Clinical genitourinary cancer · 2025
Treatment of Low-Grade Intermediate-Risk Non-Muscle Invasive Bladder Cancer With UGN-102: Outcomes From the 5-Year Long-Term Extension Study of the Single-Arm, Phase 2b Optima II Study.
СтатьяКлиническое исследование II фазыМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
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Shore Neal D, Chevli K Kent, Saltzstein Daniel, Ehrlich Yaron, Raman Jay D, Friedman Boris, Sankin Alexander, Scherr Douglas, Huang William C, Louie Michael J, Raju Sunil, Burger Brent, Meads Andrew, Schoenberg Mark, OPTIMA II Study
Аннотация
INTRODUCTION: The OPTIMA II phase 2b study (NCT03558503) treated patients with low-grade intermediate-risk non-muscle invasive bladder cancer (LG-IR-NMIBC) with UGN-102, a reverse thermal hydrogel containing mitomycin. Efficacy and safety results have been reported for the 12-month parent study; here, we report 5-year follow-up data.
PATIENTS AND METHODS: Patients who participated in the OPTIMA II study and achieved a complete response (CR) after 6 weekly doses of UGN-102 were followed for up to 9 months after initial CR. Those with CR at study completion were eligible to enroll in a further long-term follow-up (LTFU) study, during which there were no protocol-specified interventions/treatments, protocol-specified visits, or evaluations. Supervising physicians provided semiannual updates on patients' disease status. Duration of response (DoR) was calculated using the Kaplan-Meier method.
RESULTS: Of the 41 patients achieving a CR at 3 months, 25 remained in CR at 12 months and 17 entered LTFU. For the 41 patients achieving a CR at 3 months the median Kaplan-Meier estimate of DoR was 24.2 months (95% confidence interval [CI], 9.72-42.09), with a median follow-up time of 35.8 months (95% CI, 10.78-60.98). For the 17 patients in the LTFU study the median DoR was 42.1 months (95% CI, 24.18-not estimable [NE]), with a median follow-up of 50.40 months (95% CI, 26.97-NE), CONCLUSION: These results demonstrate that treatment with UGN-102 results in clinically meaningful, and highly durable response in patients with LG-IR-NMIBC. UGN-102 may offer a promising non-surgical alternative to transurethral resection of bladder cancer (TURBT) for LG-IR-NMIBC patients.
PATIENTS AND METHODS: Patients who participated in the OPTIMA II study and achieved a complete response (CR) after 6 weekly doses of UGN-102 were followed for up to 9 months after initial CR. Those with CR at study completion were eligible to enroll in a further long-term follow-up (LTFU) study, during which there were no protocol-specified interventions/treatments, protocol-specified visits, or evaluations. Supervising physicians provided semiannual updates on patients' disease status. Duration of response (DoR) was calculated using the Kaplan-Meier method.
RESULTS: Of the 41 patients achieving a CR at 3 months, 25 remained in CR at 12 months and 17 entered LTFU. For the 41 patients achieving a CR at 3 months the median Kaplan-Meier estimate of DoR was 24.2 months (95% confidence interval [CI], 9.72-42.09), with a median follow-up time of 35.8 months (95% CI, 10.78-60.98). For the 17 patients in the LTFU study the median DoR was 42.1 months (95% CI, 24.18-not estimable [NE]), with a median follow-up of 50.40 months (95% CI, 26.97-NE), CONCLUSION: These results demonstrate that treatment with UGN-102 results in clinically meaningful, and highly durable response in patients with LG-IR-NMIBC. UGN-102 may offer a promising non-surgical alternative to transurethral resection of bladder cancer (TURBT) for LG-IR-NMIBC patients.