The goal of this study is to investigate the incidence and risk factors of central nervous system adverse events of Lorlatinib in patients with ALK-positive advanced non-small cell lung cancer.

The goal of this study is to investigate the incidence and risk factors of central nervous system adverse events of Lorlatinib in patients with ALK-positive advanced non-small cell lung cancer.

Inclusion Criteria:

• Patients with locally advanced (stage IIIb/IIIc), metastatic, or recurrent (stage IV) NSCLC confirmed by histology or cytology, who are not eligible for curative surgery and cannot undergo definitive radiotherapy/chemotherapy, according to the 8th edition of the TNM staging classification by the International Association for the Study of Lung Cancer and the American Joint Committee on Cancer;
• ALK-positive and the test results were based on RT-PCR /FISH /IHC /NGS methods in the laboratory department or testing institution of the hospital
• receiving targeted therapy with Lorlatinib
• age ≥18 years old
• follow-up after receipt of Lorlatinib
• voluntarily participate in the study and sign informed consent

Exclusion Criteria:

• evidence of any severe or uncontrolled systemic illness, including uncontrolled hypertension and active bleeding, active infections including hepatitis B, hepatitis C and human immunodeficiency virus (HIV).
• combined with other malignant tumors and received other anti-tumor therapy during the treatment of Lorlatinib

ALK-positive NSCLC

research article

up to 36 month

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