A Study to Test Different Doses of BI 1823911 Alone and Combined With Other Medicines in People With Different Types of Advanced Cancer With KRAS Mutation

Running, not enrolling · Phase 1

Conditions studied: Solid Tumors, KRAS Mutation

In brief

This study is open to adults with different types of advanced or metastatic cancer (including lung cancer, colorectal cancer, pancreatic cancer, and bile duct cancer). This study is for people for whom previous treatment was not successful or no treatment exists. People who have a tumour with a KRAS mutation can participate in the study. A KRAS mutation makes tumours grow faster. BI 1823911 and BI 1701963 are medicines that may turn off KRAS, each in a different way. In this study, BI 1823911 is given to people for the first time. The purpose of this study is to find the highest dose of BI 1823911 that people can tolerate when taken alone and together with BI 1701963. The most suitable dose is used to find out whether BI 1823911 alone and in combination with BI 1701963 can make tumours shrink. Participants can stay in the study as long as they benefit from treatment and can tolerate it. During this time, participants take tablets of BI 1823911 alone or in combination with BI 1701963 once a day. The doctors regularly monitor the size of the tumour. Doctors also regularly record any unwanted effects and check participant's health.

Key facts

Study ID: NCT04973163
Run by: Boehringer Ingelheim
People needed: 30
Starts: 2021-09-09
Expected to finish: 2026-12-27
Last updated by the study team: 2026-02-17

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

Pathologically confirmed diagnosis of locally advanced or metastatic solid tumours, e.g. adenocarcinoma of the lung, colorectal cancer, pancreatic cancer or cholangiocarcinoma. Non-small cell lung cancer (NSCLC) patients with mixed histology are eligible if adenocarcinoma is the predominant histology.
Documented disease progression despite appropriate prior standard therapies or for whom no standard therapy exists for their tumour type and disease stage.
KRAS mutation status: Kirsten rat sarcoma virus homolog (KRAS) glycine-to-cysteine (G12C) mutation in tumour tissue or blood based on previously performed local testing using a validated test.
Provision of archival tumour tissue, if available, to confirm retrospectively KRAS G12C mutation status and for biomarker assessment.
At least one target lesion that can be measured per Response Evaluation Criteria In Solid Tumours (RECIST) version 1.1 (radiated lesions do not qualify as target lesions). In patients who only have one target lesion, and a biopsy of the lesion is required, the baseline imaging must be performed before the biopsy or at the earliest two weeks after the biopsy.
Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
Adequate organ function as follows:
Absolute neutrophil count (ANC) ≥1.5 x 10\^9/L (equivalent values: ≥ 1.5 x 10³/μL or ≥ 1500/mm³); hemoglobin ≥9.0 g/dL (equivalent values: ≥ 90 g/L or ≥ 5.6 mmol/L); platelets ≥100 x 10\^9/L (equivalent values: ≥ 100 x 10³/μL or ≥ 100 x 10³/mm³) without the use of haematopoietic growth factors.
Total bilirubin ≤1.5 times the upper limit of normal (ULN), or ≤4 x ULN for patients who are known to have Gilbert's syndrome.
Creatinine ≤1.5 x ULN. If creatinine is >1.5 x ULN, patient is eligible if concurrent creatinine clearance ≥50 mL/min (equivalent value: 0.84mL/s) (measured or calculated by Cockcroft-Gault formula).
Aspartate transaminase (AST) and alanine transaminase (ALT) ≤3 x ULN, for patients with liver metastases ≤5 x ULN.
Age ≥18 years of age, or over the legal age of consent as required by local legislation.
Further inclusion criteria apply.

You may not qualify if…

Previous anticancer chemotherapy within 3 weeks of the first administration of trial drug. Previous anticancer hormonal treatment or anticancer immunotherapy within 2 weeks of the first administration of trial drug.
Previous treatment with Rat Sarcoma (RAS), Mitogen-activated protein kinase (MAPK) or Son of sevenless 1 (SOS1) targeting agents (only for monotherapy Parts A, B, and C).
Radiotherapy within 2 weeks prior to start of treatment, provided recovery from related toxicity.
Major surgery (major according to the investigator's assessment) performed within 4 weeks prior to start of treatment or planned during the projected course of the trial, e.g. hip replacement.
Previous treatment with any investigational agent(s) or targeted treatment within 28 days prior to start of treatment or 5 half-lives, whichever is shorter.
Known history of hypersensitivity to any of the excipients of BI 1823911 tablets, or any contraindication to Midazolam (for Monotherapy Part B only).
History or presence of cardiovascular abnormalities such as congestive heart failure New York Heart Association (NYHA) classification of ≥3, unstable angina or poorly controlled arrhythmia which are considered clinically relevant by the Investigator. Myocardial infarction within 6 months prior to start of treatment. Uncontrolled hypertension defined as: Blood pressure (BP) measured in a rested and relaxed condition, where systolic BP >=140 mmHg, or diastolic BP >= 90 mmHg, with or without medication.
Left ventricular ejection fraction (LVEF) <50%. Further exclusion criteria apply.

Where it is running

Memorial Sloan-Kettering Cancer Center — New York, New York, United States
Sarah Cannon Research Institute at Mary Crowley — Dallas, Texas, United States
The University of Texas MD Anderson Cancer Center — Houston, Texas, United States
Brussels - HOSP Jules Bordet — Anderlecht/Brussels-Capital, Belgium
Edegem - UNIV UZ Antwerpen — Edegem/Antwerpen, Belgium
Universitair Ziekenhuis Gent — Gent/Oost-Vlaanderen, Belgium
UZ Leuven — Leuven/Vlaams-Brabant, Belgium
Hospital Universitari Vall D Hebron — Barcelona, Spain
The Christie — Manchester, United Kingdom

Full record on ClinicalTrials.gov

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