A Study to Learn About the Study Medicine Called PF-07248144 in Combination With Fulvestrant in People With HR-positive, HER2-negative Advanced or Metastatic Breast Cancer Who Progressed After a Prior Line of Treatment.

Ironwood Cancer & Research Centers, Chandler, Arizona, United States

Ironwood Cancer & Research Centers, Gilbert, Arizona, United States

Ironwood Cancer & Research Centers, Glendale, Arizona, United States

Ironwood Cancer & Research Centers, Goodyear, Arizona, United States

Ironwood Cancer & Research Centers, Mesa, Arizona, United States

Ironwood Cancer & Research Centers, Mesa, Arizona, United States

Ironwood Cancer & Research Centers, Phoenix, Arizona, United States

Ironwood Cancer & Research Centers, Scottsdale, Arizona, United States

Ventura County Hematology Oncology Specialists, Camarillo, California, United States

Los Angeles Cancer Network - (Admin Only / Central IDS) - No Patients, Glendale, California, United States

Los Angeles Cancer Network - Good Samaritan, Los Angeles, California, United States

Los Angeles Hematology Oncology Medical Group, Los Angeles, California, United States

Rolling Oaks Radiology - Oxnard, Oxnard, California, United States

Ventura County Hematology Oncology Specialists, Oxnard, California, United States

Dr. Manoj Khatore, MD, FACC (Cardiology Practice), Oxnard, California, United States

Ventura County Hematology Oncology Specialists, Ventura, California, United States

Rocky Mountain Cancer Centers LLP, Aurora, Colorado, United States

Rocky Mountain Cancer Centers LLP, Boulder, Colorado, United States

Rocky Mountain Cancer Centers LLP, Centennial, Colorado, United States

Rocky Mountain Cancer Centers LLP, Colorado Springs, Colorado, United States

Rocky Mountain Cancer Centers LLP, Colorado Springs, Colorado, United States

Rocky Mountain Cancer Centers LLP, Denver, Colorado, United States

Rocky Mountain Cancer Centers LLP, Englewood, Colorado, United States

Rocky Mountain Cancer Centers LLP, Lakewood, Colorado, United States

Rocky Mountain Cancer Centers LLP, Littleton, Colorado, United States

Rocky Mountain Cancer Centers LLP, Lone Tree, Colorado, United States

Rocky Mountain Cancer Centers LLP, Longmont, Colorado, United States

Rocky Mountain Cancer Centers LLP, Pueblo, Colorado, United States

Rocky Mountain Cancer Centers LLP, Thornton, Colorado, United States

Smilow Cancer Hospital - Derby, Derby, Connecticut, United States

Smilow Cancer Hospital - Fairfield, Fairfield, Connecticut, United States

Smilow Cancer Hospital - Glastonbury, Glastonbury, Connecticut, United States

Smilow Cancer Hospital - Greenwich, Greenwich, Connecticut, United States

Smilow Cancer Hospital - Guilford, Guilford, Connecticut, United States

Smilow Cancer Hospital at Saint Francis, Hartford, Connecticut, United States

Smilow Cancer Hospital - Yale New Haven Health, New Haven, Connecticut, United States

Smilow Cancer Hospital - North Haven, North Haven, Connecticut, United States

Smilow Cancer Hospital - Long Ridge, Stamford, Connecticut, United States

Smilow Cancer Hospital - Waterbury, Waterbury, Connecticut, United States

MedStar Washington Hospital Center, Washington D.C., District of Columbia, United States

