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NCT05974774RecruitingPhase 3

EORTC-2238-GUCG: Improving impact of anti-androgen treatments on patient's daily life and their cancer

EORTC-2238-GUCG: Intermittent Androgen deprivation Therapy in the era of AR pathway inhibitors; a phase 3 pragmatic randomized trial (DE-ESCALATE)

Source: EU CTIS (euclinicaltrials.eu) · Last updated 8 Jun 2026

Brief summary (registry, in English)

The primary objective of this phase III trial is to establish the risk/benefit ratio of intermittent maximum androgen blockade (iMAB) vs. continuous MAB (cMAB) in mHSPC patients with a deep PSA response (PSA≤ 0.2 ng/mL) after 6 to 12 months with ADT and one of the registered ARpI. The primary objective will be addressed through the following coprimary objectives: 1) To demonstrate among patients from the iMAB arm that the proportion of patients who do not restart their hormonal therapy within 1 year of interrupting their MAB therapy is ≥ 70% (feasibility endpoint) 2) To show that the overall survival (OS) from randomization using an iMAB regimen is non-inferior to continuous treatment (pertinence endpoint)

Status (registry)
Recruiting
Phase (registry)
Phase 3
Study type
Interventional
Enrollment
1404 (estimated)
First submitted
21 Nov 2024
Start date
23 May 2025
Lead sponsor
European Organisation For Research And Treatment Of Cancer
NCT number
NCT05974774
EU CT number
2023-506817-23-01

What you commit to

  • Study type: Interventional · Phase 3
  • Planned participants: 1404
  • 93 sites in 10 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of EU CTIS (euclinicaltrials.eu). It describes the study, not your situation.

Who cannot take part

Copied verbatim from EU CTIS (euclinicaltrials.eu) and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Patients with M1a on modern imaging technique (PET-Choline or -PSMA or Whole Body MRI) for whom radiation therapy and 2-3 years of hormone therapy is planned
  • Patients with a prior or concurrent malignancy whose natural history or treatment has the potential to interfere with the safety or efficacy assessment for this trial
  • Patients who have received a systemic anti-prostate cancer treatment not approved by EMA together with MAB or a radical prostatectomy for M1 disease

Other illness

  • Any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule; those conditions should be assessed and discussed with the patient before the enrolment in the trial

Other

  • Patients who underwent or will undergo a bilateral orchiectomy

Who the study is looking for

  • Patient treated with ADT (luteinizing hormone–releasing hormone (LHRH) agonist or antagonist) and an ARpI for mHNPC for 6-12 months and presenting with a PSA ≤ 0.2 ng/mL
  • Patients with synchronous or metachronous metastases, high volume or low volume/risk who fulfil the criteria can be included.
  • Before patient's enrolment, written informed consent must be given according to ICH/GCP, and national/local regulations

Age in the registry: 18 years to - · Sex: Male · Does not accept healthy volunteers

Full criteria on EU CTIS (euclinicaltrials.eu)

