
States / cities
Portland, Oregon • Austin, Texas • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 15, 2022 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Effect of Cytochrome P450 (CYP) 3A Inhibitor (Itraconazole) and Inducer (Rifampin) on the Drug Levels of Golcadomide (BMS-986369) in Healthy Participants

NCT06363630
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Itraconazole, Rifampin, Golcadomide
Drug
Lead sponsor
Celgene
Industry
Eligibility
18 Years to 55 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
2
States / cities
Atlanta, Georgia • Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 26, 2024 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Effect of the Potent Cytochrome P-450 3A4 (CYP3A4) Inhibitor Itraconazole on the Pharmacokinetics (PK) of TAK-954 in Healthy Adult Participants

NCT03173170
View directory record Official record
Conditions
Healthy Participants
Interventions
TAK-954, Itraconazole
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 14, 2019 · Synced Sep 27, 2026, 2:05 PM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Phase 4, Vedolizumab-4002 Post-marketing, Disease-Drug-Drug Interaction Study

NCT02760615
View directory record Official record
Conditions
Colitis, Ulcerative, Crohn Disease
Interventions
Caffeine, Losartan, Omeprazole, Dextromethorphan, Midazolam, Vedolizumab
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
2
States / cities
Cypress, California • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 26, 2020 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study in Healthy Subjects to Determine the Effect of an Inhibitor on Exposure to Relacorilant and Its Metabolites

NCT03512548
View directory record Official record
Conditions
Healthy
Interventions
Relacorilant 350mg, Itraconazole, Relacorilant 300mg
Drug
Lead sponsor
Corcept Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 23, 2020 · Synced Sep 27, 2026, 2:05 PM EDT
Terminated No phase listed Observational

Optimizing Antiretroviral Therapy in HIV-Infected Children and Adolescents

NCT00207948
View directory record Official record
Conditions
HIV Infections
Interventions
Dose adjustment of Kaletra
Drug
Lead sponsor
Children's National Research Institute
Other
Eligibility
4 Years to 21 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 4, 2015 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Interaction Study of Efavirenz and American Ginseng in Healthy Volunteers

NCT01136928
View directory record Official record
Conditions
Healthy Volunteers
Interventions
American ginseng
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 14, 2018 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Phase 1 Interventional

A Study to Evaluate the Effect of Intravenous (IV) Infusions of Risankizumab on Pharmacokinetics of Cytochome P450 Substrates in Adult Participants With Moderately to Severely Active Ulcerative Colitis or Crohn's Disease

NCT04254783
View directory record Official record
Conditions
Ulcerative Colitis (UC), Crohn's Disease
Interventions
Risankizumab, Cytochrome P450 (CYP) Substrates
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
4
States / cities
Coronado, California • DeLand, Florida • Margate, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2024 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Not applicable Interventional Results available

Pharmacogenetic Testing Among Home Health Patients

NCT02378220
View directory record Official record
Conditions
Adverse Drug Events, Adverse Drug Reactions, Drug Interaction Potentiation, Drug Metabolism, Poor, CYP2D6-RELATED, Drug Metabolism, Poor, CYP2C19-RELATED, Cytochrome P450 Enzyme Deficiency, Cytochrome P450 CYP2D6 Enzyme Deficiency, Cytochrome P450 CYP2C9 Enzyme Deficiency, Cytochrome P450 CYP2C19 Enzyme Deficiency, Cytochrome P450 CYP3A Enzyme Deficiency, Poor Metabolizer Due to Cytochrome P450 CYP2C9 Variant, Poor Metabolizer Due to Cytochrome p450 CYP2C19 Variant, Poor Metabolizer Due to Cytochrome P450 CYP2D6 Variant
Interventions
Pharmacogenetic testing
Genetic
Lead sponsor
Genelex Corporation
Industry
Eligibility
50 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Searcy, Arkansas
Source: ClinicalTrials.gov public record
Updated Sep 19, 2019 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Phase 1 Interventional

A Study Evaluating Potential Disease-Mediated Drug-Drug Interaction in Adult Participants With Active Eosinophilic Esophagitis Receiving Cendakimab

NCT05175352
View directory record Official record
Conditions
Eosinophilic Esophagitis
Interventions
Cendakimab, CYP substrates
Drug
Lead sponsor
Celgene
Industry
Eligibility
18 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
12
States / cities
Tucson, Arizona • Los Angeles, California • San Diego, California + 9 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Effect of AZD5462 on the Pharmacokinetics of Midazolam, Rosuvastatin and Digoxin

NCT05395117
View directory record Official record
Conditions
Healthy Participants
Interventions
AZD5462, Midazolam, Rosuvastatin, Digoxin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Brooklyn, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 12, 2023 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Phase 1 Interventional Results available

A Study of Abemaciclib in Participants With Cancer That is Advanced or Has Spread to Another Part(s) of the Body

NCT02688088
View directory record Official record
Conditions
Neoplasm Metastasis
Interventions
Drug Cocktail, Abemaciclib
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
5
States / cities
Denver, Colorado • Indianapolis, Indiana • Fairway, Kansas + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 17, 2022 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Fixed-Sequence, Two-Period, Open-Label Drug-Drug Interaction Study to Assess the Effect of an Inhibitor of Cytochrome P450 Isoenzyme 3A4 and Permeability Glycoprotein 1 on the Pharmacokinetics of TD-1211

NCT01568411
View directory record Official record
Conditions
Healthy
Interventions
TD-1211, TD-1211+ itraconazole
Drug
Lead sponsor
Glycyx Therapeutics
Industry
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Evaluating the Effects of Food, Cytochrome P450 Inhibition and Induction on the Pharmacokinetics of CC-122

NCT03340662
View directory record Official record
Conditions
Healthy Volunteer
Interventions
CC-122, Itraconazole, Fluvoxamine, Rifampin
Drug
Lead sponsor
Celgene
Industry
Eligibility
18 Years to 55 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 15, 2019 · Synced Sep 27, 2026, 2:05 PM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

Role of CYP2B6, CYP3A4, and MDR1 in the Metabolic Clearance of Methadone

NCT00504413
View directory record Official record
Conditions
Substance-Related Disorders
Interventions
midazolam(drug), digoxin (drug), Bupropion (drug), Methadone (drug)
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 12, 2010 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Open-Label, Multiple-Dose, Non-Randomized Study to Assess Drug-Drug Interactions of Proellex® in Female Subjects

NCT00741468
View directory record Official record
Conditions
Drug Interactions
Interventions
Proellex, CYP1A2 probe, CYP2C9 probe, CYP2C19 probe, CYP2D6 probe, CYP3A4 probe
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 48 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 21, 2014 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Drug Interaction Between MYK-224 and Itraconazole and Verapamil in Healthy Participants

NCT05304533
View directory record Official record
Conditions
Healthy Participants
Interventions
MYK-224, Itraconazole, Verapamil
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 55 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 12, 2023 · Synced Sep 27, 2026, 2:05 PM EDT
Completed Phase 1 Interventional

A Phase I Study of Continuous Intravenous Infusion of PSC 833 and Vinblastine in Patients With Metastatic Renal Cancer

NCT00001570
View directory record Official record
Conditions
Kidney Neoplasms, Neoplasm Metastasis
Interventions
PSC 833, vinblastine
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 27, 2026, 2:05 PM EDT