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A Study to Test Different Doses of BI 3923948 Alone and in Combination With an Anti-PD-1 Antibody in People With Different Types of Advanced Cancer (Solid Tumors)

Phase I Open-label Dose Escalation Trial of BI 3923948 Monotherapy and in Combination With an Anti-PD-1 mAb in Patients With Advanced, Unresectable and/or Metastatic Solid Tumors

Status
Not yet recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07395258
Enrollment
60
Registered
2026-02-09
Start date
2026-03-30
Completion date
2032-02-12
Last updated
2026-03-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Solid Tumors

Brief summary

This study is open to adults aged 18 and over or above legal age with different types of recurrent advanced cancer (solid tumors) that have spread to other parts of the body and that are accessible for injection and biopsy. This is a study for people for whom previous treatment was not successful or no treatment exists, with a life expectancy of at least 3 months after starting study treatment. The purpose of this study is to find the highest dose of a medicine called BI 3923948, that people with advanced cancer can tolerate, when taken alone and together with a type of antibody called a checkpoint inhibitor (anti-programmed cell death protein 1 antibody). Another purpose is to check whether the study treatment can fight cancer. In this study, BI 3923948 is given to people for the first time. This study has 2 arms. In Arm A, participants get BI 3923948 alone for up to 3 months. In Arm B, participants get BI 3923948 in combination with a checkpoint inhibitor. Participants who take the combination treatment get BI 3923948 for up to 3 months and a checkpoint inhibitor for up to 1 year. BI 3923948 is given as injection(s) into the tumor, and the checkpoint inhibitor is given as an infusion into a vein. Participants get the medicines about every 3 weeks. This is called a treatment cycle. Only in treatment cycle 1 will participants get BI 3923948 twice in the first week. Participants visit the site study site regularly. The number of study visits vary based on the study arm and treatment response. Some visits include an overnight stay. The doctors regularly check the participants' health and monitor the tumors. The doctors closely check the health of the participants and also take note of any health problems that could have been caused by the study treatment.

Interventions

DRUGBI 3923948

BI 3923948

Ezabenlimab

Sponsors

Boehringer Ingelheim
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Measurable disease as defined per Response Evaluation Criteria in Solid Tumors (RECIST) 1.1. 2. Patient has 1 or more accessible lesions (2 or more preferred) 3. Eastern Cooperative Oncology Group (ECOG) score of 0 or 1 4. Life expectancy of at least ≥3 months after the start of the treatment according to the investigator's judgement Further inclusion criteria apply.

Exclusion criteria

1. Patients with known primary brain tumors, leptomeningeal disease or untreated brain metastases. Subjects with previously treated brain metastases may participate provided the brain metastases are stable 2. Previous treatment with vesicular stomatitis virus (VSV)-based agents 3. Concomitant medication or condition considered a high risk for complications from injection 4. History of common terminology criteria for adverse events (CTCAE) v5 grade 3 or higher severe hypersensitivity reactions to previous anti-programmed cell death 1 (anti-PD-1)/anti-programmed cell death ligand 1 (PD-L1) monoclonal antibody (mAb) (Arm B only) Further

Design outcomes

Primary

MeasureTime frame
Occurrence of Dose-limiting toxicities (DLTs) during the primary DLT evaluation periodup to 3 weeks

Secondary

MeasureTime frame
Occurrence of DLTs during the on-treatment periodup to 12 months
Occurrence of Adverse Events (AEs) during the on-treatment periodup to 12 months

Countries

France, Germany, Spain, Sweden, United States

Contacts

CONTACTBoehringer Ingelheim
clintriage.rdg@boehringer-ingelheim.com1-800-243-0127

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 28, 2026