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QUILT-3.032: A Multicenter Clinical Trial of Intravesical Bacillus Calmette-Guerin (BCG) in Combination With ALT-803 (N-803) in Patients With BCG Unresponsive High Grade Non-Muscle Invasive Bladder Cancer

NCT03022825 · Status: ACTIVE_NOT_RECRUITING · Phase: PHASE2/PHASE3 · Type: INTERVENTIONAL · Enrollment: 190

Last updated 2025-10-16

No results posted yet for this study

Summary

This is a Phase II/III, open-label, single-arm, multicenter study of intravesical BCG plus N-803 or N-803 only in patients with BCG unresponsive high grade non-muscle invasive bladder cancer (NMIBC). All patients treated in the study will receive via a urinary catheter in the bladder, BCG plus N-803 or N-803 only weekly for 6 consecutive weeks (initial induction treatment period). After the first disease assessment, eligible patients will receive either a 3-week maintenance course or a 6-week re-induction course (second treatment period) at Month 3. Eligible patients will continue to receive maintenance treatment in the third treatment period at Months 6, 9, 12, and 18. Eligible patients have the option to receive maintenance treatment in the fourth treatment period at Months 24, 30, and 36. The study duration is 60 months.

Conditions

Interventions

DRUG

N-803 and BCG

BCG and N-803 will be mixed together (with saline) and administered via intravesical instillation weekly for 6 consecutive weeks (induction). After the first disease assessment, eligible patients will receive either a 3-week maintenance course or a 6-week re-induction course (second treatment period) at Month 3. Eligible patients will continue to receive maintenance treatment in the third treatment period at Months 6, 9, 12, and 18. Eligible patients have the option to receive maintenance treatment in the fourth treatment period at Months 24, 30, and 36.

DRUG

N-803

N-803 will be administered via intravesical instillation weekly for 6 consecutive weeks (induction). After the first disease assessment, eligible patients will receive either a 3-week maintenance course or a 6-week re-induction course (second treatment period) at Month 3. Eligible patients will continue to receive maintenance treatment in the third treatment period at Months 6, 9, 12, and 18. Eligible patients have the option to receive maintenance treatment in the fourth treatment period at Months 24, 30, and 36.

Sponsors & Collaborators

  • ImmunityBio, Inc.

    lead INDUSTRY

Principal Investigators

  • Karim Chamie, MD · University of California, Los Angeles

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2017-06-02
Primary Completion
2024-10-01
Completion
2029-03-01
FDA Drug
Yes

Countries

  • United States

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03022825 on ClinicalTrials.gov