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ClinicalTrials.gov public records Last synced Oct 23, 2026, 4:17 PM EDT

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Showing 1–24 of 52 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: quinidine Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study Between AVP-923 and Itraconazole and Between AVP-786 and Itraconazole in Healthy Adult Subejcts

NCT02402595
View directory record Official record
Conditions
Healthy
Interventions
AVP-923, AVP-786, Itraconazole
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Oct 23, 2026, 4:17 PM EDT
Completed Phase 3 Interventional

Safety and Efficacy of Dextromethorphan and Quinidine in the Treatment of the Pain of Diabetic Neuropathy

NCT00113620
View directory record Official record
Conditions
Pain, Diabetic Neuropathy
Interventions
Neurodex
Drug
Lead sponsor
Avanir Pharmaceuticals
Industry
Eligibility
18 Years to 80 Years
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
44
States / cities
Mesa, Arizona • Sun City, Arizona • Hot Springs, Arkansas + 39 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2016 · Synced Oct 23, 2026, 4:17 PM EDT
Terminated Phase 3 Interventional Results available

Assessment of the Efficacy, Safety, and Tolerability of AVP-786 for the Treatment of Agitation in Patients With Dementia of the Alzheimer's Type

NCT04408755
View directory record Official record
Conditions
Agitation in Patients With Dementia of the Alzheimer's Type
Interventions
AVP-786, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
50 Years to 90 Years
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
45
States / cities
Fort Smith, Arkansas • La Jolla, California • Los Angeles, California + 33 more
Source: ClinicalTrials.gov public record
Updated May 30, 2025 · Synced Oct 23, 2026, 4:17 PM EDT
Completed Phase 3 Interventional Results available

Efficacy, Safety, and Tolerability of AVP-786 for the Treatment of Agitation in Participants With Dementia of the Alzheimer's Type

NCT02442778
View directory record Official record
Conditions
Agitation in Participants With Dementia of the Alzheimer's Type
Interventions
AVP-786-18, Placebo, AVP-786-28, AVP-786-42.63
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
50 Years to 90 Years
Enrollment
522 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
79
States / cities
Chandler, Arizona • Tucson, Arizona • Fayetteville, Arkansas + 55 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2022 · Synced Oct 23, 2026, 4:17 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study Between EDP-514, Itraconazole, Carbamazepine, and Quinidine in Healthy Subjects

NCT04783753
View directory record Official record
Conditions
Hepatitis B
Interventions
EDP-514, Itraconazole, Carbamazepin, Quinidine
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 16, 2021 · Synced Oct 23, 2026, 4:17 PM EDT
Completed Phase 2 Interventional Results available

Efficacy, Safety and Tolerability Study of AVP-923 (Dextromethorphan/Quinidine) for Treatment of Symptoms of Agitation in Participants With Alzheimer's Disease

NCT01584440
View directory record Official record
Conditions
Agitation, Alzheimer's Disease
Interventions
AVP-923-20, Placebo, AVP-923-30
Drug
Lead sponsor
Avanir Pharmaceuticals
Industry
Eligibility
50 Years to 90 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
44
States / cities
Phoenix, Arizona • Sun City, Arizona • Fresno, California + 36 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2021 · Synced Oct 23, 2026, 4:17 PM EDT
Completed Not applicable Interventional Results available

Ablation vs Drug Therapy for Atrial Fibrillation - Pilot Trial

NCT00578617
View directory record Official record
Conditions
Atrial Fibrillation, Arrhythmia
Interventions
Rate Control, Ablation Therapy, Rhythm control
Drug · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
10
States / cities
Birminham, Alabama • Los Angeles, California • Maywood, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 4, 2013 · Synced Oct 23, 2026, 4:17 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Effect of Genotype on LY2216684

NCT01460381
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
LY2216684, Quinidine
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 26, 2018 · Synced Oct 23, 2026, 4:17 PM EDT
Completed Phase 3 Interventional

Safety Study of AVP-923 in the Treatment of IEED (Involuntary Emotional Expression Disorder) Also Known as Pseudobulbar Affect (Episodes of Uncontrolled Crying and/or Laughter)

