Overview
Sponsor-declared trial summary
Metastatic castration-resistant prostate cancer
The main objective is to assess the efficacy of darolutamide, used in addition to physician-choice standard of care and then in maintenance therapy, on radiographic progression-free survival (rPFS) for patients in the first line setting of mCRPC.
Key facts
- Sponsor
- Swiss Group for Clinical Cancer Research
- Participant type
- Patients
- Age range
- 18-64 years, 65+ years
- Gender
- Male
- Therapeutic area
- Diseases [C] - Male Urogenital Diseases [C12]
- Trial duration
- 6 Aug 2025 → ongoing
- Decision date (initial)
- 2025-05-22
- Transition trial
- No
- Low-intervention
- No
- Rare-disease indication
- No
- Vulnerable population
- No
Trial design
CTIS Part I — objectives, methods, condition coding
Main objective
Scope: Efficacy
The main objective is to assess the efficacy of darolutamide, used in addition to physician-choice standard of care and then in maintenance therapy, on radiographic progression-free survival (rPFS) for patients in the first line setting of mCRPC.
Conditions and MedDRA coding
Metastatic castration-resistant prostate cancer
Regulatory references
- Plan to share IPD
- No
| EU CT number | Title | Sponsor |
|---|---|---|
| 2022-502084-38-00 | (20321) An open-label, single arm, roll-over study to provide continued treatment with darolutamide in participants who were enrolled in previous Bayer sponsored studies | Bayer Consumer Care AG |
| 2022-501343-33-00 | (21492 ARASTEP) 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 | Bayer Consumer Care AG |
Eligibility criteria
Principal inclusion / exclusion criteria as submitted by sponsor
Inclusion criteria 6
- Histologically or cytologically confirmed diagnosis of adenocarcinoma of the prostate.
- Castration resistance: tumor progression after orchiectomy or during treatment with GnRH analogues (agonists or antagonists)
- Non-surgically castrated patient agrees on ongoing use of GnRH analogues (agonists or antagonists) during the trial
- Metastatic disease, documented by imaging according to PCWG3 criteria
- Prior response to ARPI for at least 12 months in the mHSPC setting.
- Adequate bone marrow, hepatic and renal functions.
Exclusion criteria 11
- Presence of a small cell component.
- Prior systemic therapy for metastatic castration-resistant disease.
- Prior chemotherapy for mHSPC, except docetaxel.
- Prior LuPSMA or radium 223 for prostate cancer.
- Concomitant use of other anti-cancer drugs or radiotherapy except for local pain control and GnRH analogues.
- Severe or uncontrolled cardiovascular disease.
- Acute exacerbations of chronic illnesses, serious infections, or major surgery before start of treatment.
- Clinical or radiological evidence of current spinal cord compression.
- Any concomitant drugs contraindicated for use with darolutamide or known hypersensitivity to darolutamide.
- Known gastrointestinal (GI) disease or GI procedure that could interfere with the GI absorption or tolerance of darolutamide.
- Any other serious underlying medical, psychiatric, psychological, familial or geographical condition, which may interfere with the planned staging, treatment and follow-up, affect patient compliance or place the patient at high risk from treatment-related complications.
Endpoints
Primary and secondary outcome measures (English text)
Primary endpoints 1
- Radiographic progression-free survival.
Secondary endpoints 8
- Overall survival.
- Time to symptomatic/clinical progression.
- Time to PSA progression (defined according to PCWG3).
- Event-free survival (EFS) – event being defined as one of the following: - death from any cause - presence of radiographic progression and symptomatic/clinical progression; - presence of radiographic progression and PSA progression; - presence of symptomatic/clinical progression and PSA progression
- Objective response rate according to RECIST.
- PSA response (30%, 50%, 90% and best).
- Duration of PSA response (50%).
- AEs.
