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Showing 1–24 of 30 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Cytochrome P450 inhibitor Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study of Pacritinib and CYP450,Transporter Substrates, and CYP450 3A4 in Healthy Male Subjects

NCT05657613
View directory record Official record
Conditions
Drug Interactions
Interventions
CYP450 Cocktail and Transporter Substrates with Pacritinib, Part 2 -Group A Bosentan 125 mg (CYP450 3A4 inducer) with Pacritinib, Part 2 Group B - Fluconazole (CYP450 3A4 inhibitor) with Pacritinib
Drug
Lead sponsor
CTI BioPharma
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Sep 25, 2026, 4:40 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

CYP3A4 Activity and Mineral Homeostasis

NCT02019875
View directory record Official record
Conditions
Vitamin D and Calcium Homeostasis
Interventions
Rifampin, Clarithromycin, Grapefruit Juice, Placebo
Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 60 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 18, 2023 · Synced Sep 25, 2026, 4:40 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of the Effects of Posaconazole on Alectinib (RO5424802) Pharmacokinetics in Healthy Volunteers

NCT01984229
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Alectinib, Posaconazole
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 55 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 10, 2016 · Synced Sep 25, 2026, 4:40 PM EDT
Completed Phase 1 Interventional

Effects of AZD1775 on the PK Substrates for CYP3A, CYP2C19, CYP1A2 and on QT Interval in Patients With Advanced Cancer

NCT03333824
View directory record Official record
Conditions
Solid Tumours
Interventions
CYP1A2 (caffeine), CYP2C19 (omeprazole), CYP3A (midazolam), Kytril (granisetron), Wee-1 kinase inhibitor AZD1775
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 99 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
7
States / cities
Bingham Farms, Michigan • Detroit, Michigan • Lebanon, New Hampshire + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2019 · Synced Sep 25, 2026, 4:40 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetics (PK) Drug Interaction Study of Milademetan and Itraconazole or Posaconazole in Healthy Participants

NCT03614455
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Milademetan, Itraconazole, Posaconazole
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 11, 2019 · Synced Sep 25, 2026, 4:40 PM EDT
Active, not recruiting Phase 1 Interventional

Study of Oral LY3410738 in Patients With Advanced Hematologic Malignancies With IDH1 or IDH2 Mutations

NCT04603001
View directory record Official record
Conditions
Acute Myeloid Leukemia (AML), Myelodysplastic Syndrome (MDS), Chronic Myelomonocytic Leukemia (CMML), Myeloproliferative Neoplasms (MPNs)
Interventions
LY3410738, Venetoclax, Azacitidine
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
12
States / cities
Duarte, California • Los Angeles, California • Sacramento, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 25, 2026, 4:40 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 25, 2026, 4:40 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 25, 2026, 4:40 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 25, 2026, 4:40 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 25, 2026, 4:40 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 25, 2026, 4:40 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 25, 2026, 4:40 PM EDT
Terminated Phase 2 Interventional

IRAK4 Inhibition in Treatment of COVID-19 With ARDS (I-RAMIC)

NCT04575610
View directory record Official record
Conditions
COVID-19
Interventions
PF-06650833, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 75 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 25, 2021 · Synced Sep 25, 2026, 4:40 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 25, 2026, 4:40 PM EDT
Terminated Phase 1 Interventional

Safety, Tolerability, Pharmacokinetics, and Efficacy of Acapatamab in Subjects With mCRPC

NCT03792841
View directory record Official record
Conditions
Metastatic Castration-resistant Prostate Cancer, Prostate Cancer
Interventions
acapatamab, Pembrolizumab, Etanercept, Cytochrome P450 (CYP) Cocktail
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years and older · Male only
Enrollment
212 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
13
States / cities
Campbell, California • Duarte, California • Long Beach, California + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2025 · Synced Sep 25, 2026, 4:40 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study in Healthy Volunteers to Evaluate the Drug-Drug Interaction Potential of CCX168 With Concomitant Medications

NCT06004947
View directory record Official record
Conditions
Anti-neutrophil Cytoplasmic Antibody-associated Vasculitis
Interventions
CCX168, Midazolam, Celecoxib, Itraconazole, Rifampicin
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Sep 25, 2026, 4:40 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Safety and Efficacy of Therapies for Metastatic Castration-resistant Prostate Cancer (mCRPC)

NCT04631601
View directory record Official record
Conditions
Metastatic Castration-resistant Prostate Cancer
Interventions
Acapatamab, Enzalutamide, Abiraterone, AMG 404
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 99 Years · Male only
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
7
States / cities
Birmingham, Alabama • Orange, California • San Francisco, California + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 25, 2026, 4:40 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Effect of Itraconazole and Rifampin on the Drug Levels of AR-LDD (BMS-986365) in Healthy Adult Male Participants

NCT07242781
View directory record Official record
Conditions
Healthy Volunteers
Interventions
BMS-986365, Itraconazole, Rifampin
Drug
Lead sponsor
Celgene
Industry
Eligibility
18 Years to 60 Years · Male only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 25, 2026, 4:40 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Effects of a Cytochrome P450 2C19 Inhibitor on the Pharmacokinetics of Miricorilant

NCT05712265
View directory record Official record
Conditions
Antipsychotic Induced Weight Gain, Non-alcoholic Steatohepatitis (NASH)
Interventions
Miricorilant, Fluvoxamine
Drug
Lead sponsor
Corcept Therapeutics
Industry
Eligibility
18 Years to 60 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced Sep 25, 2026, 4:40 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Randomized Study to Assess the Relative Bioavailability of New Formulations of GSK1265744 Long Acting Parental (LAP) in Healthy Adult Subjects

NCT01754116
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
GSK1265744 30 mg oral, Midazolam 3 mg oral + GSK1265744 30mg oral, GSK1265744 400 mg (200 nm), GSK1265744 400 mg (1 micro m), GSK1265744 400 mg (5 micro m)
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 20, 2014 · Synced Sep 25, 2026, 4:40 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of ABT-267 in Both Healthy Volunteers and Hepatitis C Virus (HCV) Genotype 1 Infected Subjects

NCT01181427
View directory record Official record
Conditions
HCV Infection
Interventions
ABT-267, Placebo, Blood Sample Collection, Cytochrome P450 inhibitor
Drug · Procedure
Lead sponsor
Abbott
Industry
Eligibility
18 Years to 65 Years
Enrollment
137 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
3
States / cities
Orlando, Florida • Waukegan, Illinois • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2012 · Synced Sep 25, 2026, 4:40 PM EDT
Not yet recruiting Early Phase 1 Interventional

Immune Checkpoint Inhibitor (ICI)-Drug-Drug Interaction (DDI) Study

NCT07389525
View directory record Official record
Conditions
Gastrointestinal Neoplasms, Genitourinary Cancer, Thoracic Cancer, Sarcoma, Melanoma
Interventions
ICI Therapy
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Sep 25, 2026, 4:40 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction Study of Ozanimod With Inhibitor or Inducer of CYP2C8 and/or CYP3A

NCT03624959
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Ozanimod, Gemfibrozil, Itraconazole, Rifampin
Drug
Lead sponsor
Celgene
Industry
Eligibility
18 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 29, 2019 · Synced Sep 25, 2026, 4:40 PM EDT
Terminated Phase 2 Interventional Results available

Celecoxib in Patients With Newly Diagnosed GBM Who Are Receiving Anticonvulsant Drugs and Undergoing RT

NCT00068770
View directory record Official record
Conditions
Brain and Central Nervous System Tumors
Interventions
radiation therapy, Celecoxib
Radiation · Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
7
States / cities
Tampa, Florida • Atlanta, Georgia • Baltimore, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2015 · Synced Sep 25, 2026, 4:40 PM EDT