Emory University Hospital Midtown, Atlanta, Georgia, United States

Summit Cancer Care, PC, Savannah, Georgia, United States

Summit Cancer Care, Savannah, Georgia, United States

Memorial Hospital., Shiloh, Illinois, United States

Orchard Healthcare Research Inc., Skokie, Illinois, United States

Maryland Oncology Hematology P.A., Annapolis, Maryland, United States

Mfsmc-Hjwci, Baltimore, Maryland, United States

Maryland Oncology Hematology P.A., Bethesda, Maryland, United States

Maryland Oncology Hematology P.A., Columbia, Maryland, United States

Maryland Oncology Hematology P.A., Germantown, Maryland, United States

Maryland Oncology Hematology P.A., Largo, Maryland, United States

Maryland Oncology Hematology P.A., Rockville, Maryland, United States

Maryland Oncology Hematology P.A., Silver Spring, Maryland, United States

The Cancer & Hematology Centers, Holland, Michigan, United States

Minnesota Oncology Hematology, P.A., Burnsville, Minnesota, United States

Minnesota Oncology Hematology, P.A., Coon Rapids, Minnesota, United States

Minnesota Oncology Hematology, P.A., Edina, Minnesota, United States

Minnesota Oncology Hematology, P.A., Maple Grove, Minnesota, United States

Minnesota Oncology Hematology, P.A., Maplewood, Minnesota, United States

Minnesota Oncology Hematology, P.A., Minneapolis, Minnesota, United States

Minnesota Oncology Hematology, P.A., Plymouth, Minnesota, United States

Minnesota Oncology Hematology, P.A., Woodbury, Minnesota, United States

Siteman Cancer Center - St Peters, City of Saint Peters, Missouri, United States

Siteman Cancer Center - North County, Florissant, Missouri, United States

Saint Luke's Hospital of Kansas City, Kansas City, Missouri, United States

Siteman Cancer Center, St Louis, Missouri, United States

Comprehensive Cancer Centers of Nevada, Henderson, Nevada, United States

Comprehensive Cancer Centers of Nevada, Henderson, Nevada, United States

Comprehensive Cancer Centers of Nevada, Las Vegas, Nevada, United States

Comprehensive Cancer Centers of Nevada, Las Vegas, Nevada, United States

Comprehensive Cancer Centers of Nevada, Las Vegas, Nevada, United States

Comprehensive Cancer Centers of Nevada, Las Vegas, Nevada, United States

Hackensack University Medical Center, Hackensack, New Jersey, United States

The West Clinic, PLLC dba West Cancer Center, Germantown, Tennessee, United States

SCRI Oncology Partners, Nashville, Tennessee, United States

Henry-Joyce Cancer Clinic, Nashville, Tennessee, United States

Texas Oncology-Northeast Texas, Allen, Texas, United States

Texas Oncology - Central South (Balcones Dr), Austin, Texas, United States

Texas Oncology - Central South (James Casey), Austin, Texas, United States

Texas Oncology-Northeast Texas, Denison, Texas, United States

Texas Oncology-Northeast Texas, Denton, Texas, United States

Texas Oncology-Northeast Texas, Flower Mound, Texas, United States

University of Texas MD Anderson Cancer Center, Houston, Texas, United States

MD Anderson West Houston, Houston, Texas, United States

US Oncology Investigational Product Center (IPC), Irving, Texas, United States

US Oncology Investigational Products Center, Irving, Texas, United States

MD Anderson League City, League City, Texas, United States

Texas Oncology-Northeast Texas, Lewisville, Texas, United States

Texas Oncology-Northeast Texas, Longview, Texas, United States

Texas Oncology - Central South (South 2nd), McAllen, Texas, United States

Texas Oncology-Northeast Texas, McKinney, Texas, United States

Texas Oncology-Northeast Texas, Palestine, Texas, United States

Texas Oncology-Northeast Texas, Paris, Texas, United States

Texas Oncology-Northeast Texas, Tyler, Texas, United States

Huntsman Cancer Institute, Salt Lake City, Utah, United States

Virginia Oncology Associates, Chesapeake, Virginia, United States

Virginia Cancer Specialists, Manassas, Virginia, United States

Bon Secours Cancer Institute at Memorial Regional Medical Center, Mechanicsville, Virginia, United States

Virginia Cancer Specialists, PC, Reston, Virginia, United States

Virginia Oncology Associates, Virginia Beach, Virginia, United States

Virginia Oncology Associates, Williamsburg, Virginia, United States

Fred Hutchinson Cancer Center, Seattle, Washington, United States

ICON Cancer Centre - Kurralta Park, Kurralta Park, South Australia, Australia

Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia

Western Health-Sunshine & Footscray Hospitals, St Albans, Victoria, Australia

Algemeen Ziekenhuis klina, Brasschaat, Antwerpen, Belgium

Institut Jules Bordet, Anderlecht, Bruxelles-capitale, Région de, Belgium

Cliniques universitaires Saint-Luc, Brussels, Bruxelles-capitale, Région de, Belgium

