Biochemically Recurrent Prostate CancerPhase 3ARASTEPNCT05794906
A Study to Compare Darolutamide Given With Androgen Deprivation Therapy (ADT) and Placebo Given With ADT in Men With Hormone Sensitive Prostate Cancer and Raise of Prostate Specific Antigen (PSA) Levels After Local Therapies
A Phase 3 study testing Darolutamide (BAY1841788, Nubeqa) and ADT in people with Biochemically Recurrent Prostate Cancer, run by Bayer at 226 sites in 23 countries.
Trial summary
Researchers are looking for a better way to treat men at high-risk of biochemical recurrence (BCR) of prostate cancer. BCR means that in men who had prostate cancer and were treated by either surgery and/ or radiation therapy, the blood level of a specific protein called PSA rises. Read more about this study
- Who is it for?
- Ages 18 years and older, men only
- Conditions the study is for
- Biochemically Recurrent Prostate Cancer
- What is being tested?
- Darolutamide (BAY1841788, Nubeqa) and ADT
- Type of treatment
- Pill or oral medicine
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 985 participants
- Where
- 226 sitesin 23 countries
- Study dates
- 3 Apr 2023to 29 Mar 2030
- Phase
- Phase 3
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- Men only
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Capable of giving signed informed consent as described which includes compliance with the requirements, restrictions listed in the informed consent form (ICF), and in this protocol.
- Male ≥18 years of age at the time of signing the informed consent.
- Histologically or cytologically confirmed adenocarcinoma of prostate.
- Prostate cancer initially treated by: radical prostatectomy (RP) followed by adjuvant radiotherapy (ART), or salvage radiotherapy (SRT), or RP in participants who are unfit for (or refused) ART or SRT, or primary radiotherapy (RT).
- High-risk biochemical recurrence (BCR), defined as Prostate-specific antigen doubling time (PSADT) <12 months calculated using the formula provided by the Sponsor, and PSA ≥0.2 ng/mL after ART or SRT post RP or after RP in participants who are unfit for ART or SRT (local or central values accepted), or PSA ≥2 ng/mL above the nadir after primary RT only (local or central values accepted).
- Participants must undergo prostate-specific membrane antigen positron emission tomography/computed tomography (PSMA PET/CT) within the 42-day Screening period using either 18F-DCFPyL (piflufolastat F 18) or 68Ga-PSMA-11 which will be assessed by blinded independent central review (BICR) to identify at least one PSMA PET/CT lesion of prostate cancer.
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- Serum testosterone ≥150 ng/dL (5.2 nmol/L) (local assessment is allowed whenever central assessment cannot be done).
- Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
- Blood counts at screening: Hemoglobin ≥9.0 g/dL (participant must not have received blood transfusion within 7 days prior to sample being taken); Absolute neutrophil count (ANC) ≥1.5x10^9/L (participant must not have received any growth factor within 4 weeks prior to sample being taken); Platelet count ≥100x10^9/L.
- Screening values of: Alanine aminotransferase (ALT) ≤1.5 x upper limit of normal (ULN); Aspartate aminotransferase (AST) ≤1.5 x ULN; Total bilirubin (TBL) ≤1.5 ULN, (except participants with a diagnosis of Gilbert's disease); Estimated glomerular filtration rate (eGFR) >40 ml/min/1.73 m^2 calculated by the CKD-EPI formula.
- Sexually active male participants must agree to use contraception as detailed in the protocol during the Treatment period and for at least 1 week after the last dose of study treatment, and refrain from donating sperm during this period.
Who cannot join
- Pathological finding consistent with small cell, ductal or ≥50 % component of neuroendocrine carcinoma of the prostate.
- History of bilateral orchiectomy.
- Metastases or recurrent /new malignant lesions in prostate gland/bed seminal vesicles, lymph nodes below the CIA bifurcation on conventional imaging (CI) as assessed by BICR during screening.
- Brain metastasis on PSMA PET /CT by BICR at screening.
- High-risk BCR after primary radiotherapy with new loco-regional lesions on screening PSMA PET/CT who are eligible for curative salvage prostatectomy.
- Note: Participants treated with curative salvage prostatectomy after primary RT who meet the PSA criteria (inclusion criteria 5) may be considered for the study.
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- Prior treatment with second generation (e.g. enzalutamide, apalutamide) androgen receptor inhibitors (ARIs) and CYP 17 inhibitors (e.g., abiraterone) within 18 months prior to signing of the ICF.
- Prior treatments with PSMA-radiotherapeutics within 12 months prior to randomization.
- Prior radiotherapy (including image-guided radiotherapy) as primary, adjuvant or salvage treatment completed within 8 weeks prior to signing of the ICF.
- Any prior malignancy (other than adequately treated basal cell or squamous cell skin cancer, superficial bladder cancer, or any other cancer in situ currently in complete remission) within 5 years.
- History of pelvic radiotherapy for other malignancy.
Trial locations and contacts
226 sites in 23 countries.
