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Completed Phase 1 Interventional

Safety and Tolerability of Atezolizumab (ATZ) in Combination With Radium-223 Dichloride (R-223-D) in Metastatic Castrate-Resistant Prostate Cancer (CRPC) Progressed Following Treatment With an Androgen Pathway Inhibitor

ClinicalTrials.gov ID: NCT02814669

Public ClinicalTrials.gov record NCT02814669. 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 Oct 22, 2026, 9:03 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 Ib, Open-Label Study of the Safety and Tolerability of Atezolizumab in Combination With Radium-223 Dichloride in Patients With Castrate-Resistant Prostate Cancer Who Have Progressed Following Treatment With an Androgen Pathway Inhibitor

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study is designed to assess the safety and tolerability of atezolizumab when given in combination with radium-223 dichloride in participants with metastatic CRPC who have progressed after treatment with an androgen pathway inhibitor. This adaptive design study includes a cohort phase and a potential randomization phase. An initial concurrent dosing evaluation will evaluate the safety and tolerability of a treatment regimen that employs a concurrent start time for atezolizumab and radium-223 dichloride (Cohort 1). If concurrent dosing is found to be safe and tolerable in Cohort 1, additional participants will be enrolled and eligible participants will be randomized in a 1:1:1 ratio to Arms A, B, and C. If concurrent dosing is not tolerated in Cohort 1, new participants will be enrolled in a staggered dosing evaluation: Cohort 2 (28-day radium-223 dichloride run-in, atezolizumab will begin on Day 1 of Cycle 2) and Cohort 3 (56-day radium-223 dichloride run-in, atezolizumab will begin on Day 1 of Cycle 3). If the Cohort 2 schedule is tolerable, then additional participants will be enrolled using this treatment schedule; If the Cohort 2 schedule is not tolerable, subsequent participants will be enrolled in Cohort 3. If the Cohort 3 schedule is tolerable, then additional participants will be enrolled using this treatment schedule. If Cohort 3 schedule is not tolerable, no additional participant will be enrolled in the study.

Study identification

NCT ID
NCT02814669
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Hoffmann-La Roche
Industry
Enrollment
45 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
Male
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
Sep 23, 2016 (Actual)
Primary completion
Jul 31, 2019 (Actual)
Completion
Jul 31, 2019 (Actual)
Last update posted
Sep 24, 2019

2016 – 2019

United States locations

U.S. sites
17
U.S. states
14
U.S. cities
17
Facility City State ZIP Site status
City of Hope Duarte California 91010 —
University of California, San Francisco, Helen Diller Family Comprehensive Cancer Center San Francisco California 94158 —
Yale School of Medicine New Haven Connecticut 06510 —
Georgetown University Medical Center Washington D.C. District of Columbia 20007 —
Mayo Clinic Hospital - Florida Jacksonville Florida 32224 —
Indiana University Health Melvin & Bren Simon Cancer Center Indianapolis Indiana 46202 —
Tulane University School of Medicine New Orleans Louisiana 70112-2600 —
University of Michigan Comprehensive Cancer Center Ann Arbor Michigan 48109 —
Karmanos Cancer Institute Detroit Michigan 48201 —
Mayo Clinic - Minnesota Rochester Minnesota 55905 —
Comprehensive Cancer Centers of Nevada (CCCN) - Central Valley Las Vegas Nevada 89169 —
Memorial Sloan-Kettering Cancer Center Commack New York 11725 —
Duke University Hospital Durham North Carolina 27710 —
Thomas Jefferson University Hospital Philadelphia Pennsylvania 19107 —
University of Pittsburgh - Hillman Cancer Center Pittsburgh Pennsylvania 15232-1301 —
Vanderbilt University Medical Center Nashville Tennessee 37232 —
University of Washington Seattle Washington 98195 —

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02814669, 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 Sep 24, 2019 · Synced Oct 22, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT02814669 live on ClinicalTrials.gov.

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