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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

ClinicalTrials.gov ID: NCT04408755

Public ClinicalTrials.gov record NCT04408755. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 1, 2026, 10:12 PM EDT

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

Official title

A Phase 3, Multicenter, Randomized, Double-blind, Placebo-controlled Study to Assess 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

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study was conducted to evaluate the efficacy, safety, and tolerability of AVP-786 (deudextromethorphan hydrobromide \[d6-DM\]/quinidine sulfate \[Q\]) compared to placebo for the treatment of agitation in participants with dementia of the Alzheimer's type.

Study identification

NCT ID
NCT04408755
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 3
Enrollment
184 participants

Conditions and interventions

Eligibility (public fields only)

Age range
50 Years to 90 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jul 12, 2020
Primary completion
Jun 26, 2024
Completion
Jun 26, 2024
Last update posted
May 29, 2025

2020 – 2024

United States locations

U.S. sites
45
U.S. states
14
U.S. cities
36
Facility City State ZIP Site status
Clinical Research Site #840-081 Fort Smith Arkansas 72901
Clinical Research Site #840-035 La Jolla California 92093
Clinical Research Site #840-084 Los Angeles California 70072
Clinical Research Site #840-050 Oceanside California 92056
Clinical Research Site #840-064 Pasadena California 91105
Clinical Research Site #840-098 Santa Ana California 92705
Clinical Research Site #840-090 Basalt Colorado 81621
Clinical Research Site #840-009 Atlantis Florida 33462
Clinical Research Site #840-056 Brandon Florida 33511
Clinical Research Site #840-020 Coral Gables Florida 33134
Clinical Research Site #840-059 Doral Florida 33166
Clinical Research Site #840-131 Hialeah Florida 33012
Clinical Research Site #840-039 Jacksonville Florida 32256
Clinical Research Site #840-012 Kissimmee Florida 34744
Clinical Research Site #840-069 Maitland Florida 32751
Clinical Research Site #840-083 Maitland Florida 32751
Clinical Research Site #840-118 Miami Florida 33032
Clinical Research Site #840-004 Miami Florida 33126
Clinical Research Site #840-125 Miami Florida 33126
Clinical Research Site #840-104 Miami Florida 33144
Clinical Research Site #840-133 Miami Florida 33165
Clinical Research Site #840-042 Miami Florida 33175
Clinical Research Site #840-003 Miami Florida 33467
Clinical Research Site #840-036 Orlando Florida 32819
Clinical Research Site 840-111 Pembroke Pines Florida 33024
Clinical Research Site #840-096 Pensacola Florida 32503
Clinical Research Site Pompano Beach Florida 33064
Clinical Research Site #840-079 Tampa Florida 33614
Clinical Research Site #840-112 Tampa Florida 33615
Clinical Research Site #840-046 Tampa Florida 33634
Clinical Research Site #840-107 West Palm Beach Florida 33407
Clinical Research Site #840-049 Glen Burnie Maryland 21061
Clinical Research Site #840-093 Rochester Hills Michigan 48307
Clinical Research Site #840-015 Hattiesburg Mississippi 39401
Clinical Research Site #840-029 West Long Branch New Jersey 07764
Clinical Research Site #840-072 New Windsor New York 12553
Clinical Research Site #840-097 The Bronx New York 10466
Clinical Research Site #840-095 Monroe North Carolina 28112
Clinical Research Site #840-060 Canton Ohio 44718
Clinical Research Site #840-028 Columbus Ohio 43210
Clinical Research Site #840-061 Edmond Oklahoma 73012
Clinical Research Site #840-099 Tulsa Oklahoma 74136
Clinical Research Site #840-115 McKinney Texas 75069
Clinical Research Site The Woodlands Texas 77381
Clinical Research Site #840-025 Richmond Virginia 23236

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 50 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04408755, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted May 29, 2025 · Synced Sep 1, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04408755 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →