NCT03274687

Brief Summary

This randomized phase III trial studies how well hypofractionated radiation therapy works compared to conventional radiation therapy after surgery in treating patients with prostate cancer. Hypofractionated radiation therapy delivers higher doses of radiation therapy over a shorter period of time and may kill more tumor cells and have fewer side effects. Conventional radiation therapy uses high energy x-rays, gamma rays, neutrons, protons, or other sources to kill tumor cells and shrink tumors. It is not yet known whether giving hypofractionated radiation therapy or conventional radiation therapy after surgery may work better in treating patients with prostate cancer.

Trial Health

90
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
296

participants targeted

Target at P50-P75 for phase_3

Timeline
Completed

Started Jul 2017

Longer than P75 for phase_3

Geographic Reach
3 countries

241 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 28, 2017

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

September 5, 2017

Completed
2 days until next milestone

First Posted

Study publicly available on registry

September 7, 2017

Completed
3.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 22, 2021

Completed
1.3 years until next milestone

Results Posted

Study results publicly available

June 6, 2022

Completed
3.6 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 23, 2025

Completed
Last Updated

July 9, 2026

Status Verified

June 1, 2026

Enrollment Period

3.6 years

First QC Date

September 5, 2017

Results QC Date

May 10, 2022

Last Update Submit

June 22, 2026

Conditions

Outcome Measures

Primary Outcomes (2)

  • Change in Urinary Domain of the Expanded Prostate Cancer Index (EPIC) at Two Years

    The EPIC is a prostate cancer health-related quality of life (HRQOL) self-administered instrument measuring patient-reported urinary, bowel, sexual, and hormonal symptoms related to prostate cancer treatments. Response options for each item form a Likert scale with scores transformed linearly to a 0-100 scale. Domain scores are also on a 0-100 scale with higher scores representing better HRQOL. The urinary domain contains 12 items. Change from baseline is calculated by subtracting baseline from later score, with a positive change score indicating increased HRQOL.

    Baseline (randomization), 2 years

  • Change in Bowel Domain of the Expanded Prostate Cancer Index (EPIC) at Two Years

    The EPIC is a prostate cancer health-related quality of life (HRQOL) self-administered instrument measuring patient-reported urinary, bowel, sexual, and hormonal symptoms related to prostate cancer treatments. Response options for each item form a Likert scale with scores transformed linearly to a 0-100 scale. Domain scores are also on a 0-100 scale with higher scores representing better HRQOL. The bowel domain contains 14 items. Change from baseline is calculated by subtracting baseline from later score, with a positive change score indicating increased HRQOL.

    Baseline, 2 years

Secondary Outcomes (10)

  • Change in Urinary Domain Score of the Expanded Prostate Cancer Index (EPIC) at End of Radiation Therapy (RT), 6 Months, 1 and 5 Years

    Baseline, end of RT, then 6 months,1 and 5 years from the start of RT (5 year time point has not yet been reached). RT dates depend on timing and duration of androgen deprivation therapy (ADT) (optional) and RT.

  • Change in Bowel Domain Score of the Expanded Prostate Cancer Index (EPIC) at End of RT, 6 Months, 1 and 5 Years

    Baseline, end of RT, then 6 months,1 and 5 years from the start of RT (5 year time point has not yet been reached). RT dates depend on timing and duration of ADT (optional) and RT.

  • Percentage of Participants With Biochemical Failure

    From randomization to last follow-up. Maximum follow-up at time of analysis was 3.0 years.

  • Percentage of Participants With Progression

    From randomization to last follow-up. Maximum follow-up at time of analysis was 3.0 years. Two-year rates reported here. Follow-up schedule: end of RT, then 6, 12, 18, 24 months from start of RT, then yearly.

  • Percentage of Participants With Local-Regional Failure

    From randomization to last follow-up. Maximum follow-up at time of analysis was 3.0 years. Two-year rates reported here. Follow-up schedule: end of RT, then 6, 12, 18, 24 months from start of RT, then yearly.

  • +5 more secondary outcomes

Other Outcomes (2)

  • Change in Urinary Domain of the Expanded Prostate Cancer Index (EPIC) at Two Years by Ethnicity

    Baseline (randomization), 2 years

  • Change in Urinary Domain of the Expanded Prostate Cancer Index (EPIC) at Two Years by Race

    Baseline (randomization), 2 years

Study Arms (2)

Arm I (conventional radiation therapy)

EXPERIMENTAL

Patients undergo conventional radiation therapy for 37 fractions over 7 weeks in the absence of disease progression or unacceptable toxicity. Patients may also receive androgen deprivation therapy for up to 6 months as per doctor recommendation.

Other: Laboratory Biomarker AnalysisOther: Quality-of-Life AssessmentRadiation: Radiation Therapy

Arm II (hypofractionated radiation therapy

EXPERIMENTAL

Patients undergo hypofractionated radiation therapy for 25 fractions over 5 weeks in the absence of disease progression or unacceptable toxicity. Patients may also receive androgen deprivation therapy for up to 6 months as per doctor recommendation.

Radiation: Hypofractionated Radiation TherapyOther: Laboratory Biomarker AnalysisOther: Quality-of-Life Assessment

Interventions

Ancillary studies

Also known as: Quality of Life Assessment
Arm I (conventional radiation therapy)Arm II (hypofractionated radiation therapy

Undergo conventional radiation therapy

Also known as: Cancer Radiotherapy, Energy Type, ENERGY_TYPE, Irradiate, Irradiated, Irradiation, Radiation, Radiation Therapy, NOS, Radiotherapeutics, Radiotherapy, RT, Therapy, Radiation
Arm I (conventional radiation therapy)

Correlative studies

Arm I (conventional radiation therapy)Arm II (hypofractionated radiation therapy

Undergo hypofractionated radiation therapy

Also known as: Hypofractionated, Hypofractionated Radiotherapy, hypofractionation, Radiation, Hypofractionated
Arm II (hypofractionated radiation therapy

Eligibility Criteria

Age18 Years+
Sexmale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • PRIOR TO STEP 1 REGISTRATION
  • Adenocarcinoma of the prostate treated primarily with radical prostatectomy
  • Any type of radical prostatectomy will be permitted, including retropubic, perineal, laparoscopic, or robotically assisted; there is no time limit for the date of radical prostatectomy
  • One of the following pathologic T-classifications: pT2 or pT3
  • Patients with positive surgical margins are eligible
  • One of the following pathologic N-classifications: pN0, pNX
  • If a lymph node dissection is performed, the number of lymph nodes removed per side of the pelvis and the extent of the pelvic lymph node dissection (obturator versus \[vs.\] extended lymph node dissection) should be noted whenever possible
  • No clinical evidence of regional lymph node metastasis
  • Computed tomography (CT) (with contrast if renal function is acceptable; a noncontrast CT is permitted if the patient is not a candidate for contrast), magnetic resonance imaging (MRI), nodal sampling, or dissection of the pelvis within 120 days prior to step 1 registration
  • Patients with pelvic lymph nodes equivocal or questionable by imaging are eligible if the nodes are =\< 1 cm in the short axis
  • A post-radical prostatectomy study entry PSA \>= 45 days after prostatectomy and within 30 days prior to step 1, \< 2.0 ng/mL
  • No evidence of a local recurrence in the prostate fossa based on a digital rectal examination (DRE) within 60 days prior to step 1 registration
  • Patients with equivocal or questionable DRE findings should have an MRI of the pelvis to exclude the presence of a prostate fossa mass
  • Patients with equivocal or questionable exam findings by DRE or MRI are eligible if a biopsy of the lesion is negative for tumor
  • No evidence of bone metastases (M0) on bone scan (Na F positron emission tomography (PET)/CT is an acceptable substitute) within 120 days prior to step 1 registration
  • +7 more criteria

You may not qualify if:

  • A post-prostatectomy PSA nadir \>= 0.2 ng/mL AND Gleason \>= 7 (Considered for NRG-GU002, principal investigator \[PI\]: Hurwitz)
  • pT2 with a negative surgical margin and PSA \< 0.1 ng/mL
  • Androgen deprivation therapy started prior to prostatectomy for \> 6 months (180 days) duration;
  • Note: The use of finasteride or dutasteride (+/- tamsulosin) for longer periods prior to prostatectomy is acceptable
  • Androgen deprivation therapy started after prostatectomy and prior to step 1 registration for \> 6 weeks (42 days)
  • Neoadjuvant chemotherapy before or after prostatectomy
  • Prior invasive (except non-melanoma skin cancer) malignancy unless disease-free for a minimum of 3 years and not in the pelvis; (for example, carcinoma in situ of the oral cavity is permissible if disease free for a minimum of 3 years; however, patients with prior history of bladder cancer are not allowed no matter the disease free duration); prior hematological (e.g., leukemia, lymphoma, myeloma) malignancy is not allowed
  • Previous chemotherapy for any other disease site if given within 3 years prior to step 1
  • Prior radiotherapy, including brachytherapy, to the region of the study cancer that would result in overlap of radiation therapy treatment volumes
  • Severe, active co-morbidity, defined as follows:
  • Unstable angina and/or congestive heart failure requiring hospitalization within the last 6 months
  • Transmural myocardial infarction within the last 6 months
  • Acute bacterial or fungal infection requiring intravenous antibiotics at the time of step 1 registration
  • Chronic obstructive pulmonary disease exacerbation or other respiratory illness requiring hospitalization or precluding study therapy at the time of step 1 registration
  • Severe hepatic disease, defined as a diagnosis of Child-Pugh class B or C hepatic disease
  • +4 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (241)

University of Alabama at Birmingham Cancer Center

Birmingham, Alabama, 35233, United States

Location

University of South Alabama Mitchell Cancer Institute

Mobile, Alabama, 36688, United States

Location

University of Arkansas for Medical Sciences

Little Rock, Arkansas, 72205, United States

Location

Marin Cancer Care Inc

Greenbrae, California, 94904, United States

Location

Marin General Hospital

Greenbrae, California, 94904, United States

Location

Kaiser Permanente Los Angeles Medical Center

Los Angeles, California, 90027, United States

Location

Los Angeles General Medical Center

Los Angeles, California, 90033, United States

Location

USC / Norris Comprehensive Cancer Center

Los Angeles, California, 90033, United States

Location

Cedars-Sinai Medical Center

Los Angeles, California, 90048, United States

Location

Fremont - Rideout Cancer Center

Marysville, California, 95901, United States

Location

Kaiser Permanente Oakland-Broadway

Oakland, California, 94611, United States

Location

Stanford Cancer Institute Palo Alto

Palo Alto, California, 94304, United States

Location

Pomona Valley Hospital Medical Center

Pomona, California, 91767, United States

Location

Kaiser Permanente-Rancho Cordova Cancer Center

Rancho Cordova, California, 95670, United States

Location

Rohnert Park Cancer Center

Rohnert Park, California, 94928, United States

Location

The Permanente Medical Group-Roseville Radiation Oncology

Roseville, California, 95678, United States

Location

University of California Davis Comprehensive Cancer Center

Sacramento, California, 95817, United States

Location

South Sacramento Cancer Center

Sacramento, California, 95823, United States

Location

Kaiser Permanente Medical Center - Santa Clara

Santa Clara, California, 95051, United States

Location

Kaiser Permanente Cancer Treatment Center

South San Francisco, California, 94080, United States

Location

Gene Upshaw Memorial Tahoe Forest Cancer Center

Truckee, California, 96161, United States

Location

UCHealth University of Colorado Hospital

Aurora, Colorado, 80045, United States

Location

Penrose-Saint Francis Healthcare

Colorado Springs, Colorado, 80907, United States

Location

UCHealth Memorial Hospital Central

Colorado Springs, Colorado, 80909, United States

Location

Yale University

New Haven, Connecticut, 06520, United States

Location

Helen F Graham Cancer Center

Newark, Delaware, 19713, United States

Location

Christiana Care Health System-Christiana Hospital

Newark, Delaware, 19718, United States

Location

Beebe Health Campus

Rehoboth Beach, Delaware, 19971, United States

Location

TidalHealth Nanticoke / Allen Cancer Center

Seaford, Delaware, 19973, United States

Location

UM Sylvester Comprehensive Cancer Center at Coral Gables

Coral Gables, Florida, 33146, United States

Location

UM Sylvester Comprehensive Cancer Center at Deerfield Beach

Deerfield Beach, Florida, 33442, United States

Location

Mayo Clinic in Florida

Jacksonville, Florida, 32224-9980, United States

Location

University of Miami Miller School of Medicine-Sylvester Cancer Center

Miami, Florida, 33136, United States

Location

Cleveland Clinic-Weston

Weston, Florida, 33331, United States

Location

Grady Health System

Atlanta, Georgia, 30303, United States

Location

Emory University Hospital Midtown

Atlanta, Georgia, 30308, United States

Location

Emory University Hospital/Winship Cancer Institute

Atlanta, Georgia, 30322, United States

Location

Emory Saint Joseph's Hospital

Atlanta, Georgia, 30342, United States

Location

Lewis Cancer and Research Pavilion at Saint Joseph's/Candler

Savannah, Georgia, 31405, United States

Location

Queen's Medical Center

Honolulu, Hawaii, 96813, United States

Location

The Cancer Center of Hawaii-Liliha

Honolulu, Hawaii, 96817, United States

Location

The Cancer Center of Hawaii-Pali Momi

‘Aiea, Hawaii, 96701, United States

Location

SIH Cancer Institute

Carterville, Illinois, 62918, United States

Location

University of Chicago Comprehensive Cancer Center

Chicago, Illinois, 60637, United States

Location

Decatur Memorial Hospital

Decatur, Illinois, 62526, United States

Location

Crossroads Cancer Center

Effingham, Illinois, 62401, United States

Location

Loyola University Medical Center

Maywood, Illinois, 60153, United States

Location

UC Comprehensive Cancer Center at Silver Cross

New Lenox, Illinois, 60451, United States

Location

OSF Saint Francis Radiation Oncology at Peoria Cancer Center

Peoria, Illinois, 61615, United States

Location

OSF Saint Francis Medical Center

Peoria, Illinois, 61637, United States

Location

UW Health Carbone Cancer Center Rockford

Rockford, Illinois, 61114, United States

Location

Carle Cancer Center

Urbana, Illinois, 61801, United States

Location

Goshen Center for Cancer Care

Goshen, Indiana, 46526, United States

Location

McFarland Clinic - Ames

Ames, Iowa, 50010, United States

Location

Iowa Methodist Medical Center

Des Moines, Iowa, 50309, United States

Location

University of Kansas Cancer Center

Kansas City, Kansas, 66160, United States

Location

The University of Kansas Cancer Center - Olathe

Olathe, Kansas, 66061, United States

Location

University of Kansas Cancer Center-Overland Park

Overland Park, Kansas, 66210, United States

Location

Cotton O'Neil Cancer Center / Stormont Vail Health

Topeka, Kansas, 66606, United States

Location

Ascension Via Christi Hospitals Wichita

Wichita, Kansas, 67214, United States

Location

Owensboro Health Mitchell Memorial Cancer Center

Owensboro, Kentucky, 42303, United States

Location

East Jefferson General Hospital

Metairie, Louisiana, 70006, United States

Location

Ochsner Medical Center Jefferson

New Orleans, Louisiana, 70121, United States

Location

MaineHealth Maine Medical Center - Portland

Portland, Maine, 04102, United States

Location

MaineHealth Maine Medical Center- Scarborough

Scarborough, Maine, 04074, United States

Location

University of Maryland/Greenebaum Cancer Center

Baltimore, Maryland, 21201, United States

Location

Central Maryland Radiation Oncology in Howard County

Columbia, Maryland, 21044, United States

Location

University of Maryland Radiation Oncology Center at Union Hospital

Elkton, Maryland, 21921, United States

Location

UM Baltimore Washington Medical Center/Tate Cancer Center

Glen Burnie, Maryland, 21061, United States

Location

Boston Medical Center

Boston, Massachusetts, 02118, United States

Location

Lowell General Hospital

Lowell, Massachusetts, 01854, United States

Location

Beth Israel Deaconess Hospital-Plymouth

Plymouth, Massachusetts, 02360, United States

Location

Trinity Health Saint Joseph Mercy Hospital Ann Arbor

Ann Arbor, Michigan, 48106, United States

Location

Henry Ford Cancer Institute-Downriver

Brownstown, Michigan, 48183, United States

Location

McLaren Cancer Institute-Clarkston

Clarkston, Michigan, 48346, United States

Location

Michigan Healthcare Professionals Clarkston

Clarkston, Michigan, 48346, United States

Location

Henry Ford Macomb Hospital-Clinton Township

Clinton Township, Michigan, 48038, United States

Location

Wayne State University/Karmanos Cancer Institute

Detroit, Michigan, 48201, United States

Location

Henry Ford Hospital

Detroit, Michigan, 48202, United States

Location

Michigan Healthcare Professionals Farmington

Farmington Hills, Michigan, 48334, United States

Location

Weisberg Cancer Treatment Center

Farmington Hills, Michigan, 48334, United States

Location

Genesys Hurley Cancer Institute

Flint, Michigan, 48503, United States

Location

McLaren Cancer Institute-Flint

Flint, Michigan, 48532, United States

Location

Corewell Health Grand Rapids Hospitals - Butterworth Hospital

Grand Rapids, Michigan, 49503, United States

Location

Trinity Health Grand Rapids Hospital

Grand Rapids, Michigan, 49503, United States

Location

West Michigan Cancer Center

Kalamazoo, Michigan, 49007, United States

Location

Karmanos Cancer Institute at McLaren Greater Lansing

Lansing, Michigan, 48910, United States

Location

University of Michigan Health - Sparrow Lansing

Lansing, Michigan, 48912, United States

Location

McLaren Cancer Institute-Lapeer Region

Lapeer, Michigan, 48446, United States

Location

Trinity Health Saint Mary Mercy Livonia Hospital

Livonia, Michigan, 48154, United States

Location

McLaren Cancer Institute-Macomb

Mount Clemens, Michigan, 48043, United States

Location

McLaren Cancer Institute-Central Michigan

Mount Pleasant, Michigan, 48858, United States

Location

McLaren Cancer Institute-Owosso

Owosso, Michigan, 48867, United States

Location

McLaren Cancer Institute-Northern Michigan

Petoskey, Michigan, 49770, United States

Location

Trinity Health Saint Joseph Mercy Oakland Hospital

Pontiac, Michigan, 48341, United States

Location

McLaren-Port Huron

Port Huron, Michigan, 48060, United States

Location

Michigan Healthcare Professionals Troy

Troy, Michigan, 48098, United States

Location

Henry Ford West Bloomfield Hospital

West Bloomfield, Michigan, 48322, United States

Location

University of Michigan Health - West

Wyoming, Michigan, 49519, United States

Location

Saint Luke's Hospital of Duluth

Duluth, Minnesota, 55805, United States

Location

Mayo Clinic Health Systems-Mankato

Mankato, Minnesota, 56001, United States

Location

Mayo Clinic in Rochester

Rochester, Minnesota, 55905, United States

Location

Coborn Cancer Center at Saint Cloud Hospital

Saint Cloud, Minnesota, 56303, United States

Location

Mercy Cancer Center - Cape Girardeau

Cape Girardeau, Missouri, 63703, United States

Location

Siteman Cancer Center at Saint Peters Hospital

City of Saint Peters, Missouri, 63376, United States

Location

Siteman Cancer Center at West County Hospital

Creve Coeur, Missouri, 63141, United States

Location

North Kansas City Hospital

Kansas City, Missouri, 64116, United States

Location

Kansas City Veterans Affairs Medical Center

Kansas City, Missouri, 64128, United States

Location

The University of Kansas Cancer Center-South

Kansas City, Missouri, 64131, United States

Location

University of Kansas Cancer Center - North

Kansas City, Missouri, 64154, United States

Location

University of Kansas Cancer Center - Lee's Summit

Lee's Summit, Missouri, 64064, United States

Location

Heartland Regional Medical Center

Saint Joseph, Missouri, 64506, United States

Location

Washington University School of Medicine

St Louis, Missouri, 63110, United States

Location

Siteman Cancer Center-South County

St Louis, Missouri, 63129, United States

Location

Mercy Hospital Saint Louis

St Louis, Missouri, 63141, United States

Location

Billings Clinic Cancer Center

Billings, Montana, 59101, United States

Location

Bozeman Health Deaconess Hospital

Bozeman, Montana, 59715, United States

Location

Benefis Sletten Cancer Institute

Great Falls, Montana, 59405, United States

Location

Logan Health Medical Center

Kalispell, Montana, 59901, United States

Location

Wentworth-Douglass Hospital

Dover, New Hampshire, 03820, United States

Location

Dartmouth Hitchcock Medical Center/Dartmouth Cancer Center

Lebanon, New Hampshire, 03756, United States

Location

University of New Mexico Cancer Center

Albuquerque, New Mexico, 87106, United States

Location

Lovelace Radiation Oncology

Albuquerque, New Mexico, 87109, United States

Location

New Mexico Oncology Hematology Consultants

Albuquerque, New Mexico, 87109, United States

Location

Memorial Medical Center-Las Cruces

Las Cruces, New Mexico, 88011, United States

Location

Northwell Health Imbert Cancer Center

Bay Shore, New York, 11706, United States

Location

New York-Presbyterian/Brooklyn Methodist Hospital

Brooklyn, New York, 11215, United States

Location

Roswell Park Cancer Institute

Buffalo, New York, 14263, United States

Location

Mary Imogene Bassett Hospital

Cooperstown, New York, 13326, United States

Location

Arnot Ogden Medical Center/Falck Cancer Center

Elmira, New York, 14905, United States

Location

Northwell Health/Center for Advanced Medicine

Lake Success, New York, 11042, United States

Location

NYP/Weill Cornell Medical Center

New York, New York, 10065, United States

Location

Dickstein Cancer Treatment Center

White Plains, New York, 10601, United States

Location

UNC Lineberger Comprehensive Cancer Center

Chapel Hill, North Carolina, 27599, United States

Location

Novant Health Presbyterian Medical Center

Charlotte, North Carolina, 28204, United States

Location

Duke University Medical Center

Durham, North Carolina, 27710, United States

Location

UNC Health Cancer Care Raleigh

Raleigh, North Carolina, 27607, United States

Location

Novant Cancer Institute Radiation Oncology - Supply

Supply, North Carolina, 28462, United States

Location

Novant Health Cancer Institute Radiation Oncology - Wilmington

Wilmington, North Carolina, 28401, United States

Location

Novant Health Forsyth Medical Center

Winston-Salem, North Carolina, 27103, United States

Location

Cleveland Clinic Akron General

Akron, Ohio, 44307, United States

Location

UHHS-Chagrin Highlands Medical Center

Beachwood, Ohio, 44122, United States

Location

Geauga Hospital

Chardon, Ohio, 44024, United States

Location

Adena Regional Medical Center

Chillicothe, Ohio, 45601, United States

Location

Case Western Reserve University

Cleveland, Ohio, 44106, United States

Location

Cleveland Clinic Cancer Center/Fairview Hospital

Cleveland, Ohio, 44111, United States

Location

Cleveland Clinic Foundation

Cleveland, Ohio, 44195, United States

Location

Ohio State University Comprehensive Cancer Center

Columbus, Ohio, 43210, United States

Location

Mercy Cancer Center-Elyria

Elyria, Ohio, 44035, United States

Location

Cleveland Clinic Cancer Center Independence

Independence, Ohio, 44131, United States

Location

Cleveland Clinic Cancer Center Mansfield

Mansfield, Ohio, 44906, United States

Location

Hillcrest Hospital Cancer Center

Mayfield Heights, Ohio, 44124, United States

Location

UH Seidman Cancer Center at Lake Health Mentor Campus

Mentor, Ohio, 44060, United States

Location

UH Seidman Cancer Center at Southwest General Hospital

Middleburg Heights, Ohio, 44130, United States

Location

University Hospitals Parma Medical Center

Parma, Ohio, 44129, United States

Location

North Coast Cancer Care

Sandusky, Ohio, 44870, United States

Location

UH Seidman Cancer Center at Firelands Regional Medical Center

Sandusky, Ohio, 44870, United States

Location

Cleveland Clinic Cancer Center Strongsville

Strongsville, Ohio, 44136, United States

Location

ProMedica Flower Hospital

Sylvania, Ohio, 43560, United States

Location

UHHS-Westlake Medical Center

Westlake, Ohio, 44145, United States

Location

Cleveland Clinic Wooster Family Health and Surgery Center

Wooster, Ohio, 44691, United States

Location

University of Oklahoma Health Sciences Center

Oklahoma City, Oklahoma, 73104, United States

Location

Jefferson Abington Hospital

Abington, Pennsylvania, 19001, United States

Location

Crozer-Keystone Regional Cancer Center at Broomall

Broomall, Pennsylvania, 19008, United States

Location

Christiana Care Health System-Concord Health Center

Chadds Ford, Pennsylvania, 19317, United States

Location

Geisinger Medical Center

Danville, Pennsylvania, 17822, United States

Location

Northeast Radiation Oncology Center

Dunmore, Pennsylvania, 18512, United States

Location

Crozer Regional Cancer Center at Brinton Lake

Glen Mills, Pennsylvania, 19342, United States

Location

UPMC Pinnacle Cancer Center/Community Osteopathic Campus

Harrisburg, Pennsylvania, 17109, United States

Location

Thomas Jefferson University Hospital

Philadelphia, Pennsylvania, 19107, United States

Location

Guthrie Medical Group PC-Robert Packer Hospital

Sayre, Pennsylvania, 18840, United States

Location

Reading Hospital

West Reading, Pennsylvania, 19611, United States

Location

Geisinger Wyoming Valley/Henry Cancer Center

Wilkes-Barre, Pennsylvania, 18711, United States

Location

Prisma Health Cancer Institute - Spartanburg

Boiling Springs, South Carolina, 29316, United States

Location

Medical University of South Carolina

Charleston, South Carolina, 29425, United States

Location

Prisma Health Cancer Institute - Faris

Greenville, South Carolina, 29605, United States

Location

Saint Francis Cancer Center

Greenville, South Carolina, 29607, United States

Location

Prisma Health Cancer Institute - Eastside

Greenville, South Carolina, 29615, United States

Location

Self Regional Healthcare

Greenwood, South Carolina, 29646, United States

Location

Gibbs Cancer Center-Pelham

Greer, South Carolina, 29651, United States

Location

The Radiation Oncology Center-Hilton Head/Bluffton

Hilton Head Island, South Carolina, 29926, United States

Location

Carolina Regional Cancer Center

Myrtle Beach, South Carolina, 29577, United States

Location

Prisma Health Cancer Institute - Seneca

Seneca, South Carolina, 29672, United States

Location

Spartanburg Medical Center

Spartanburg, South Carolina, 29303, United States

Location

Vanderbilt University/Ingram Cancer Center

Nashville, Tennessee, 37232, United States

Location

UT Southwestern/Simmons Cancer Center-Dallas

Dallas, Texas, 75390, United States

Location

University of Texas Medical Branch

Galveston, Texas, 77555-0565, United States

Location

UTMB Cancer Center at Victory Lakes

League City, Texas, 77573, United States

Location

American Fork Hospital / Huntsman Intermountain Cancer Center

American Fork, Utah, 84003, United States

Location

Farmington Health Center

Farmington, Utah, 84025, United States

Location

Logan Regional Hospital

Logan, Utah, 84321, United States

Location

Intermountain Medical Center

Murray, Utah, 84107, United States

Location

McKay-Dee Hospital Center

Ogden, Utah, 84403, United States

Location

Ogden Regional Medical Center

Ogden, Utah, 84405, United States

Location

Utah Valley Regional Medical Center

Provo, Utah, 84604, United States

Location

Riverton Hospital

Riverton, Utah, 84065, United States

Location

Utah Cancer Specialists-Salt Lake City

Salt Lake City, Utah, 84106, United States

Location

Huntsman Cancer Institute/University of Utah

Salt Lake City, Utah, 84112, United States

Location

LDS Hospital

Salt Lake City, Utah, 84143, United States

Location

South Jordan Health Center

South Jordan, Utah, 84009, United States

Location

Dartmouth Cancer Center - North

Saint Johnsbury, Vermont, 05819, United States

Location

Augusta Health Center for Cancer and Blood Disorders

Fishersville, Virginia, 22939, United States

Location

Naval Medical Center - Portsmouth

Portsmouth, Virginia, 23708-2197, United States

Location

Overlake Medical Center

Bellevue, Washington, 98004, United States

Location

Ascension Saint Elizabeth Hospital

Appleton, Wisconsin, 54915, United States

Location

Ascension Southeast Wisconsin Hospital - Elmbrook Campus

Brookfield, Wisconsin, 53045, United States

Location

Mayo Clinic Health System Eau Claire Hospital-Luther Campus

Eau Claire, Wisconsin, 54703, United States

Location

Ascension Saint Francis - Reiman Cancer Center

Franklin, Wisconsin, 53132, United States

Location

Aurora Cancer Care-Grafton

Grafton, Wisconsin, 53024, United States

Location

Aurora BayCare Medical Center

Green Bay, Wisconsin, 54311, United States

Location

Aurora Cancer Care-Kenosha South

Kenosha, Wisconsin, 53142, United States

Location

Gundersen Lutheran Medical Center

La Crosse, Wisconsin, 54601, United States

Location

Mayo Clinic Health System-Franciscan Healthcare

La Crosse, Wisconsin, 54601, United States

Location

University of Wisconsin Carbone Cancer Center - University Hospital

Madison, Wisconsin, 53792, United States

Location

Aurora Bay Area Medical Group-Marinette

Marinette, Wisconsin, 54143, United States

Location

Froedtert Menomonee Falls Hospital

Menomonee Falls, Wisconsin, 53051, United States

Location

Aurora Saint Luke's Medical Center

Milwaukee, Wisconsin, 53215, United States

Location

Medical College of Wisconsin

Milwaukee, Wisconsin, 53226, United States

Location

Aurora Sinai Medical Center

Milwaukee, Wisconsin, 53233, United States

Location

Zablocki Veterans Administration Medical Center

Milwaukee, Wisconsin, 53295, United States

Location

Ascension Mercy Hospital

Oshkosh, Wisconsin, 54904, United States

Location

Vince Lombardi Cancer Clinic - Oshkosh

Oshkosh, Wisconsin, 54904, United States

Location

Ascension All Saints Hospital

Racine, Wisconsin, 53405, United States

Location

Vince Lombardi Cancer Clinic-Sheboygan

Sheboygan, Wisconsin, 53081, United States

Location

Aurora Medical Center in Summit

Summit, Wisconsin, 53066, United States

Location

Vince Lombardi Cancer Clinic-Two Rivers

Two Rivers, Wisconsin, 54241, United States

Location

Aurora West Allis Medical Center

West Allis, Wisconsin, 53227, United States

Location

Froedtert West Bend Hospital/Kraemer Cancer Center

West Bend, Wisconsin, 53095, United States

Location

Aspirus Cancer Care - Wisconsin Rapids

Wisconsin Rapids, Wisconsin, 54494, United States

Location

Arthur J E Child Comprehensive Cancer Centre

Calgary, Alberta, T2N 5G2, Canada

Location

Juravinski Cancer Centre at Hamilton Health Sciences

Hamilton, Ontario, L8V 5C2, Canada

Location

London Regional Cancer Program

London, Ontario, N6A 4L6, Canada

Location

Centre De Sante Et De Services Sociaux De Chicoutimi

Chicoutimi, Quebec, G7H 5H6, Canada

Location

CIUSSSEMTL-Hopital Maisonneuve-Rosemont

Montreal, Quebec, H1T 2M4, Canada

Location

CHUM - Centre Hospitalier de l'Universite de Montreal

Montreal, Quebec, H2X 3E4, Canada

Location

The Research Institute of the McGill University Health Centre (MUHC)

Montreal, Quebec, H3H 2R9, Canada

Location

CHU de Quebec-L'Hotel-Dieu de Quebec (HDQ)

Québec, Quebec, G1R 2J6, Canada

Location

Centre Hospitalier Universitaire de Sherbrooke-Fleurimont

Sherbrooke, Quebec, J1H 5N4, Canada

Location

Allan Blair Cancer Centre

Regina, Saskatchewan, S4T 7T1, Canada

Location

Saskatoon Cancer Centre

Saskatoon, Saskatchewan, S7N 4H4, Canada

Location

Kantonsspital Aarau

Aarau, 5001, Switzerland

Location

Related Publications (1)

  • Buyyounouski MK, Pugh SL, Chen RC, Mann MJ, Kudchadker RJ, Konski AA, Mian OY, Michalski JM, Vigneault E, Valicenti RK, Barkati M, Lawton CAF, Potters L, Monitto DC, Kittel JA, Schroeder TM, Hannan R, Duncan CE, Rodgers JP, Feng F, Sandler HM. Noninferiority of Hypofractionated vs Conventional Postprostatectomy Radiotherapy for Genitourinary and Gastrointestinal Symptoms: The NRG-GU003 Phase 3 Randomized Clinical Trial. JAMA Oncol. 2024 May 1;10(5):584-591. doi: 10.1001/jamaoncol.2023.7291.

MeSH Terms

Interventions

Radiation Dose HypofractionationRadiationRadiotherapy

Intervention Hierarchy (Ancestors)

Dose Fractionation, RadiationRadiotherapy DosageTherapeuticsPhysical Phenomena

Limitations and Caveats

Local and regional failure data was collected as a combined event (local-regional progression) and therefore is reported as a single outcome measure.

Results Point of Contact

Title
Wendy Seiferheld
Organization
NRG Oncology

Study Officials

  • Mark K Buyyounouski

    NRG Oncology

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 5, 2017

First Posted

September 7, 2017

Study Start

July 28, 2017

Primary Completion

February 22, 2021

Study Completion

December 23, 2025

Last Updated

July 9, 2026

Results First Posted

June 6, 2022

Record last verified: 2026-06

Data Sharing

IPD Sharing
Will share

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.

More information

Locations