Investigational products
Investigational medicinal products (IMPs), comparators, placebo, auxiliary
Test 1
PRD1849573 · Product
- Active substance
- Darolutamide
- Other product name
- ODM-201 300 mg film-coated tablet
- Pharmaceutical form
- FILM-COATED TABLET
- Route of administration
- ORAL
- Max daily dose
- 1200 mg milligram(s)
- Max total dose
- 1200 mg milligram(s)
- Max treatment duration
- 1 Week(s)
- Authorisation status
- Not Authorised
- MA holder
- BAYER AG
- Paediatric formulation
- No
- Orphan designation
- No
Auxiliary 5
Lutathera 370 MBq/mL solution for infusion
PRD5434501 · Product
- Active substance
- Lutetium (177LU) Oxodotreotide
- Substance synonyms
- 177LU-DOTA-TYR3-OCTREOTATE, 177LU-DOTA0-TYR3-OCTREOTATE, 177LU-DOTATATE, DOTATATE LUTENIUM LU-177, LUTETIUM (177LU) DOTATATE, LUTETIUM (177LU)-N-[(4,7,10-TRICARBOXYMETHYL-1,4,7,10-TETRAAZACYCLODODEC-1-YL)ACETYL]-D-PHENYLALANYL-L-CYSTEINYL-L-TYROSYL-D-TRYPTOPHANYL-L-LYSYL-L-THREONINYL-L-CYSTEINYL-L-THREONINE-CYCLIC(2-7)DISULPHIDE
- Pharmaceutical form
- SOLUTION FOR INFUSION
- Route of administration
- INTRAVENOUS
- Max daily dose
- 7400 MBq megabecquerel(s)
- Max total dose
- 7400 MBq megabecquerel(s)
- Max treatment duration
- 32 Week(s)
- Authorisation status
- Authorised
- ATC code
- V10XX04 — -
- Marketing authorisation
- EU/1/17/1226/001
- MA holder
- ADVANCED ACCELERATOR APPLICATIONS
- MA country
- EU
- Paediatric formulation
- No
- Orphan designation
- No
- Modified vs. Marketing Authorisation
- No
Cabazitaxel Accord 20 mg/ml concentrate for solution for infusion
PRD8294078 · Product
- Active substance
- Cabazitaxel
- Substance synonyms
- XRP6258, CABAZITAXELUM, XRP 6258
- Pharmaceutical form
- SOLUTION FOR INFUSION
- Route of administration
- INTRAVENOUS
- Max daily dose
- 25 mg/m2 milligram(s)/square meter
- Max total dose
- 25 mg/m2 milligram(s)/square meter
- Max treatment duration
- 1 Week(s)
- Authorisation status
- Authorised
- ATC code
- L01CD04 — -
- Marketing authorisation
- EU/1/20/1448/001
- MA holder
- ACCORD HEALTHCARE S.L.U.
- MA country
- Liechtenstein
- Paediatric formulation
- No
- Orphan designation
- No
- Modified vs. Marketing Authorisation
- No
Docetaxel Aurovitas 20 mg/ml concentrado para solución para perfusión
PRD10213565 · Product
- Active substance
- Docetaxel
- Pharmaceutical form
- SOLUTION FOR INFUSION
- Route of administration
- INTRAVENOUS
- Max daily dose
- 25 mg/m2 milligram(s)/sq. meter
- Max total dose
- 25 mg/m2 milligram(s)/sq. meter
- Max treatment duration
- 1 Week(s)
- Authorisation status
- Authorised
- ATC code
- L01CD02 — DOCETAXEL
- Marketing authorisation
- 72.635
- MA holder
- EUGIA PHARMA (MALTA) LTD
- MA country
- Spain
- Paediatric formulation
- No
- Orphan designation
- No
- Modified vs. Marketing Authorisation
- No
Lynparza 150 mg film-coated tablets
PRD6152224 · Product
- Active substance
- Olaparib
- Substance synonyms
- AZD-2281, AZD2281
- Pharmaceutical form
- FILM-COATED TABLET
- Route of administration
- ORAL
- Max daily dose
- 600 mg milligram(s)
- Max total dose
- 600 mg milligram(s)
- Max treatment duration
- 1 Week(s)
- Authorisation status
- Authorised
- ATC code
- L01XK01 — -
- Marketing authorisation
- EU/1/14/959/004
- MA holder
- ASTRAZENECA AB
- MA country
- EU
- Paediatric formulation
- No
- Orphan designation
- No
- Modified vs. Marketing Authorisation
- No
Xofigo 1100 kBq/mL solution for injection
PRD3220217 · Product
- Active substance
- Radium Ra 223 Dichloride
- Pharmaceutical form
- SOLUTION FOR INJECTION
- Route of administration
- INTRAVENIOUS INFUSION
- Max daily dose
- 25 mg/m2 milligram(s)/square meter
- Max total dose
- 25 mg/m2 milligram(s)/square meter
- Max treatment duration
- 1 Week(s)
- Authorisation status
