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Clinical Trial Summary

Part 1 is a phase Ib standard "3 + 3" design, will be employed to determine the MTD of APG-115 by assessing the DLT of APG-115 in combination with PD-1 inhibitor(toripalimab) in advanced solid tumors. Part 2 is a Simon two-stage phase II study design. At RP2D of APG-115 in combination with toripalimab in advanced liposarcoma, approximately 34 patients will be treated with the combination until disease progression, unacceptable toxicity, or another discontinuation criterion is met.


Clinical Trial Description

Part 1 is the open label, dose-escalation phase Ib portion of the study to establish an MTD/RP2D of APG-115 in combination with toripalimab. Dose levels/schedule of APG115 will be tested: 50mg, 100mg, 150mg, and 200mg, QOD with 2 weeks on 1 week off as a cycle of 21 days (3 weeks), toripalimab will administrated with label dose. Part 2 is the phase II portion of the study to evaluate the clinical efficacy and safety of the RP2D of APG-115 in combination with label dose of toripalimab in patients with advanced liposarcoma. In this part, Simon's two-stage design (Simon R (1989). Controlled Clinical Trials 10: 1-10.) will be used. The null hypothesis that the true response rate of combination is 30% or lower will be tested against a one-sided alternative. In the first stage, 19 patients will be accrued. If there are 3 or fewer responses in these patients, the study will be stopped. Otherwise, 15 additional patients will be accrued for a total of 34. The null hypothesis will be rejected if 7 or more responses are observed in 34 patients. This design yields a type I error rate of 0.05 and power of 90%. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04785196
Study type Interventional
Source Ascentage Pharma Group Inc.
Contact Yifan Zhai, MD, PhD
Phone +86-20-28068501
Email Yzhai@ascentage.com
Status Recruiting
Phase Phase 1/Phase 2
Start date May 26, 2021
Completion date January 2027

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