Testing the Addition of Abemaciclib to Olaparib for Women With Recurrent Ovarian Cancer

Summary

Participation Requirements

Description

PRIMARY OBJECTIVE: I. To assess the safety of abemaciclib plus olaparib in patients with platinum-resistant ovarian cancer by determining the maximum tolerated dose and recommended phase 2 dose. SECONDARY OBJECTIVE: I. To observe and record anti-tumor activity using overall response rate (ORR) and d...

PRIMARY OBJECTIVE: I. To assess the safety of abemaciclib plus olaparib in patients with platinum-resistant ovarian cancer by determining the maximum tolerated dose and recommended phase 2 dose. SECONDARY OBJECTIVE: I. To observe and record anti-tumor activity using overall response rate (ORR) and duration of response (DoR) with abemaciclib and olaparib, given in combination, in patients with platinum-resistant ovarian cancer. EXPLORATORY OBJECTIVES: I. To assess proof of mechanism (RB, phosphoRB, cleaved caspase 3, Ki67, geminin, gamma-H2AX, RAD51 nuclear foci, pNBS multiplex, Myc transcriptional targets ODC1 and LDHA, homologous recombination genes BRCA1, BRCA2, RAD51, serum thymidine kinase), plasma and tumor pharmacokinetics, and subgroups of response (immunohistochemistry [IHC] for Myc, cyclin E; next generation sequencing [NGS]/whole exome sequencing [WES] for DCAF, hormone receptor [HR] repair gene alterations, Myc, and CCNE1; ribonucleic acid sequencing [RNAseq] for Myc and CCNE1). II. To contribute genetic analysis data from de-identified biospecimens to Genomic Data Commons (GDC), a well annotated cancer molecular and clinical data repository, for current and future research; specimens will be annotated with key clinical data, including presentation, diagnosis, staging, summary treatment, and if possible, outcome. III. To bank formalin-fixed, paraffin-embedded (FFPE) tissue, blood (for cell-free DNA analysis), and nucleic acids obtained from patients at the Experimental Therapeutics Clinical Trials Network (ETCTN) Biorepository at Nationwide Children's Hospital. OUTLINE: This is a dose-escalation study of abemaciclib. Patients receive olaparib orally (PO) twice daily (BID) on days 1-28 and abemaciclib PO BID on days 8-28 of cycle 1 and days 1-28 of subsequent cycles. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. After completion of study treatment, patients are followed up at 30 days.

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