226 sites in 23 countries
United States25 sites
Chesapeake Urology Associates - Towson
Baltimore, Maryland, 21204
Sidney Kimmel Comprehensive Cancer Center - Johns Hopkins
Baltimore, Maryland, 21231
Dana-Farber Cancer Institute - Oncology Department
Boston, Massachusetts, 02215
Northwestern Medicine - Urology
Chicago, Illinois, 60611
University Hospital Simmons Cancer Center Genitourinary Clinic
Dallas, Texas, 75235
Barbara Ann Karmanos Cancer Institute - Detroit Headquarters
Detroit, Michigan, 48201
City of Hope - Duarte Cancer Center
Duarte, California, 91010
Alliance Urology Specialists
Greensboro, North Carolina, 27403
The University of Texas MD Anderson Cancer Center - Texas Medical Center
Houston, Texas, 77030
The University of Kansas Cancer Center - Richard and Annette Bloch Radiation Oncology Pavilion
Kansas City, Missouri, 66160
Colorado Urology - St. Anthony Hospital Campus
Lakewood, Colorado, 80228
USC Norris Comprehensive Cancer Center
Los Angeles, California, 90033
Tower Urology
Los Angeles, California, 90048
UCLA Clark Urology Center
Los Angeles, California, 90095
NYU Langone Health
Mineola, New York, 11501
M Health Fairview Masonic Cancer Clinic - Clinics and Surgery Center
Minneapolis, Minnesota, 55455
Carolina Urological Research Center
Myrtle Beach, South Carolina, 29579
Icahn School of Medicine at Mount Sinai - Oncology
New York, New York, 10029
XCancer Omaha
Omaha, Nebraska, 68130
Mayo Clinic Hospital - Phoenix - Cardiology
Phoenix, Arizona, 85054
Allegheny General Hospital
Pittsburgh, Pennsylvania, 15212
USA Clinical Trials
San Antonio, Texas, 78229
The Urology Place
San Antonio, Texas, 78240
UCSF Bakar Precision Cancer Medicine Building - Genitourinary
San Francisco, California, 94143
Washington University School of Medicine - Center for Advanced Medicine (CAM)
St Louis, Missouri, 63110-1032
France22 sites
Centre d' Oncologie du Pays Basque Clinique Belharra - Bayonne - Oncologie medicale
Bayonne, New Aquitaine, 64100
CHRU Besancon - Hopital Jean Minjoz
Besançon, Bourgogne-Franche-Comté, 25000
CHU Bordeaux - Hopital Pellegrin - Service urologie
Bordeaux, New Aquitaine, 33000
Hopital La Cavale Blanche - CHU de Brest - institut de cancerologie et d'imagerie
Brest, Brittany Region, 29200
Centre Hospitalier Universitaire de Clermont Ferrand - Gabriel Montpied - Service Urologie
Clermont-Ferrand, Auvergne-Rhône-Alpes, 63000
APHP - Hopital Henri Mondor - Departement Urologie
Créteil, Île-de-France Region, 94000
Institut de cancerologie de Bourgogne - Departement radiotherapie
Dijon, Bourgogne-Franche-Comté, 21000
Centre Georges Francois Leclerc Dijon - service de radiotherapie
Dijon, Bourgogne-Franche-Comté, 21079
Center Hospitalier Michallon - Grenoble - Service d Urologie et de la transplantation Renale
La Tronche, Auvergne-Rhône-Alpes, 38700
Hopital Claude Huriez - Lille - Urologie
Lille, Hauts-de-France, 59000
Hopital Prive Le Bois - Centre Bourgogne - Service radiotherapie oncologie
Lille, Hauts-de-France, 59000
UNICANCER - Centre Leon-Berard (CLB) - Medical oncology
Lyon, Auvergne-Rhône-Alpes, 69373
Clinique Clementville
Montpellier, Occitanie, 34070
HCL - Centre Hospitalier Lyon Sud
Pierre-Bénite, Auvergne-Rhône-Alpes, 69495
Institut de Cancerologie Jean Godinot - Departement oncologie medicale
Reims, Grand Est, 51056
CHU Rennes - Hopital Pontchaillou - Urologie
Rennes, Brittany Region, 35000
Institut Curie - Saint-Cloud
Saint-Cloud, Île-de-France Region, 92210
Institut de Cancerologie de l'Ouest - Saint Herblain - Unite de therapie precoce
Saint-Herblain, Pays de la Loire Region, 44800
ICANS - Institut de Cancerologie de Strasbourg Europe
Strasbourg, Grand Est, 67033
Institut Claudius Regaud - iUCT Oncopole - Service oncologie
Toulouse, Occitanie, 31100
Institut de Cancérologie de Lorraine - Alexis Vautrin
Vandœuvre-lès-Nancy, Grand Est, 54519
Gustave Roussy - Departement Oncologie-Radiotherapie
Villejuif, Île-de-France Region, 94800
Germany20 sites
Universitätsklinikum Aachen / Klinik und Poliklinik für Urologie und Kinderurologie
Aachen, North Rhine-Westphalia, 52074
Marien-Krankenhaus Bergisch Gladbach
Bergisch Gladbach, North Rhine-Westphalia, 51465
Vivantes Klinikum Am Urban
Berlin, 10967
Städtisches Klinikum Braunschweig GmbH
Braunschweig, Lower Saxony, 38126
Universitätsklinikum Carl Gustav Carus an der Technischen Universität Dresden AöR
Dresden, Saxony, 1307
Urologicum Duisburg
Duisburg, North Rhine-Westphalia, 47169
Universitätsklinikum der Johann Wolfgang Goethe Universität
Frankfurt am Main, Hesse, 60590
Universitätsmedizin der Georg-August-Universität Göttingen
Göttingen, Lower Saxony, 37075
Universitätsklinikum Hamburg-Eppendorf - Martini-Klinik am UKE GmbH
Hamburg, 20246
Marienhospital Herne Universitätsklinik
Herne, North Rhine-Westphalia, 44625
Universitaetsklinikum Jena - Klinik fuer Urologie
Jena, Thuringia, 7747
Universitätsklinikum Schleswig-Holstein/ Klinik für Urologie
Kiel, Schleswig-Holstein, 24105
Medizinische Fakultät der Otto-von-Guericke Universität
