New drug combo may slow advanced prostate cancer
NCT ID NCT03706365
First seen Jun 27, 2026 · Last updated Aug 07, 2026 · Updated 1 time
Summary
This study tests whether adding the drug abemaciclib to standard treatment (abiraterone acetate plus prednisone) can help men with metastatic castration-resistant prostate cancer live longer without their cancer getting worse. About 393 participants will receive either the combination or a placebo. The main goal is to see if the new combination delays cancer progression on scans.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2/3
Runs two stages together: whether the treatment works, then large-scale confirmation.
- Participants
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393 people
The number who actually took part.
- Started
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Nov 2018
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Male participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Histologically confirmed adenocarcinoma of the prostate. * Metastatic prostate cancer documented by positive bone scan and/or measurable soft tissue metastatic lesions by CT or magnetic resonance imaging (MRI). * Progressive disease at study entry demonstrated during continuous androgen-deprivation therapy (ADT)/post orchiectomy defined as one or more of the following: * PSA progression * Radiographic progression per Response Evaluation Criteria in Solid Tumors (RECIST)1.1 for soft tissue and/or per Prostate Cancer Working Group 3 (PCWG3) for bone, with or without PSA progression * Have adequate organ function. * Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0-1. Exclusion Criteria: * Prior therapy with cytochrome P450 (CYP)17 inhibitors. * Prior treatment with abemaciclib or any cyclin-dependent kinase (CDK) 4 \& 6 inhibitors. * Prior cytotoxic chemotherapy for metastatic castration resistant prostate cancer (participants treated with docetaxel in the metastatic hormone-sensitive prostate cancer \[mHSPC\] are eligible). Prior radiopharmaceuticals for prostate cancer, or prior enzalutamide, apalutamide, darolutamide or sipuleucel-T. Participants who had prior radiation or surgery to all target lesions. * Currently enrolled in a clinical study involving an investigational product. * Gastrointestinal disorder affecting the absorption or ability to swallow large pills. * Clinically significant heart disease, active or chronic liver disease, moderate/severe hepatic impairment (Child-Pugh Class B and C).
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Asan Medical Center
Songpagu, Seoul-teukbyeolsi [Seoul], 5505, South Korea
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Associated Medical Professionals - Urology
Syracuse, New York, 13210, United States
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Baylor Scott & White Medical Center - Temple
Temple, Texas, 76508, United States
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CBCC Global Research, Inc.
Bakersfield, California, 93309, United States
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CHD Vendee
La Roche-sur-Yon, Vendée, 85000, France
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CHU de Bordeaux Hop St ANDRE
Bordeaux, 33075, France
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Canisius-Wilhelmina Ziekenhuis
Nijmegen, Gelderland, 6532 SZ, Netherlands
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Centre Leon Berard
Lyon, Auvergne-Rhône-Alpes, 69373, France
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Centre de Cancérologie du Grand Montpellier
Montpellier, Languedoc-Roussillon, 34070, France
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Centrul de Oncologie "Sfântul Nectarie"
Craiova, Dolj, 200542, Romania
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Chris O'Brien Lifehouse
Camperdown, New South Wales, 2050, Australia
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Clinique Victor Hugo Le Mans
Le Mans, Pays de la Loire Region, 72000, France
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Comprehensive Cancer Centers of Nevada
Las Vegas, Nevada, 89119, United States
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Erasmus Medisch Centrum
Rotterdam, South Holland, 3015 GD, Netherlands
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Fort Wayne Medical Oncology And Hematology at Parkview Comprehensive Cancer Center
Fort Wayne, Indiana, 46804, United States
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Fudan University Shanghai Cancer Center
Shanghai, Shanghai Municipality, 200032, China
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Gesundheitszentrum Holzminden
Holzminden, Lower Saxony, 37603, Germany
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Gifu University Hospital
Gifu, 501-1112, Japan
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Gral Medical Diagnostic Center
Bucharest, 31422, Romania
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Hamamatsu University Hospital
Hamamatsu, Shizuoka, 431-3192, Japan
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Harbin Medical University Cancer Hospital
Harbin, Heilongjiang, 150081, China
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Henri Mondor Hospital
Créteil, Île-de-France Region, France
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Hirosaki University Hospital
Hirosaki, Aomori, 036-8563, Japan
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Hokkaido University Hospital
Sapporo, Hokkaido, 060-8648, Japan
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Hospital Clínic de Barcelona
Barcelona, Catalunya [Cataluña], 8036, Spain
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Hospital General Universitario Gregorio Marañon
Madrid, 28009, Spain
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Hospital Universitari Vall d'Hebron
