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A study to test how well different doses of BI 3706674 are tolerated by people with advanced cancer in the stomach and oesophagus

Open-label dose-finding trial to explore safety, pharmacokinetics, pharmacodynamics, and efficacy of BI 3706674 given orally as monotherapy in patients with unresectable metastatic KRAS wild type amplified gastric, oesophageal, and gastroesophageal-juncti

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2030230343
Enrollment
15
Registered
2023-09-12
Start date
2023-12-12
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

GAC, EAC, and GEJAC solid tumours with KRAS wt amplification, Solid tumours of any histology

Interventions

Patients will receive BI 3706674 once daily oral administration

Sponsors

Toi Keita
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: - Patients with pathologically confirmed diagnosis of locally advanced or metastatic GAC, EAC, and GEJAC with KRAS wt amplification and documented disease progression despite at least 1 line of prior therapy Dose escalation part only: Patients with advanced or metastatic relapsed or refractory solid tumours of any histology with KRAS wt amplification or harbouring a KRAS G12V mutation who have exhausted treatment options known to prolong survival for their disease. - At least one target lesion that can be measured per RECIST version 1.1 (radiated lesions do not qualify as target lesions unless there has been demonstrated progression of the lesion after completion of radiotherapy) Dose escalation part only: Patients with no lesions measurable per RECIST version 1.1 may be included if agreed between sponsor and investigator. - Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 - Dose confirmation part only: Willingness to undergo pre- and on-treatment tumour biopsies - Adequate organ function as defined in Section 3.3.2. - All toxicities related to previous anti-cancer therapies have resolved to <= CTCAE Grade 1 prior to trial treatment administration (except for alopecia and peripheral neuropathy which must be <= CTCAE Grade 2 and amenorrhea or menstrual disorders which can be any grade)

Exclusion criteria

Exclusion criteria: - Previous anti-cancer chemotherapy within 3 weeks of the first administration of trial drug - Previous anti-cancer hormonal treatment or anti-cancer immunotherapy within 2 weeks of the first administration of trial drug - Previous treatment with RAS, MAPK or SOS1 targeting agents

Design outcomes

Primary

MeasureTime frame
Occurrence of DLTs in the MTD evaluation period

Secondary

MeasureTime frame
to document the safety and tolerability of BI 3706674, to characterise pharmacokinetics, and to evaluate preliminary efficacy signals.

Countries

America, Japan, Korea, Taiwan

Contacts

Public ContactNobuko Yamada

Nippon Boehringer Ingelheim Co., Ltd

medchiken.jp@boehringer-ingelheim.com+81-120189779

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026