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
- Diseases
- Prostate 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
Sites (93)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Institut Jules Bordet Coordinator of this site? Confirm its status | Anderlecht | Belgium | Recruiting |
| Grand Hopital de Charleroi Coordinator of this site? Confirm its status | Charleroi | Belgium | Recruiting |
| Universitair Ziekenhuis Gent Coordinator of this site? Confirm its status | Gent | Belgium | Recruiting |
| Chu Helora Coordinator of this site? Confirm its status | La Louvière | Belgium | Recruiting |
| UZ Leuven Coordinator of this site? Confirm its status | Leuven | Belgium | Recruiting |
| HeiligHartziekenhuis Lier Coordinator of this site? Confirm its status | Lier | Belgium | Recruiting |
| Algemeen Ziekenhuis Delta Coordinator of this site? Confirm its status | Menen | Belgium | Recruiting |
| Algemeen Ziekenhuis Delta Coordinator of this site? Confirm its status | Roeselare | Belgium | Recruiting |
| Cliniques Universitaires Saint-Luc Coordinator of this site? Confirm its status | Sint-Lambrechts-Woluwe | Belgium | Recruiting |
| Algemeen Ziekenhuis Delta Coordinator of this site? Confirm its status | Torhout | Belgium | Recruiting |
| Centre Hospitalier Universitaire Dinant Godinne Sainte-Elisabeth-UCL-Namur Coordinator of this site? Confirm its status | Yvoir | Belgium | Recruiting |
| Fakultni nemocnice Brno Coordinator of this site? Confirm its status | Brno | Czechia | Not yet recruiting |
| University Hospital Olomouc Coordinator of this site? Confirm its status | Olomouc | Czechia | Not yet recruiting |
| Rigshospitalet Coordinator of this site? Confirm its status | Copenhagen Oe | Denmark | Recruiting |
| Region Hovedstaden Coordinator of this site? Confirm its status | Herlev | Denmark | Recruiting |
| Hospital Universitario de Cruces Coordinator of this site? Confirm its status | Barakaldo | Spain | Recruiting |
| Hospital del Mar Coordinator of this site? Confirm its status | Barcelona | Spain | Recruiting |
| Hospital de la Santa Creu i Sant Pau Coordinator of this site? Confirm its status | Barcelona | Spain | Recruiting |
| Hospital Clinic de Barcelona Coordinator of this site? Confirm its status | Barcelona | Spain | Recruiting |
| Hospital San Pedro De Alcántara Coordinator of this site? Confirm its status | Cáceres | Spain | Recruiting |
| Hospital General Universitario Reina Sofia Coordinator of this site? Confirm its status | Córdoba | Spain | Recruiting |
| Institut Catala D'oncologia Coordinator of this site? Confirm its status | L'Hospitalet de Llobregat | Spain | Recruiting |
| Hospital Universitario Lucus Augusti Coordinator of this site? Confirm its status | Lugo | Spain | Recruiting |
| Hospital Universitario 12 de Octubre Coordinator of this site? Confirm its status | Madrid | Spain | Recruiting |
| Fundacion Para La Investigacion Biomedica Del Hospital Gregorio Maranon Coordinator of this site? Confirm its status | Madrid | Spain | Recruiting |
| Hospital Universitario Ramón y Cajal Coordinator of this site? Confirm its status | Madrid | Spain | Recruiting |
| Hospital Universitario de la Princesa Coordinator of this site? Confirm its status | Madrid | Spain | Recruiting |
| Hospital Clínico San Carlos Coordinator of this site? Confirm its status | Madrid | Spain | Recruiting |
| Hospital Universitario Puerta de Hierro de Majadahonda Coordinator of this site? Confirm its status | Majadahonda | Spain | Recruiting |
| Hospital Universitario Regional de Málaga Coordinator of this site? Confirm its status | Málaga | Spain | Recruiting |
| Hospital Universitario Virgen de la Victoria Coordinator of this site? Confirm its status | Málaga | Spain | Recruiting |
| Hospital Universitario Central De Asturias Coordinator of this site? Confirm its status | Oviedo | Spain | Recruiting |
| University Hospital Son Espases Coordinator of this site? Confirm its status | Palma | Spain | Recruiting |
| Hospital Universitario de Navarra Coordinator of this site? Confirm its status | Pamplona | Spain | Recruiting |
| Parc Tauli Hospital Universitari Coordinator of this site? Confirm its status | Sabadell | Spain | Recruiting |
| Hospital Universitario Marqués de Valdecilla Coordinator of this site? Confirm its status | Santander | Spain | Recruiting |
| University Hospital Virgen Del Rocio S.L. Coordinator of this site? Confirm its status | Sevilla | Spain | Recruiting |
| Hospital Clínico Universitario de Valladolid Coordinator of this site? Confirm its status | Valladolid | Spain | Recruiting |
| Institut de Cancerologie de L'Ouest Coordinator of this site? Confirm its status | Angers | France | Recruiting |
| Centre Hospitalier de la Cote Basque Coordinator of this site? Confirm its status | Bayonne | France | Recruiting |
| Institut Bergonie Coordinator of this site? Confirm its status | Bordeaux | France | Recruiting |
| Centre Hospitalier Régional et Universitaire de Brest Coordinator of this site? Confirm its status | Brest | France | Recruiting |
| Clinique Pasteur Lanroze Coordinator of this site? Confirm its status | Brest | France | Recruiting |
| Centre Francois Baclesse Coordinator of this site? Confirm its status | Caen Cedex 5 | France | Recruiting |
| Centre Jean Perrin Coordinator of this site? Confirm its status | Clermont-Ferrand | France | Recruiting |
| Centre Hospitalier De Colmar Coordinator of this site? Confirm its status | Colmar Cedex | France | Recruiting |
| Assistance Publique Hopitaux De Paris Coordinator of this site? Confirm its status | Creteil Cedex | France | Recruiting |
| Centr Georges Francois Leclerc Coordinator of this site? Confirm its status | Dijon | France | Recruiting |
| Union Mut Gestion Groupe Hosp Mutualiste De Grenoble Coordinator of this site? Confirm its status | Grenoble | France | Recruiting |
| Centre Oscar Lambret Coordinator of this site? Confirm its status | Lille | France | Recruiting |
| Centre Leon Berard Coordinator of this site? Confirm its status | Lyon | France | Recruiting |
| Hospices Civils De Lyon Coordinator of this site? Confirm its status | Lyon Cedex 03 | France | Recruiting |
| Institut Paoli-Calmettes Coordinator of this site? Confirm its status | Marseille | France | Recruiting |
| Institut Regional Du Cancer De Montpellier Coordinator of this site? Confirm its status | Montpellier Cedex 5 | France | Recruiting |
| L'Hopital Prive Du Confluent Coordinator of this site? Confirm its status | Nantes Cedex 2 | France | Recruiting |
| Centre Medico Chirurgical Ambroise Pare Hartmann Coordinator of this site? Confirm its status | Neuilly-Sur-Seine | France | Recruiting |
| Centre Hospitalier Universitaire D Orleans Coordinator of this site? Confirm its status | Orleans Cedex 2 | France | Recruiting |
| GIE Groupe hospitalier Paris Saint-Joseph/Vinci Coordinator of this site? Confirm its status | Paris | France | Recruiting |
| Institut Mutualiste Montsouris Coordinator of this site? Confirm its status | Paris | France | Recruiting |
| Assistance Publique Hopitaux de Paris Coordinator of this site? Confirm its status | Paris | France | Recruiting |
| Institut Curie Coordinator of this site? Confirm its status | Paris | France | Recruiting |
| Hospices Civils de Lyon Coordinator of this site? Confirm its status | Pierre-Bénite | France | Recruiting |
| Capio La Croix Du Sud Coordinator of this site? Confirm its status | Quint-Fonsegrives | France | Recruiting |
| Institut Godinot Coordinator of this site? Confirm its status | Reims | France | Recruiting |
| Centre De Lutte Contre Le Cancer Eugene Marquis Coordinator of this site? Confirm its status | Rennes Cedex | France | Recruiting |
| Institut De Cancerologie De L Ouest Coordinator of this site? Confirm its status | St Herblain | France | Recruiting |
| Les Hopitaux Universitaires de Strasbourg Coordinator of this site? Confirm its status | Strasbourg | France | Recruiting |
| Groupe Hospitalier Saint Vincent Coordinator of this site? Confirm its status | Strasbourg | France | Recruiting |
| Institut Universitaire Du Cancer Toulouse-Oncopole Coordinator of this site? Confirm its status | Toulouse Cedex 9 | France | Recruiting |
| Centre Hospitalier Regional Universitaire De Tours Coordinator of this site? Confirm its status | Tours Cedex 9 | France | Recruiting |
| Institut De Cancerologie De Lorraine Coordinator of this site? Confirm its status | Vandouvre Les Nancy | France | Recruiting |
| Institut Gustave Roussy Coordinator of this site? Confirm its status | Villejuif | France | Recruiting |
| Klinicki bolnicki centar Sestre milosrdnice Coordinator of this site? Confirm its status | Grad Zagreb | Croatia | Recruiting |
| Cork University Hospital Coordinator of this site? Confirm its status | Cork | Ireland | Recruiting |
| Beacon Hospital Coordinator of this site? Confirm its status | Dublin 18 | Ireland | Recruiting |
| Tallaght University Hospital Coordinator of this site? Confirm its status | Dublin 24 | Ireland | Recruiting |
| St Vincent's University Hospital Coordinator of this site? Confirm its status | Dublin 4 | Ireland | Recruiting |
| Mater Private Hospital Coordinator of this site? Confirm its status | Dublin 7 | Ireland | Recruiting |
| Mater Misericordiae University Hospital Coordinator of this site? Confirm its status | Dublin 7 | Ireland | Recruiting |
| St James's Hospital Coordinator of this site? Confirm its status | Dublin 8 | Ireland | Recruiting |
| Beaumont Hospital Coordinator of this site? Confirm its status | Dublin 9 | Ireland | Recruiting |
| University Hospital Galway Coordinator of this site? Confirm its status | Galway | Ireland | Recruiting |
| University Hospital Limerick Coordinator of this site? Confirm its status | Limerick | Ireland | Recruiting |
| Azienda Ospedaliero-Universitaria Careggi Coordinator of this site? Confirm its status | Florence | Italy | Recruiting |
| Ospedale Mater Salutis Di Legnago Coordinator of this site? Confirm its status | Legnago | Italy | Recruiting |
| Istituto Europeo di Oncologia s.r.l Coordinator of this site? Confirm its status | Milan | Italy | Recruiting |
| Hospital Santa Maria Della Misericordia Coordinator of this site? Confirm its status | Perugia | Italy | Recruiting |
| Ospedale P. Pederzoli Casa di Cura Privata S.p.A. Coordinator of this site? Confirm its status | Peschiera del Garda | Italy | Recruiting |
| I.F.O. Istituti Fisioterapici Ospitalieri Coordinator of this site? Confirm its status | Rome | Italy | Recruiting |
| Ospedale Isola Tiberina - Gemelli Isola Coordinator of this site? Confirm its status | Rome | Italy | Recruiting |
| Medisprof S.R.L. Coordinator of this site? Confirm its status | Cluj-Napoca | Romania | Not yet recruiting |
| Oncomed S.R.L. Coordinator of this site? Confirm its status | Timisoara | Romania | Not yet recruiting |
| Institute of Oncology Ljubljana Coordinator of this site? Confirm its status | Ljubljana | Slovenia | Recruiting |
This page is information, not medical advice. Discuss any trial with your doctor.