UroGen Pharma Ltd. has announced positive topline results from its Phase 3 ENVISION trial evaluating UGN-102, an investigational treatment for low-grade non-muscle invasive bladder cancer (NMIBC). The trial achieved its primary endpoint, demonstrating a high complete response (CR) rate at three months. Furthermore, a significant proportion of patients who achieved a CR at three months maintained this response at the 12-month assessment.
ENVISION Trial Details
The ENVISION trial is a Phase 3, single-arm, open-label study designed to evaluate the efficacy and safety of UGN-102 in patients with low-grade NMIBC. Patients received UGN-102, an innovative formulation of mitomycin, via intravesical instillation. The primary endpoint was the complete response rate at three months, defined as the absence of any visible tumor on cystoscopy.
Key Findings
The trial demonstrated a statistically significant and clinically meaningful complete response rate at three months. Durability of response was also observed, with many patients maintaining their complete response at 12 months. These findings suggest that UGN-102 could provide a durable and effective treatment option for patients with low-grade NMIBC.
Clinical Significance
Low-grade NMIBC is a common malignancy with a high recurrence rate, often requiring repeated transurethral resections of bladder tumor (TURBT). UGN-102 offers a potential non-surgical alternative, which could improve patient outcomes and quality of life. If approved, UGN-102 could address a significant unmet medical need in the treatment of low-grade NMIBC, potentially reducing the need for invasive procedures and their associated complications.
Regulatory Pathway
UroGen Pharma is progressing with a New Drug Application (NDA) submission to the FDA based on the ENVISION trial results. The company anticipates that UGN-102, if approved, could tap into a market opportunity exceeding $5 billion. The FDA's decision is eagerly awaited by the bladder cancer community, as UGN-102 represents a promising advancement in the treatment paradigm for low-grade NMIBC.