Barcelona, Barcelona [Barcelona], 8035, Spain
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Hospital Universitario 12 de Octubre
Madrid, Madrid, Comunidad de, 28041, Spain
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Hospital Universitario Ramón y Cajal
Madrid, Madrid, Comunidad de, 28034, Spain
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Hospital Universitario Virgen de la Victoria
Málaga, Málaga, 29010, Spain
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Huashan Hospital Affiliated Fudan University
Shanghai, Shanghai Municipality, 200040, China
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Hunan Cancer Hospital
Changsha, Hunan, 410013, China
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Hunan Provincial People's Hospital
Changsha, Hunan, 410005, China
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Huntsman Cancer Institute
Salt Lake City, Utah, 84112, United States
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Instituto Catalan de Oncologia - Hospital Duran i Reynals
Hospitalet, Barcelona [Barcelona], 8907, Spain
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Japanese Red Cross Nagoya Daini Hospital
Nagoya, Aichi-ken, 466-8650, Japan
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Jilin Province People's Hospital
Changchun, Jilin, 130021, China
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Kanazawa University Hospital
Kanazawa, Ishikawa-ken, 920-8641, Japan
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Kobe City Medical Center General Hospital
Kobe, Hyōgo, 650-0047, Japan
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Lanzhou university second hospital
Lanzhou, Gansu, 730030, China
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M Health Fairview University of Minnesota Medical Center - East Bank
Minneapolis, Minnesota, 55455, United States
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Macquarie University
Macquarie University, New South Wales, 2109, Australia
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Massachusetts General Hospital
Boston, Massachusetts, 02114, United States
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Mayo Clinic in Arizona - Phoenix
Phoenix, Arizona, 85054, United States
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Millennium Oncology - Hollywood
Hollywood, Florida, 33024, United States
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Moores Cancer Center
La Jolla, California, 92093, United States
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Nanchong Central Hospital
Nanchong, Sichuan, 637000, China
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Nanjing Drum Tower Hospital The Affiliated Hospital of Nanjing University Medical SchoolNanjing
Nanjing, Jiangsu, 210000, China
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Nantong Tumor Hospital
Nantong, Jiangsu, 226361, China
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National Hospital Organization Kumamoto Medical Center
Kumamoto, 860-0008, Japan
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New York Oncology Hematology (NYOH) - Clifton Park Cancer Center
Albany, New York, 12206, United States
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New York Oncology Hematology (NYOH) - Clifton Park Cancer Center
The Woodlands, Texas, 77380, United States
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Ningbo First Hospital
Ningbo, Zhejiang, 315010, China
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Northside Hospital
Atlanta, Georgia, 30342, United States
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Northwest Cancer Specialists PC
The Woodlands, Texas, 77380, United States
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Næstved Sygehus
Næstved, Region Sjælland, 4700, Denmark
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Osaka International Cancer Institute
Osaka, 541-8567, Japan
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Ovidius Clinical Hospital OCH
Ovidiu, Constanța County, 905900, Romania
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Pacific Cancer Care
Monterey, California, 93940, United States
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Peter MacCallum Cancer Centre
Melbourne, Victoria, 3000, Australia
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Prince of Wales Hospital
Randwick, New South Wales, 2031, Australia
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Private Practice - Dr. Ralf Eckert
Eisleben Lutherstadt, Saxony-Anhalt, 06295, Germany
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Private Practice - Dr. Silvio Szymula
Leipzig, Saxony, 4105, Germany
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Private Practice - Dr. Stammel & Dr. Garcia
Wesel, North Rhine-Westphalia, 46483, Germany
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Providence St. Jude Medical Center
Fullerton, California, 92835, United States
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Research Medical Center
Nashville, Tennessee, 37203, United States
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Rigshospitalet
Copenhagen, Capital Region, 2100, Denmark
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Rocky Mountain Cancer Center
Lone Tree, Colorado, 80124, United States
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Saitama Prefectural Cancer Center
Ina-machi, Saitama, 362-0806, Japan
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Samsung Medical Center
Seoul, Seoul-teukbyeolsi [Seoul], 6351, South Korea
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Sansum Clinic_Kendle
Santa Barbara, California, 93105, United States
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Sansum Clinic_Kendle
The Woodlands, Texas, 77380, United States
