Clinical trialNCT05058651RecruitingPhase 2,PHASE3Interventional

Evaluating the Addition of the Immunotherapy Drug Atezolizumab to Standard Chemotherapy Treatment for Advanced or Metastatic Neuroendocrine Carcinomas That Originate Outside the Lung

SponsorNational Cancer Institute (NCI)Enrollment189Advanced Extrapulmonary Neuroendocrine CarcinomaMetastatic Extrapulmonary Neuroendocrine CarcinomaRecurrent Extrapulmonary Neuroendocrine CarcinomaUnresectable Extrapulmonary Neuroendocrine Carcinoma

View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

David B Zhen
SWOG Cancer Research Network
Principal Investigator
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

255 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

Alaska Women'S Cancer Care
Anchorage, Alaska, United States
Suspended
Cancer Center at Saint Joseph'S
Phoenix, Arizona, United States
Shahzad Siddique
Recruiting
Mayo Clinic Hospital in Arizona
Phoenix, Arizona, United States
Jacob Orme
Recruiting
Kaiser Permanente-Anaheim
Anaheim, California, United States
Helen H. Moon
Recruiting
Sutter Auburn Faith Hospital
Auburn, California, United States
Kristie A. Bobolis
Recruiting
Sutter Cancer Centers Radiation Oncology Services-Auburn
Auburn, California, United States
Kristie A. Bobolis
Recruiting
Kaiser Permanente-Baldwin Park
Baldwin Park, California, United States
Helen H. Moon
Recruiting
Kaiser Permanente-Bellflower
Bellflower, California, United States
Helen H. Moon
Recruiting
Alta Bates Summit Medical Center-Herrick Campus
Berkeley, California, United States
Kristie A. Bobolis
Recruiting
Sutter Cancer Centers Radiation Oncology Services-Cameron Park
Cameron Park, California, United States
Kristie A. Bobolis
Recruiting
Mercy Cancer Center - Carmichael
Carmichael, California, United States
Shahzad Siddique
Recruiting
Mercy San Juan Medical Center
Carmichael, California, United States
Shahzad Siddique
Recruiting
Mercy Cancer Center - Elk Grove
Elk Grove, California, United States
Shahzad Siddique
Recruiting
Kaiser Permanente-Fontana
Fontana, California, United States
Helen H. Moon
Recruiting
Palo Alto Medical Foundation-Fremont
Fremont, California, United States
Kristie A. Bobolis
Recruiting
Kaiser Permanente South Bay
Harbor City, California, United States
Helen H. Moon
Recruiting
Kaiser Permanente-Irvine
Irvine, California, United States
Helen H. Moon
Recruiting
Kaiser Permanente Los Angeles Medical Center
Los Angeles, California, United States
Helen H. Moon
Recruiting
Kaiser Permanente West Los Angeles
Los Angeles, California, United States
Helen H. Moon
Recruiting
Memorial Medical Center
Modesto, California, United States
Kristie A. Bobolis
Recruiting
Palo Alto Medical Foundation-Camino Division
Mountain View, California, United States
Kristie A. Bobolis
Recruiting
Kaiser Permanente-Ontario
Ontario, California, United States
Helen H. Moon
Recruiting
Palo Alto Medical Foundation Health Care
Palo Alto, California, United States
Suspended
Kaiser Permanente - Panorama City
Panorama City, California, United States
Helen H. Moon
Recruiting
Kaiser Permanente-Riverside
Riverside, California, United States
Helen H. Moon
Recruiting
Mercy Cancer Center - Rocklin
Rocklin, California, United States
Shahzad Siddique
Recruiting
Sutter Cancer Centers Radiation Oncology Services-Roseville
Roseville, California, United States
Kristie A. Bobolis
Recruiting
Sutter Roseville Medical Center
Roseville, California, United States
Kristie A. Bobolis
Recruiting
Mercy Cancer Center - Sacramento
Sacramento, California, United States
Shahzad Siddique
Recruiting
Sutter Medical Center Sacramento
Sacramento, California, United States
Kristie A. Bobolis
Recruiting
Kaiser Permanente-San Diego Zion
San Diego, California, United States
Helen H. Moon
Recruiting
California Pacific Medical Center-Pacific Campus
San Francisco, California, United States
Kristie A. Bobolis
Recruiting
Kaiser Permanente-San Marcos
San Marcos, California, United States
Helen H. Moon
Recruiting
Palo Alto Medical Foundation-Santa Cruz
Santa Cruz, California, United States
Kristie A. Bobolis
Recruiting
Sutter Pacific Medical Foundation
Santa Rosa, California, United States
Kristie A. Bobolis
Recruiting
Palo Alto Medical Foundation-Sunnyvale
Sunnyvale, California, United States
Kristie A. Bobolis
Recruiting
Sutter Solano Medical Center/cancer Center
Vallejo, California, United States
Kristie A. Bobolis
Recruiting
Woodland Memorial Hospital
Woodland, California, United States
Shahzad Siddique
Recruiting
Kaiser Permanente-Woodland Hills
Woodland Hills, California, United States
Helen H. Moon
Recruiting
Adventhealth Porter
Denver, Colorado, United States
Yousuf A. Gaffar
Recruiting

215 more sites on the registry record.ClinicalTrials.gov ↗

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 28 Jun 2022
Primary completion: 1 Oct 2028
Completion: 1 Oct 2028
Last update posted: 8 Jul 2026
Registered enrollment: 189
Registry id: NCT05058651

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.