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Efficacy of ALK-TKIs for IHC-positive/Multiplex-negative ALK lung cancer

A Multicenter Retrospective Observational Study on the Efficacy of ALK-TKIs in ALK Fusion Positive Lung Cancer Patients With Multiplex Gene Test Negative and IHC Positive - LOGIK2502/ALKEY

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000060363
Enrollment
140
Registered
2026-01-16
Start date
2026-01-16
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

None listed

Sponsors

Kyushu University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Patients with a histological diagnosis of non-small cell lung cancer. (2) Patients who meet any of the following criteria (i) through (iv): (i) Unresectable Stage III or Stage IV, ineligible for curative radiotherapy. (ii) Postoperative recurrence. (iii) Recurrence after curative thoracic radiotherapy, occurring 168 days or more after the final day of irradiation. (iv) Postoperative pathological Stage II-III without recurrence. (3) Patients who meet the following criteria 1) and 2) for driver genes. 1) For the ALK fusion gene, meets one of the following (However, for patients with postoperative pathological Stage II-III, only those who meet (a) are eligible): (a) Tested negative by a multi-gene panel test (e.g., Oncomine, Amoy, Lung Cancer Compact Panel, etc.) performed between June 1, 2019, and March 31, 2025, and confirmed positive by ALK-IHC (e.g., iAEP, D5F3, etc.). (b) Confirmed positive by a multi-gene panel test performed between June 1, 2019, and March 31, 2025. 2) Negative or unknown status for the following: EGFR mutations, ROS1 fusion gene, BRAF V600E mutation, MET exon 14 skipping alterations, RET fusion gene, and NTRK fusion gene.

Exclusion criteria

Exclusion criteria: None

Design outcomes

Primary

MeasureTime frame
ORR

Secondary

MeasureTime frame
OS, TTF, Positivity rate of the ALK fusion gene in other modalities, Patient background that are negative by multiplex testing but positive by IHC (in comparison with cases positive by multiplex testing).

Countries

Japan

Contacts

Public ContactTaichi Matsubara

Kyushu University Hospital Thoracic Surgery

taichi.m0930@gmail.com092-642-5466

Outcome results

None listed

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