About this trial
The main objective of this study is to compare the efficacy of HS-20093 with standard of care (SOC) on prolonging overall survival (OS) in subjects with relapsed small cell lung cancer (SCLC).
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Male or female subjects ≥18 years of age.
Histologically or cytologically confirmed SCLC.
Subjects who progressed on or after first-line platinum-based regimens.
Has at least 1 measurable lesion as defined per RECIST 1.1.
Disqualifiers
Combined SCLC, any previous diagnosis of transformed SCLC or SCLC that has transformed to NSCLC.
Chemotherapy-free interval ≤30 days.
Has received prior treatment with anti-B7 homologue 3 (B7-H3) targeted agents.
Has received prior treatment with topoisomerase I inhibitor, including ADC that consists of topoisomerase I inhibitor.
Trial design
Parallel
Treatments tested in this trial
HS-20093
DrugHS-20093 will be administered as an IV infusion at dose of 8.0 mg/kg on Day 1 of each 21-day cycle.
Topotecan
DrugTopotecan will be administered per drug label.
Treatment groups
Trial outcomes
Primary outcomes
Overall survival
Overall survival is defined as the time interval from randomization to death due to any cause.
Secondary outcomes
Objective Response Rate (ORR) Assessed by Blinded Independent Central Review and Investigators
Confirmed ORR is defined as the sum of the complete response (CR) rate and partial response (PR) rate as per BICR and investigator per Response Evaluation Criteria In Solid Tumors (RECIST) v1.1.
Disease Control Rate (DCR) Assessed by Blinded Independent Central Review and Investigator
Disease control rate is defined as the proportion of participants who have achieved a best overall response of confirmed CR, confirmed PR, or SD (or non-CR/non-PD) per BICR and investigator assessment per RECIST v1.1.
Duration of Response Assessed by Blinded Independent Central Review and Investigator
Duration of response (DoR) is defined as the time from the date of the first documentation of objective response (complete response \[CR\] or partial response \[PR\]) to the date of the first documentation of progressive disease (PD) or death.
Progression-free Survival Assessed by Blinded Independent Central Review and Investigator
PFS is defined as the time interval from the randomization to disease progression as per BICR and investigator assessment or death due to any cause.
Sponsors and contacts
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