General information
  • Disease category Head and Neck Cancer (BASEC)
  • Recruitment status recruitment ongoing (BASEC/ICTRP)
  • Trial sites
    Aarau, Lausanne, Zurich
    (BASEC)
  • Contact Prof. Patrick Roth patrick.roth@usz.ch (BASEC)
  • Data Source(s) BASEC: Import from 29.05.2026 ICTRP: N/A
  • Last update 29.05.2026 11:45
HumRes63260 | SNCTP000005653 | BASEC2023-01089

A study to investigate how well BI 764532, at different doses, is tolerated by individuals with DLL3-positive brain tumors

  • Disease category Head and Neck Cancer (BASEC)
  • Recruitment status recruitment ongoing (BASEC/ICTRP)
  • Trial sites
    Aarau, Lausanne, Zurich
    (BASEC)
  • Contact Prof. Patrick Roth patrick.roth@usz.ch (BASEC)
  • Data Source(s) BASEC: Import from 29.05.2026 ICTRP: N/A
  • Last update 29.05.2026 11:45

Summary description of the study

This study has two parts, Part A (dose escalation) and Part B (dose expansion). This information and consent form is for study participants who are participating in Part A (dose escalation).
Part A of this study aims to determine how well different doses of the investigational drug BI 764532 are tolerated by patients with a brain tumor that is positive for a tumor marker called "DLL3" and has progressed after treatment with standard therapies.
Part A of this study will also evaluate how effective the treatment is based on clinical response (whether it can treat your tumor or prevent it from worsening), as well as based on various biomarkers (characteristics of the body that can be measured) in the blood and tumor tissue. It will also test how quickly or slowly the investigational drug is processed by your body and eliminated.
The collected data were used to determine the recommended dose for Part B (dose expansion) of the study.
In Part B (dose expansion), it will now be further evaluated how well the recommended dose indicated in Part A (dose escalation) is tolerated. As in Part A of this study, Part B will also evaluate the effectiveness of the treatment based on clinical response (whether it can treat your tumor or prevent worsening) as well as based on various biomarkers (body characteristics that can be measured) in the blood and tumor tissue. It will also test how quickly or slowly the investigational drug is processed by your body and eliminated.

(BASEC)

Intervention under investigation

In this study, we want to find out what effect the investigational drug BI 764532 has on patients with tumor tissue confirmed as DLL3-positive.

(BASEC)

Disease under investigation

DLL3-positive brain tumors

(BASEC)

Criteria for participation in trial

• Age: 18 years and older
• Confirmed diagnosis of a brain tumor with evidence of the biomarker Delta-like Protein 3 (DLL3)
• Availability of tumor tissue for analysis of DLL3 protein expression and IDH 1/2 mutation
• Patients with histologically confirmed primary progressive diffuse gliomas for whom standard therapies have failed
• Willingness to undergo all required study procedures

(BASEC)


Exclusion criteria

• Previous treatment with therapies targeting DLL3
• Patients have been diagnosed with an immunodeficiency or are taking any medications for the treatment of immunodeficiency within 7 days prior to the first dose of BI 764532 (especially systemic corticosteroids at a dose greater than 2.5 mg of dexamethasone per day or something comparable).
• Radiation therapy within the last three months prior to the diagnosis of disease progression, unless the tumor progression is clearly outside the radiation field or is clearly demonstrated by surgery/biopsy.
• Patients with implanted pacemakers, defibrillators, or other implanted metallic or electronic devices, as these would interfere with MRI imaging.

(BASEC)

Trial sites

Aarau, Lausanne, Zurich

(BASEC)

not available

Sponsor

Boehringer Ingelheim International GmbH

(BASEC)

Contact

Contact Person Switzerland

Prof. Patrick Roth

+41 44 255 55 21

patrick.roth@usz.ch

Universitätsspital Zürich

(BASEC)

Scientific Information

not available

Name of the authorising ethics committee (for multicentre studies, only the lead committee)

Ethics Committee Zurich

(BASEC)

Date of authorisation

29.09.2023

(BASEC)


ICTRP Trial ID
not available

Official title (approved by ethics committee)
Eine unverblindete, multizentrische Phase-Ib-Dosiseskalationsstudie zu BI 764532, verabreicht als Monotherapie in wiederholten intravenösen Infusionen an Patienten mit DLL3-exprimierenden Gliomen (BASEC)

Academic title
not available

Public title
not available

Disease under investigation
not available

Intervention under investigation
not available

Type of trial
not available

Trial design
not available

Inclusion/Exclusion criteria
not available

not available

Primary and secondary end points
not available

not available

Registration date
not available

Incorporation of the first participant
not available

Secondary sponsors
not available

Additional contacts
not available

Secondary trial IDs
not available

Results-Individual Participant Data (IPD)
not available

Further information on the trial
not available

Results of the trial

Results summary

not available

Link to the results in the primary register

not available