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A Study to Find Out if Enfortumab Vedotin Given With Pembrolizumab Helps People With Muscle-invasive Bladder Cancer Keep Their Bladder

  • PhasePhase 2
  • StatusRecruiting
  • Planned enrollment240 people
  • Recruiting US sites19
  • SponsorAstellas Pharma Global Development, Inc.
  • RegistryNCT07475806

Recruitment re-checked on ClinicalTrials.gov Oct 30, 2026. Public record; not medical advice.

A Study to Find Out if Enfortumab Vedotin Given With Pembrolizumab Helps People With Muscle-invasive Bladder Cancer Keep Their Bladder: a one-minute explainerNCT074758061 min

Eligibility

Who can join

The film gives the main points. The full list below is copied from the registry; the study team makes the final decision.

  • Age18 Years to no maximum
  • SexAll
  • Healthy volunteersNo

You may be able to join if

  • Participant has histologically-confirmed MIBC, stage cT2-T4aN0M0 or T1-T4aN1M0. NOTE: urothelial carcinomas (UCs) not originating from the bladder (e.g., upper tract [ureters, renal pelvis], urethra) are not eligible. UCs invading into the prostatic stroma with no histologic muscle invasion is allowed, provided that the extent of disease is confirmed via imaging.
  • Participant has predominant UC histology (≥ 50%). NOTE: Participants with mixed histology are eligible provided the urothelial component is ≥ 50% (participants whose tumors contain predominant [≥ 50%] plasmacytoid variant are not eligible). Participants whose tumors contain any neuroendocrine histology are not eligible.
  • Participant is deemed eligible for radical cystectomy and pelvic lymph node dissection.
  • Participant has accessible archival tumor tissue from the primary tumor, for which source and availability have been confirmed prior to study intervention. If no archival tumor tissue is available, the participant will have a biopsy to obtain tumor tissue prior to study intervention.
  • Participant has Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 2.
  • Have a transurethral resection of a bladder tumor within 60 days (+14 days) prior to, or during screening (from the date of informed consent form signature).

You cannot join if

  • Participant has preexisting sensory or motor neuropathy Grade ≥ 2.
  • Participant has ≥ N2 disease or metastatic disease (M1) as identified by imaging
  • Participant has a history of uncontrolled diabetes mellitus within 3 months prior to screening. Uncontrolled diabetes (within 3 months before first dose) is defined as hemoglobin A1c (HbA1c) ≥ 8% or HbA1c between 7% and < 8% with associated diabetes symptoms (polyuria or polydipsia) that are not otherwise explained. The lowest HbA1c during the screening period will be used to determine eligibility.
  • Participant has a second malignancy diagnosed within 3 years before first dose of study intervention, or any evidence of residual disease from a previously diagnosed malignancy. Participant with non-melanoma skin cancer, localized prostate cancer treated with curative intent with no evidence of progression, low-risk or very low-risk (per standard guidelines) localized prostate cancer under active surveillance/watchful waiting without intent to treat, or carcinoma in situ of any type (if complete resection was performed) are allowed.
  • Participant has known active keratitis or corneal ulcerations. Participant with superficial punctate keratitis is allowed if the disorder is being adequately treated.
  • Participant has a history of (non-infectious) pneumonitis/interstitial lung disease (ILD) that required steroids or has current pneumonitis/ILD.
  • Participant has a history of idiopathic pulmonary fibrosis, organizing pneumonia, drug-induced pneumonitis, idiopathic pneumonitis, or evidence of active pneumonitis on screening chest computed tomography (CT) scan.
  • Participant has a diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy (in dosing exceeding 10 mg daily of prednisone equivalent) or any other form of immunosuppressive therapy within 7 days prior the first dose of study intervention. Inhaled or topical steroids are permitted in the absence of active autoimmune disease. Physiologic replacement doses of corticosteroids are permitted for participants with adrenal insufficiency.
  • Participant has active autoimmune disease that has required systemic treatment in past 2 years (i.e., with use of disease modifying agents, corticosteroids or immunosuppressive drugs).
  • Replacement therapy (e.g., thyroxine, insulin, physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency) is not considered a form of systemic treatment and is allowed.
  • Brief (< 7 days) use of systemic corticosteroids is allowed when use is considered standard of care.
  • Participant with vitiligo, psoriasis, type 1 diabetes mellitus, hypothyroidism, or resolved childhood asthma/atopy will not be excluded.
  • Participant requiring intermittent use of bronchodilators, inhaled steroids, or local steroid injections will not be excluded.
  • Participant with hypothyroidism that is stable with hormone replacement therapy or Sjögren's syndrome will not be excluded.
  • Participant has received prior therapy with an anti-programmed cell death protein 1 (PD-1), anti-programmed death-ligand 1 (PD-L1), or anti-programmed death-ligand 2 agent or with an agent directed to another stimulatory or coinhibitory T-cell receptor (e.g., CTLA-4, OX-40, CD137).
  • Participant has received prior systemic anti-cancer therapy for MIBC/non-muscle invasive bladder cancer (NMIBC), or received prior systemic anti-cancer therapy including investigational agents (including enfortumab vedotin or other monomethyl auristatin E-based antibody-drug conjugates) within 3 years prior to screening.
  • NOTE: Prior treatment for NMIBC with intravesical instillation therapy such as Bacillus Calmette-Guérin or intravesical chemotherapy is permitted. Prior systemic treatment (including, but not limited to, anti-PD-1/PD-L1 treatment with pembrolizumab, etc.) received for NMIBC is not permitted.
  • Participant has received a partial cystectomy of the bladder to remove any NMIBC or MIBC.
  • Participant has received any prior radiotherapy to the bladder.

