ClinicalTrials.gov record
Completed Phase 3 Interventional Results available

Clinical Trial of Iclepertin Effect on Cognition and Functional Capacity in Schizophrenia (CONNEX-1)

ClinicalTrials.gov ID: NCT04846868

Public ClinicalTrials.gov record NCT04846868. 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 May 20, 2026, 10:25 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 Phase III Randomized, Double-blind, Placebo-controlled Parallel Group Trial to Examine the Efficacy and Safety of Iclepertin Once Daily Over 26 Week Treatment Period in Patients With Schizophrenia (CONNEX-1)

Study identification

NCT ID
NCT04846868
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Boehringer Ingelheim
Industry
Enrollment
620 participants

Conditions and interventions

Conditions

Interventions

  • Iclepertin Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 50 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
Sep 7, 2021
Primary completion
Sep 16, 2024
Completion
Sep 30, 2024
Last update posted
Nov 4, 2025

2021 – 2024

United States locations

U.S. sites
18
U.S. states
9
U.S. cities
17
Facility City State ZIP Site status
Collaborative Neuroscience Network, LLC (CNS) Garden Grove California 92845
Omega Clinical Trials,LLC La Habra California 90631
Artemis Institute for Clinical Research, LLC San Diego California 92103
Velocity Clinical Research-Santa Ana-68902 Santa Ana California 92704
Institute of Living Hartford Connecticut 06106
San Marcus Research Clinic, Inc. Miami Florida 33014
CCM Clinical Research Group, LLC-Miami-68482 Miami Florida 33133
Atlanta Center Atlanta Georgia 30331
University at Buffalo, The State University of New York Buffalo New York 14215
Richmond Behavioral Associates-Staten Island-68636 Staten Island New York 10314
University of Cincinnati Cincinnati Ohio 45219
Neuro-Behavioral Clinical Research North Canton Ohio 44720
PeaceHealth Medical Group Eugene Oregon 97401
Community Clinical Research, Inc. Austin Texas 78754
InSite Clinical Research DeSoto Texas 75115
North Texas Clinical Trials Fort Worth Texas 76104
Houston Mind and Brain Houston Texas 77055
Core Clinical Research Everett Washington 98201

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 98 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04846868, 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 4, 2025 · Synced May 20, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04846868 live on ClinicalTrials.gov.

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