Magdeburg, Saxony-Anhalt, 39120
Johannes Gutenberg-Universität Mainz - Urologie
Mainz, Rhineland-Palatinate, 55131
Klinikum Mannheim GmbH
Mannheim, Baden-Wurttemberg, 68135
Universitätsklinikum Münster
Münster, North Rhine-Westphalia, 48149
Studienpraxis Urologie
Nürtingen, Baden-Wurttemberg, 72622
Klinikum Stuttgart / Klinik für Urologie und Transplantationschirurgie
Stuttgart, Baden-Wurttemberg, 70174
Urologische Gemeinschaftspraxis Wesel
Wesel, North Rhine-Westphalia, 46483
Universitätsklinikum Würzburg
Würzburg, Bavaria, 97080
Italy20 sites
Centro di Riferimento Oncologico di Aviano - Oncologia Radioterapica
Aviano, Friuli Venezia Giulia, 33081
Azienda Socio Sanitaria Territoriale Papa Giovanni XXIII - Oncologia
Bergamo, Lombardy, 24127
Cliniche Gavazzeni S.p.A - Dipartimento Area Chirurgia Unità Operativa di Urologia
Bergamo, 24125
Azienda Unita Sanitaria Locale Di Bologna_Ospedale Bellaria - Oncologia Medica
Bologna, Emilia-Romagma, 40139
Azienda Ospedaliero-Universitaria Di Bologna IRCCS_Policlinico Sant'Orsola - Urologia
Bologna, Emilia-Romagna, 40138
Istituto Oncologico Veneto_Castelfranco Veneto - UOC Urologia Oncologica
Castelfranco Veneto, Veneto, 31033
Azienda Ospedaliera Santa Croce e Carle - Oncologia
Cuneo, 12100
Azienda Ospedaliero Universitaria Ospedali Riuniti_Foggia - Oncologia Medica e Terapia Biomolecolare Universitaria
Foggia, Apulia, 71122
IRCCS Ospedale Policlinico San Martino - Oncologia Medica 1
Genoa, Liguria, 16132
Ospedale San Raffaele s.r.l - Urologia
Milan, Lombardy, 20132
Azienda Ospedaliero Universitaria di Modena_Policlinico - Oncologia
Modena, Emilia-Romagna, 41124
IRCCS Istituto Nazionale Tumori Fondazione Pascale - S. C. Oncologia Clinica Sperimentale Uro-Ginecologica
Naples, Campania, 80131
A.O. di Perugia_Hospital Santa Maria della Misericordia - S.C. Radioterapia Oncologica
Perugia, Umbria, 06129
Azienda USL IRCCS di Reggio Emilia_Arcispedale Santa Maria Nuova - S.C. Oncologia Provinciale
Reggio Emilia, Emilia-Romagna, 42123
Azienda Ospedaliera Policlinico Universitario Tor Vergata - UOC Radioterapia
Roma, Veneto, 00133
I.F.O. Istituti Fisioterapici Ospitalieri_Ospedale Regina Elena - Urologia
Rome, Lazio, 00128
Fondazione Policlinico Universitario Agostino Gemelli IRCCS - Degenza di Radioterapia Oncologica
Rome, Lazio, 00168
Humanitas Mirasole S.p.A. - Oncologia Medica ed Ematologia
Rozzano, Lombardy, 20089
Azienda Provinciale Per I Servizi Sanitari_Ospedale Santa Chiara - UO Oncologia Medica
Trento, Trentino-Alto Adige, 38122
A.O.U. Città della Salute e della Scienza di Torino_Molinette - Urologia U
Turin, Piedmont, 10126
Brazil17 sites
Liga Paranaense de Combate ao Cancer-Hosp Erasto Gaertner
Curitiba, Paraná, 81520-060
Oncocentro - Fortaleza
Fortaleza, Ceará, 60135-237
Liga Norte Riograndense Contra o Cancer | Centro de Pesquisa Clínica
Natal, Rio Grande do Norte, 59040-000
Hospital Mae de Deus
Porto Alegre, Rio Grande do Sul, 90850-170
Universidade Estadual do Rio de Janeiro
Rio de Janeiro, 20551-030
Instituto D'Or Pesquisa e Ensino (IDOR) (D'Or Institute for Research & Education) - Rio de Janeiro
Rio de Janeiro, 22281-100
Assistência Multidisciplinar em Oncologia (AMO)
Salvador, Estado de Bahia, 41950-640
Faculdade de Medicina do ABC
Santo André, São Paulo, 09060-650
Instituto do Cancer do Estado de Sao Paulo
São Paulo, São Paulo, 01246-000
Hospital Sirio Libanes
São Paulo, São Paulo, 01308-050
Real e Benemérita Associação Portuguesa de Beneficência
São Paulo, São Paulo, 01323-001
Hospital Alemao Oswaldo Cruz
São Paulo, São Paulo, 01327-001
Hospital do Cancer de Sao Paulo - A. C. Camargo
São Paulo, São Paulo, 01525-001
Inst. de Assistência Médica ao Sérvidor Público Estadual
São Paulo, São Paulo, 04039-004
Hospital das Clínicas da Universidade de Campinas - UNICAMP
São Paulo, São Paulo, 13083-888
Hospital São Rafael
São Paulo, São Paulo, 41253-190
Hospital Moinhos de Vento-Centro Clínico
Uberlândia, Minas Gerais, 90035-001
Canada16 sites
BC Cancer | Abbotsford
Abbotsford British Columbia, British Columbia, V2S 0C2
Prostate Cancer Centre
Calgary, Alberta, T2V 1P9
Kaye Edmonton Clinic | Dianne and Irving Kipnes Urology Centre
Edmonton, Alberta, T6G 1Z1
Hopital de Gatineau | Oncology
Gatineau, Quebec, J8P 7H2
Urology South Shore Research - Research Department
Greenfield Park, Quebec, J4V 2H3
Queen Elizabeth II Health Sciences Centre | Oncology
Halifax, Nova Scotia, B3H 2Y9
St Joseph's Healthcare Hamilton | Cardiology
Hamilton, Ontario, L8N 4A6
Victoria Hospital | Oncology
London, Ontario, N6A 4L6
Hôpital Maisonneuve-Rosemont | Oncology
Montreal, Quebec, H1T 2M4
Jewish General Hospital | Radiation Oncology
Montreal, Quebec, H3T 1E2
L'Hôtel-Dieu de Lévis | Urology
Québec, G6V 3Z1
Centre hospitalier universitaire de Sherbrooke (CHUS) | Oncology
Sherbrooke, Quebec, J1H 5N4
Princess Margaret Cancer Centre - Oncology Department
Toronto, Ontario, M5G 2M9
Hôpital du Centre-de-la-Mauricie | Radio-oncologie
Trois-Rivières, Quebec, G8Z 3R9
Vancouver Prostate Centre
Vancouver, British Columbia, V5Z 1M9
BC Cancer | Victoria
Victoria, British Columbia, V8R 6V5
Spain15 sites
Hospital del Mar | Urologia
Barcelona, 08003
Fundacio Puigvert | Urologia
Barcelona, 08025
Hospital Universitari Vall D Hebron | Oncologia Radioterapica
Barcelona, 08035
Hospital Clinic De Barcelona | Urologia
Barcelona, 8036
Hospital Universitario Puerta Del Mar | Urologia
Cadiz, 11009
MD Anderson Cancer Center | Oncologia Radioterapica
Madrid, 28033
Hospital Universitario Ramon Y Cajal | Oncologia Radioterapica
Madrid, 28034
Hospital Universitario Hm Sanchinarro | Oncologia
Madrid, 28050
Hospital Universitario Virgen De La Victoria | Urologia
Málaga, 20910
Hospital General Universitario Morales Meseguer | Urologia
Murcia, 30008
Hospital Universitario Marques De Valdecilla - Urologia
Santander, Cantabria, 39008
Complexo Hospitalario Universitario De Santiago | Oncologia Radioterapica
Santiago de Compostela, A Coruña, 15706
Hospital Universitario Virgen Del Rocio S.L. | Urologia
Seville, 41013
Fundacion Instituto Valenciano De Oncologia | Urologia
Valencia, 46009
Hospital Universitario Y Politecnico La Fe | Oncologia Radioterapica
Valencia, 46009
Australia11 sites
Royal Adelaide Hospital
Adelaide, South Australia, 5000
Eastern Clinical Research Unit - Box Hill
Box Hill, Victoria, 3128
Chris O'Brien Lifehouse
Camperdown, New South Wales, 2050
Epworth HealthCare
East Melbourne, Victoria, 3002
Northern Hospital
Epping, New South Wales, 3076
Barwon Health
Geelong, Victoria, 3220
Austin Health
Heidelberg, Victoria, 3084
University of New South Wales (UNSW) - Liverpool Hospital - Liverpool Cancer Therapy Centre
Liverpool, New South Wales, 2170
Western Urology
Maribyrnong, Victoria, 3032
Sir Charles Gairdner Hospital
Nedlands, Western Australia, 6009
Sydney Adventist Hospital
Wahroonga, New South Wales, 2076
China10 sites
Peking University First Hospital - Oncology Department
Beijing, Beijing Municipality, 100034
Peking Union Medical College Hospital (PUMCH) - East Location
Beijing, Beijing Municipality, 100730
Hunan Cancer Hospital - Oncology Department
Changsha, Hunan, 410013
West China Hospital,Sichuan University
Chengdu, Sichuan, 610041
The 1st Affiliated Hospital of Zhejiang University
Hangzhou, Zhejiang, 310003
Nanjing First Hospital
Nanjing, Jiangsu, 210006
Jiangsu Provincial People's Hospital - The First Affiliated Hospital of Nanjing Medical University
Nanjing, Jiangsu, 210029
Fudan University Shanghai Cancer Center - Oncology Department
Shanghai, Shanghai Municipality, 200000
Tianjin Cancer Hospital, Airport Hospital
Tianjin, Tianjin Municipality, 300308
Zhongnan hospital ,Wuhan University
Wuhan, Hubei, 430071
Austria6 sites
Medizinische Universität Innsbruck, Tirol Kliniken
Innsbruck, Tyrol, 6020
Ordensklinikum Linz GmbH Elisabethinen
Linz, Upper Austria, 4020
Medizinische Universitaet Graz - Klinische Abteilung für Onkologie - Innere Medizin
Salzburg, Styria, 5020
Medizinische Universität Wien- Universitätsklinik für Urologie
Vienna, State of Vienna, 1090
Uniklinikum Salzburg - Landeskrankenhaus
Vienna, State of Vienna, 1090
Krankenhaus der Barmherzigen Brüder Wien
Vienna, Upper Austria, 4020
Belgium6 sites
Maria Middelares General Hospital | Medical Oncology Department
Ghent, East Flanders, 9000
UZ Gent - department Urology
Ghent, East Flanders, 9000
Jessa Hospital | Campus Virga Jesse - Data Management Oncology and Hematology Department
Hasselt, Limburg, 3500
AZ Groeninge Campus Kennedylaan - Urology
Kortrijk, West Flanders, 8500
Hopital de La Louvière - Site Jolimont - Oncology department
La Louvière, Hainaut, 7100
Universitair Ziekenhuis Leuven | Gasthuisberg Campus - Urology Department
Leuven, Flemish Brabant, 3000
Czechia6 sites
Fakultni nemocnice u Sv. Anny, Onkologicko-chirurgicke oddeleni
Brno, South Moravian, 602 00
Masarykova Univerzita - Masarykuv Onkologicky Ustav (MOU) - Klinika Komplexni Onkologicke Pece (KKOP)
Brno, South Moravian, 602 00
Fakultní nemocnice Olomouc - Onkologická klinika
Olomouc, Olomouc Region, 779 00
Všeobecná fakultní nemocnice v Praze - Urologická klinika
Prague, Prague, 128 08
Thomayerova Nemocnice (TN) (Thomayers Hospital) - Onkologicka Klinika 1. LF UK A TN
Prague, Prague, 140 59
Fakultní nemocnice Motol a Homolka, Pracovište MOTOL - Onkologická klinika 2. LF UK a FNMH
Prague, Prague, 150 06
Hungary6 sites
Semmelweis Egyetem, Altalanos Orvostudomanyi Kar, Urologiai Klinika
Budapest, 1082
Orszagos Onkologiai Intezet
Budapest, 1122
Budapesti Uzsoki Utcai Kórház
Budapest, 1145
Budapesti Jahn Ferenc Del-pesti Korhaz es Rendelointezet
Budapest, 1204
Gyor-Moson-Sopron Vármegyei Petz Aladár Oktató Kórház
Győr, Győr-Moson-Sopron, 9024
Szabolcs-Szatmar-Bereg Varmegyei Oktatokorhaz Nyiregyhazi Josa Andras Tagkorhaz
Nyíregyháza, Szabolcs-Szatmár-Bereg, 4400
Japan6 sites
Institute of Science Tokyo Hospital
Bunkyo-ku, Tokyo, 113-8519
Kanazawa University Hospital
Kanazawa, Ishikawa-ken, 920-8641
Kyoto University Hospital
Kyoto, 606-8507
Hokkaido University Hospital
Sapporo, Hokkaido, 060-8648
The University of Osaka Hospital
Suita, Osaka, 565-0871
Yokohama City University Hospital
Yokohama, Kanagawa, 236-0004
Netherlands6 sites
Albert Schweitzer Hospital | Internal Medicine - Oncology Department
Dordrecht, South Holland, 3300 AK
University Medical Center Groningen | Urology Department
Groningen, 9713 GZ
Tergooi MC | Hilversum - Wetenschapsbureau
Hilversum, North Holland, 1213 VG
St. Antonius Ziekenhuis | Utrecht - R&D Interne Geneeskunde
Nieuwegein, Utrecht, 3435 CM
St. Franciscus Gasthuis
Rotterdam, South Holland, 3045 PM
HagaZiekenhuis van Den Haag
The Hague, South Holland, 2545 AA
Poland6 sites
Centrum Onkologii im. Prof. Franciszka Lukaszczyka
Bydgoszcz, 85-796
Swietokrzyskie Centrum Onkologii
Kielce, 25-734
Comarch Healthcare SA Centrum Medyczne iMed24
Krakow, 31-864
Medrise Sp. z o.o. Centrum Badan Klinicznych
Lublin, 20-582
Szpital Grochowski im. dr.med. Rafala Masztaka
Warsaw, 04-073
EMC Instytut Medyczny SA - Penta Hospitals Przychodnie, Wroclaw Wejherowska
Wroclaw, 54-239
Portugal5 sites
Unidade Local de Saúde de Coimbra, E.P.E. - Hospitais da Universidade de Coimbra - Serviço de Urologia
Coimbra, 3004-561
Instituto Portugues de Oncologia de Lisboa | Unidade de Investigacao Clinica - Departamento de Urologia
Lisbon, 1099-023
Companhia Uniao Fabril | Hospital CUF Tejo - Academic Center - Research Center
Lisbon, 1350-352
Luz Saude | Hospital da Luz Lisboa - Centro de Investigacao Clinica
Lisbon, 1500-650
Hospital Santa Maria | Centro de Investigacao Clinica
Lisbon, 1649-035
United Kingdom5 sites
Royal Surrey NHS Foundation Trust | Royal Surrey County Hospital - Cancer Centre
Guildford, Surrey, GU2 7XX
University College London Hospitals NHS Foundation Trust | University College Hospital (UCLH) - Cancer Clinical Trials Unit
London, Greater London, NW1 2PG
The Royal Marsden NHS Foundation Trust | The Royal Marsden Hospital - The Royal Marsden Clinical Trials Unit (CTU)
London, Greater London, SW3 6JJ
Imperial College Healthcare NHS Trust | Charing Cross Hospital - Cancer Services
London, Greater London, W68RF
East and North Hertfordshire NHS Trust - Mount Vernon Hospital - Mount Vernon Cancer Centre (MVCC)
Northwood, Middlesex, HA6 2RN
Denmark4 sites
Aalborg University Hospital
Aalborg, North Denmark, 9000
Aarhus Universitetshospital
Aarhus N, Central Jutland, 8200
Rigshospitalet Copenhagen University Hospital | Oncology Department
København Ø, 2100
Sjællands University hospital Næstved
Næstved, Region Sjælland, 4700
Finland4 sites
HUS-Yhtymä, Helsingin yliopistollinen sairaala (HUS) - Urologia
Helsinki, Uusimaa, 00029
Oulu University Hospital, Oulun yliopistollinen sairaala (OYS)
Oulu, North Ostrobothnia, 90220
Tampere University Hospital, Tampereen yliopistollinen sairaala (TAYS)
Tampere, Pirkanmaa, 33520
Turku University Hospital, Turun yliopistollinen sairaala (TYKS) - Urologia
Turku, Southwest Finland, 20540
New Zealand4 sites
Auckland City Hospital
Auckland, 1023
Canterbury Urology Research Trust
Christchurch, Canterbury, 8013
MidCentral District Health Board (MDHB) - Palmerston North Hospital (PNH)
Palmerston North, Manawatu-Wanganui, 4442
Tauranga Urology Research Limited
Tauranga, Bay of Plenty, 3112
Taiwan4 sites
Tungs' Taichung MetroHarbor Hospital
Taichung, 435403
National Taiwan University Hospital
Taipei, 100
Koo Foundation Sun Yet-Sen Cancer Centre
Taipei, 112019
Chang Gung Memorial Hospital at Linkou
Taoyuan, 33305
Sweden2 sites
Sahlgrenska Universitetssjukhuset - Sahlgrenska Sjukhuset - Urologi
Gothenburg, Västra Götaland County, 413 45
Skånes Universitetssjukhus - Malmö - Urologi
Malmö, Skåne County, 214 28
About this study
Official title: A Randomized, Double-blind, Placebo-controlled Phase 3 Study of Darolutamide Plus Androgen Deprivation Therapy (ADT) Compared With Placebo Plus ADT in Patients With High-risk Biochemical Recurrence (BCR) of Prostate Cancer
Researchers are looking for a better way to treat men at high-risk of biochemical recurrence (BCR) of prostate cancer.
BCR means that in men who had prostate cancer and were treated by either surgery and/ or radiation therapy, the blood level of a specific protein called PSA rises. PSA is a marker of prostate cancer cells activity. The PSA increase means that the cancer has come back even though conventional imaging such as computed tomography (CT) scans, magnetic resonance imaging (MRI) and bone scans does not show any lesion of prostate cancer. Recently a more sensitive imaging method called prostate-specific membrane antigen [PSMA] positron emission tomography [PET]) /computed tomography [CT]) scan may identify prostate cancer lesions not detectable by conventional imaging. Men with BCR have a higher risk of their cancer spreading to other parts of the body, particularly when PSA levels raised to a certain limit within a short period of time after local therapies. Once the cancer spreads to other parts of the body, it can become even harder to treat.
