Conditions: Advanced Solid Tumours
Allocation: NON_RANDOMIZED | Intervention model: PARALLEL
Enrollment: 19
Healthy volunteers: no

Brief summary:
This is a phase Ib, open-label, multicentre study of AZD1775 administered orally in monotherapy and in combination with carboplatin and paclitaxel to Asian patients with advanced solid tumours.

Detailed description:
This is a phase Ib, open label, multicentre study of AZD1775 administered orally in monotherapy and in combination with carboplatin and paclitaxel in Asian patients with advanced solid tumours. The study design allows escalation or de-escalation of AZD1775 in combination with carboplatin and paclitaxel with intensive safety monitoring to ensure the safety of the patients. Approximately 12 evaluable patients will be enrolled in the dose-finding portion of this study. The total number of patients will depend upon the number of combination dose level evaluations necessary to define the recommended dose for further clinical evaluation. The proposed combination doses are : Dose level-1; Dose level 1; Dose level 2 (if Dose Level 1 tolerated). All combination doses other than Combination Dose level 1 may be subject to change by the SRC in light of emerging data. At least 3 and up to 6 evaluable patients will be required for each dose finding cohort. Once the recommended dose for further clinical evaluation is established, additional 3 to 6 patients may be enrolled to the cohort where the recommended dose has been defined to further characterise the safety, tolerability, pharmacokinetics, and efficacy profiles of AZD1775 in combination with paclitaxel and carboplatin. If this dose is subsequently found to be non-tolerated, alternative doses and/or schedules may be explored. This will be determined by the SRC.

Arms:
arm 1: AZD1775 will be administered orally as a single dose on Day 1 Cycle 0. Following a 5±2 days washout period, AZD1775 (5 doses BID over 2.5 days) will be taken in combination with paclitaxel and carboplatin in each 21-day cycle for 6 cycles. Following 6 cycles of combination treatment, patients may continue on AZD1775 monotherapy (5 doses BID Day 1 to Day 2.5 in each 21-day cycle) at the investigator's discretion. arm 2: Commercially available paclitaxel will be administered at a dosage of 175 mg/m2 as a 3-hour IV infusion on Cycle Day 1 of a 21-day cycle for 6 cycles. arm 3: Following the paclitaxel infusion, carboplatin will be administered at a dose of AUC 5 as an IV infusion on Cycle Day 1 of a 21-day cycle for 6 cycles. According to the Cancer Therapy Evaluation Program Information Letter Regarding the AUC Based Dosing of Carboplatin, the maximum carboplatin dose should not exceed the target AUC (mg\*min/mL)\*150 mL/min, but it may be less (Ivy et al 2010). For this study, the maximum dose of carboplatin cannot exceed a total dose of 750 mg.

Interventions: intervention 1: AZD1775 intervention 2: Paclitaxel intervention 3: carboplatin
Intervention descriptions: intervention 1: AZD1775 is a highly selective, adenosine-triphosphate (ATP) competitive, small-molecule inhibitor of the WEE1 kinase that sensitizes tumour cells to cytotoxic agents and is being developed for the treatment of advanced solid tumours and p53 pathway deficient malignancies. Gemcitabine is a nucleoside analog used as chemotherapy. intervention 2: Paclitaxel is a mitotic inhibitor used in cancer chemotherapy ; it and docetaxel represent the taxane family of drugs. intervention 3: Carboplatin is a chemotherapy drug used against some forms of cancer (mainly ovarian carcinoma, lung, head and neck cancers as well as endometrial, esophageal, bladder, breast and cervical; central nervous system or germ cell tumors; osteogenic sarcoma, and as preparation for a stem cell or bone marrow transplant.).

Protocol document: