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JCOG2506: A phase III trial comparing MET inhibitors and immune checkpoint inhibitor with or without chemotherapy for patients with advanced non-small cell lung cancer harboring MET exon.14 skipping mutation.

JCOG2506: A randomized phase III trial comparing MET inhibitors versus immune checkpoint inhibitor with or without chemotherapy as first-line treatment for patients with advanced non-small cell lung cancer harboring MET exon.14 skipping mutation. - DECIDE-MET

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT1031260225
Enrollment
100
Registered
2026-06-15
Start date
2026-06-15
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

Non-small cell lung cancer

Interventions

Arm A: MET tyrosine kinase inhibitors Tepotinib or capmatinib (Physician's choice) Arm B: Immune checkpoint inhibitors with or without platinum-based chemotherapy - If PD-L1 TPS >= 50%: Pembrolizuma

Sponsors

GOTO Yasushi
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Cytologically or histologically confirmed non-small cell lung cancer. (2) Fulfillment of at least one of the following criteria (i)-(iii): (i) Previously untreated clinical stage III disease without an indication for definitive thoracic radiotherapy or stage IV disease. (ii) Postoperative recurrent disease without prior systemic therapy or with perioperative therapy completed at least 168 days before enrollment (adjuvant UFT was permitted regardless of the interval) (iii)Recurrent disease after definitive radiotherapy completed at least 168 days before enrollment. (3) Presence of MET exon 14 skipping mutation. (4) Absence of known driver gene mutations other than MET exon 14 skipping. (5) Age 18 years or older. (6) Eastern Cooperative Group performance status of 0 or 1. (7) No requirement for measurable lesions. (8) No prior treatment with immune checkpoint inhibitors or MET tyrosine kinase inhibitors, including MET-targeted antibodies. (9) Eligibility regardless of PD-L1 expression status. (10) Completion of the protocol-specified washout period following supportive care, such as palliative radiotherapy, whole-brain radiotherapy, or drainage, before enrollment. (11) No symptomatic central nervous system metastases at enrollment. (12) No evidence of interstitial lung disease on chest computed tomography. (13) No active or documented history of autoimmune or inflammatory disorders. (14) Ability to take oral medication. (15) Adequate organ and bone marrow function. (16) Provision of written informed consent.

Exclusion criteria

Exclusion criteria: (1) Synchronous or metachronous malignancy within the previous 2 years, except for intramucosal tumors curatively treated with local therapy. (2) Active infectious disease requiring systemic treatment. (3) Body temperature of 38 degrees Celsius or higher at enrollment. (4) Pregnant or lactating females, females within 28 days postpartum, or males planning conception with their partner. (5) Psychiatric disorders or symptoms that interfere with daily life and preclude participation in the study. (6) Receiving continuous systemic administration (oral or intravenous) of steroids at a dose exceeding 10 mg/day of prednisone equivalent or other immunosuppressive drugs. (7) Uncontrolled diabetes mellitus. (8) History of unstable angina or myocardial infarction within the past 6 months. (9) Uncontrolled valvular heart disease, dilated cardiomyopathy, or hypertrophic cardiomyopathy. (10) Presence of clinically significant arrhythmia on electrocardiography. (11) Positive serology for hepatitis B surface antigen, hepatitis C virus antibody, or human immunodeficiency virus antibody. (12) Known allergy or hypersensitivity to any of the study drugs or their excipients.

Design outcomes

Primary

MeasureTime frame
Overall survival

Secondary

MeasureTime frame
Progression-free survival, duration of response, objective response rate, adverse events, serious adverse events, the incidence of grade >=3 non-hematologic adverse events, the incidence of grade >= 2 non-hematologic adverse events, quality of life score (EORTC QLQ-C30), post-crossover progression-free survival, post-crossover adverse events.

Contacts

Public ContactEriko SATOMI

National Cancer Center Hospital

CRL_office@ml.res.ncc.go.jp+81-3-3547-5293

Outcome results

None listed

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