Read more
In men with prostate cancer, male sex hormones (also called androgens) like testosterone can help the cancer grow and spread. To reduce androgens levels in these patients, there are treatments that block androgens production in the body called androgen deprivation therapy (ADT). ADT is often used to stop prostate cancer. Another way to stop prostate cancer growth and spread is to block the action of androgen receptors on prostate cancer cells called androgen receptor inhibitors (ARIs). The new generation ARIs including darolutamide can block the action of androgens receptors and are available for the treatment of prostate cancer in addition to ADT. It is already known that men with prostate cancer benefit from these treatments.
The main objective of this study is to learn if the combination of darolutamide and ADT prolongs the time that the participants live without their cancer getting worse, or to death due to any cause, compared to placebo (which is a treatment that looks like a medicine but does not have any medicine in it) and ADT given for a pre-specified duration of 24 months.
To do this, the study team will measure the time from the date of treatment allocation to the finding of new cancer spread in the participants by using PSMA PET/CT, or death due to any cause. The PSMA PET/CT scans is performed using a radioactive substance called a "tracer" that specifically binds to the prostate-specific membrane antigen (PSMA) which is a protein often found in large amounts on prostate cancer cells.
To avoid bias in treatment, the study participants will be randomly (by chance) allocated to one of two treatment groups. Based on the allocated treatment group, the participants will either take darolutamide plus ADT or placebo plus ADT twice daily as tablets by mouth. The study will consist of a test (screening) phase, a treatment phase and a follow-up phase. The treatment duration is pre-specified to be 24 months unless the cancer gets worse, the participants have medical problems, or they leave the study for any reason. In addition, image guided radiotherapy (IGRT) or surgery is allowed and your doctor will explain the benefits and risks of this type of therapy.
During the study, the study team will:
- take blood and urine samples.
- measure PSA and testosterone levels in the blood samples
- do physical examinations
- check the participants' overall health
- examine heart health using electrocardiogram (ECG)
- check vital signs
- check cancer status using PSMA PET/CT scans, CT, MRI and bone scans
- take tumor samples (if required)
- ask the participants if they have medical problems
About 30 days after the participants have taken their last treatment, the study doctors and their team will check the participants' health and if their cancer worsened. The study team will continue to check this and regularly ask the participants questions about medical problems and subsequent therapies until they leave the study for any reason or until they leave the study for any reason or until the end of the study, whatever comes first.
- Conditions
- Biochemically Recurrent Prostate Cancer
- Being tested
- Darolutamide (BAY1841788, Nubeqa), Placebo matching darolutamide, ADT
- Keywords
- darolutamide, high risk BCR, PSMA PET imaging
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Darolutamide (BAY1841788, Nubeqa)Drug
Coated tablet, 300 mg / tablet, oral.
Placebo matching darolutamideOther
Coated tablet, oral
ADTOther
Luteinizing hormone-releasing hormone [LHRH] agonist/antagonists
| Study group | Role | What they receive |
|---|---|---|
| Darolutamide+ADT | Experimental | Participants will receive darolutamide plus ADT twice daily with food for a pre-specified duration of 24 months. Receives: Drug: Darolutamide (BAY1841788, Nubeqa); Other: ADT |
| Placebo+ADT | Placebo comparator | Participants will receive Placebo plus ADT twice daily with food for a pre-specified duration of 24 months. Receives: Other: Placebo matching darolutamide; Other: ADT |
What is being measured
The primary outcome is the main question the study is designed to answer.
Radiological progression-free survival (rPFS) by Prostate-specific membrane antigen (PSMA) positron emission tomography/computed tomography (PET/CT) assessed by Blinded independent central review (BICR)
Measured: After randomization to after last treatment, approximately 24 months
Secondary outcomes (11)
Metastasis-free survival (MFS) by Conventional imaging (CI) assessed by BICR
Measured: After randomization to after last treatment, approximately 46 months
Time to Castration-resistant prostate cancer (CRPC)
Measured: After randomization to after last treatment, approximately 46 months
Time to initiation of first subsequent systemic antineoplastic therapy
Measured: After randomization to after last treatment, approximately 46 months
Time to loco-regional progression by PSMA PET/CT
Measured: After randomization to after last treatment, approximately 46 months
Time to first Symptomatic skeletal event (SSE)
Measured: After randomization to after last treatment, approximately 46 months
Overall survival (OS)
Measured: After randomization to after last treatment, approximately 46 months
Prostate-specific antigen (PSA) undetectable rates (<0.2 ng/mL)
Measured: After randomization to after last treatment, approximately 46 months
Time to deterioration in the Functional Assessment of Cancer Therapy-Prostate (FACT-P) total score
FACT-P is a multidimension, selfreport QoL instrument specifically designed for patients with prostate cancer. It consists of 39 questions items, made up by 2 parts: the 27 questions for functional assessment of cancer therapy general (FACT-G) and 12 prostate cancer subscale questions. It assesses 4 main domains which are: physical (n=7), social/family (n=7), emotional (n=6) and functional wellbeing (n=7).
Measured: After randomization to after last treatment, approximately 24 months
Time to symptomatic progression
Measured: After randomization to after last treatment, approximately 46 months
Number of participants with Treatment-emergent adverse events (TEAEs) and Treatment-emergent serious adverse events (TESAEs) categorized by severity
Measured: After the first treatment until 30 days (+7 days) after the last treatment, up to 25 months
Number of participants who discontinue study treatment due to a TEAE
Measured: After the first treatment until 30 days (+7 days) after the last treatment, up to 25 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted3 Apr 2023
- Study start3 Apr 2023
- Primary completion30 Jul 2027 (estimated)
- Study completion29 Mar 2030 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Biochemically Recurrent Prostate CancerStudies of the same condition, open and under way.
