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Clinical Trials List

Protocol Number1346-0014
NCT Number(ClinicalTrials.gov Identfier)NCT05211947
Completed

2021-10-01 - 2025-04-18

Phase III

Not yet recruiting9

Recruiting1

An open label, single arm, extension trial to examine long-term safety of BI 425809 once daily in patients with schizophrenia who have completed previous BI 425809 Phase III trials (CONNEX-X)

  • Trial Applicant

    Boehringer Ingelheim

  • Sponsor

    Boehringer Ingelheim

  • Trial scale

    Multi-Regional Multi-Center

  • Update

    2026/02/01

Investigators and Locations

Principal Investigator Yen-Kwuan Yang Division of Psychiatry

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator 陳建志 Division of Psychiatry

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator 吳泓機 Division of Psychiatry

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator 林皇利 Division of Psychiatry

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator NAN-YING CHIU 未分科

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator 朱柏全 Division of Psychiatry

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator Ya-Mei Bai Division of Psychiatry

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator Chin-Bin Yeh Division of Psychiatry

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator Chen-Chung Liu Division of Psychiatry

Co-Principal Investigator

Audit

None

Principal Investigator 陳志根 Division of Psychiatry

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Condition/Disease

schizophrenia

Objectives

The objective of this trial is to collect additional safety data in patients with cognitive impairment due to schizophrenia, who participated in and completed the 26-week treatment or matching placebo of one of the phase III clinical trial program for BI 425809(trial # 1346-0011, 1346-0012, 1346-0013)

Test Drug

BI 425809

Active Ingredient

Dosage Form

Dosage

10mg

Endpoints

The primary endpoint is the occurrence of treatment emergent
adverse events (TEAEs) throughout the extension study.
Note: TEAEs are defined as all adverse events (AE) occurring between start of treatment in the extension trial and the end of its
residual effect period (REP). AE that start before first drug intake in the extension trial and deteriorate under treatment during the extension trial will also be considered as ‘treatment-emergent’
The secondary endpoints are change from baseline in Clinical Global Impressions-Severity (CGI-S) to end of treatment (EOT) and
Change from baseline in Hb to EOT.

Inclution Criteria

 Clinically stable outpatients who have been diagnosed with
• Clinically stable outpatients who have been diagnosed with schizophrenia (as per Diagnostic and Statistical Manual of Mental Disorders, 5th edition (DSM-5)).
• Patients, who completed 26 weeks of treatment in the parent trial, must enter the extension trial:
o Within 2 weeks the end of treatment visit in 1346-0011,1346-0013.
o At the end of safety follow up in 1346-0012.
• Have a study partner, defined as any person capable of understanding trial related procedures, with a minimum of 8th grade level of education, who knows the patient well, has been capable of interacting with the patient on a regular basis.
Preferably be the same person throughout the study.

Exclusion Criteria

Main Exclusion criteria:
• Participant who developed DSM-5 diagnosis other than Schizophrenia or any condition that would prevent the patient
from participating in the extension trial
• Any suicidal behavior and/ or suicidal ideation of type 5 based on the C-SSRS in parent trial and up to and including Visit 1 of
this study.
• Patients diagnosed with moderate or severe substance use disorder
• Haemoglobin- Hb drop below 100g/L (10g/dL) OR Hb decrease of 25% or more from baseline and is below lower limit of normal in parent trial (alert 3 from last measure Hb in parental trial)
• Patients who have been diagnosed with hemoglobinopathies during the parent trial.

The Estimated Number of Participants

  • Taiwan

    50 participants

  • Global

    1400 participants