ClinicalTrials.gov record
Completed Phase 1 Interventional

A Phase 1 Dose-escalation Study of UGN-301 in Patients With Recurrent Non-muscle Invasive Bladder Cancer (NMIBC)

ClinicalTrials.gov ID: NCT05375903

Public ClinicalTrials.gov record NCT05375903. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced May 18, 2026, 4:02 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 1, Open-label, Dose-escalation Study to Investigate the Safety, Tolerability, and Pharmacokinetics of UGN-301 (Zalifrelimab) Administered Intravesically as Monotherapy and in Combination With Other Agents in Patients With Recurrent NMIBC

Study identification

NCT ID
NCT05375903
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
UroGen Pharma Ltd.
Industry
Enrollment
51 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
May 31, 2022
Primary completion
Jan 8, 2026
Completion
Jan 8, 2026
Last update posted
Jan 13, 2026

2022 – 2026

United States locations

U.S. sites
7
U.S. states
7
U.S. cities
7
Facility City State ZIP Site status
Arkansas Urology Little Rock Arkansas 72211
UCLA - University of California Los Angeles California 90095
Florida Urology Partners, LLC Tampa Florida 33615
Johns Hopkins University Baltimore Maryland 21287
Manhattan Medical Research New York New York 10016
Clinical Research Solutions Middleburg Heights Ohio 44130
Penn State Milton S Hershey Medical Center Hershey Pennsylvania 17033

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 6 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05375903, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jan 13, 2026 · Synced May 18, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05375903 live on ClinicalTrials.gov.

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