ArticleNeuro-oncology advances
A phase 2 study of abemaciclib in patients with brain metastases secondary to non-small cell lung cancer or melanoma.
Article in Neuro-oncology advances. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02308020 (A Phase 2 Study of Abemaciclib in Patients With Brain Metastases Secondary to Hormone Receptor Positive Breast Cancer, Non-small Cell Lung Cancer, or Melanoma), which is not on this map. Not yet cited in PubMed.
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A Phase 2 Study of Abemaciclib in Patients With Brain Metastases Secondary to Hormone Receptor Positive Breast Cancer, Non-small Cell Lung Cancer, or Melanoma
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7 authors.
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Abstract
Background: Abemaciclib is a selective cyclin-dependent kinase 4 and 6 inhibitor that penetrates the blood-brain barrier, resulting in comparable concentrations in tissue and plasma. The primary objective of this nonrandomized Simon two-stage phase II trial (NCT02308020) was to evaluate the intracranial objective response rate in patients with brain metastases secondary to breast cancer (already published), non-small cell lung cancer (NSCLC), or -melanoma receiving abemaciclib. Secondary objectives evaluated safety, extracranial response, progression-free survival (PFS), and overall survival (OS). Methods: Eligible subjects were enrolled in NSCLC or melanoma tumor-specific cohorts and treated with abemaciclib 200 mg twice daily (BID) monotherapy or 150 mg BID for NSCLC patients on concurrent pemetrexed or gemcitabine. Results: A total of 51 patients were enrolled (NSCLC, Conclusions: Although abemaciclib can achieve therapeutic concentrations in brain metastases tissue, this study did not meet its primary endpoint. The limited clinical activity in this study suggests that further clinical trials should focus on the use of abemaciclib combination therapy.
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