Neurotropism and Therapeutic Targeting of Brain Metastases in Small Cell Lung Cancer.

Authors

Triparna Sen, Elisa Gobbini, Khalis Mustafayev, Logan S Spiegelman, Fatma Nihan Akkoc Mustafayev, Fred R Hirsch, Asrar A Alahmadi, Manmeet S Ahluwalia

Published in

Cancer research. Jul 09, 2026. Epub Jul 09, 2026.

Abstract

Small cell lung cancer (SCLC) is an aggressive malignancy marked by rapid progression, early dissemination, and a pronounced propensity for brain metastases (BM), which develop in up to 80% of patients. SCLC is defined by profound genomic instability, lineage plasticity, and rapid drug resistance. The establishment of BM is promoted by neuronal mimicry, enhanced intercellular adhesion, and dynamic crosstalk with astrocytes and microglia. Emerging therapies targeting DLL3 and B7H3 have demonstrated encouraging intracranial activity. Despite these advances, treatment resistance and limited brain drug penetration remain major unmet needs. This review highlights recent advances in SCLC BM biology and precision therapeutic strategies.

PMID:
42423390
Bibliographic data and abstract were imported from PubMed on 09 Jul 2026.

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