Final Data Reported from Urogen’s OPTIMA II Trial Assessing UGN-102 (Mitomycin) Intravesical Solution for Low-Grade Intermediate Risk Non-Muscle Invasive Bladder Cancer

Nov 20, 2020 | News, Positive Results

Final Data Reported from Urogen’s OPTIMA II Trial Assessing UGN-102 (Mitomycin) Intravesical Solution for Low-Grade Intermediate Risk Non-Muscle Invasive Bladder Cancer

Urogen Pharma reported final data from their phase 2b OPTIMA II trial evaluating the efficacy and safety of UGN-102 (mitomycin) for intravesical solution in patients with low-grade intermediate risk non-muscle invasive bladder cancer (LG IR-NMIBC). 

OPTIMA II (OPTimized Instillation of Mitomycin for Bladder Cancer Treatment) was an open-label, single-arm, multi-center trial of UGN-102 (mitomycin) for intravesical solution to evaluate its safety and efficacy in patients with low-grade non-muscle invasive bladder cancer (LG NMIBC) at intermediate risk of recurrence. Patients were to receive six weekly intravesical instillations of 75 mg UGN-102 in an office setting. The chemoablative effect of UGN-102 was assessed three months after initiation of study treatment with complete response (CR) defined as a negative endoscopic examination, negative cytology, and when indicated, a negative for-cause biopsy. Patients achieving CR were followed quarterly to 12 months after initiation of study treatment to evaluate safety, efficacy, and durability.

As previously reported in May of 2020, 65% (41/63) of patients receiving UGN-102 achieved a complete response (CR) three months after the start of therapy. In this subset of patients, duration of response at nine months (12-months from start of therapy) was estimated to be 72.5%. Median duration of response was not reached. Treatment with UGN-102 was generally well tolerated. In the OPTIMA II trial, most adverse events (≥ 10%) were reported as mild to moderate in severity and included dysuria, urinary frequency, hematuria, urinary urgency, urinary tract infection and fatigue. No treatment related serious adverse events were reported.

The Company expects to initiate a Phase 3 study evaluating UGN-102 versus current standard of care by the end of the year.

About UGN-102 (mitomycin)

UGN-102 (mitomycin) for intravesical solution is a drug formulation of mitomycin for the treatment of low-grade intermediate risk non-muscle invasive bladder cancer. Utilizing the RTGel Technology Platform, UroGen’s proprietary sustained release, hydrogel-based formulation, UGN-102 is designed to enable longer exposure of bladder tissue to mitomycin, thereby enabling the treatment of tumors by non-surgical means. UGN-102 is delivered to patients using a standard urinary catheter.

About Low-Grade Intermediate Risk Non-Muscle Invasive Bladder Cancer

Patients with LG IR-NMIBC are chronically relapsing and currently, their only treatment option is repeated transurethral resection of bladder tumors (TURBT). Some patients require multiple TURBT surgeries per year, which can lead to increased morbidity and risks associated with repetitive anesthesia. It is estimated that 80,000 people in the U.S. are treated annually for LG IR-NMIBC. This includes newly diagnosed patients and patients who have a recurrence after surgery.

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