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Merck and Pfizer Report Topline P-III (KEYNOTE-905) Trial Finding on Keytruda + Padcev to Treat Muscle-Invasive Bladder Cancer (MIBC)

Shots: The P-III (KEYNOTE-905/EV-303) trial randomized cisplatin-ineligible MIBC pts to Arm A (3 cycles of Keytruda + surgery with 14 subsequent cycles), Arm B (surgery alone), or Arm C (3 cycles of Keytruda + Padcev before surgery, followed 6 cycles of the combination, then 8 cycles of Keytruda alone) Arms C & B showed improved…

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Astrazeneca

AstraZeneca Reports the CHMP’s Positive Opinion for Perioperative Imfinzi to Treat Muscle-Invasive Bladder Cancer (MIBC)

Shots: The CHMP has recommended Imfinzi as a perioperative treatment of MIBC; regulatory review is ongoing in Japan & other regions Opinion was based on the P-III (NIAGARA) trial (n=1063) MIBC pts randomized to either neoadj. Imfinzi + CT before cystectomy followed by adj. Imfinzi or neoadj. CT with no further treatment after surgery   …

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Astrazeneca

AstraZeneca Presents Post-Hoc Data from P-III (NIAGARA) Trial of Imfinzi in Muscle-Invasive Bladder Cancer Patients regardless of Complete Pathology Response at ASCO GU 2025

Shots: The P-III (NIAGARA) trial assessed Imfinzi (4 cycles + neoadj. CT; then 8 cycles alone) vs CT with surgery in MIBC pts ± pCR; ongoing regulatory review in the US, EU, Japan & other areas Trial met its 2EPs of improved MFS (75.1% vs 65.1%) & DSS (89.2% vs 82.2%) in ITT pts (N=1063)…

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