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Future Medicine, Future Oncology, 26(19), p. 1801-1807, 2023

DOI: 10.2217/fon-2022-0926

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Cerebrospinal fluid-administered therapies for leptomeningeal metastases from solid tumors

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Data provided by SHERPA/RoMEO

Abstract

Aims/purpose: Leptomeningeal metastases (LM) are associated with substantial morbidity and mortality. Several approaches are used to treat LM, including intrathecally administered therapies. We consolidated current studies exploring intrathecal therapies for LM treatment. Patients & methods: A review of clinical trials using intrathecal agents was conducted with outcomes tabulated and trends described. 48 trials met the inclusion criteria. Initial investigations began with cytotoxic agents; following this were formulations with longer cerebrospinal fluid half-lives, targeted antibodies and radionucleotides. Results & conclusion: Outcomes were not reported consistently. Survival, when reported, remained poor. Intrathecal therapies for LM remain a viable option. Their use can be informed by an understanding of efficacy, safety and toxicity. They may be an important component of future LM treatments.