Pfizer-Astellas’ PADCEV Wins FDA Approval for Perioperative Bladder Cancer

Pfizer-Astellas' PADCEV Wins FDA Approval for Perioperative Bladder Cancer

Pfizer Inc. (NYSE: PFE) and Astellas Pharma Inc. (TYO: 4503) announced that the U.S. Food and Drug Administration (FDA) approved PADCEV (enfortumab vedotin) in combination with Keytruda (pembrolizumab) for perioperative treatment of adult patients with muscle‑invasive bladder cancer (MIBC) who are ineligible for cisplatin‑containing chemotherapy, based on the EV‑303/KEYNOTE‑905 Phase 3 trial showing a 60% reduction in recurrence, progression, or death risk.

Regulatory Milestone

ItemDetail
ProductPADCEV (enfortumab vedotin) + Keytruda (pembrolizumab)
CompaniesPfizer (NYSE: PFE) & Astellas (TYO: 4503)
AgencyU.S. Food and Drug Administration (FDA)
Approval TypeNew indication (perioperative)
IndicationMIBC (neoadjuvant + adjuvant) in cisplatin‑ineligible patients
Study BasisEV‑303/KEYNOTE‑905 Phase 3 trial
Primary EndpointEvent‑free survival (EFS)
Result60% risk reduction vs. surgery alone

Drug Profile

  • PADCEV Mechanism: First‑in‑class Nectin‑4 ADC delivering cytotoxic payload directly to tumor cells
  • Combination Strategy: Synergistic ADC + PD‑1 inhibition enhances T‑cell activation and tumor cell killing
  • Global Approvals: Already approved for locally advanced/metastatic urothelial cancer (la/mUC) in the U.S., Japan, and other markets; EU approved for la/mUC in platinum‑eligible patients; PADCEV monotherapy approved for la/mUC post‑PD‑1/platinum
  • Innovation: First perioperative ADC‑IO regimen in bladder cancer, addressing pre‑ and post‑surgical treatment

Clinical Evidence – EV‑303/KEYNOTE‑905 Trial

EndpointPADCEV + Keytruda vs. Surgery Alone
Primary (EFS)60% risk reduction (HR = 0.40)
Event‑Free Probability74.7% vs. 39.4% at 12 months
Median EFSNot reached vs. 15.7 months
Overall Survival (OS)50% risk reduction (key secondary)
Patient PopulationCisplatin‑ineligible MIBC patients (n=564)

Market Context & Outlook

MetricValue
U.S. MIBC Incidence~83,000 new cases (2024)
Cisplatin‑Ineligible Share40‑45% (~35,000 patients)
Current StandardSurgery alone; no approved perioperative regimens for this population
Peak Sales Forecast (PADCEV)$2.5‑3.5 billion incremental by 2030 (U.S. MIBC indication)
Market Share Target60‑70% of eligible patients
CompetitionFirst‑in‑class; no direct ADC‑IO competitors in perioperative setting
  • Reimbursement Path: FDA approval enables immediate commercial access; CMS National Coverage Determination expected Q2 2026
  • Next Catalysts: EU filing for MIBC indication H1 2026; adjuvant expansion in post‑cystectomy patients Phase III underway

Forward‑Looking Statements
This brief contains forward‑looking statements regarding PADCEV’s commercial performance, market penetration, and regulatory expansion. Actual results may differ materially due to risks including competitive responses, reimbursement negotiations, and real‑world clinical adoption.-Fineline Info & Tech