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Brightline-3: A study to find out whether brigimadlin in combination with ezabenlimab helps people with advanced soft tissue sarcoma

Brightline-3: A Phase III, randomized, open-label, multi-center trial of brigimadlin + ezabenlimab compared to gemcitabine + docetaxel for second-line treatment of patients with advanced TP53 wild-type soft tissue sarcoma subtypes - Brightline-3

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2031240013
Enrollment
33
Registered
2024-04-05
Start date
2024-06-30
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

soft tissue sarcoma

Interventions

IMP administration

Sponsors

Ogawa Shintaro
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Written report from the trial central laboratory indicating TP53 wild-type status - One prior systemic regimen for advanced disease with documented progressive disease as per serial radiologic imaging - Patient willing to donate mandatory blood and tissue samples for the pharmacokinetics (PK), pharmacodynamics, and biomarker analyses (unless exemptions apply) - Presence of at least one target lesion according to RECIST Version 1.1 - Male or female patients >=18 years old - Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1 - Adequate organ function

Exclusion criteria

Exclusion criteria: - Prior treatment with immunotherapy in the context of anticancer therapy - Previous or concomitant malignancies other than the one treated in this trial within the previous 2 years, except effectively treated nonmelanoma skin cancers, carcinoma in situ of the cervix, ductal carcinoma in situ or other malignancy that is considered cured by local treatment - Any history or presence of uncontrolled gastrointestinal tract (GIT) disorders that could affect the intake and/or absorption of the trial drug (e.g., nausea, vomiting, Crohns disease, ulcerative colitis, chronic diarrhea, malabsorption) in the opinion of the investigator

Design outcomes

Primary

MeasureTime frame
PFS, OS

Secondary

MeasureTime frame
OR, DOR, DC

Countries

Germany, Japan

Contacts

Public ContactTomohiro Yamagami

Boehringer Ingelheim

medchiken.jp@boehringer-ingelheim.com+81-120-189-779

Outcome results

None listed

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