- More trials run by BayerThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Quadruple blind
- Who is masked
- Participant, Care provider, Investigator, Outcomes assessor
- Enrolment
- 985 participants (actual)
Sponsor and investigators
- Lead sponsor
- Bayer
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05794906
- Sponsor's protocol ID
- 21492
- Other IDs
- 2022-501343-33-00
- Acronym
- ARASTEP
- Status last verified
- Jul 2026
- First submitted
- 21 Mar 2023
- Last updated
- 7 Jul 2026
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- No: Availability of this study's data will later be determined according to Bayer's commitment to the EFPIA/PhRMA "Principles for responsible clinical trial data sharing". This pertains to scope, timepoint and process of data access. As such, Bayer commits to sharing upon request from qualified researchers patient-level clinical trial data, study-level clinical trial data, and protocols from clinical trials in patients for medicines and indications approved in the US and EU as necessary for conducting legitimate research. This applies to data on new medicines and indications that have been approved by the EU and US regulatory agencies on or after January 01, 2014. Interested researchers can use www.vivli.org to request access to anonymized patient-level data and supporting documents from clinical studies to conduct research. Information on the Bayer criteria for listing studies and other relevant information is provided in the member section of the portal.
Publications
Morgans AK, Chehrazi-Raffle A, Niazi T, Shore ND, Ross AE, Roder A, Gomes AJ, Supiot S, Barthelemy P, Hatano K, Ruiz CBC, Yoshida S, Herrera-Imbroda B, Gratton M, Gschwend JE, Hope TA, Joensuu H, Kuss I, Le Berre MA, Dimova-Dobreva M, Fizazi K. Darolutamide plus androgen-deprivation therapy in high-risk biochemical recurrence of prostate cancer (ARASTEP). Future Oncol. 2025 Nov;21(27):3491-3498. doi: 10.1080/14796694.2025.2577633. Epub 2025 Nov 11.
PubMed 41216639
Study at a glance
From the registry record, last updated by the sponsor on 7 Jul 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Randomized, Double-blind, Placebo-controlled Phase 3 Study of Darolutamide Plus Androgen Deprivation Therapy (ADT) Compared With Placebo Plus ADT in Patients With High-risk Biochemical Recurrence (BCR) of Prostate Cancer
- ClinicalTrials.gov ID
- NCT05794906
- Acronym / sponsor ID
- ARASTEP / 21492
- Conditions
- Biochemically Recurrent Prostate Cancer
- Keywords
- darolutamide, high risk BCR, PSMA PET imaging
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Active, not recruiting
- Enrolment
- 985 participants (actual)
- Lead sponsor
- BayerIndustry (pharma, biotech, devices)
- Study start
- 3 Apr 2023 (actual)
- Primary completion
- 30 Jul 2027 (estimated)
- Study completion
- 29 Mar 2030 (estimated)
- First posted
- 3 Apr 2023 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Researchers are looking for a better way to treat men at high-risk of biochemical recurrence (BCR) of prostate cancer.
BCR means that in men who had prostate cancer and were treated by either surgery and/ or radiation therapy, the blood level of a specific protein called PSA rises. PSA is a marker of prostate cancer cells activity. The PSA increase means that the cancer has come back even though conventional imaging such as computed tomography (CT) scans, magnetic resonance imaging (MRI) and bone scans does not show any lesion of prostate cancer. Recently a more sensitive imaging method called prostate-specific membrane antigen [PSMA] positron emission tomography [PET]) /computed tomography [CT]) scan may identify prostate cancer lesions not detectable by conventional imaging. Men with BCR have a higher risk of their cancer spreading to other parts of the body, particularly when PSA levels raised to a certain limit within a short period of time after local therapies. Once the cancer spreads to other parts of the body, it can become even harder to treat.
In men with prostate cancer, male sex hormones (also called androgens) like testosterone can help the cancer grow and spread. To reduce androgens levels in these patients, there are treatments that block androgens production in the body called androgen deprivation therapy (ADT). ADT is often used to stop prostate cancer. Another way to stop prostate cancer growth and spread is to block the action of androgen receptors on prostate cancer cells called androgen receptor inhibitors (ARIs). The new generation ARIs including darolutamide can block the action of androgens receptors and are available for the treatment of prostate cancer in addition to ADT. It is already known that men with prostate cancer benefit from these treatments.
The main objective of this study is to learn if the combination of darolutamide and ADT prolongs the time that the participants live without their cancer getting worse, or to death due to any cause, compared to placebo (which is a treatment that looks like a medicine but does not have any medicine in it) and ADT given for a pre-specified duration of 24 months.
To do this, the study team will measure the time from the date of treatment allocation to the finding of new cancer spread in the participants by using PSMA PET/CT, or death due to any cause. The PSMA PET/CT scans is performed using a radioactive substance called a "tracer" that specifically binds to the prostate-specific membrane antigen (PSMA) which is a protein often found in large amounts on prostate cancer cells.
To avoid bias in treatment, the study participants will be randomly (by chance) allocated to one of two treatment groups. Based on the allocated treatment group, the participants will either take darolutamide plus ADT or placebo plus ADT twice daily as tablets by mouth. The study will consist of a test (screening) phase, a treatment phase and a follow-up phase. The treatment duration is pre-specified to be 24 months unless the cancer gets worse, the participants have medical problems, or they leave the study for any reason. In addition, image guided radiotherapy (IGRT) or surgery is allowed and your doctor will explain the benefits and risks of this type of therapy.
During the study, the study team will:
- take blood and urine samples.
- measure PSA and testosterone levels in the blood samples
- do physical examinations
- check the participants' overall health
- examine heart health using electrocardiogram (ECG)
- check vital signs
- check cancer status using PSMA PET/CT scans, CT, MRI and bone scans
- take tumor samples (if required)
- ask the participants if they have medical problems
About 30 days after the participants have taken their last treatment, the study doctors and their team will check the participants' health and if their cancer worsened. The study team will continue to check this and regularly ask the participants questions about medical problems and subsequent therapies until they leave the study for any reason or until they leave the study for any reason or until the end of the study, whatever comes first.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Quadruple blind (participant, care provider, investigator, outcomes assessor)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Darolutamide+ADT | Experimental | Drug: Darolutamide (BAY1841788, Nubeqa), Other: ADTParticipants will receive darolutamide plus ADT twice daily with food for a pre-specified duration of 24 months. |
| Placebo+ADT | Placebo comparator | Other: Placebo matching darolutamide, Other: ADTParticipants will receive Placebo plus ADT twice daily with food for a pre-specified duration of 24 months. |
Who may qualify
- Ages
- 18 years and older
- Sex
- Male only
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (11 listed)
- Capable of giving signed informed consent as described which includes compliance with the requirements, restrictions listed in the informed consent form (ICF), and in this protocol.
