About this trial
This is a Phase II, multicenter, single-arm dose expansion trial planned to enroll up to 30 subjects with advanced or metastatic ovarian cancer. The Objective is to conduct a preliminary evaluation of the efficacy, the safety, tolerability and PK profile of DAT-2645
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
sign a written informed consent form
At least 18 years of age (inclusive)
Epithelial ovarian cancer confirmed by histopathology or cytopathology
BRCA1/2 mutation or HRD-positive status
Disqualifiers
Received small-molecule chemotherapy or targeted therapy within 2 weeks or 5 half-lives prior to the first dose
Received treatment with an anticancer biological therapy within 4 weeks prior to the first dose
Underwent major surgery within 4 weeks prior to the first dose
Has previously received treatment with a PARG inhibitor
Trial design
Sequential
Treatments tested in this trial
DAT-2645 tablet
DrugOral administration with 21 days each cycle
Treatment groups
Trial outcomes
Primary outcomes
Objective response rate ( ORR )
Objective response rate (ORR) as assessed by investigators according to RECIST v.1.1
Secondary outcomes
Disease Control Rate (DCR)
Defined as not meeting the criteria for progression and PR(partial response)
Duration of Response (DOR)
DOR(duration of response) per RECIST v1.1(Response Evaluation Criteria in Solid Tumors). Measured in CT/MRI image from the time when measurement criteria for complete/ partial response are met till time when progression of the disease is documented.
Progression Free Survival (PFS)
Progression- free survival (PFS) by RECIST V1.1 criteria- from the beginning of treatment to the progression of disease or death.
Overall Survival (OS)
Overall Survival (OS) was defined as the time interval between a patient randomized and death from any cause or the end of the last follow-up date.
Sponsors and contacts
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