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Second Affiliated hospital of Anhui Medical University
Hefei, Anhui, 230000, China
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Seoul National University Hospital
Seoul, Seoul-teukbyeolsi [Seoul], 3080, South Korea
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Severance Hospital, Yonsei University Health System
Seoul, Seoul-teukbyeolsi [Seoul], 3722, South Korea
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Showa University Hospital
Shinagawa, Tokyo, 142-8555, Japan
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Southside Cancer Care Centre
Kogarah, New South Wales, 2228, Australia
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St Vincent's Hospital
Melbourne, Victoria, 3065, Australia
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St. Antonius Ziekenhuis, locatie Utrecht
Utrecht, 3543 AZ, Netherlands
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St. Bernards Medical Center
Jonesboro, Arkansas, 72401, United States
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St. Joseph's Hospital and Medical Center
Phoenix, Arizona, 85004, United States
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Studienpraxis Urologie
Nürtingen, Baden-Wurttemberg, 72622, Germany
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Studienzentrum Bayenthal Urologische Partnerschaft Köln
Cologne, North Rhine-Westphalia, 50968, Germany
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Sun Yat-Sen University Cancer Centre
Guangzhou, Guangdong, 510060, China
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TRIO-US (Translational Research in Oncology-US)
Los Angeles, California, 90024, United States
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Texas Oncology - Longview Cancer Center
The Woodlands, Texas, 77380, United States
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Texas Oncology Cancer Care and Research Center
The Woodlands, Texas, 77380, United States
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Texas Oncology Fort Worth
The Woodlands, Texas, 77380, United States
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Texas Oncology-Memorial City
The Woodlands, Texas, 77380, United States
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The First Affiliated Hospital of Henan University of Science &Technology
Luoyang, Henan, 471003, China
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The First Affiliated Hospital of Nanchang University
Nanchang, Jiangxi, 330006, China
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The First Affiliated Hospital of Xi'an Jiaotong University
Xi'an, Shaanxi, 710061, China
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The First Affiliated Hospital, Zhejiang University
Hangzhou, Zhejiang, 310003, China
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The Second Hospital of Tianjin Medical University
Tianjin, Tianjin Municipality, 300211, China
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The University of Arizona Cancer Center - North Campus
Tucson, Arizona, 85719, United States
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The University of Vermont Medical Center Inc.
Burlington, Vermont, 05405, United States
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Tianjin Medical University Cancer Institute and Hospital
Tianjin, Tianjin Municipality, 300060, China
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Toho University Sakura Medical Center
Sakura, Chiba, 285-0841, Japan
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Tongji Hospital Tongji Medical,Science & Technology
Wuhan, Hubei, 430030, China
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UCLA Hematology/Oncology - Westwood (Building 100)
Los Angeles, California, 90095, United States
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US Oncology
The Woodlands, Texas, 77380, United States
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USO-Cancer Care Center of Brevard, Inc.
The Woodlands, Texas, 77380, United States
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Universitaetsklinikum Tuebingen
Tübingen, Baden-Wurttemberg, 72076, Germany
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Universitätsklinikum Münster - Albert Schweitzer Campus
Münster, North Rhine-Westphalia, 48149, Germany
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Urologie Neandertal - Praxis Mettmann
Mettmann, North Rhine-Westphalia, 40822, Germany
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Wannan Medical College Yijishan Hospital
Wuhu, Anhui, 241001, China
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Wuhan Union Hospital
Wuhan, Hubei, 430022, China
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Wuxi People's Hospital
Wuxi, Jiangsu, 214023, China
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Xinjiang Medical University Cancer Hospital - Urumqi
Ürümqi, Xinjiang, 830000, China
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Yantai Yuhuangding Hospital
Yantai, Shandong, 264099, China
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Yokohama City University Medical Center
Yokohama, Kanagawa, 232-0024, Japan
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Zhejiang Provincial People's Hospital
Hangzhou, Zhejiang, 310014, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- A scanner in the operating room could show surgeons exactly where prostate cancer remains
- New PET tracer aims to light up hidden cancer targets
- Can daily adaptive radiotherapy spare healthy tissue in prostate cancer?
- Can a radioactive tracer and MRI reveal prostate Cancer's true extent?
- Five-Fraction radiation plus hormone therapy tested against High-Risk prostate cancer
- Can a 10-Hour eating window fight cancer fatigue?