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ClinicalTrials.gov public records Last synced May 21, 2026, 8:47 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–10 of 10 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Drug Interaction Potentiation Clear all
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Drug Interaction Potentiation, Healthy
Interventions
Mifepristone 300 MG, Itraconazole 100 MG
Drug
Lead sponsor
Corcept Therapeutics
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 21, 2018 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Latent Tuberculosis, Human Immunodeficiency Virus, Rifamycins Causing Adverse Effects in Therapeutic Use, Drug Interaction Potentiation
Interventions
Doravirine (DOR), Rifapentine (RPT), Isoniazid (INH)
Drug
Lead sponsor
Walter K. Kraft
Other
Eligibility
18 Years to 60 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 26, 2020 · Synced May 21, 2026, 8:47 PM EDT
Completed No phase listed Observational
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
Not listed
Lead sponsor
Genelex Corporation
Industry
Eligibility
65 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
7
States / cities
Garden Grove, California • Denver, Colorado • Lexington, Kentucky + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2017 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Drug Interaction Potentiation
Interventions
PA21 and Losartan with Food, No PA21; Losartan with food, PA21 with food and Losartan 2 hours later
Drug
Lead sponsor
Vifor Pharma
Industry
Eligibility
20 Years to 50 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated Dec 20, 2012 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Drug Interaction Potentiation
Interventions
N91115, Rifampin
Drug
Lead sponsor
Nivalis Therapeutics, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Lakewood, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 6, 2016 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy
Interventions
PA21 and Furosemide with food, No PA21; Furosemide with food, PA21 with food and Furosemide 2hrs later
Drug
Lead sponsor
Vifor Pharma
Industry
Eligibility
20 Years to 50 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated Sep 29, 2011 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Drug Interaction Potentiation
Interventions
PA21, Digoxin
Drug
Lead sponsor
Vifor Pharma
Industry
Eligibility
20 Years to 50 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated Jan 17, 2012 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy
Interventions
PA21 and Omeprazole with food, No PA21; Omeprazole with food, PA21 with food, Omeprazole 2hrs later
Drug
Lead sponsor
Vifor Pharma
Industry
Eligibility
20 Years to 50 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated Dec 11, 2011 · Synced May 21, 2026, 8:47 PM EDT
Completed Not applicable Interventional Results available
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 May 21, 2026, 8:47 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Drug Interaction Potentiation
Interventions
PA21, Warfarin
Drug
Lead sponsor
Vifor Pharma
Industry
Eligibility
20 Years to 50 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 15, 2012 · Synced May 21, 2026, 8:47 PM EDT