E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Metastatic Castration resistant prostate cancer |
Cancer de la prostate résistant à la castration |
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E.1.1.1 | Medical condition in easily understood language |
Metastatic Castration resistant prostate cancer |
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E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10036909 |
E.1.2 | Term | Prostate cancer metastatic |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10076506 |
E.1.2 | Term | Castration-resistant prostate cancer |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To assess patient preference between ODM-201 and enzalutamide by patient preference questionnaire |
Evaluer la préférence des patients entre l’ODM-201 et l’enzalutamide par un questionnaire de préférence patient |
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E.2.2 | Secondary objectives of the trial |
1. To evaluate reasons for patient preference as assessed by patient preference questionnaire 2. To evaluate dose modifications and time to dose modification 3. To evaluate tolerance of each drug 4. To evaluate fatigue as assessed by the Brief Fatigue Inventory (BFI) after treatment period 1 and 2 5. To evaluate cognitive function as assessed by Cogstate computerized cognitive tests after treatment period 1 and 2 6. To perform a depression screening test as assessed by the CES-D test after treatment period 1 and 2 7. To evaluate the incidence of falls (recorded in a patient diary) 8. To evaluate PSA decline (Waterfall plots) after each treatment period, per drug 9. To assess progression-free survival (PFS) 10. To assess the association between PSA at 4 weeks and PFS 11. To evaluate the incidence of cancer progression or death after period 1 and 2, per randomization arm 12. To assess tumor response in patients with nodal or visceral metastases using RECIST 1.1 criteria |
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E.2.3 | Trial contains a sub-study | Yes |
E.2.3.1 | Full title, date and version of each sub-study and their related objectives |
To identify molecular mechanisms of resistance to AR-targeted therapies (enzalutamide and ODM-201) in patients with metastatic castration-resistant prostate cancer (CRPC) treated in this study. |
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E.3 | Principal inclusion criteria |
1. Male patients older than 18 years 2. Histologically confirmed adenocarcinoma of the prostate 3. Evidence of metastatic disease (imaging can include bon scan, CT scan, PET choline, PET PSMA and MRI) 4. Continued androgen deprivation therapy (ADT) either with LHRH agonists/antagonists or bilateral orchiectomy 5. Serum testosterone <0.50 ng/ml (1.7 nmol/L) 6. Progressive disease (PSA progression or radiological progression or clinical progression) as per PCWG3 criteria 7. ECOG 0-1 (2 is accepted if the impairement is not due to prostate cancer) 8. Asymptomatic or mildly symptomatic (Brief Pain Inventory<4) prostate cancer 9. Information imparted to the patient and the informed consent form signed by the patient or his legal representative 10. Ability to comply with the protocol procedures 11. Patient affiliated to a social security system or beneficiary of the same 12. Sexually active male subjects unless surgically sterile, must agree to use condoms as an effective barrier method and refrain from sperm donation, and/or their female partners of reproductive potential to use a method of effective birth control, during the study treatment and for 3 months after the end of the treatment 13. adequate organ or bone marrow function as evidenced by: o Hemoglobin ≥ 9 g/dL o Absolute neutrophil count ≥ 1.5 x 109/L, o Platelet count ≥ 100 x 109/L, (subject must not have received any growth factor within 4 weeks or blood transfusion within 7 days of the hematology laboratory sample obtained at screening) o AST/SGOT and/or ALT/SGPT ≤1.5 x ULN; o Total bilirubin ≤ 1.5 x ULN, (except subjects with a diagnosis of Gilbert’s disease), o Serum creatinine ≤ 2 x ULN. If creatinine 1.0 - 1.5 x ULN, creatinine clearance will be calculated according to the CKD-EPI formula and patients with creatinine clearance <60 mL/min should be excluded.
