Clinical trialNCT04402788RecruitingPhase 2/PHASE3Interventional

Testing the Addition of Radiation Therapy to the Usual Immune Therapy Treatment (Atezolizumab) for Extensive Stage Small Cell Lung Cancer, The RAPTOR Trial

SponsorNational Cancer Institute (NCI)Enrollment138Extensive Stage Lung Small Cell 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.

Quynh-Nhu Nguyen
NRG Oncology
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

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

United States

University of Alabama at Birmingham Cancer Center
Birmingham, Alabama, United States
Active, not recruiting
Katmai Oncology Group
Anchorage, Alaska, United States
Dan S. Zuckerman
Recruiting
Cancer Center at Saint Joseph'S
Phoenix, Arizona, United States
Shahzad Siddique
Recruiting
Mayo Clinic Hospital in Arizona
Phoenix, Arizona, United States
Suspended
Mayo Clinic in Arizona
Scottsdale, Arizona, United States
Suspended
Banner University Medical Center - Tucson
Tucson, Arizona, United States
Active, not recruiting
University of Arizona Cancer Center-North Campus
Tucson, Arizona, United States
Active, not recruiting
Nea Baptist Memorial Hospital and Fowler Family Cancer Center - Jonesboro
Jonesboro, Arkansas, United States
Philip E. Lammers
Recruiting
Uci Health - Chao Family Comprehensive Cancer Center and Ambulatory Care
Irvine, California, United States
Jeremy P. Harris
Recruiting
Uc Irvine Health/chao Family Comprehensive Cancer Center
Orange, California, United States
Active, not recruiting
Palo Alto Medical Foundation Health Care
Palo Alto, California, United States
Suspended
Sutter Cancer Centers Radiation Oncology Services-Roseville
Roseville, California, United States
Suspended
Sutter Medical Center Sacramento
Sacramento, California, United States
Suspended
California Pacific Medical Center-Pacific Campus
San Francisco, California, United States
Suspended
Palo Alto Medical Foundation-Sunnyvale
Sunnyvale, California, United States
Suspended
Memorial Hospital North
Colorado Springs, Colorado, United States
Active, not recruiting
Penrose-Saint Francis Healthcare
Colorado Springs, Colorado, United States
Suspended
Rocky Mountain Cancer Centers-Penrose
Colorado Springs, Colorado, United States
Suspended
Uchealth Memorial Hospital Central
Colorado Springs, Colorado, United States
Active, not recruiting
Cancer Care and Hematology-Fort Collins
Fort Collins, Colorado, United States
Active, not recruiting
Poudre Valley Hospital
Fort Collins, Colorado, United States
Active, not recruiting
Uchealth Greeley Hospital
Greeley, Colorado, United States
Active, not recruiting
Medical Center of the Rockies
Loveland, Colorado, United States
Active, not recruiting
Smilow Cancer Hospital Care Center-Fairfield
Fairfield, Connecticut, United States
Henry S. Park
Recruiting
Smilow Cancer Hospital Care Center at Greenwich
Greenwich, Connecticut, United States
Henry S. Park
Recruiting
Smilow Cancer Hospital Care Center - Guilford
Guilford, Connecticut, United States
Henry S. Park
Recruiting
Smilow Cancer Hospital-Hamden Care Center
Hamden, Connecticut, United States
Henry S. Park
Recruiting
Yale University
New Haven, Connecticut, United States
Henry S. Park
Recruiting
Yale-New Haven Hospital North Haven Medical Center
North Haven, Connecticut, United States
Henry S. Park
Recruiting
Smilow Cancer Hospital Care Center at Long Ridge
Stamford, Connecticut, United States
Henry S. Park
Recruiting
Smilow Cancer Hospital-Torrington Care Center
Torrington, Connecticut, United States
Henry S. Park
Recruiting
Smilow Cancer Hospital Care Center-Trumbull
Trumbull, Connecticut, United States
Henry S. Park
Recruiting
Smilow Cancer Hospital-Waterbury Care Center
Waterbury, Connecticut, United States
Henry S. Park
Recruiting
Smilow Cancer Hospital Care Center - Waterford
Waterford, Connecticut, United States
Henry S. Park
Recruiting
Beebe South Coastal Health Campus
Millville, Delaware, United States
Gregory A. Masters
Recruiting
Helen F Graham Cancer Center
Newark, Delaware, United States
Gregory A. Masters
Recruiting
Medical Oncology Hematology Consultants Pa
Newark, Delaware, United States
Gregory A. Masters
Recruiting
Beebe Health Campus
Rehoboth Beach, Delaware, United States
Gregory A. Masters
Recruiting
Mount Sinai Comprehensive Cancer Center at Aventura
Aventura, Florida, United States
Active, not recruiting
Um Sylvester Comprehensive Cancer Center at Coral Gables
Coral Gables, Florida, United States
Alan Libardi Dal Pra
Recruiting

376 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: 7 Jan 2021
Primary completion: 30 Apr 2027
Completion: 30 Apr 2027
Last update posted: 2 Jul 2026
Registered enrollment: 138
Registry id: NCT04402788

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.