Sites (93)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Institut Jules Bordet
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AnderlechtBelgiumRecruiting
Grand Hopital de Charleroi
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CharleroiBelgiumRecruiting
Universitair Ziekenhuis Gent
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GentBelgiumRecruiting
Chu Helora
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La LouvièreBelgiumRecruiting
UZ Leuven
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LeuvenBelgiumRecruiting
HeiligHartziekenhuis Lier
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LierBelgiumRecruiting
Algemeen Ziekenhuis Delta
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MenenBelgiumRecruiting
Algemeen Ziekenhuis Delta
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RoeselareBelgiumRecruiting
Cliniques Universitaires Saint-Luc
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Sint-Lambrechts-WoluweBelgiumRecruiting
Algemeen Ziekenhuis Delta
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TorhoutBelgiumRecruiting
Centre Hospitalier Universitaire Dinant Godinne Sainte-Elisabeth-UCL-Namur
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YvoirBelgiumRecruiting
Fakultni nemocnice Brno
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BrnoCzechiaNot yet recruiting
University Hospital Olomouc
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OlomoucCzechiaNot yet recruiting
Rigshospitalet
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Copenhagen OeDenmarkRecruiting
Region Hovedstaden
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HerlevDenmarkRecruiting
Hospital Universitario de Cruces
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BarakaldoSpainRecruiting
Hospital del Mar
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BarcelonaSpainRecruiting
Hospital de la Santa Creu i Sant Pau
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BarcelonaSpainRecruiting
Hospital Clinic de Barcelona
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BarcelonaSpainRecruiting
Hospital San Pedro De Alcántara
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CáceresSpainRecruiting
Hospital General Universitario Reina Sofia
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CórdobaSpainRecruiting
Institut Catala D'oncologia
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L'Hospitalet de LlobregatSpainRecruiting
Hospital Universitario Lucus Augusti
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LugoSpainRecruiting
Hospital Universitario 12 de Octubre
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MadridSpainRecruiting
Fundacion Para La Investigacion Biomedica Del Hospital Gregorio Maranon
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MadridSpainRecruiting
Hospital Universitario Ramón y Cajal
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MadridSpainRecruiting
Hospital Universitario de la Princesa
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MadridSpainRecruiting
Hospital Clínico San Carlos
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MadridSpainRecruiting
Hospital Universitario Puerta de Hierro de Majadahonda
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MajadahondaSpainRecruiting
Hospital Universitario Regional de Málaga
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MálagaSpainRecruiting
Hospital Universitario Virgen de la Victoria
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MálagaSpainRecruiting
Hospital Universitario Central De Asturias
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OviedoSpainRecruiting
University Hospital Son Espases
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PalmaSpainRecruiting
Hospital Universitario de Navarra
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PamplonaSpainRecruiting
Parc Tauli Hospital Universitari
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SabadellSpainRecruiting
Hospital Universitario Marqués de Valdecilla
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SantanderSpainRecruiting
University Hospital Virgen Del Rocio S.L.
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SevillaSpainRecruiting
Hospital Clínico Universitario de Valladolid
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ValladolidSpainRecruiting
Institut de Cancerologie de L'Ouest
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AngersFranceRecruiting
Centre Hospitalier de la Cote Basque
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BayonneFranceRecruiting
Institut Bergonie
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BordeauxFranceRecruiting
Centre Hospitalier Régional et Universitaire de Brest
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BrestFranceRecruiting
Clinique Pasteur Lanroze
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BrestFranceRecruiting
Centre Francois Baclesse
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Caen Cedex 5FranceRecruiting
Centre Jean Perrin
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Clermont-FerrandFranceRecruiting
Centre Hospitalier De Colmar
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Colmar CedexFranceRecruiting
Assistance Publique Hopitaux De Paris
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Creteil CedexFranceRecruiting
Centr Georges Francois Leclerc
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DijonFranceRecruiting
Union Mut Gestion Groupe Hosp Mutualiste De Grenoble
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GrenobleFranceRecruiting
Centre Oscar Lambret
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LilleFranceRecruiting
Centre Leon Berard
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LyonFranceRecruiting
Hospices Civils De Lyon
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Lyon Cedex 03FranceRecruiting
Institut Paoli-Calmettes
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MarseilleFranceRecruiting
Institut Regional Du Cancer De Montpellier
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Montpellier Cedex 5FranceRecruiting
L'Hopital Prive Du Confluent
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Nantes Cedex 2FranceRecruiting
Centre Medico Chirurgical Ambroise Pare Hartmann
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Neuilly-Sur-SeineFranceRecruiting
Centre Hospitalier Universitaire D Orleans
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Orleans Cedex 2FranceRecruiting
GIE Groupe hospitalier Paris Saint-Joseph/Vinci
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ParisFranceRecruiting
Institut Mutualiste Montsouris
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ParisFranceRecruiting
Assistance Publique Hopitaux de Paris
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ParisFranceRecruiting
Institut Curie
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ParisFranceRecruiting
Hospices Civils de Lyon
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Pierre-BéniteFranceRecruiting
Capio La Croix Du Sud
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Quint-FonsegrivesFranceRecruiting
Institut Godinot
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ReimsFranceRecruiting
Centre De Lutte Contre Le Cancer Eugene Marquis
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Rennes CedexFranceRecruiting
Institut De Cancerologie De L Ouest
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St HerblainFranceRecruiting
Les Hopitaux Universitaires de Strasbourg
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StrasbourgFranceRecruiting
Groupe Hospitalier Saint Vincent
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StrasbourgFranceRecruiting
Institut Universitaire Du Cancer Toulouse-Oncopole
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Toulouse Cedex 9FranceRecruiting
Centre Hospitalier Regional Universitaire De Tours
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Tours Cedex 9FranceRecruiting
Institut De Cancerologie De Lorraine
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Vandouvre Les NancyFranceRecruiting
Institut Gustave Roussy
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VillejuifFranceRecruiting
Klinicki bolnicki centar Sestre milosrdnice
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Grad ZagrebCroatiaRecruiting
Cork University Hospital
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CorkIrelandRecruiting
Beacon Hospital
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Dublin 18IrelandRecruiting
Tallaght University Hospital
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Dublin 24IrelandRecruiting
St Vincent's University Hospital
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Dublin 4IrelandRecruiting
Mater Private Hospital
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Dublin 7IrelandRecruiting
Mater Misericordiae University Hospital
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Dublin 7IrelandRecruiting
St James's Hospital
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Dublin 8IrelandRecruiting
Beaumont Hospital
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Dublin 9IrelandRecruiting
University Hospital Galway
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GalwayIrelandRecruiting
University Hospital Limerick
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LimerickIrelandRecruiting
Azienda Ospedaliero-Universitaria Careggi
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FlorenceItalyRecruiting
Ospedale Mater Salutis Di Legnago
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LegnagoItalyRecruiting
Istituto Europeo di Oncologia s.r.l
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MilanItalyRecruiting
Hospital Santa Maria Della Misericordia
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PerugiaItalyRecruiting
Ospedale P. Pederzoli Casa di Cura Privata S.p.A.
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Peschiera del GardaItalyRecruiting
I.F.O. Istituti Fisioterapici Ospitalieri
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RomeItalyRecruiting
Ospedale Isola Tiberina - Gemelli Isola
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RomeItalyRecruiting
Medisprof S.R.L.
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Cluj-NapocaRomaniaNot yet recruiting
Oncomed S.R.L.
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TimisoaraRomaniaNot yet recruiting
Institute of Oncology Ljubljana
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LjubljanaSloveniaRecruiting

This page is information, not medical advice. Discuss any trial with your doctor.