ACP-211 Monotherapy for Major Depressive Disorder With Inadequate Antidepressant Response

ClinicalTrials.gov ID: NCT07284667

Public ClinicalTrials.gov record NCT07284667. 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.

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ClinicalTrials.gov public records Last synced May 19, 2026, 6:26 AM 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 Double-Blind, Placebo-Controlled, Parallel Group, Efficacy and Safety Study of ACP-211 Monotherapy in Adults With Major Depressive Disorder and Inadequate Response to Antidepressant Treatment

Study identification

NCT ID: NCT07284667
Recruitment status: Recruiting
Study type: Interventional
Phase: Phase 2
Lead sponsor: ACADIA Pharmaceuticals Inc.; Industry
Enrollment: 153 participants

Conditions and interventions

Conditions

Interventions

ACP-211 Drug
Placebo Drug

Drug

Eligibility (public fields only)

Age range: 18 Years to 65 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: Nov 13, 2025
Primary completion: Jul 31, 2027
Completion: Aug 31, 2027
Last update posted: May 7, 2026

2025 – 2027

United States locations

U.S. sites: 16
U.S. states: 10
U.S. cities: 16

Facility	City	State	ZIP	Site status
University of Alabama at Birmingham	Birmingham	Alabama	35294	Recruiting
Inland Psychiatric Medical Group	Chino	California	91710	Recruiting
PNS Clinical Research LLC dba ATP Clinical Research	Orange	California	92866	Recruiting
Mountain View Clinical Research	Denver	Colorado	80209	Recruiting
The Medici Medical Research	Hollywood	Florida	33021	Recruiting
Sandhill Research, LLC/DBA Accel Research Sites	Largo	Florida	33777	Recruiting
Clinical Neuroscience Solutions, Inc.	Orlando	Florida	32801	Recruiting
IPTB Clinical Research	Tampa	Florida	33629	Recruiting
Neuroscience Research Institute, Inc.	West Palm Beach	Florida	33407	Recruiting
Vitalix Clinical, Inc.	Worcester	Massachusetts	01608	Recruiting
Redbird Research LLC	Las Vegas	Nevada	89134	Recruiting
CenExel Hassman Research Institute, LLC	Marlton	New Jersey	08053	Recruiting
Integrative Clinical Trials LLC	Brooklyn	New York	11229	Recruiting
Neuro-Behavioral Clinical Research	North Canton	Ohio	44720	Recruiting
Dynamed Clinical Research LP d/b/a DM Clinical Research	Houston	Texas	77081	Recruiting
Olympus Clinical Research, LLC	Katy	Texas	77450	Recruiting

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

About this trial record page

What this page shows: Public field values for ClinicalTrials.gov record NCT07284667, 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 7, 2026 · Synced May 19, 2026

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The complete protocol, eligibility criteria, and contact information for NCT07284667 live on ClinicalTrials.gov.

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