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ClinicalTrials.gov public records Last synced Sep 8, 2026, 3:53 AM EDT

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Showing 1–24 of 25 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
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
Conditions
Depressive Disorder, Treatment-Resistant
Interventions
AVP-786 (d6-dextromethorphan hydrobromide and quinidine sulfate combination), Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
32
States / cities
Birmingham, Alabama • Bellflower, California • Costa Mesa, California + 26 more
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
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
387 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
111
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Little Rock, Arkansas + 78 more
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
Conditions
Schizophrenia
Interventions
Placebo, AVP-786
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
61
States / cities
Little Rock, Arkansas • Anaheim, California • Bellflower, California + 53 more
Conditions
Episodic Migraine
Interventions
Dextromethorphan and quinidine, Placebo
Drug
Lead sponsor
Cady, Roger, M.D.
Individual
Eligibility
18 Years to 65 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
5
States / cities
Rockford, Illinois • Ridgeland, Mississippi • City of Saint Peters, Missouri + 2 more
Completed Phase 2 Interventional Results available

Clinical Trial Nuedexta in Subjects With ALS

NCT01806857
Conditions
Amyotrophic Lateral Sclerosis (ALS)
Interventions
Nuedexta, Matching Placebo
Drug
Lead sponsor
Center for Neurologic Study, La Jolla, California,
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
7
States / cities
San Francisco, California • Washington D.C., District of Columbia • Grand Rapids, Michigan + 4 more
Conditions
Schizophrenia
Interventions
AVP-786, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
17
States / cities
Cerritos, California • Garden Grove, California • National City, California + 14 more
Conditions
Huntington Disease, Irritability
Interventions
Dextromethorphan/quinidine 20mg/10mg (DM/Q 20mg/10mg), Placebo
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Houston, Texas
Conditions
Healthy Volunteer
Interventions
NX-5948, Esomeprazole, Placebo, Famotidine, Midazolam, Digoxin, Rosuvastatin, Quinidine
Drug
Lead sponsor
Nurix Therapeutics, Inc.
Industry
Eligibility
19 Years to 55 Years
Enrollment
223 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
2
States / cities
Phoenix, Arizona • Lincoln, Nebraska
Conditions
Disinhibition Syndrome
Interventions
AVP-786, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
50 Years to 90 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Las Vegas, Nevada
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
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
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
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
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
Conditions
Central Neuropathic Pain, Multiple Sclerosis
Interventions
AVP-923-45, AVP-923-30, AVP-923-20, Placebo
Drug
Lead sponsor
Avanir Pharmaceuticals
Industry
Eligibility
18 Years to 85 Years
Enrollment
209 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
44
States / cities
Cullman, Alabama • Phoenix, Arizona • Berkeley, California + 40 more
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
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
Completed Phase 2 Interventional Results available

Nuedexta for the Treatment of Adults With Autism

NCT01630811
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
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
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
241 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
46
States / cities
Phoenix, Arizona • Anaheim, California • Costa Mesa, California + 36 more