AZ Groeninge Campus Kennedylaan, Kortrijk, West-vlaanderen, Belgium

Afecc Associacao Feminina Educacao Combate Cancer, Vitória, Espírito Santo, Brazil

ONCOSITE - Centro de Pesquisa Clinica em Oncologia, Ijuí, Rio Grande do Sul, Brazil

Hospital São Lucas da PUCRS, Porto Alegre, Rio Grande do Sul, Brazil

ANIMI - Unidade de Tratamento Oncologico, Lages, Santa Catarina, Brazil

IBCC - Núcleo de Pesquisa e Ensino, São Paulo, Brazil

Multiprofile Hospital for Active Treatment Serdikamed EOOD, Sofia, Sofia (stolitsa), Bulgaria

Specialized Hospital for Active Treatment of Oncology - Haskovo, Haskovo, Bulgaria

Complex Oncology Center - Shumen, Shumen, Bulgaria

Centre Hospitalier de l'Université de Montréal, Montreal, Quebec, Canada

CHU de Québec-Université Laval, Hôpital du Saint-Sacrement, Québec, Quebec, Canada

CHU de Québec-Université Laval, Québec, Canada

Anhui Provincial Cancer Hospital, Hefei, Anhui, China

Fujian Medical University Union Hospital, Fuzhou, Fujian, China

Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, China

Southern Medical University Nanfang Hospital, Guangzhou, Guangdong, China

Affiliated Hospital of Hebei University, Baoding, Hebei, China

Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, Hubei, China

Hunan Cancer Hospital, Changsha, Hunan, China

Nanjing Drum Tower Hospital The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu, China

The 2nd Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China

Shandong Cancer Hospital, Jinan, Shandong, China

Fudan University Shanghai Cancer Center, Shanghai, Shanghai Municipality, China

Fakultni Thomayerova nemocnice, Prague, Praha 4, Czechia

Fakultni nemocnice v Motole, Prague, Praha 5, Czechia

Nemocnice AGEL Novy Jicin a.s., Nový Jičín, Czechia

Kuopion Yliopistollinen Sairaala, Kuopio, Northern Savonia, Finland

Tampereen yliopistollinen sairaala, Tampere, Pirkanmaa, Finland

Docrates Syöpäsairaala, Helsinki, Uusimaa, Finland

Centre Eugène Marquis Rennes - Centre de Lutte Contre le Cancer, Rennes, Brittany Region, France

Institut Régional du Cancer Montpellier, Montpellier, Hérault, France

Institut de Cancérologie de Lorraine Alexis Vautrin, Vandœuvre-lès-Nancy, Lorraine, France

Hôpital de la Croix-Rousse, Lyon, Rhône, France

Centre Hospitalier Lyon Sud, Pierre-Bénite, Rhône, France

Institut Bergonié, Bordeaux, France

Centre François Baclesse, Caen, France

Universitätsklinik Ulm, Ulm, Baden-Wurttemberg, Germany

Universitaetsklinikum Erlangen, Erlangen, Bavaria, Germany

Charité Universitaetsmedizin Berlin - Campus Mitte, Berlin, Germany

Mammazentrum HH am Krankenhaus Jerusalem, Hamburg, Germany

IASO General Clinic, Athens, Attica, Greece

Hygeia Hospital, Marousi, Attikí, Greece

University General Hospital of Heraklion, Heraklion, Irakleío, Greece

Semmelweis Egyetem, Budapest, Hungary

Debreceni Egyetem Klinikai Kozpont, Debrecen, Hungary

Nirmal Hospital Pvt Ltd., Surat, Gujarat, India

Spandana Oncology Centre (SOC), Bengaluru, Karnataka, India

Apex Wellness Hospital, Nashik, Maharashtra, India

Sahyadri Super Speciality Hospital, Pune, Maharashtra, India

Rabin Medical Center, Petah Tikva, Central District, Israel

Shaare Zedek Medical Center, Jerusalem, Jerusalem, Israel

Hadassah Medical Center, Jerusalem, Jerusalem, Israel

Rambam Health Care Campus, Haifa, Northern District, Israel

Sourasky Medical Center, Tel Aviv, TELL ABĪB, Israel

IRCCS Azienda Ospedaliero-Universitaria di Bologna, Policlinico di Sant'Orsola, Bologna, Emilia-Romagna, Italy

IRCCS - Istituto Romagnolo per lo Studio dei Tumori (IRST) "Dino Amadori", Meldola, Emilia-Romagna, Italy

Istituto Nazionale dei Tumori IRCCS Fondazione G Pascale, Naples, Naples, Italy

Ospedale San Raffaele, Milan, Italy

National Cancer Center Hospital East, Kashiwa, Chiba, Japan

Gunma Prefectural Cancer Center, Otashi, Gunma, Japan

Tokai University Hospital, Isehara, Kanagawa, Japan

Kanagawa cancer center, Yokohama, Kanagawa, Japan

Juntendo University Hospital, Bunkyo-ku, Tokyo, Japan

National Hospital Organization Kyushu Cancer Center, Fukuoka, Japan

Showa Medical University Hospital, Tokyo, Japan

Centro de Investigacion Clinica de Oaxaca, Oaxaca City, Oaxaca, Mexico

COI Centro Oncologico Internacional S.A.P.I. de C.V., Mexico City, Mexico

Franciscus Vlietland Ziekenhuis, Schiedam, South Holland, Netherlands

Centrum Onkologii im. Prof. Franciszka Lukaszczyka, Bydgoszcz, Kuyavian-Pomeranian Voivodeship, Poland

Centrum Badań Klinicznych Jagiellońskie Centrum Innowacji sp. z o.o., Krakow, Lesser Poland Voivodeship, Poland

Onkologicky Ustav sv. Alzbety, Bratislava, Bratislava Region, Slovakia

Vychodoslovensky Onkologicky ustav a.s., Košice, Košice Region, Slovakia

Narodny onkologicky ustav, Bratislava, Slovakia

Seoul National University Bundang Hospital, Seongnam-si, Kyǒnggi-do, South Korea

Gangnam Severance Hospital, Yonsei University Health System, Gangnam-gu, Seoul-teukbyeolsi [seoul], South Korea

Severance Hospital, Yonsei University Health System, Seoul, Seoul-teukbyeolsi [seoul], South Korea

Samsung Medical Center, Seoul, Seoul-teukbyeolsi [seoul], South Korea

CHUAC-Complejo Hospitalario Universitario A Coruña, A Coruña, A Coruña [LA Coruña], Spain

Hospital Universitari Vall d'Hebron, Barcelona, Barcelona [barcelona], Spain

Osi Bilbao-Basurto, Bilbao, Basque Country, Spain

Hospital Clínic de Barcelona, Barcelona, Catalunya [cataluña], Spain

Hospital Universitario Virgen de la Victoria, Málaga, Málaga, Spain

Hospital Universitario San Cecilio, Granada, Spain

Hospital Universitario de Jaen, Jaén, Spain

Hospital Universitario Miguel Servet, Zaragoza, Spain

Södersjukhuset, Stockholm, Stockholms LÄN [se-01], Sweden

Sahlgrenska Universitetssjukhuset, Gothenburg, Sweden

Chi Mei Medical Center, Tainan, Tainan, Taiwan

Taipei Veterans General Hospital, Taipei, Taiwan

Medipol Mega Universite Hastanesi, Istanbul, İ̇stanbul, Turkey (Türkiye)

Memorial Ankara Hastanesi, Ankara, Turkey (Türkiye)

Ankara Bilkent Şehir Hastanesi, Ankara, Turkey (Türkiye)

Dicle Üniversitesi, Diyarbakır, Turkey (Türkiye)

Musgrove Park Hospital, Taunton, Somerset, United Kingdom