- Male ≥18 years of age at the time of signing the informed consent.
- Histologically or cytologically confirmed adenocarcinoma of prostate.
- Prostate cancer initially treated by: radical prostatectomy (RP) followed by adjuvant radiotherapy (ART), or salvage radiotherapy (SRT), or RP in participants who are unfit for (or refused) ART or SRT, or primary radiotherapy (RT).
- High-risk biochemical recurrence (BCR), defined as Prostate-specific antigen doubling time (PSADT) <12 months calculated using the formula provided by the Sponsor, and PSA ≥0.2 ng/mL after ART or SRT post RP or after RP in participants who are unfit for ART or SRT (local or central values accepted), or PSA ≥2 ng/mL above the nadir after primary RT only (local or central values accepted).
Key exclusion criteria (11 listed)
- Pathological finding consistent with small cell, ductal or ≥50 % component of neuroendocrine carcinoma of the prostate.
- History of bilateral orchiectomy.
- Metastases or recurrent /new malignant lesions in prostate gland/bed seminal vesicles, lymph nodes below the CIA bifurcation on conventional imaging (CI) as assessed by BICR during screening.
- Brain metastasis on PSMA PET /CT by BICR at screening.
- High-risk BCR after primary radiotherapy with new loco-regional lesions on screening PSMA PET/CT who are eligible for curative salvage prostatectomy.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Darolutamide (BAY1841788, Nubeqa)Coated tablet, 300 mg / tablet, oral. | Drug | Darolutamide+ADT |
| Placebo matching darolutamideCoated tablet, oral | Other | Placebo+ADT |
| ADTLuteinizing hormone-releasing hormone [LHRH] agonist/antagonists | Other | Darolutamide+ADT, Placebo+ADT |
Primary outcome
Radiological progression-free survival (rPFS) by Prostate-specific membrane antigen (PSMA) positron emission tomography/computed tomography (PET/CT) assessed by Blinded independent central review (BICR)
Time frame: After randomization to after last treatment, approximately 24 months
11 secondary outcomes
Metastasis-free survival (MFS) by Conventional imaging (CI) assessed by BICR
Time frame: After randomization to after last treatment, approximately 46 months
Time to Castration-resistant prostate cancer (CRPC)
Time frame: After randomization to after last treatment, approximately 46 months
Time to initiation of first subsequent systemic antineoplastic therapy
Time frame: After randomization to after last treatment, approximately 46 months
Time to loco-regional progression by PSMA PET/CT
Time frame: After randomization to after last treatment, approximately 46 months
Time to first Symptomatic skeletal event (SSE)
Time frame: After randomization to after last treatment, approximately 46 months
Overall survival (OS)
Time frame: After randomization to after last treatment, approximately 46 months
Prostate-specific antigen (PSA) undetectable rates (<0.2 ng/mL)
Time frame: After randomization to after last treatment, approximately 46 months
Time to deterioration in the Functional Assessment of Cancer Therapy-Prostate (FACT-P) total score
Time frame: After randomization to after last treatment, approximately 24 months
Time to symptomatic progression
Time frame: After randomization to after last treatment, approximately 46 months
Number of participants with Treatment-emergent adverse events (TEAEs) and Treatment-emergent serious adverse events (TESAEs) categorized by severity
Time frame: After the first treatment until 30 days (+7 days) after the last treatment, up to 25 months
Number of participants who discontinue study treatment due to a TEAE
Time frame: After the first treatment until 30 days (+7 days) after the last treatment, up to 25 months
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 7 Jul 2026.
- Derived from this study: PubMed 41216639Morgans AK, Chehrazi-Raffle A, Niazi T, Shore ND, Ross AE, Roder A, Gomes AJ, Supiot S, Barthelemy P, Hatano K, Ruiz CBC, Yoshida S, Herrera-Imbroda B, Gratton M, Gschwend JE, Hope TA, Joensuu H, Kuss I, Le Berre MA, Dimova-Dobreva M, Fizazi K. Darolutamide plus androgen-deprivation therapy in high-risk biochemical recurrence of prostate cancer (ARASTEP). Future Oncol. 2025 Nov;21(27):3491-3498. doi: 10.1080/14796694.2025.2577633. Epub 2025 Nov 11.
- Individual participant dataSharing planned: No. Availability of this study's data will later be determined according to Bayer's commitment to the EFPIA/PhRMA "Principles for responsible clinical trial data sharing". This pertains to scope, timepoint and process of data access. As such, Bayer commits to sharing upon request from qualified researchers patient-level clinical trial data, study-level clinical trial data, and protocols from clinical trials in patients for medicines and indications approved in the US and EU as necessary for conducting legitimate research. This applies to data on new medicines and indications that have been approved by the EU and US regulatory agencies on or after January 01, 2014. Interested researchers can use www.vivli.org to request access to anonymized patient-level data and supporting documents from clinical studies to conduct research. Information on the Bayer criteria for listing studies and other relevant information is provided in the member section of the portal.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
226 sites in 23 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing Darolutamide (BAY1841788, Nubeqa) and ADT in people with Biochemically Recurrent Prostate Cancer, run by Bayer at 226 sites in 23 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 11 inclusion and 11 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: under way, not looking for participants, as of the sponsor's last update on 7 Jul 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 226 sites in United States, France, Germany, Italy, Brazil and 18 more countries. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Radiological progression-free survival (rPFS) by Prostate-specific membrane antigen (PSMA) positron emission tomography/computed tomography (PET/CT) assessed by Blinded independent central review (BICR) (time frame: After randomization to after last treatment, approximately 24 months). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT05794906, which also lists 1 linked publication.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 7 Jul 2026.