NCT00056524
View directory record Official record
Conditions
Alzheimer's Disease, Stroke, Parkinson's Disease, Traumatic Brain Injury
Interventions
AVP-923
Drug
Lead sponsor
Avanir Pharmaceuticals
Industry
Eligibility
18 Years to 80 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
39
States / cities
Phoenix, Arizona • La Jolla, California • Los Angeles, California + 31 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2016 · Synced Oct 23, 2026, 4:17 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate MK-4208/Embibatinib in Healthy Adult Participants (MK-4208-001/Embibatinib-1014)

NCT07838987
View directory record Official record
Conditions
Healthy
Interventions
Embibatinib, Rabeprazole, Midazolam, Digoxin, Pravastatin, Montelukast, Omeprazole, Itraconazole, Warfarin, Rosuvastatin, Bosentan, Quinidine
Drug
Lead sponsor
Terns, Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years to 65 Years
Enrollment
196 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Millcreek, Utah
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 23, 2026, 4:17 PM EDT
Completed Phase 3 Interventional

Assessment of the Efficacy, Safety, and Tolerability of AVP-786 (Deudextromethorphan Hydrobromide [d6-DM]/Quinidine Sulfate [Q]) for the Treatment of Agitation in Patients With Dementia of the Alzheimer's Type

NCT03393520
View directory record Official record
Conditions
Agitation in Patients With Dementia of the Alzheimer's Type
Interventions
Placebo, AVP-786
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
50 Years to 90 Years
Enrollment
601 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
93
States / cities
Chandler, Arizona • Gilbert, Arizona • Phoenix, Arizona + 68 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2024 · Synced Oct 23, 2026, 4:17 PM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of AVP-923 in the Treatment of Levodopa-induced Dyskinesia in Parkinson's Disease Patients

NCT01767129
View directory record Official record
Conditions
Dyskinesia, Parkinson's Disease
Interventions
AVP-923-45, Placebo
Drug
Lead sponsor
Avanir Pharmaceuticals
Industry
Eligibility
30 Years to 80 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
2
States / cities
Chicago, Illinois • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 29, 2022 · Synced Oct 23, 2026, 4:17 PM EDT
Completed Phase 4 Interventional Results available

Safety, Tolerability and Effectiveness of Nuedexta in the Treatment of Pseudobulbar Affect (PBA)

NCT01799941
View directory record Official record
Conditions
Pseudobulbar Affect (PBA), Stroke, Dementia, Traumatic Brain Injury (TBI)
Interventions
Nuedexta (DM 20 mg/Q 10 mg)
Drug
Lead sponsor
Avanir Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
367 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Pensacola, Florida
Source: ClinicalTrials.gov public record
Updated Mar 15, 2017 · Synced Oct 23, 2026, 4:17 PM EDT
Terminated Phase 4 Interventional Results available

Effectiveness, Safety, and Health-Related Outcomes of NUEDEXTA® in Nursing Home Patients With Pseudobulbar Affect (PBA)

NCT02496039
View directory record Official record
Conditions
Pseudobulbar Affect (Involuntary Laughing and/or Crying)
Interventions
NUEDEXTA®
Drug
Lead sponsor
Avanir Pharmaceuticals
Industry
Eligibility
18 Years to 90 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
2
States / cities
Miami, Florida • Centerville, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 3, 2017 · Synced Oct 23, 2026, 4:17 PM EDT
Completed Phase 2 Interventional Results available

Nuedexta for the Treatment of Adults With Autism

NCT01630811
View directory record Official record
Conditions
Autism
Interventions
Nuedexta, Placebo
Drug · Other
Lead sponsor
Sutter Health
Other
Eligibility
18 Years to 60 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Dec 8, 2017 · Synced Oct 23, 2026, 4:17 PM EDT
Completed Phase 3 Interventional

Safety/Efficacy of AVP-923 in the Treatment of Emotional Lability (Uncontrolled Crying & Laughing) in Patients With ALS

NCT00021697
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis
Interventions
AVP-923
Drug
Lead sponsor
Avanir Pharmaceuticals
Industry
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2002
U.S. locations
17
States / cities
Loma Linda, California • Los Angeles, California • San Francisco, California + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2016 · Synced Oct 23, 2026, 4:17 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Effect of Voriconazole and Quinidine on the Pharmacokinetics of a Single Dose of Repotrectinib in Healthy Participants

NCT06493409
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Repotrectinib, Voriconazole, Quinidine
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Aug 22, 2025 · Synced Oct 23, 2026, 4:17 PM EDT
Terminated Phase 2 Interventional Results available

Study to Assess the Efficacy, Safety, and Tolerability of AVP-786 for the Treatment of Intermittent Explosive Disorder

NCT03420222
View directory record Official record
Conditions
Intermittent Explosive Disorder
Interventions
AVP-786, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
9
States / cities
Gainesville, Florida • Atlanta, Georgia • Chicago, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated May 24, 2022 · Synced Oct 23, 2026, 4:17 PM EDT
Completed Phase 2 Interventional Results available

Study to Assess the Efficacy, Safety, and Tolerability of AVP-786 for the Treatment of Neurobehavioral Disinhibition Including Aggression, Agitation, and Irritability in Participants With Traumatic Brain Injury

NCT03095066
View directory record Official record
Conditions
Neurobehavioral Disinhibition
Interventions
Placebo, AVP-786-28, AVP-786-42.63
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
54
States / cities
Tuscaloosa, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 45 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Oct 23, 2026, 4:17 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of AVP-923 in PBA Patients With ALS or MS

NCT00573443
View directory record Official record
Conditions
Pseudobulbar Affect (PBA)
Interventions
dextromethorphan hydrobromide 20 mg and quinidine sulfate 10 mg, dextromethorphan hydrobromide 30 mg and quinidine sulfate 10 mg, Placebo
Drug
Lead sponsor
Avanir Pharmaceuticals
Industry
Eligibility
18 Years to 80 Years
Enrollment
326 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
45
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Anaheim, California + 39 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2017 · Synced Oct 23, 2026, 4:17 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study Between EDP-938, Itraconazole, Rifampin, and Quinidine in Healthy Subjects

NCT03755778
View directory record Official record
Conditions
RSV Infection
Interventions
EDP-938, Itraconazole, Rifampin, Quinidine
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 14, 2019 · Synced Oct 23, 2026, 4:17 PM EDT
Terminated Phase 3 Interventional Results available

AV Node Ablation and Pacemaker Therapy Compared to Drug Therapy for Atrial Fibrillation - Pilot Study

NCT00589303
View directory record Official record
Conditions
Atrial Fibrillation, Heart Failure
Interventions
FDA approved rate and rhythm control drugs, AV Node ablation and device implant
Drug · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
65 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
5
States / cities
Scottsdale, Arizona • Evansville, Indiana • Rochester, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2013 · Synced Oct 23, 2026, 4:17 PM EDT
Terminated Phase 3 Interventional Results available

Long Term, Extension Study of the Safety and Efficacy of AVP-786 for the Treatment of Agitation in Patients With Dementia of the Alzheimer's Type

NCT02446132
View directory record Official record
Conditions
Agitation in Patients With Dementia of the Alzheimer's Type
Interventions
AVP-786
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
50 Years to 90 Years
Enrollment
1,197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2024
U.S. locations
171
States / cities
Chandler, Arizona • Phoenix, Arizona • Scottsdale, Arizona + 103 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2025 · Synced Oct 23, 2026, 4:17 PM EDT
Withdrawn Phase 2Phase 3 Interventional

Empiric Quinidine for Asymptomatic Brugada Syndrome

NCT00789165
View directory record Official record
Conditions
Arrhythmia
Interventions
quinidine, no therapy
Drug
Lead sponsor
International Registry of Asymptomatic Brugada Syndrome
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2020
U.S. locations
1
States / cities
Wynnewood, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 13, 2020 · Synced Oct 23, 2026, 4:17 PM EDT