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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Dextromethorphan 30mg Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study of Darunavir/Ritonavir and Lopinavir/Ritonavir on GSK2248761 PK and CYP450 Probe Drugs

NCT00920088
View directory record Official record
Conditions
Healthy Subjects, Infection, Human Immunodeficiency Virus
Interventions
darunavir/ritonavir, lopinavir/ritonavir, Midazolam, Dextromethorphan, Flurbiprofen, GSK2248761
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 2, 2010 · Synced Sep 2, 2026, 2:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Interactions Between Cannabinoids and Cytochrome P450-Metabolized Drugs

NCT04201197
View directory record Official record
Conditions
Drug-Interactions
Interventions
Inje cocktail, THC Cannabis extract, THC/CBD Cannabis Extract
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 23, 2023 · Synced Sep 2, 2026, 2:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Licorice Botanical Dietary Supplements - Metabolism and Safety in Women

NCT03948243
View directory record Official record
Conditions
Food-drug Interaction
Interventions
Licorice, Alprazolam 2 MG, Caffeine 100 MG, Tolbutamide 250 mg, Dextromethorphan 30mg
Dietary Supplement · Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
40 Years to 79 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 5, 2023 · Synced Sep 2, 2026, 2:03 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

A Study Evaluating the Potential of BMS-984923 to Alter the Systemic Exposure of Three Orally Administered Probe Substrates

NCT06632990
View directory record Official record
Conditions
Drug Drug Interaction (DDI)
Interventions
BMS-984923, Midazolam, Caffeine, dextromethorphan
Drug
Lead sponsor
Allyx Therapeutics
Industry
Eligibility
18 Years to 50 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced Sep 2, 2026, 2:03 AM EDT