Testing AZD1775 inC Combination With Radiotherapy and Chemotherapy in Cervical, Upper Vaginal and Uterine Cancers

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PRIMARY OBJECTIVE: I. To determine the recommended phase II dose (RP2D) and safety profile of adavosertib (AZD1775) in combination with radiotherapy and concurrent cisplatin in patients with gynecological cancers. SECONDARY OBJECTIVES: I. To determine the acute and late toxicity of AZD1775 when admi...

PRIMARY OBJECTIVE: I. To determine the recommended phase II dose (RP2D) and safety profile of adavosertib (AZD1775) in combination with radiotherapy and concurrent cisplatin in patients with gynecological cancers. SECONDARY OBJECTIVES: I. To determine the acute and late toxicity of AZD1775 when administered to patients with gynecological cancer in combination with standard radiotherapy and concurrent cisplatin. II. To evaluate the pharmacodynamic effects of AZD1775 when administered in combination with radiotherapy and concurrent cisplatin (in particular, for the 15 patients treated in an expansion cohort at the RP2D). III. To obtain preliminary information about the progression-free survival, as defined by Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 or clinical progression, of AZD1775 in combination with standard radiotherapy and concurrent cisplatin in women with gynecological cancer. OUTLINE: This is a dose-escalation study of adavosertib. Patients undergo external beam radiation therapy on days 1-5 and receive adavosertib orally (PO) on days 1, 3, and 5 or once daily (QD) on days 1-5 and cisplatin intravenously (IV) over 1 hour on day 1 or 3. Cycles repeat each week for up to 5 weeks in the absence of disease progression of unacceptable toxicity. After completion of study treatment, patients are followed up at 28 days and then every 4 months for 2 years.

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