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Completed Phase 2Phase 3 Interventional Results available

GAIN Trial: Phase 2/3 Study of COR388 in Subjects With Alzheimer's Disease

ClinicalTrials.gov ID: NCT03823404

Public ClinicalTrials.gov record NCT03823404. 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 5, 2026, 12:26 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

GAIN Trial: A Randomized, Double-Blind, Placebo-Controlled Study of COR388 in Subjects With Alzheimer's Disease

Brief summary

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

This is a randomized, double-blind, placebo-controlled study that assessed the efficacy, safety, and tolerability of 2 dose levels of COR388 in subjects with a clinical diagnosis of mild to moderate Alzheimer's disease (AD) dementia.

Study identification

NCT ID
NCT03823404
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2, Phase 3
Lead sponsor
Cortexyme Inc.
Industry
Enrollment
643 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
55 Years to 80 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
Mar 27, 2019
Primary completion
Dec 31, 2021
Completion
Dec 31, 2021
Last update posted
Feb 22, 2023

2019 – 2022

United States locations

U.S. sites
58
U.S. states
21
U.S. cities
51
Facility City State ZIP Site status
Xenoscience, Inc. Phoenix Arizona 85004
Banner Alzheimer's Institute Phoenix Arizona 85006
Banner Sun Health Sun City Arizona 85351
ATP Clinical Research, Inc. Costa Mesa California 92626
Alliance Research Long Beach California 90807
Standford University Palo Alto California 94305
CITRIALS Riverside California 92506
CITRIALS Santa Ana California 92705
Syrentis Clinical Research Santa Ana California 92705
Southern California Research LLC Simi Valley California 93065
JEM Research Institute Atlantis Florida 33462
Brain Matters Research Delray Beach Florida 33445
Neuropsychiatric Research Center of Southwest Florida Fort Myers Florida 33912
MD Clinical Hallandale Florida 33009
Indago Research and Health Center, Inc. Hialeah Florida 33012
Alzheimer's Research and Treatment Center Lake Worth Florida 33449
Qtrials, Inc. Miami Florida 33144
Future Care Solutions, LLC Miami Florida 33165
Miami Dade Medical Research Institute Miami Florida 33176
Sensible Healthcare LLC Ocoee Florida 34761
Bioclinica Research Orlando Florida 32806
Anchor Neuroscience Pensacola Florida 32502
Suncoast Neuroscience Associates, Inc. St. Petersburg Florida 33713
Brain Matters Research at the Kane Center Stuart Florida 34997
Stedman Clinical Trials Tampa Florida 33613
Columus Memory Center Columbus Georgia 31909
NeuroStudies.net, LLC Decatur Georgia 30033
Northwest Clinical Trials Boise Idaho 83704
Alexian Brothers Neurosciences Research Elk Grove Village Illinois 60007
Ascension Via Christi Research Wichita Kansas 67214
Activmed Practices and Research Methuen Massachusetts 01844
The Boston Center for Memory Newton Massachusetts 02459
Anil Nair MD, Alzheimer's Disease Center Quincy Massachusetts 02169
Memory Center Hattiesburg Mississippi 39401
Cleveland Clinic Lou Ruvo Center for Brain Health Las Vegas Nevada 89106
Princeton Medical Institute Princeton New Jersey 08540
The Cognitive Research Center of New Jersey Springfield New Jersey 07081
Neurology Specialists of Monmouth County West Long Branch New Jersey 07764
Albuquerque Neuroscience Albuquerque New Mexico 87109
Disease Research & Neurology Center of Neurological Associates of Albany Albany New York 12208
Integrative Clinical Trials LLC Brooklyn New York 11229
Spri Clinicaltrials, Llc Brooklyn New York 11235
Mid Hudson Medical Research New Windsor New York 12553
ANI Neurology, PLLC dba Alzheimer's Memory Center Charlotte North Carolina 28270
Insight Clinical Trials, LLC Beachwood Ohio 44122
Neurology Diagnostics Inc. Dayton Ohio 45459
Memory Health Center at Summit Research Network Portland Oregon 97210
Northeastern Pennsylvania Memory and Alzheimer's Center Plains Pennsylvania 18507
Senior Adults Specialty Research Austin Texas 78757
Kerwin Research Center Dallas Texas 75231
Neurology Consultants of Dallas Dallas Texas 75243
Houston Methodist Department of Neurology Houston Texas 77030
Clinical Trial Network Houston Texas 77074
University of Virginia Adult Neurology Charlottesville Virginia 22903
Recognition Health Fairfax Virginia 22031
Northwest Clinical Research Center Bellevue Washington 98007
UW Alzheimer's Disease Research Center Seattle Washington 98104
Medical College of Wisconsin, Inc. Milwaukee Wisconsin 53226

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 35 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03823404, 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 Feb 22, 2023 · Synced Sep 5, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03823404 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →