Key Takeaways
- FDA Priority Review for TAR-200: Johnson & Johnson’s intravesical gemcitabine system receives fast track status for Bacillus Calmette-Guérin-unresponsive high-risk non-muscle invasive bladder cancer.
- Strong Clinical Results from SunRISe-1: TAR-200 achieved an 82.4% complete response rate with over half of patients remaining cancer-free at one year.
- Bladder-Sparing, Minimally Invasive Treatment: TAR-200 offers a durable, non-surgical option that avoids cystectomy in most patients.
The FDA has granted Priority Review to Johnson & Johnson’s (J&J) TAR-200, a novel intravesical drug-releasing system designed to deliver sustained doses of gemcitabine directly into the bladder for patients with high-risk non-muscle invasive bladder cancer (HR-NMIBC) who are unresponsive to Bacillus Calmette-Guérin (BCG) therapy. According to the company, the decision was based on results from the Phase IIb SunRISe-1 trial (NCT04640623), which demonstrated significant benefits in patients with HR-NMIBC.1
How Could TAR-200 Redefine Treatment for BCG-Unresponsive Bladder Cancer?
“TAR-200 represents an innovation in drug delivery that has not been seen in decades,” said Yusri Elsayed, MD, MHSc, PhD, global therapeutic area head, oncology, Johnson & Johnson Innovative Medicine, in a press release. “The FDA Priority Review for TAR-200 underscores our mission to fundamentally change the way urologists treat certain types of bladder cancer.”
SunRISe-1 Cohort 2: Key Design and Endpoints
- The single-arm, open-label, cohort 2 SunRISe-1 trial evaluated the safety and efficacy of TAR-200 in 220 BCG-unresponsive HR-NMIBC patients with carcinoma in situ, with or without papillary tumors, who were ineligible for, or elected not to undergo, radical cystectomy. Patients in cohort 2 received the treatment as a monotherapy.
- The primary endpoint of cohort 2 was complete response (CR) rate at any time.
- Key secondary endpoints included duration of response, safety, overall survival and quality of life.
Promising Clinical Results
- Results showed a CR of 82.4%, with 52.9% of patients remaining cancer-free for at least one year.1
- The median duration of response reached 25.8 months, with some patients remaining cancer-free for over two years without additional treatment.
- At the 12-month mark, 86.6% of patients had avoided cystectomy.3
- Most adverse events (AEs) were reported to be mild to moderate and severity.
- The most common AEs included pollakiuria, dysuria, urinary tract infection, micturition urgency, hematuria, cystitis noninfective, and urinary tract pain.1
Unmet Needs and Longstanding Gaps
According to J&J, little has changed regarding the standard of care for patients with HR-NMIBC over the past 40 years despite advancements.1