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OncoMatch/Clinical Trials/NCT06440954

Efficacy and Resistance Mechanisms of IP in NSCLC With Leptomeningeal Metastases

Is NCT06440954 recruiting? Yes, currently enrolling (May 2026). This Phase 2 trial studies Intrathecal pemetrexed for non-small cell lung cancer.

Phase 2RecruitingHunan Province Tumor HospitalNCT06440954Data as of May 2026

Treatment: Intrathecal pemetrexedThis is a prospective interventional study clinical study to investigate the efficacy and resistance mechanisms of intrathecal pemetrexed in patients with driver gene mutations advanced NSCLC with leptomeningeal metastases.

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Extracted eligibility criteria

Cancer type

Non-Small Cell Lung Carcinoma

Biomarker criteria

Required: ALK fusion

Required: BRAF mutation

Required: EGFR mutation

Required: KRAS mutation

Required: NTRK1 fusion

Required: NTRK2 fusion

Required: NTRK3 fusion

Required: RET fusion

Required: ROS1 fusion

Disease stage

Metastatic disease required

Performance status

ECOG 0–2(Ambulatory, capable of self-care)

Prior therapy

Must have received: tyrosine kinase inhibitor

leptomeningeal metastasis after TKI resistant

Cannot have received: intrathecal pemetrexed

Previously received intrathecal pemetrexed therapy for locally advanced or metastatic disease.

Lab requirements

Blood counts

adequate bone marrow hematopoiesis

Kidney function

adequate organ function

Liver function

adequate organ function

Adequate bone marrow hematopoiesis and organ function

Structured fields extracted by AI. May contain errors — verify against the official protocol.

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