American Association for Cancer Research
10780432ccr120507-sup-tab2.pdf (50.81 kB)

Supplementary Table 2 from A Phase I Trial of Dasatinib, an Src-Family Kinase Inhibitor, in Combination with Paclitaxel and Carboplatin in Patients with Advanced or Recurrent Ovarian Cancer

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posted on 2023-03-31, 17:43 authored by Angeles Alvarez Secord, Deanna K. Teoh, William T. Barry, Miao Yu, Gloria Broadwater, Laura J. Havrilesky, Paula S. Lee, Andrew Berchuck, Johnathan Lancaster, Robert M. Wenham

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Purpose: We conducted a phase I study of dasatinib, an oral SRC-family tyrosine kinase inhibitor, in combination with paclitaxel and carboplatin in the treatment of advanced and recurrent epithelial ovarian cancer.Experimental Design: The primary objective was to determine the maximum tolerated dose (MTD). Secondary objectives included defining toxicity, response rate (RR), pharmacokinetics, and pharmacodynamics. Using a “3+3” design, cohorts of three to six patients received paclitaxel (175 mg/m2) and carboplatin (AUC 6) every 3 weeks with escalating doses of dasatinib (100, 120, and 150 mg daily), followed by an eight-patient expansion cohort.Results: Twenty patients were enrolled between June 2007 and December 2009. The median age was 61 years (range: 42–82) with a median of 2 prior regimens (range: 0–6), and 71% had platinum-sensitive disease. There were three to six patients in each cohort, and eight in the expansion cohort. Pharmacokinetics were observed over the first two cycles of therapy. One DLT was observed in the 100 mg dasatinib cohort (grade 3 myalgia). Other toxicities in all cycles included neutropenia (95% grade 3–4; 91% in the 150 mg dosing cohort), thrombocytopenia (35% grade 3–4), and fatigue (10% grade 3). The RR was 40% [three complete responses, (15%); five partial responses, (25%)],10 patients (50%) had stable disease, and two were not evaluable. The PFS6-month actuarial estimate was 86%. The median PFS and OS were 7.8 and 16.2 months, respectively.Conclusions: Due to the high incidence of myelosuppression with subsequent cycles, the recommended phase II dose of dasatinib is 150 mg daily in combination with paclitaxel and carboplatin. The combination was safe with evidence of clinical activity. Clin Cancer Res; 18(19); 5489–98. ©2012 AACR.

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