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A Study of Ivonescimab in Combination With Enfortumab Vedotin vs Pembrolizumab in Combination With Enfortumab Vedotin in Metastatic Urothelial Carcinoma

RECRUITINGPhase 2/3Sponsored by Summit Therapeutics
Actively Recruiting
PhasePhase 2/3
SponsorSummit Therapeutics
Started2026-09-10
Est. completion2030-10-31
Eligibility
Age18 Years+
Healthy vol.Accepted
Locations7 sites

Summary

A Randomized, Open-Label, Multicenter, Phase 2/3 Clinical Study of Ivonescimab in Combination with Enfortumab Vedotin vs Pembrolizumab in Combination with Enfortumab Vedotin in Previously Untreated Locally Advanced or Metastatic Urothelial Carcinoma (HARMONi-GU1)

Eligibility

Age: 18 Years+Healthy volunteers accepted
Inclusion Criteria:

* 18 years and older
* ECOG 0-1
* Life expectancy ≥ 6 months
* Histologically documented unresectable LA/mUC (transitional cell carcinoma) of the bladder, renal pelvis, ureter, or urethra with ≥50% urothelial carcinoma component
* No prior systemic therapy for LA/mUC
* At least one measurable non-cerebral lesion according to RECIST v1.1
* Adequate organ function

Exclusion Criteria:

* Locally advanced disease that is resectable or suitable for local therapy with curative intent.
* Tumors containing any small cell or neuroendocrine differentiation
* Ongoing sensory or motor neuropathy Grade 2 or higher.
* Radiographic findings consistent with a high risk of bleeding
* History of perforation of the gastrointestinal tract and/or fistula, history of gastrointestinal obstruction, extensive bowel resection within 6 months prior to first dose.

Conditions3

CancerMetastatic Urothelial CarcinomaMetastatic Urothelial Carcinoma (UC)

Interventions5

Locations7 sites

Research Site
Research Site
Research Site
Washington D.C., District of Columbia, 20010
Research Site
Research Site
Rochester, Minnesota, 55905

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Trial data from ClinicalTrials.gov. Trial status and eligibility can change — verify directly with the study contact or on ClinicalTrials.gov.

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