Study of Radiation Therapy Followed by Atezolizumab in Stage II or III Non-small Cell Lung Cancer Patients

May 12, 2026 updated by: National Cancer Institute (NCI)

A Pilot Study of Hypofractionated Radiotherapy Followed by Atezolizumab Consolidation in Stage II or III NSCLC Patients With Borderline Performance Status

This phase II trial studies the side effects of radiation therapy followed by atezolizumab in treating patients with stage II or III non-small cell lung cancer. Hypofractionated radiation therapy delivers higher doses of radiation therapy over a shorter period of time and may kill more cancer cells and have fewer side effects. Immunotherapy with monoclonal antibodies, such as atezolizumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. The purpose of this study is to test the safety and effectiveness of radiation therapy followed by atezolizumab and find out what side effects, if any, it has on patient's non-small cell lung cancer.

Study Overview

Detailed Description

PRIMARY OBJECTIVE:

I. To evaluate the rate of grade 3-5 treatment-related adverse events (TRAEs) in patients who are not candidates for surgery or concurrent chemoradiation and who have either performance status 0-2 and stage II or performance status 2 and stage III non-small cell lung cancer (NSCLC), treated with hypofractionated thoracic radiotherapy followed by atezolizumab.

SECONDARY OBJECTIVES:

I. To evaluate response rate (confirmed and unconfirmed, complete and partial by Response Evaluation Criteria in Solid Tumors [RECIST] 1.1) from Registration Step 2 in the subset of patients with measurable disease.

II. To evaluate response rate (confirmed and unconfirmed, complete and partial by RECIST 1.1) during radiation therapy in the subset of patients with measurable disease.

III. To evaluate progression free survival (PFS) from Registration Step 2 by RECIST 1.1.

IV. To evaluate overall survival (OS) from Registration Step 2. V. To evaluate the frequency and severity of toxicities.

ADDITIONAL OBJECTIVE:

I. To bank blood and archival tissue for future research.

OUTLINE:

RADIATION THERAPY: Patients undergo hypofractionated radiation therapy 5 days per week over 3 weeks for 15 fractions in the absence of disease progression or unacceptable toxicity.

CONSOLIDATION: Patients receive atezolizumab intravenously (IV) over 30-60 minutes on day 1 of each cycle. Cycles repeat every 21 days for up to 12 months (maximum of 17 cycles) in the absence of disease progression or unacceptable toxicity. Patients undergo computed tomography (CT) scan and may undergo magnetic resonance imaging (MRI) throughout the study, as well as blood sample collection on study.

After completion of study treatment, patients are followed up at 6 weeks, every 12 months for the 1 year, then every 6 months until 3 years after study start.

Study Type

Interventional

Enrollment (Estimated)

47

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Alabama
      • Birmingham, Alabama, United States, 35233
        • University of Alabama at Birmingham Cancer Center
    • Alaska
      • Anchorage, Alaska, United States, 98508
        • Anchorage Associates in Radiation Medicine
      • Anchorage, Alaska, United States, 99508
        • Alaska Breast Care and Surgery LLC
      • Anchorage, Alaska, United States, 99508
        • Alaska Oncology and Hematology LLC
      • Anchorage, Alaska, United States, 99508
        • Alaska Women's Cancer Care
      • Anchorage, Alaska, United States, 99508
        • Katmai Oncology Group
      • Anchorage, Alaska, United States, 99508
        • Providence Alaska Medical Center
    • Arkansas
      • Jonesboro, Arkansas, United States, 72401
        • NEA Baptist Memorial Hospital and Fowler Family Cancer Center - Jonesboro
    • California
      • Sacramento, California, United States, 95817
        • University of California Davis Comprehensive Cancer Center
    • Colorado
      • Denver, Colorado, United States, 80210
        • AdventHealth Porter
      • Littleton, Colorado, United States, 80122
        • AdventHealth Littleton
      • Parker, Colorado, United States, 80138
        • AdventHealth Parker
    • Florida
      • Aventura, Florida, United States, 33180
        • Mount Sinai Comprehensive Cancer Center at Aventura
      • Miami Beach, Florida, United States, 33140
        • Mount Sinai Medical Center
    • Georgia
      • Augusta, Georgia, United States, 30912
        • Augusta University Medical Center
      • Newnan, Georgia, United States, 30265
        • CTCA at Southeastern Regional Medical Center
    • Hawaii
      • Honolulu, Hawaii, United States, 96813
        • Queen's Medical Center
      • Honolulu, Hawaii, United States, 96817
        • The Cancer Center of Hawaii-Liliha
      • Honolulu, Hawaii, United States, 96813
        • Hawaii Cancer Care Inc - Waterfront Plaza
      • Honolulu, Hawaii, United States, 96813
        • Queen's Cancer Cenrer - POB I
      • Honolulu, Hawaii, United States, 96813
        • Straub Clinic and Hospital
      • Honolulu, Hawaii, United States, 96813
        • University of Hawaii Cancer Center
      • Honolulu, Hawaii, United States, 96817
        • Hawaii Cancer Care Inc-Liliha
      • Honolulu, Hawaii, United States, 96817
        • Queen's Cancer Center - Kuakini
      • Honolulu, Hawaii, United States, 96826
        • Kapiolani Medical Center for Women and Children
      • Honolulu, Hawaii, United States, 96813
        • Island Urology
      • Lihue, Hawaii, United States, 96766
        • Wilcox Memorial Hospital and Kauai Medical Clinic
      • ‘Aiea, Hawaii, United States, 96701
        • Hawaii Cancer Care - Westridge
      • ‘Aiea, Hawaii, United States, 96701
        • Pali Momi Medical Center
      • ‘Aiea, Hawaii, United States, 96701
        • Queen's Cancer Center - Pearlridge
      • ‘Aiea, Hawaii, United States, 96701
        • The Cancer Center of Hawaii-Pali Momi
    • Idaho
      • Nampa, Idaho, United States, 83687
        • Saint Alphonsus Cancer Care Center-Nampa
    • Illinois
      • Bloomington, Illinois, United States, 61704
        • Illinois CancerCare-Bloomington
      • Canton, Illinois, United States, 61520
        • Illinois CancerCare-Canton
      • Carthage, Illinois, United States, 62321
        • Illinois CancerCare-Carthage
      • Centralia, Illinois, United States, 62801
        • Centralia Oncology Clinic
      • Centralia, Illinois, United States, 62801
        • Saint Mary's Hospital
      • Chicago, Illinois, United States, 60612
        • University of Illinois
      • Chicago, Illinois, United States, 60612
        • Jesse Brown Veterans Affairs Medical Center
      • Danville, Illinois, United States, 61832
        • Carle at The Riverfront
      • Decatur, Illinois, United States, 62526
        • Decatur Memorial Hospital
      • Decatur, Illinois, United States, 62526
        • Cancer Care Specialists of Illinois - Decatur
      • Effingham, Illinois, United States, 62401
        • Crossroads Cancer Center
      • Effingham, Illinois, United States, 62401
        • Carle Physician Group-Effingham
      • Eureka, Illinois, United States, 61530
        • Illinois CancerCare-Eureka
      • Galesburg, Illinois, United States, 61401
        • Illinois CancerCare-Galesburg
      • Kewanee, Illinois, United States, 61443
        • Illinois CancerCare-Kewanee Clinic
      • Macomb, Illinois, United States, 61455
        • Illinois CancerCare-Macomb
      • Mattoon, Illinois, United States, 61938
        • Carle Physician Group-Mattoon/Charleston
      • O'Fallon, Illinois, United States, 62269
        • Cancer Care Center of O'Fallon
      • O'Fallon, Illinois, United States, 62269
        • HSHS Saint Elizabeth's Hospital
      • Ottawa, Illinois, United States, 61350
        • Illinois CancerCare-Ottawa Clinic
      • Pekin, Illinois, United States, 61554
        • Illinois CancerCare-Pekin
      • Peoria, Illinois, United States, 61636
        • Methodist Medical Center of Illinois
      • Peoria, Illinois, United States, 61615
        • Illinois CancerCare-Peoria
      • Peru, Illinois, United States, 61354
        • Illinois CancerCare-Peru
      • Princeton, Illinois, United States, 61356
        • Illinois CancerCare-Princeton
      • Springfield, Illinois, United States, 62702
        • Southern Illinois University School of Medicine
      • Springfield, Illinois, United States, 62702
        • Springfield Clinic
      • Springfield, Illinois, United States, 62781
        • Springfield Memorial Hospital
      • Urbana, Illinois, United States, 61801
        • Carle Cancer Center
      • Urbana, Illinois, United States, 61801
        • The Carle Foundation Hospital
      • Washington, Illinois, United States, 61571
        • Illinois CancerCare - Washington
    • Iowa
      • Ames, Iowa, United States, 50010
        • Mary Greeley Medical Center
      • Ames, Iowa, United States, 50010
        • McFarland Clinic - Ames
      • Ankeny, Iowa, United States, 50023
        • UI Health Care Mission Cancer and Blood - Ankeny Clinic
      • Clive, Iowa, United States, 50325
        • Mercy Cancer Center-West Lakes
      • Clive, Iowa, United States, 50325
        • UI Health Care Mission Cancer and Blood - West Des Moines Clinic
      • Creston, Iowa, United States, 50801
        • Greater Regional Medical Center
      • Des Moines, Iowa, United States, 50309
        • Iowa Methodist Medical Center
      • Des Moines, Iowa, United States, 50314
        • Mercy Medical Center - Des Moines
      • Des Moines, Iowa, United States, 50314
        • Broadlawns Medical Center
      • Des Moines, Iowa, United States, 50316
        • Iowa Lutheran Hospital
      • Des Moines, Iowa, United States, 50309
        • UI Health Care Mission Cancer and Blood - Des Moines Clinic
      • Des Moines, Iowa, United States, 50314
        • UI Health Care Mission Cancer and Blood - Laurel Clinic
      • Waukee, Iowa, United States, 50263
        • UI Health Care Mission Cancer and Blood - Waukee Clinic
      • West Des Moines, Iowa, United States, 50266-7700
        • Methodist West Hospital
      • West Des Moines, Iowa, United States, 50266
        • Mercy Medical Center-West Lakes
    • Kentucky
      • Lexington, Kentucky, United States, 40504
        • Saint Joseph Radiation Oncology Resource Center
      • Lexington, Kentucky, United States, 40509
        • Saint Joseph Hospital East
      • Lexington, Kentucky, United States, 40504
        • Saint Joseph Hospital
    • Massachusetts
      • Beverly, Massachusetts, United States, 01915
        • Beverly Hospital
      • Burlington, Massachusetts, United States, 01805
        • Lahey Hospital and Medical Center
      • Gloucester, Massachusetts, United States, 01930
        • Addison Gilbert Hospital
      • Peabody, Massachusetts, United States, 01960
        • Lahey Medical Center-Peabody
      • Winchester, Massachusetts, United States, 01890
        • Beth Israel Deaconess Medical Center/Winchester Center for Cancer Care
    • Michigan
      • Novi, Michigan, United States, 48374
        • Henry Ford Health Providence Novi Hospital
      • Southfield, Michigan, United States, 48075
        • Henry Ford Health Providence Southfield Hospital
    • Minnesota
      • Edina, Minnesota, United States, 55435
        • Fairview Southdale Hospital
      • Minneapolis, Minnesota, United States, 55415
        • Hennepin County Medical Center
      • Minneapolis, Minnesota, United States, 55454
        • Health Partners Inc
      • Saint Paul, Minnesota, United States, 55101
        • Regions Hospital
      • Stillwater, Minnesota, United States, 55082
        • Lakeview Hospital
    • Mississippi
      • Southhaven, Mississippi, United States, 38671
        • Baptist Memorial Hospital and Cancer Center-Desoto
    • Missouri
      • Cape Girardeau, Missouri, United States, 63703
        • Saint Francis Medical Center
      • Farmington, Missouri, United States, 63640
        • Parkland Health Center - Farmington
      • Rolla, Missouri, United States, 65401
        • Mercy Clinic-Rolla-Cancer and Hematology
      • Rolla, Missouri, United States, 65401
        • Phelps Health Delbert Day Cancer Institute
      • Sainte Genevieve, Missouri, United States, 63670
        • Sainte Genevieve County Memorial Hospital
      • Springfield, Missouri, United States, 65804
        • Mercy Hospital Springfield
      • St Louis, Missouri, United States, 63131
        • Missouri Baptist Medical Center
      • Sullivan, Missouri, United States, 63080
        • Missouri Baptist Sullivan Hospital
      • Sunset Hills, Missouri, United States, 63127
        • BJC Outpatient Center at Sunset Hills
    • Montana
      • Bozeman, Montana, United States, 59715
        • Bozeman Health Deaconess Hospital
      • Great Falls, Montana, United States, 59405
        • Benefis Sletten Cancer Institute
      • Kalispell, Montana, United States, 59901
        • Logan Health Medical Center
    • New Mexico
      • Albuquerque, New Mexico, United States, 87106
        • University of New Mexico Cancer Center
    • New York
      • The Bronx, New York, United States, 10461
        • Montefiore Medical Center-Einstein Campus
      • The Bronx, New York, United States, 10467
        • Montefiore Medical Center - Moses Campus
      • The Bronx, New York, United States, 10461
        • Montefiore Medical Center-Weiler Hospital
    • Ohio
      • Centerville, Ohio, United States, 45459
        • Miami Valley Hospital South
      • Centerville, Ohio, United States, 45459
        • Dayton Physicians LLC-Miami Valley South
      • Dayton, Ohio, United States, 45409
        • Miami Valley Hospital
      • Dayton, Ohio, United States, 45415
        • Miami Valley Hospital North
      • Dayton, Ohio, United States, 45415
        • Dayton Physician LLC - Englewood
      • Dayton, Ohio, United States, 45409
        • Premier Blood and Cancer Center
      • Franklin, Ohio, United States, 45005-1066
        • Atrium Medical Center-Middletown Regional Hospital
      • Greenville, Ohio, United States, 45331
        • Miami Valley Cancer Care and Infusion
      • Troy, Ohio, United States, 45373
        • Upper Valley Medical Center
      • Troy, Ohio, United States, 45373
        • Dayton Physicians LLC - Troy
    • Oklahoma
      • Lawton, Oklahoma, United States, 73505
        • Cancer Centers of Southwest Oklahoma Research
      • Oklahoma City, Oklahoma, United States, 73104
        • University of Oklahoma Health Sciences Center
    • Oregon
      • Clackamas, Oregon, United States, 97015
        • Clackamas Radiation Oncology Center
      • Portland, Oregon, United States, 97239
        • Oregon Health and Science University
      • Portland, Oregon, United States, 97213
        • Providence Portland Medical Center
      • Portland, Oregon, United States, 97225
        • Providence Saint Vincent Medical Center
    • Pennsylvania
      • Erie, Pennsylvania, United States, 16505
        • UPMC Hillman Cancer Center Erie
      • Farrell, Pennsylvania, United States, 16121
        • UPMC Cancer Center at UPMC Horizon
      • Greensburg, Pennsylvania, United States, 15601
        • UPMC Cancer Centers - Arnold Palmer Pavilion
      • Greenville, Pennsylvania, United States, 16125
        • UPMC Hillman Cancer Center in Greenville/UPMC Horizon
      • Monroeville, Pennsylvania, United States, 15146
        • UPMC Hillman Cancer Center - Monroeville
      • Monroeville, Pennsylvania, United States, 15146
        • UPMC Cancer Center - Monroeville
      • New Castle, Pennsylvania, United States, 16105
        • UPMC Hillman Cancer Center - New Castle
      • Pittsburgh, Pennsylvania, United States, 15232
        • University of Pittsburgh Cancer Institute (UPCI)
      • Pittsburgh, Pennsylvania, United States, 15232
        • UPMC-Shadyside Hospital
      • Pittsburgh, Pennsylvania, United States, 15215
        • UPMC-Saint Margaret
      • Pittsburgh, Pennsylvania, United States, 15237
        • UPMC-Passavant Hospital
      • Pittsburgh, Pennsylvania, United States, 15243
        • UPMC-Saint Clair Hospital Cancer Center
      • Seneca, Pennsylvania, United States, 16346
        • UPMC Cancer Center at UPMC Northwest
      • Washington, Pennsylvania, United States, 15301
        • UPMC Washington Hospital Radiation Oncology
      • Washington, Pennsylvania, United States, 15301
        • UPMC Cancer Center-Washington
    • Tennessee
      • Collierville, Tennessee, United States, 38017
        • Baptist Memorial Hospital and Cancer Center-Collierville
      • Memphis, Tennessee, United States, 38120
        • Baptist Memorial Hospital and Cancer Center-Memphis
    • Texas
      • Dallas, Texas, United States, 75235
        • Parkland Memorial Hospital
      • Dallas, Texas, United States, 75390
        • UT Southwestern/Simmons Cancer Center-Dallas
      • Dallas, Texas, United States, 75237
        • UT Southwestern Simmons Cancer Center - RedBird
      • Fort Worth, Texas, United States, 76104
        • UT Southwestern/Simmons Cancer Center-Fort Worth
      • Richardson, Texas, United States, 75080
        • UT Southwestern Clinical Center at Richardson/Plano
      • San Antonio, Texas, United States, 78229
        • University of Texas Health Science Center at San Antonio
    • Washington
      • Seattle, Washington, United States, 98107
        • Swedish Medical Center-Ballard Campus
      • Seattle, Washington, United States, 98122
        • Swedish Medical Center-First Hill
      • Seattle, Washington, United States, 98122-5711
        • Swedish Medical Center-Cherry Hill
    • Wisconsin
      • Appleton, Wisconsin, United States, 54915
        • Ascension Saint Elizabeth Hospital
      • Brookfield, Wisconsin, United States, 53045
        • Ascension Southeast Wisconsin Hospital - Elmbrook Campus
      • Chilton, Wisconsin, United States, 53014
        • Ascension Calumet Hospital
      • Eau Claire, Wisconsin, United States, 54701
        • Marshfield Medical Center-EC Cancer Center
      • Franklin, Wisconsin, United States, 53132
        • Ascension Saint Francis - Reiman Cancer Center
      • Franklin, Wisconsin, United States, 53132
        • Ascension Southeast Wisconsin Hospital - Franklin
      • Marshfield, Wisconsin, United States, 54449
        • Marshfield Medical Center-Marshfield
      • Mequon, Wisconsin, United States, 53097
        • Ascension Columbia Saint Mary's Hospital Ozaukee
      • Milwaukee, Wisconsin, United States, 53210
        • Ascension Southeast Wisconsin Hospital - Saint Joseph Campus
      • Milwaukee, Wisconsin, United States, 53211
        • Ascension Columbia Saint Mary's Hospital - Milwaukee
      • Milwaukee, Wisconsin, United States, 53215
        • Ascension Saint Francis Hospital
      • Minocqua, Wisconsin, United States, 54548
        • Marshfield Medical Center - Minocqua
      • New Richmond, Wisconsin, United States, 54017
        • Cancer Center of Western Wisconsin
      • Oshkosh, Wisconsin, United States, 54904
        • Ascension Mercy Hospital
      • Racine, Wisconsin, United States, 53405
        • Ascension All Saints Hospital
      • Rice Lake, Wisconsin, United States, 54868
        • Marshfield Medical Center-Rice Lake
      • Stevens Point, Wisconsin, United States, 54482
        • Marshfield Medical Center-River Region at Stevens Point
      • Wauwatosa, Wisconsin, United States, 53226
        • Ascension Medical Group Southeast Wisconsin - Mayfair Road
      • Weston, Wisconsin, United States, 54476
        • Marshfield Medical Center - Weston

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • REGISTRATION STEP 1: Participants must have pathologic (cytological or histological) proof of non-small cell lung cancer (NSCLC)
  • REGISTRATION STEP 1: Participants must have stage III NSCLC with Zubrod performance status of 2 or stage II NSCLC with Zubrod performance status of 0-2
  • REGISTRATION STEP 1: Participants must not be candidates for surgical resection in the opinion of the treating investigator. Participants whose disease was previously resected must have experienced local or regional recurrence at least 12 months after resection
  • REGISTRATION STEP 1: Participants must not be candidates for concurrent chemoradiation in the opinion of the treating investigator
  • REGISTRATION STEP 1: Participants must have measurable or non-measurable disease documented by CT or MRI. Measurable disease must be assessed within 28 days prior to Registration Step 1. Non-measurable disease must be assessed within 42 days prior to Step 1 registration. The CT from a combined positron emission tomography (PET)/CT may be used only if it is of diagnostic quality. All known sites of disease must be assessed and documented on the Baseline Tumor Assessment Form (RECIST 1.1)
  • REGISTRATION STEP 1: Participants must have an MRI or CT scan of the brain with contrast within 28 days prior to Registration Step 1
  • REGISTRATION STEP 1: Participants' disease must fit within the radiation constraints in the opinion of a local radiation oncologist
  • REGISTRATION STEP 1: Participants may have received prior treatment for their lung cancer, including surgery, chemotherapy, targeted agents, and/or radiation treatment. At least 12 months must have elapsed since last treatment
  • REGISTRATION STEP 1: Participants may have had prior radiation therapy as long as the irradiated area does not overlap with the radiation field targeted for this study
  • REGISTRATION STEP 1: Participants must have recovered from any adverse effects of prior major surgery to the satisfaction of the treating physician. Biopsies and central IV access placement are not considered major surgery
  • REGISTRATION STEP 1: Absolute neutrophil count (ANC) >= 1500/mcl (obtained within 28 days prior to Registration Step 1)
  • REGISTRATION STEP 1: Platelet count >= 100,000/mcl (obtained within 28 days prior to Registration Step 1)
  • REGISTRATION STEP 1: Hemoglobin >= 9 grams/dL (obtained within 28 days prior to Registration Step 1)
  • REGISTRATION STEP 1: Total bilirubin =< 1.5 x institutional upper limit of normal (IULN) (obtained within 28 days prior to Registration Step 1)
  • REGISTRATION STEP 1: Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) =< 2.5 x IULN (obtained within 28 days prior to Registration Step 1)
  • REGISTRATION STEP 1: Serum creatinine =< 1.5 x IULN OR measured or calculated creatinine clearance >= 40 mL/min (obtained within 28 days prior to Registration Step 1)
  • REGISTRATION STEP 1: Participants must have percent predicted diffusing capacity of the lungs for carbon monoxide (DLCO) of at least 40% documented within 90 days prior to Registration Step 1
  • REGISTRATION STEP 1: Patient must not have had a prior history of interstitial lung disease or > grade 2 (Common Terminology Criteria for Adverse Events [CTCAE] version 5) pneumonitis
  • REGISTRATION STEP 1: Participants must not have active autoimmune disease requiring therapy within the past 6 months
  • REGISTRATION STEP 1: Participants must not have an active infection requiring therapy
  • REGISTRATION STEP 1: Participants must be ≥ 18 years old
  • REGISTRATION STEP 1: Participants must not be pregnant or nursing because atezolizumab has not been studied in pregnant or nursing women and the mechanism of action is expected to cause fetal harm. Women/men of reproductive potential must have agreed to use an effective contraceptive method while on protocol treatment and for five months after last dose of atezolizumab. A woman is considered to be of "reproductive potential" if she has had menses at any time in the preceding 12 consecutive months. In addition to routine contraceptive methods, "effective contraception" also includes heterosexual celibacy and surgery intended to prevent pregnancy (or with a side-effect of pregnancy prevention) defined as a hysterectomy, bilateral oophorectomy or bilateral tubal ligation. However, if at any point a previously celibate patient chooses to become heterosexually active during the time period for use of contraceptive measures outlined in the protocol, he/she is responsible for beginning contraceptive measures
  • REGISTRATION STEP 1: Participants with known human immunodeficiency virus (HIV) infection must be on effective anti-retroviral therapy and must have undetectable viral load at their most recent viral load test and within 6 months prior to Registration Step 1
  • REGISTRATION STEP 1: Patient must be tested for hepatitis B within 28 days prior to Registration Step 1. Patient must not have active (chronic or acute) hepatitis B virus (HBV) infection. Patients may have past or resolved HBV infection. Active HBV is defined as having a positive hepatitis B surface antigen (HBsAg) test. Past or resolved HBV is defined as having a negative HBsAG test and a positive total hepatitis B core antibody (HBcAb) test
  • REGISTRATION STEP 1: Patients must not have active hepatitis C virus (HCV) infection. Active HCV is defined as having a positive HCV antibody test followed by a positive HCV ribonucleic acid (RNA) test. Patient must have an HCV antibody test within 28 days prior to Registration Step 1. If the HCV antibody test is positive, the patient must also have an HCV quantitative RNA test within 28 days prior to Registration Step 1
  • REGISTRATION STEP 1: No other prior malignancy is allowed except for the following: adequately treated basal cell or squamous cell skin cancer, in situ cervical cancer, adequately treated Stage I or II cancer from which the patient is currently in complete remission, or any other cancer from which the patient has been disease free for three years. Participants with localized prostate cancer who are being followed by an active surveillance program are also eligible
  • REGISTRATION STEP 1: Participants must be offered optional participation in banking of specimens for future research
  • REGISTRATION STEP 1: Participants must be informed of the investigational nature of this study and must sign and give written informed consent in accordance with institutional and federal guidelines
  • REGISTRATION STEP 1: As a part of the Oncology Patient Enrollment Network (OPEN) registration process the treating institution's identity is provided in order to ensure that the current (within 365 days) date of institutional review board approval for this study has been entered in the system
  • REGISTRATION STEP 2: Participants must be registered to Step 2 within 42 days after completion of radiation treatment. Participants must have received at least 44 Gy of radiation treatment
  • REGISTRATION STEP 2: Participants must have no evidence of progression per RECIST 1.1 on CT scan of the chest, abdomen, and pelvis performed between 2 and 5 weeks after completion of radiation therapy
  • REGISTRATION STEP 2: Any toxicities from radiation therapy must have resolved to < grade 2
  • REGISTRATION STEP 2: ANC >= 1.5 x 10^3/uL (obtained within 28 days prior to Registration Step 2)
  • REGISTRATION STEP 2: Platelet count >= 100 x 10^3/uL (obtained within 28 days prior to Registration Step 2)
  • REGISTRATION STEP 2: Hemoglobin >= 9 grams/dL (obtained within 28 days prior to Registration Step 2)
  • REGISTRATION STEP 2: Total bilirubin =< 1.5 x institutional upper limit of normal (IULN) (obtained within 28 days prior to Registration Step 2)
  • REGISTRATION STEP 2: AST and ALT =< 2.5 x IULN (obtained within 28 days prior to Registration Step 2)
  • REGISTRATION STEP 2: Serum creatinine =< 1.5 x IULN OR measured or calculated creatinine clearance >= 40 mL/min (obtained within 28 days prior to Registration Step 2)
  • REGISTRATION STEP 2: Participants must not have received steroids in doses of more than prednisone 10 mg daily or equivalent within 14 days prior to Registration Step 2
  • REGISTRATION STEP 2: Participants must not have received a live vaccine within 28 days prior to Registration Step 2

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Treatment (hypofractionated radiation therapy, atezolizumab)

RADIATION THERAPY: Patients undergo hypofractionated radiation therapy 5 days per week over 3 weeks for 15 fractions in the absence of disease progression or unacceptable toxicity.

CONSOLIDATION: Patients receive atezolizumab IV over 30-60 minutes on day 1 of each cycle. Cycles repeat every 21 days for up to 12 months (maximum of 17 cycles) in the absence of disease progression or unacceptable toxicity. Patients undergo CT scan and may undergo MRI throughout the study, as well as blood sample collection on study.

Undergo MRI
Other Names:
  • MRI
  • Magnetic Resonance
  • Magnetic Resonance Imaging Scan
  • Medical Imaging, Magnetic Resonance / Nuclear Magnetic Resonance
  • MR
  • MR Imaging
  • MRI Scan
  • NMR Imaging
  • NMRI
  • Nuclear Magnetic Resonance Imaging
  • Magnetic Resonance Imaging (MRI)
  • sMRI
  • Magnetic resonance imaging (procedure)
  • MRIs
  • Structural MRI
Undergo blood sample collection
Other Names:
  • Biological Sample Collection
  • Biospecimen Collected
  • Specimen Collection
  • Sample Collection
Given IV
Other Names:
  • Tecentriq
  • MPDL3280A
  • RO5541267
  • RG7446
  • MPDL 3280A
  • MPDL 328OA
  • MPDL-3280A
  • MPDL328OA
  • RG-7446
  • RG 7446
  • RO 5541267
  • RO-5541267
Undergo CT scan
Other Names:
  • CT
  • CAT
  • CAT Scan
  • Computed Axial Tomography
  • Computerized Axial Tomography
  • Computerized Tomography
  • CT Scan
  • tomography
  • Computerized axial tomography (procedure)
  • Computerized Tomography (CT) scan
  • Diagnostic CAT Scan
  • Diagnostic CAT Scan Service Type
Undergo hypofractionated radiation therapy
Other Names:
  • Hypofractionated Radiotherapy
  • hypofractionation
  • Radiation, Hypofractionated
  • Hypofractionated

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Rate of grade 3-5 adverse events
Time Frame: From baseline, until 180 days from Step 2 registration
Individual toxicities with possible, probable or likely attribution to treatment along with the overall rate of grade 3, 4 or 5 toxicities attributable to treatment will be summarized.
From baseline, until 180 days from Step 2 registration

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Incidence of adverse events
Time Frame: Up to 3 years
Individual toxicities with possible, probable or likely attribution to treatment along with the overall rate of grade 3, 4 or 5 toxicities attributable to treatment will be summarized.
Up to 3 years
Response rate (confirmed and unconfirmed, complete and partial by Response Evaluation Criteria in Solid Tumors [RECIST] 1.1) in the subset of patients with measurable disease (Registration Step 2)
Time Frame: After atezolizumab treatment
Binary endpoints will be summarized as proportions with 95% Clopper-Pearson confidence intervals.
After atezolizumab treatment
Response rate (confirmed and unconfirmed, complete and partial by RECIST 1.1) in the subset of patients with measurable disease (Registration Step 1)
Time Frame: During radiation therapy
Binary endpoints will be summarized as proportions with 95% Clopper-Pearson confidence intervals.
During radiation therapy
Progression-free survival
Time Frame: From date of Step 2 registration to date of first documentation of progression or symptomatic deterioration, or death due to any cause, assessed up to 3 years
Estimated using the method of Kaplan-Meier. 95% confidence for the medians will be constructed using the method of Brookmeyer-Crowley.
From date of Step 2 registration to date of first documentation of progression or symptomatic deterioration, or death due to any cause, assessed up to 3 years
Overall survival
Time Frame: From date of Step 2 registration to date of death due to any cause, assessed up to 3 years
Estimated using the method of Kaplan-Meier. 95% confidence for the medians will be constructed using the method of Brookmeyer-Crowley.
From date of Step 2 registration to date of death due to any cause, assessed up to 3 years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Raid Aljumaily, SWOG Cancer Research Network

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

January 13, 2021

Primary Completion (Estimated)

September 1, 2026

Study Completion (Estimated)

September 1, 2026

Study Registration Dates

First Submitted

March 16, 2020

First Submitted That Met QC Criteria

March 16, 2020

First Posted (Actual)

March 17, 2020

Study Record Updates

Last Update Posted (Actual)

May 13, 2026

Last Update Submitted That Met QC Criteria

May 12, 2026

Last Verified

February 1, 2026

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

NCI is committed to sharing data in accordance with NIH policy. For more details on how clinical trial data is shared, access the link to the NIH data sharing policy page.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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