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E.4 | Principal exclusion criteria |
1. Prior treatment with abiraterone, enzalutamide, ODM-201, ARN-509 or any other next-generation AR axis-targeting drug 2. Prior treatment with a taxane for CRPC (prior treatment with a taxane for castration-sensitive or castration-naïve prostate cancer is allowed) 3. Prior treatment with radium-223 4. Patients receiving an investigational drug within 4 weeks prior to enrolment (approved drugs with a long history of use such as aspirin, statins, heparins, or metformin, even used in an experimental setting are accepted) 5. Treatment with radiotherapy (external beam radiation therapy [EBRT], brachytherapy, or radiopharmaceuticals) within 2 weeks before randomization 6. Known hypersensitivity to any of the study drugs, study drug classes, or excipients in the formulation of the study drugs 7. Acute toxicities of prior treatments and procedures not resolved to grade <=1 or baseline before randomisation. 8. Had any of the following within 6 months before randomization: stroke, myocardial infarction, severe/unstable angina pectoris, coronary/peripheral artery bypass graft, congestive heart failure (New York Heart Association (NYHA) Class III or IV) 9. Uncontrolled hypertension as indicated by a resting systolic blood pressure (BP) ≥160 mmHg or diastolic BP ≥100 mmHg despite optimal medical management 10. Had a prior malignancy. Adequately treated basal cell or squamous cell carcinoma of skin or superficial bladder cancer that has not spread behind the connective tissue layer (i.e., pTis, pTa, and pT1) is allowed, as well as any other cancer for which treatment has been completed ≥5 years before randomization and from which the subject has been disease-free 11. A gastrointestinal disorder or procedure which is expected to interfere significantly with absorption of study treatment 12. An active viral hepatitis, active human immunodeficiency infection (HIV), or chronic liver disease with a need for treatment. 13. Any other serious or unstable illness or infection, or medical, social, or psychological condition, that could jeopardize the safety of the subject and/or his compliance with study procedures, or may interfere with the subject’s participation in the study or evaluation of the study results 14. Inability to swallow oral medications |
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E.5 End points |
E.5.1 | Primary end point(s) |
Patient preference between ODM-201 and enzalutamide assessed by a single question (patient preference questionnaire), in the modified intent-to-treat population as defined by all patients who received at least one dose of drug from each treatment period and who did not have documented progressive disease at the end of the treatment period 1. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
After completion of the second period of treatment |
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E.5.2 | Secondary end point(s) |
*Reasons for patient preference as assessed by patient preference questionnaire *Dose modifications and time to dose modification *Safety as assessed by grading adverse events with the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE v4.03) until up to 28 days (+7) days after the last dose of study treatment *Fatigue as assessed by the Brief Fatigue Inventory (BFI) after each treatment period *Cognitive function as assessed by Cogstate computerized cognitive tests after treatment period 1 and treatment period 2 *Depression screening as assessed by the Center for Epidemiological Studies-Depression (CES-D) test after each treatment period *Frequency of falls (recorded in a patient diary) *PSA declines using Waterfall plots after each treatment period, per drug *Progression-Free Survival (PFS) *Association between 4-weeks PSA value and PFS *Incidence of cancer progression or death after period 1 and 2, per randomization arm *Tumor response in patients with nodal or visceral metastases using RECIST 1.1 criteria
Ancillary study outcomes *Type and Frequency of molecular alterations in primary resistant tumors vs responsive tumors *Comparison of the molecular profile in patients upon relapse with the molecular obtained profile prior to treatment with AR targeted therapies; *Comparison of mechanisms of resistance between ODM-201 and Enzalutamide *Identification of mutational processes driving resistance to AR-targeted therapies
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | Yes |
E.6.11 | Pharmacogenomic | Yes |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | Yes |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | Yes |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 30 |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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The end of the study is defined as the Last Patient Last Visit. LPLV is defnied as the date of the last protocol-specified visit/assessment for the last subject in the study. |
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | |
E.8.9.1 | In the Member State concerned months | 50 |
E.8.9.1 | In the Member State concerned days | |