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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

ClinicalTrials.gov ID: NCT03393520

Public ClinicalTrials.gov record NCT03393520. 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, 6:22 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, Parallel-design 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 will be conducted to evaluate the efficacy, safety, and tolerability of AVP-786 compared to placebo, for the treatment of agitation in participants with dementia of the Alzheimer's type.

Study identification

NCT ID
NCT03393520
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Enrollment
601 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
Oct 12, 2017
Primary completion
Nov 16, 2023
Completion
Dec 13, 2023
Last update posted
Nov 19, 2024

2017 – 2023

United States locations

U.S. sites
93
U.S. states
21
U.S. cities
71
Facility City State ZIP Site status
MD First Research #767 Chandler Arizona 85286
Liv Generations of Agritopia / CCT #573 Gilbert Arizona 85296
Liv Generations of Ahwatukee / CCT #784 Phoenix Arizona 85048
Perseverance Research Center Scottsdale Arizona 85254
Medical Advancement Center of Arizona #820 Tempe Arizona 85283
Clinical Trials Inc. Little Rock Arkansas 72205
Advanced Research Center, Inc #835 Anaheim California 92805
ATP Clinical Research, Inc #763 Costa Mesa California 92626
Paradigm Clinical Research Centers, Inc. La Mesa California 91942
Sunwise Clinical Research #831 Lafayette California 94549
Torrance Clinical Research Institute, Inc. #826 Lomita California 90717
Rohun Medical Corporation Site #770 Long Beach California 90805
Alliance for Wellness, Inc dba Alliance for Research #789 Long Beach California 90807
Havana Research Institute Pasadena California 91105
Neurology of Central Florida Rsch Ctr # 803 Altamonte Springs Florida 32714
Negron Research Services / Humanity Clinical Research #766 Aventura Florida 33180
SFM Clinical Research, LLC #563 Boca Raton Florida 33487
Helix Biomedics LLC Boynton Beach Florida 33436
Bradenton Research Center #834 Bradenton Florida 34205
Clinical Research of Brandon #838 Brandon Florida 33511
ASCLEPES Research Center #806 Brooksville Florida 34613
Beautiful Minds Clinical Research Center #808 Cutler Bay Florida 33157
Science Connections, LLC #814 Doral Florida 33178
ConSalud Medical Research #773 Hialeah Florida 33012
Direct Helpers Research Center # 801 Hialeah Florida 33012
New Med Research Inc #812 Hollywood Florida 33020
Alphab Global Research #793 Jupiter Florida 33458
Alzheimer's Research and Treatment Center Lake Worth Florida 33449
Meridien Research - Lakeland Site Site #558 Lakeland Florida 33805
Zynak Clinical Services Lauderdale Lakes Florida 33313
Adaptive Clinical Research, Inc. Site# 815 Lauderhill Florida 33319
Innovative Clinical Research, Inc Site #819 Lauderhill Florida 33319
Homestead Associates in Research #797 Miami Florida 33032
Premier Clinical Research Institute, Inc. #817 Miami Florida 33122
Central Miami Medical Institute # 798 Miami Florida 33125
Project4Research #774 Miami Florida 33125
City Medical Group RC Miami Florida 33126
Finlay Medical Research Corp #552 Miami Florida 33126
First Class Medical Services #807 Miami Florida 33126
Miami Jewish Health Systems, Inc. #786 Miami Florida 33137
New Horizon Research Center Site #795 Miami Florida 33165
Reliant Medical Research, LLC #811 Miami Florida 33165
Clinical Research Associates of South Florida Miami Florida 33172
P&S Research, LLC #805 Miami Florida 33175
Pharmax Research of South Florida Miami Florida 33175
Research Institute of West Kendall Miami Florida 33186
Crystal Biomedical Research, LLC Miami Lakes Florida 33014
Agility Medical Research, Inc Site #816 Miami Lakes Florida 33016
Bayside Clinical Research New Port Richey Florida 34655
Combined Research Orlando #799 Orlando Florida 32807
Innovation Medical Research Center #802 Palmetto Florida 33157
Quantum Laboratories Site #768 Pompano Beach Florida 33064
Neurostudies Inc. Site# 796 Port Charlotte Florida 33952
VICIS Clinical Research Inc. #777 Tampa Florida 33615
Academic Alliance in Dermatology Tampa Florida 33617
JSV Clinical Research Study, Inc. #829 Tampa Florida 33634
NeuroStudies. Net, LLC Decatur Georgia 30033
Hawaii Pacific Neuroscience #833 Honolulu Hawaii 96817
DelRicht Research #776 Covington Louisiana 70443
Alzheimer Disease Center #804 Braintree Massachusetts 02184
Neurobehavioral Medicine Group #828 Bloomfield Michigan 48302
Onyx Clinical Research, LLC Caro Michigan 48723
Oakland Medical Research #762 Troy Michigan 48085
Precise Research Centers Site #765 Flowood Mississippi 39232
Galen Research Site #550 Chesterfield Missouri 63005
Psychiatric Care and Research Center #827 O'Fallon Missouri 63368
Bio Behavioral Health Toms River New Jersey 08755
Mid Hudson Medical Research, PLLC #836 New Windsor New York 12553
Nathan S. Kline Institute for Psychiatric Research Orangeburg New York 10962
Five Towns Neurology PC/Village Site #764 Woodmere New York 11598
The Neurological Institute #843 Charlotte North Carolina 28204
New Hope Clinical Research Charlotte North Carolina 28211
Insight Clinical Trials LLC #570 Beachwood Ohio 44122
Valley Medical Research Site#788 Centerville Ohio 45459
Osumc #837 Columbus Ohio 43221
NorthStar Medical Research #778 Middleburg Heights Ohio 44130
Onyx Clinical Research, LLC Youngstown Ohio 44505
Newton Clinical Research Oklahoma City Oklahoma 73102
Orenda Research & Consulting LLC #840 Oklahoma City Oklahoma 73170
Keystone Clinical Studies, LLC Norristown Pennsylvania 19403
Trinity Universal Research Associates Site #821 Carrollton Texas 75007
Texas Neurology #832 Dallas Texas 75206
InSite Clinical Research DeSoto Texas 75115
Bio Pharma Informatic LLC Site #822 Houston Texas 77043
Bio Pharma Informatic Inc Site #769 Houston Texas 77084
Katy Neurology #823 Katy Texas 77450
Northpointe Psychiatry #761 Lewisville Texas 75057
Wellness Clinical Research #824 McKinney Texas 75071
PRX Research Site #825 Mesquite Texas 75149
Wasatch Clinical Research, LLC Site #771 Salt Lake City Utah 84107
Northwest Clinical Research Center Bellevue Washington 98007
Core Clinical Research # 772 Everett Washington 98201
IPC Research Waukesha Wisconsin 53188

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 118 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03393520, 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 Nov 19, 2024 · Synced Sep 1, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03393520 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →