Standard Systemic Therapy With or Without Definitive Treatment in Treating Participants With Metastatic Prostate Cancer — StellaPhase 3 — Large-scale testing across thousands of people, comparing the new treatment against current standard treatments.
Trial locations(338 sites)
United States
Banner MD Anderson Cancer Center, Gilbert, Arizona Cancer Center at Saint Joseph's, Phoenix, Arizona Mayo Clinic Hospital in Arizona, Phoenix, Arizona Mayo Clinic in Arizona, Scottsdale, Arizona University of Arizona Cancer Center-Orange Grove Campus, Tucson, Arizona University of Arizona Cancer Center-North Campus, Tucson, Arizona University of Arkansas for Medical Sciences, Little Rock, Arkansas Kaiser Permanente-Deer Valley Medical Center, Antioch, California Community Cancer Institute, Clovis, California University Oncology Associates, Clovis, California City of Hope Comprehensive Cancer Center, Duarte, California Kaiser Permanente Dublin, Dublin, California Kaiser Permanente-Fremont, Fremont, California Fresno Cancer Center, Fresno, California Kaiser Permanente-Fresno, Fresno, California UC San Diego Moores Cancer Center, La Jolla, California Tibor Rubin VA Medical Center, Long Beach, California Los Angeles County-USC Medical Center, Los Angeles, California USC / Norris Comprehensive Cancer Center, Los Angeles, California Fremont - Rideout Cancer Center, Marysville, California Kaiser Permanente-Modesto, Modesto, California Kaiser Permanente Oakland-Broadway, Oakland, California Kaiser Permanente-Oakland, Oakland, California Desert Regional Medical Center, Palm Springs, California Stanford Cancer Institute Palo Alto, Palo Alto, California Kaiser Permanente-Rancho Cordova Cancer Center, Rancho Cordova, California Kaiser Permanente-Redwood City, Redwood City, California Kaiser Permanente-Richmond, Richmond, California Rohnert Park Cancer Center, Rohnert Park, California Kaiser Permanente-Roseville, Roseville, California The Permanente Medical Group-Roseville Radiation Oncology, Roseville, California Kaiser Permanente Downtown Commons, Sacramento, California Mercy Cancer Center - Sacramento, Sacramento, California University of California Davis Comprehensive Cancer Center, Sacramento, California Kaiser Permanente-South Sacramento, Sacramento, California South Sacramento Cancer Center, Sacramento, California Kaiser Permanente-San Francisco, San Francisco, California Kaiser Permanente-Santa Teresa-San Jose, San Jose, California Kaiser Permanente San Leandro, San Leandro, California Pacific Central Coast Health Center-San Luis Obispo, San Luis Obispo, California Kaiser San Rafael-Gallinas, San Rafael, California Kaiser Permanente Medical Center - Santa Clara, Santa Clara, California Kaiser Permanente-Santa Rosa, Santa Rosa, California Kaiser Permanente Cancer Treatment Center, South San Francisco, California Kaiser Permanente-South San Francisco, South San Francisco, California Kaiser Permanente-Stockton, Stockton, California Gene Upshaw Memorial Tahoe Forest Cancer Center, Truckee, California Kaiser Permanente Medical Center-Vacaville, Vacaville, California Kaiser Permanente-Vallejo, Vallejo, California Kaiser Permanente-Walnut Creek, Walnut Creek, California University of Colorado Hospital, Aurora, Colorado Rocky Mountain Cancer Centers-Boulder, Boulder, Colorado UCHealth Memorial Hospital Central, Colorado Springs, Colorado Memorial Hospital North, Colorado Springs, Colorado Porter Adventist Hospital, Denver, Colorado Shaw Cancer Center, Edwards, Colorado Poudre Valley Hospital, Fort Collins, Colorado North Colorado Medical Center, Greeley, Colorado Littleton Adventist Hospital, Littleton, Colorado McKee Medical Center, Loveland, Colorado Parker Adventist Hospital, Parker, Colorado Smilow Cancer Hospital Care Center - Guilford, Guilford, Connecticut Yale University, New Haven, Connecticut Stamford Hospital/Bennett Cancer Center, Stamford, Connecticut Smilow Cancer Hospital Care Center-Trumbull, Trumbull, Connecticut Smilow Cancer Hospital Care Center - Waterford, Waterford, Connecticut Veterans Affairs Connecticut Healthcare System-West Haven Campus, West Haven, Connecticut Helen F Graham Cancer Center, Newark, Delaware Christiana Care Health System-Christiana Hospital, Newark, Delaware MedStar Georgetown University Hospital, Washington D.C., District of Columbia MedStar Washington Hospital Center, Washington D.C., District of Columbia George Washington University Medical Center, Washington D.C., District of Columbia Mount Sinai Comprehensive Cancer Center at Aventura, Aventura, Florida UM Sylvester Comprehensive Cancer Center at Coral Gables, Coral Gables, Florida UM Sylvester Comprehensive Cancer Center at Deerfield Beach, Deerfield Beach, Florida Baptist MD Anderson Cancer Center, Jacksonville, Florida University of Miami Miller School of Medicine-Sylvester Cancer Center, Miami, Florida UM Sylvester Comprehensive Cancer Center at Kendall, Miami, Florida Mount Sinai Medical Center, Miami Beach, Florida Orlando Health Cancer Institute, Orlando, Florida UM Sylvester Comprehensive Cancer Center at Plantation, Plantation, Florida Grady Health System, Atlanta, Georgia Emory University Hospital Midtown, Atlanta, Georgia Emory University Hospital/Winship Cancer Institute, Atlanta, Georgia Emory Saint Joseph's Hospital, Atlanta, Georgia Augusta University Medical Center, Augusta, Georgia Atlanta VA Medical Center, Decatur, Georgia Saint Alphonsus Cancer Care Center-Caldwell, Caldwell, Idaho Saint Alphonsus Cancer Care Center-Nampa, Nampa, Idaho Kootenai Clinic Cancer Services - Post Falls, Post Falls, Idaho Rush - Copley Medical Center, Aurora, Illinois Illinois CancerCare-Bloomington, Bloomington, Illinois Illinois CancerCare-Canton, Canton, Illinois Illinois CancerCare-Carthage, Carthage, Illinois Northwestern University, Chicago, Illinois Rush University Medical Center, Chicago, Illinois University of Illinois, Chicago, Illinois University of Chicago Comprehensive Cancer Center, Chicago, Illinois Decatur Memorial Hospital, Decatur, Illinois Crossroads Cancer Center, Effingham, Illinois Illinois CancerCare-Eureka, Eureka, Illinois Illinois CancerCare-Galesburg, Galesburg, Illinois Illinois CancerCare-Kewanee Clinic, Kewanee, Illinois Illinois CancerCare-Macomb, Macomb, Illinois Loyola University Medical Center, Maywood, Illinois Illinois CancerCare-Ottawa Clinic, Ottawa, Illinois Illinois CancerCare-Pekin, Pekin, Illinois Illinois CancerCare-Peoria, Peoria, Illinois Methodist Medical Center of Illinois, Peoria, Illinois OSF Saint Francis Medical Center, Peoria, Illinois Illinois CancerCare-Peru, Peru, Illinois Illinois CancerCare-Princeton, Princeton, Illinois Southwest Illinois Health Services LLP, Swansea, Illinois Carle Cancer Center, Urbana, Illinois Indiana University/Melvin and Bren Simon Cancer Center, Indianapolis, Indiana Reid Health, Richmond, Indiana McFarland Clinic - Ames, Ames, Iowa Iowa Methodist Medical Center, Des Moines, Iowa University of Iowa/Holden Comprehensive Cancer Center, Iowa City, Iowa University of Kansas Cancer Center, Kansas City, Kansas Olathe Health Cancer Center, Olathe, Kansas University of Kansas Cancer Center-Overland Park, Overland Park, Kansas University of Kansas Hospital-Westwood Cancer Center, Westwood, Kansas Saint Joseph Radiation Oncology Resource Center, Lexington, Kentucky Saint Joseph Hospital East, Lexington, Kentucky University of Kentucky/Markey Cancer Center, Lexington, Kentucky The James Graham Brown Cancer Center at University of Louisville, Louisville, Kentucky East Jefferson General Hospital, Metairie, Louisiana LSU Healthcare Network / Metairie Multi-Specialty Clinic, Metairie, Louisiana MaineHealth Coastal Cancer Treatment Center, Bath, Maine Lafayette Family Cancer Center-EMMC, Brewer, Maine Maine Medical Center-Bramhall Campus, Portland, Maine MaineHealth Cancer Care Center of York County, Sanford, Maine MaineHealth/SMHC Cancer Care and Blood Disorders-Sanford, Sanford, Maine Maine Medical Center- Scarborough Campus, Scarborough, Maine Johns Hopkins University/Sidney Kimmel Cancer Center, Baltimore, Maryland Lahey Hospital and Medical Center, Burlington, Massachusetts Saint Joseph Mercy Hospital, Ann Arbor, Michigan University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan Saint Joseph Mercy Brighton, Brighton, Michigan Henry Ford Cancer Institute-Downriver, Brownstown, Michigan Saint Joseph Mercy Canton, Canton, Michigan Saint Joseph Mercy Chelsea, Chelsea, Michigan GenesisCare USA - Clarkston, Clarkston, Michigan Henry Ford Macomb Hospital-Clinton Township, Clinton Township, Michigan Wayne State University/Karmanos Cancer Institute, Detroit, Michigan Henry Ford Hospital, Detroit, Michigan GenesisCare USA - Farmington Hills, Farmington Hills, Michigan Spectrum Health at Butterworth Campus, Grand Rapids, Michigan West Michigan Cancer Center, Kalamazoo, Michigan Sparrow Hospital, Lansing, Michigan GenesisCare USA - Macomb, Macomb, Michigan GenesisCare USA - Madison Heights, Madison Heights, Michigan 21st Century Oncology-Pontiac, Pontiac, Michigan Ascension Saint Mary's Hospital, Saginaw, Michigan Munson Medical Center, Traverse City, Michigan GenesisCare USA - Troy, Troy, Michigan Henry Ford West Bloomfield Hospital, West Bloomfield, Michigan Mercy Hospital, Coon Rapids, Minnesota Fairview Southdale Hospital, Edina, Minnesota Unity Hospital, Fridley, Minnesota Hennepin County Medical Center, Minneapolis, Minnesota Health Partners Inc, Minneapolis, Minnesota North Memorial Medical Health Center, Robbinsdale, Minnesota Mayo Clinic in Rochester, Rochester, Minnesota Park Nicollet Clinic - Saint Louis Park, Saint Louis Park, Minnesota Regions Hospital, Saint Paul, Minnesota Saint Francis Regional Medical Center, Shakopee, Minnesota University of Mississippi Medical Center, Jackson, Mississippi Saint Francis Medical Center, Cape Girardeau, Missouri Southeast Cancer Center, Cape Girardeau, Missouri Siteman Cancer Center at Saint Peters Hospital, City of Saint Peters, Missouri University of Missouri - Ellis Fischel, Columbia, Missouri Siteman Cancer Center at West County Hospital, Creve Coeur, Missouri Freeman Health System, Joplin, Missouri University of Kansas Cancer Center - North, Kansas City, Missouri Delbert Day Cancer Institute at PCRMC, Rolla, Missouri Sainte Genevieve County Memorial Hospital, Sainte Genevieve, Missouri Mercy Hospital Springfield, Springfield, Missouri CoxHealth South Hospital, Springfield, Missouri Washington University School of Medicine, St Louis, Missouri Siteman Cancer Center-South County, St Louis, Missouri Missouri Baptist Medical Center, St Louis, Missouri Siteman Cancer Center at Christian Hospital, St Louis, Missouri Mercy Hospital Saint Louis, St Louis, Missouri Billings Clinic Cancer Center, Billings, Montana Bozeman Deaconess Hospital, Bozeman, Montana Saint James Community Hospital and Cancer Treatment Center, Butte, Montana Benefis Healthcare- Sletten Cancer Institute, Great Falls, Montana Kalispell Regional Medical Center, Kalispell, Montana Nebraska Medicine-Bellevue, Bellevue, Nebraska Nebraska Methodist Hospital, Omaha, Nebraska Nebraska Medicine-Village Pointe, Omaha, Nebraska University of Nebraska Medical Center, Omaha, Nebraska Comprehensive Cancer Centers of Nevada - Henderson, Henderson, Nevada Radiation Oncology Centers of Nevada Central, Las Vegas, Nevada Comprehensive Cancer Centers of Nevada - Northwest, Las Vegas, Nevada Comprehensive Cancer Centers of Nevada-Summerlin, Las Vegas, Nevada Comprehensive Cancer Centers of Nevada, Las Vegas, Nevada Comprehensive Cancer Centers of Nevada - Central Valley, Las Vegas, Nevada New Hampshire Oncology Hematology PA-Concord, Concord, New Hampshire Wentworth-Douglass Hospital, Dover, New Hampshire Dartmouth Hitchcock Medical Center/Dartmouth Cancer Center, Lebanon, New Hampshire Elliot Hospital, Manchester, New Hampshire Solinsky Center for Cancer Care, Manchester, New Hampshire Hackensack University Medical Center, Hackensack, New Jersey Holy Name Hospital, Teaneck, New Jersey Albany Medical Center, Albany, New York Roswell Park Cancer Institute, Buffalo, New York Noyes Memorial Hospital/Myers Cancer Center, Dansville, New York Glens Falls Hospital, Glens Falls, New York Northwell Health/Center for Advanced Medicine, Lake Success, New York NYP/Weill Cornell Medical Center, New York, New York Upstate Cancer Center Radiation Oncology at Oneida, Oneida, New York Upstate Cancer Center Radiation Oncology at Oswego, Oswego, New York Highland Hospital, Rochester, New York University of Rochester, Rochester, New York Stony Brook University Medical Center, Stony Brook, New York State University of New York Upstate Medical University, Syracuse, New York Montefiore Medical Center-Einstein Campus, The Bronx, New York Montefiore Medical Center - Moses Campus, The Bronx, New York James J Peters VA Medical Center, The Bronx, New York Atrium Health Stanly/LCI-Albemarle, Albemarle, North Carolina Mission Hospital, Asheville, North Carolina Carolinas Medical Center/Levine Cancer Institute, Charlotte, North Carolina Atrium Health Pineville/LCI-Pineville, Charlotte, North Carolina Atrium Health University City/LCI-University, Charlotte, North Carolina Levine Cancer Institute-Ballantyne, Charlotte, North Carolina Atrium Health Cabarrus/LCI-Concord, Concord, North Carolina Levine Cancer Institute-Gaston, Gastonia, North Carolina Margaret R Pardee Memorial Hospital, Hendersonville, North Carolina Atrium Health Union/LCI-Union, Monroe, North Carolina CarolinaEast Medical Center, New Bern, North Carolina Cleveland Clinic Mercy Hospital, Canton, Ohio Miami Valley Hospital South, Centerville, Ohio University of Cincinnati Cancer Center-UC Medical Center, Cincinnati, Ohio MetroHealth Medical Center, Cleveland, Ohio Ohio State University Comprehensive Cancer Center, Columbus, Ohio Miami Valley Hospital North, Dayton, Ohio Greater Dayton Cancer Center, Kettering, Ohio Kettering Medical Center, Kettering, Ohio ProMedica Flower Hospital, Sylvania, Ohio ProMedica Toledo Hospital/Russell J Ebeid Children's Hospital, Toledo, Ohio University of Toledo, Toledo, Ohio University of Cincinnati Cancer Center-West Chester, West Chester, Ohio University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma Legacy Mount Hood Medical Center, Gresham, Oregon Legacy Good Samaritan Hospital and Medical Center, Portland, Oregon Oregon Health and Science University, Portland, Oregon Chambersburg Hospital, Chambersburg, Pennsylvania Geisinger Medical Center, Danville, Pennsylvania Ephrata Cancer Center, Ephrata, Pennsylvania Adams Cancer Center, Gettysburg, Pennsylvania Sechler Family Cancer Center, Lebanon, Pennsylvania Geisinger Medical Oncology-Lewisburg, Lewisburg, Pennsylvania Temple University Hospital, Philadelphia, Pennsylvania University of Pittsburgh Cancer Institute (UPCI), Pittsburgh, Pennsylvania UPMC-Shadyside Hospital, Pittsburgh, Pennsylvania Geisinger Wyoming Valley/Henry Cancer Center, Wilkes-Barre, Pennsylvania WellSpan Health-York Cancer Center, York, Pennsylvania Prisma Health Cancer Institute - Spartanburg, Boiling Springs, South Carolina Medical University of South Carolina, Charleston, South Carolina Prisma Health Cancer Institute - Faris, Greenville, South Carolina Saint Francis Cancer Center, Greenville, South Carolina Prisma Health Cancer Institute - Eastside, Greenville, South Carolina Prisma Health Cancer Institute - Greer, Greer, South Carolina Carolina Regional Cancer Center, Myrtle Beach, South Carolina Rock Hill Radiation Therapy Center, Rock Hill, South Carolina Levine Cancer Institute-Rock Hill, Rock Hill, South Carolina Prisma Health Cancer Institute - Seneca, Seneca, South Carolina Vanderbilt University/Ingram Cancer Center, Nashville, Tennessee MD Anderson in The Woodlands, Conroe, Texas Parkland Memorial Hospital, Dallas, Texas UT Southwestern Simmons Cancer Center - RedBird, Dallas, Texas UT Southwestern/Simmons Cancer Center-Dallas, Dallas, Texas UT Southwestern/Simmons Cancer Center-Fort Worth, Fort Worth, Texas Lyndon Baines Johnson General Hospital, Houston, Texas Baylor College of Medicine/Dan L Duncan Comprehensive Cancer Center, Houston, Texas Ben Taub General Hospital, Houston, Texas Houston Methodist Hospital, Houston, Texas M D Anderson Cancer Center, Houston, Texas Michael E DeBakey VA Medical Center, Houston, Texas MD Anderson West Houston, Houston, Texas MD Anderson League City, League City, Texas UT Southwestern Clinical Center at Richardson/Plano, Richardson, Texas Audie L Murphy VA Hospital, San Antonio, Texas University of Texas Health Science Center at San Antonio, San Antonio, Texas MD Anderson in Sugar Land, Sugar Land, Texas Scott and White Memorial Hospital, Temple, Texas American Fork Hospital / Huntsman Intermountain Cancer Center, American Fork, Utah Sandra L Maxwell Cancer Center, Cedar City, Utah Logan Regional Hospital, Logan, Utah Intermountain Medical Center, Murray, Utah McKay-Dee Hospital Center, Ogden, Utah Utah Valley Regional Medical Center, Provo, Utah Riverton Hospital, Riverton, Utah University of Utah Sugarhouse Health Center, Salt Lake City, Utah Utah Cancer Specialists-Salt Lake City, Salt Lake City, Utah Huntsman Cancer Institute/University of Utah, Salt Lake City, Utah LDS Hospital, Salt Lake City, Utah George E Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, Utah Saint George Regional Medical Center, St. George, Utah Central Vermont Medical Center/National Life Cancer Treatment, Berlin Corners, Vermont University of Vermont Medical Center, Burlington, Vermont Bon Secours Saint Francis Medical Center, Midlothian, Virginia Bon Secours Cancer Institute at Reynolds Crossing, Richmond, Virginia VCU Massey Cancer Center at Stony Point, Richmond, Virginia Virginia Commonwealth University/Massey Cancer Center, Richmond, Virginia VCU Community Memorial Health Center, South Hill, Virginia FHCC Overlake, Bellevue, Washington Seattle Cancer Care Alliance at EvergreenHealth, Kirkland, Washington FHCC South Lake Union, Seattle, Washington FHCC at Northwest Hospital, Seattle, Washington University of Washington Medical Center - Montlake, Seattle, Washington Legacy Salmon Creek Hospital, Vancouver, Washington West Virginia University Healthcare, Morgantown, West Virginia Langlade Hospital and Cancer Center, Antigo, Wisconsin Marshfield Medical Center-EC Cancer Center, Eau Claire, Wisconsin Mayo Clinic Health System-Franciscan Healthcare, La Crosse, Wisconsin Marshfield Medical Center-Marshfield, Marshfield, Wisconsin Froedtert Menomonee Falls Hospital, Menomonee Falls, Wisconsin Medical College of Wisconsin, Milwaukee, Wisconsin Zablocki Veterans Administration Medical Center, Milwaukee, Wisconsin Marshfield Clinic-Minocqua Center, Minocqua, Wisconsin Cancer Center of Western Wisconsin, New Richmond, Wisconsin Drexel Town Square Health Center, Oak Creek, Wisconsin Marshfield Medical Center-Rice Lake, Rice Lake, Wisconsin Ascension Saint Michael's Hospital, Stevens Point, Wisconsin Marshfield Medical Center-River Region at Stevens Point, Stevens Point, Wisconsin Aspirus Regional Cancer Center, Wausau, Wisconsin Froedtert West Bend Hospital/Kraemer Cancer Center, West Bend, Wisconsin Diagnostic and Treatment Center, Weston, Wisconsin Marshfield Medical Center - Weston, Weston, Wisconsin Aspirus Cancer Care - Wisconsin Rapids, Wisconsin Rapids, Wisconsin Chile
Instituto Nacional del Cancer, Independence Colombia
Instituto Nacional De Cancerologia, Bogotá Mexico
Instituto Nacional De Cancerologia de Mexico, Mexico City, Tlalpan Switzerland
Kantonsspital Aarau, Aarau Last updated September 2025