The treatment

How it is intended to work

This is how the treatment is meant to work. Whether it helps, and how safe it is, is what this trial is testing.

enfortumab vedotin-ejfv. An antibody drug conjugate (ADC) containing a human monoclonal antibody AGS-22 targeting the cell adhesion molecule nectin-4 and conjugated to the cytotoxic agent monomethyl auristatin E (MMAE), via a proprietary enzyme-cleavable linker (AGS-22CE), with potential antineoplastic activity. The monoclonal antibody moiety of enfortumab vedotin-ejfv electively binds to nectin-4. After internalization and proteolytic cleavage, MMAE binds to tubulin and inhibits its polymerization, which results in G2/M phase arrest and induces apoptosis in nectin-4 overexpressing tumor cells. Nectin-4, a tumor associated antigen belonging to the nectin family, is overexpressed in a variety of cancers, including breast, bladder, lung and pancreatic cancer. NCI Drug Dictionary

pembrolizumab. A humanized monoclonal immunoglobulin (Ig) G4 antibody directed against human cell surface receptor PD-1 (programmed death-1 or programmed cell death-1) with potential immune checkpoint inhibitory and antineoplastic activities. Upon administration, pembrolizumab binds to PD-1, an inhibitory signaling receptor expressed on the surface of activated T cells, and blocks the binding to and activation of PD-1 by its ligands, which results in the activation of T-cell-mediated immune responses against tumor cells. The ligands for PD-1 include programmed cell death ligand 1 (PD-L1), overexpressed on certain cancer cells, and programmed cell death ligand 2 (PD-L2), which is primarily expressed on APCs. Activated PD-1 negatively regulates T-cell activation and plays a key role in in tumor evasion from host immunity. NCI Drug Dictionary

Treatments listed in the registry

  • Enfortumab Vedotin (Drug): Intravenous infusion (IV)
  • Pembrolizumab (Drug): IV

The study

Treatment groups

Na · Single Group · masking: None

Enfortumab Vedotin with Pembrolizumab (Experimental)

Participants will receive enfortumab vedotin on days 1 and 8 of every 21-day cycle and pembrolizumab on day 1 of every 21-day cycle.

Goals

What the study measures

Main goals

  • Overall clinical complete response (cCR) rate after treatment with enfortumab vedotin in combination with pembrolizumab as assessed by investigator (Up to 27 weeks)
  • Bladder-intact event-free survival (BI-EFS) rate in participants who achieve cRC after 9 cycles of treatment with enfortumab vedotin in combination with pembrolizumab as assessed by investigator (2 years)

Other goals

  • Overall cCR rate after 4 cycles of treatment with enfortumab vedotin in combination with pembrolizumab as assessed by investigator
  • BI-EFS rate in participants who achieve cCR after 4 cycles of treatment with enfortumab vedotin in combination with pembrolizumab as assessed by investigator
  • Overall Survival (OS)
  • Disease-Free Survival (DFS) as assessed by investigator
  • Metastatic-free Survival (MFS) as assessed by investigator
  • Number of participants with Adverse Events (AEs)
  • Number of participants with laboratory value abnormalities and/or adverse events (AEs)
  • Treatment discontinuation rate due to AEs

Planned enrollment: 240 (estimated).

Where

Recruiting US sites

  • Arkansas Urology Associates, Little Rock, Arkansas
  • Stanford University School of Medicine, Stanford, California
  • University of Illinois College of Medicine - UIC Cancer Center, Chicago, Illinois
  • Accellacare of Duly, Lisle, Illinois
  • Indiana University School of Medicine - Simon Cancer Center, Indianapolis, Indiana
  • The University of Kansas Cancer Center, Westwood, Kansas
  • Karmanos Cancer Institute, Detroit, Michigan
  • Profound Research LLC at Michigan Hematology and Oncology Consultants, Royal Oak, Michigan
  • Sidney Kimmel Comprehensive Cancer Center (SKCCC) Cherry Hill, Cherry Hill, New Jersey
  • Sidney Kimmel Comprehensive Cancer Center (SKCC) Washington Township, Washington Township, New Jersey
  • NYU Langone Urology Associates, New York, New York
  • Centers for Advanced Urology, LLP, Bala-Cynwyd, Pennsylvania
  • Thomas Jefferson University, Philadelphia, Pennsylvania
  • Sidney Kimmel Comprehensive Cancer - Asplundh Cancer Pavilion, Willow Grove, Pennsylvania
  • Carolina Urologic Research Center, Myrtle Beach, South Carolina
  • The University of Texas MD Anderson Cancer Center, Houston, Texas
  • Urology Austin, PLLC, Round Rock, Texas
  • Urology San Antonio, San Antonio, Texas
  • University of Wisconsin Hospitals and Clinics, Madison, Wisconsin

47 recruiting sites outside the US. Site status as of Oct 30, 2026. Check the live record before contacting a site.

Sources

Where this comes from

Registry record reviewed as fetched Oct 30, 2026, last updated by the sponsor Oct 21, 2026. Public record; not medical advice.

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