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Lorlatinib for Brain metastases in ALK-Positive NSCLC Patients:a Multicenter Prospective Observational Study

Lorlatinib for Brain metastases in ALK-Positive NSCLC Patients:a Multicenter Prospective Observational Stud - LOBSTER/CJLSG2401

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000056248
Enrollment
24
Registered
2024-11-23
Start date
2024-11-21
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

Kobe Minimally Invasive Cancer Center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients with unresectable advanced or recurrent NSCLC 2) ALK-positive confirmed by validated tests 3) Age 18 or older at the time consent is obtained 4) No history of ALK-TKI treatment 5) Lorlatinib at 100 mg once daily is scheduled to be administered 6) CNS metastasis with a maximum diameter of 5 mm or more and 2 times the slice width on head MRI (contrast MRI whenever possible, within 42 days prior to registration in principle, when selecting a lesion with a long diameter of 5-10 mm, carefully check that the MRI slice thickness is half or less of the long diameter) 7) Patients who have had a chest CT scan within 42 days prior to enrollment (regardless of whether or not there are measurable lesions other than CNS metastases) 8) Expected to survive at least 12 weeks at time of enrollment

Exclusion criteria

Exclusion criteria: No exclusion criteria in this study.

Design outcomes

Primary

MeasureTime frame
Central nervous system metastases complete response rate: CNS-CR rate

Secondary

MeasureTime frame
(1) Overall survival (OS) (2) Overall response rate (ORR) (3) Progression free survival (PFS) (4) Response rate for CNS metastases (CNS-ORR) (5) Progression-free survival for CNS metastases (CNS-PFS) (6) Safety

Countries

Japan

Contacts

Public ContactTeppei Yamaguchi

Aichi Cancer Center Hospital Department of Thoracic Oncology

yteppei@aichi-cc.jp052-762-6111

Outcome results

None listed

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