- Authorised
- ATC code
- V10XX03 — -
- Marketing authorisation
- EU/1/13/873/001
- MA holder
- BAYER AG
- MA country
- Norway
- Paediatric formulation
- No
- Orphan designation
- No
- Modified vs. Marketing Authorisation
- No
Sponsors and contacts
Sponsor organisations, regulatory contacts, third parties
Swiss Group for Clinical Cancer Research
- Sponsor organisation
- Swiss Group for Clinical Cancer Research
- Address
- Effingerstrasse 33
- City
- Bern
- Postcode
- 3008
- Country
- Switzerland
Scientific contact point
- Organisation
- Swiss Group for Clinical Cancer Research
- Contact name
- Richard Cathomas
Public contact point
- Organisation
- Swiss Group for Clinical Cancer Research
- Contact name
- Richard Cathomas
Third parties 2
| Organisation | City, country | Duties |
|---|---|---|
| Grupo Espanol De Oncologia Genitourinaria-Socug ORG-100013353
|
Madrid, Spain | Code 2, Code 5 |
| Evidenze Health Espana S.L. ORG-100041907
|
Barcelona, Spain | On site monitoring, Code 12 |
Locations
1 EU/EEA country · 20 investigational sites
By country
| Country | MS status | Planned subjects | Sites |
|---|---|---|---|
| Spain | Ongoing, recruiting | 100 | 20 |
| Rest of world
Switzerland
|
— | 62 | — |
Investigational sites
Country notifications
Trial-start, recruitment-start, end and early-termination notifications submitted per Member State
| Country | Trial start | Trial end | Recruitment start | Recruitment end | Early termination |
|---|---|---|---|---|---|
| Spain | 2025-08-06 | 2025-08-07 |
Results and documents
Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial
Documents 18 files
Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.
| Type | Title | Version |
|---|---|---|
| Protocol (for publication) | D1_Protocol 2024-512132-29-00 | 2.1 |
| Protocol (for publication) | D1_Protocol_v2_TC | 2.1 |
| Protocol (for publication) | SAKK 0823 Protocol v3 0 | 3 |
| Protocol (for publication) | SAKK 0823 Protocol v3 0 Spain tc | 3 |
| Recruitment arrangements (for publication) | K1_Recruitment arrangement | 1 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF General | 0.4 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF Pregnant partner | 0.1 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_TC | 0.4 |
| Subject information and informed consent form (for publication) | SAKK 0823 eligibility worksheet v3 0 | 3.0 |
| Subject information and informed consent form (for publication) | SAKK 0823 eligibility worksheet v3 0 TC | 3.0 |
| Subject information and informed consent form (for publication) | SAKK 0823 HIP CI Embarazo v0 2 19012026 cc | 0.2 |
| Subject information and informed consent form (for publication) | SAKK 0823 HIP CI Embarazo v0 2 19012026 clean | 0.2 |
| Subject information and informed consent form (for publication) | SAKK 0823 HIP CI General v0 5 19012026 cc | 0.5 |
| Subject information and informed consent form (for publication) | SAKK 0823 HIP CI General v0 5 19012026 clean | 0.5 |
| Synopsis of the protocol (for publication) | D1_ Protocol Synopsis v_ESP TC | 2.1 |
| Synopsis of the protocol (for publication) | D1_Protocol Synopsis Spanish 2024-512132-29-00 | 2.1 |
| Synopsis of the protocol (for publication) | Sinopsis Prot v3 0 19012026 ESP clean | 3 |
| Synopsis of the protocol (for publication) | Sinopsis Prot v3 0 19012026 ESP tc | 3 |
Application history
2 submissions — initial application plus substantial / non-substantial modifications
| # | Type | Code | Submitted | Reference MS | Conclusion | Decision date |
|---|---|---|---|---|---|---|
| 1 | INITIAL | IN | 2025-02-18 | Spain | Acceptable 2025-05-21
|
2025-05-22 |
| 2 | SUBSTANTIAL MODIFICATION | SM-1 | 2026-02-12 | Spain | Acceptable 2026-04-21
|
2026-04-24 |