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Clinical Trial Active — Not Recruiting Phase III NCT04660344

A Study of Atezolizumab Versus Placebo as Adjuvant Therapy in Participants With High-risk Muscle-invasive Bladder Cancer (MIBC) Who Are ctDNA Positive Following Cystectomy

A Study of Atezolizumab Versus Placebo as Adjuvant Therapy in Participants With High-risk Muscle-invasive Bladder Cancer (MIBC) Who Are ctDNA Positive Following Cystectomy — Active Not Recruiting •…

📅 28 Sep 2026 ⏱ 1 min read
Active — Not Recruiting
Check the registry for current status and eligibility criteria.
Status
Active — Not Recruiting
Phase
Phase III
NCT ID
NCT04660344
Start
2021-05-03
Completion
2025-06-15
ClinicaliQ Trial Snapshot
  • A Study of Atezolizumab Versus Placebo as Adjuvant Therapy in Participants With High-risk Muscle-invasive Bladder Cancer (MIBC) Who Are ctDNA Positive Following Cystectomy — Active Not Recruiting • Phase III • Oncology • NCT04660344.
  • Atezolizumab immunotherapy versus placebo after bladder removal surgery in patients with high-risk cancer and detectable tumour DNA.

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What This Trial Is Studying

This is a global Phase III, randomized, placebo-controlled, double-blind study designed to evaluate the efficacy and safety of adjuvant treatment with atezolizumab compared with placebo in participants with MIBC who are circulating tumour deoxyribonucleic acid (ctDNA) positive and are at high risk for recurrence following cystectomy. Conditions: Muscle-invasive Bladder Cancer Interventions: Atezolizumab, Placebo, Signatera Lead Sponsor: Hoffmann-La Roche Planned Enrollment: 761 participants

Full Trial Details
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Eligibility criteria, protocol, and results when available
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