- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03899077
Radiotherapy Combined With a LHRH (Ant)Agonist Versus Apalutamide in Patients With Biochemical Recurrence After RP (SAVE)
A Phase II Study Comparing Salvage Radiotherapy in Combination With 6 Months of Androgen-deprivation Therapy Versus Anti-androgen Therapy With Apalutamide in Patients With Biochemical Progression After Radical Prostatectomy
Study Overview
Status
Conditions
Detailed Description
After radical prostatectomy, around one third of patients will have biochemical progression. Salvage radiotherapy (SRT) is still potentially curative, but about 40-50% of patients will progress further. Recently, success rates of SRT were significantly improved through the use of concomitant anti-androgen (AAT) or androgen-deprivation (ADT) therapy. In RTOG 96-01, 2 years of bicalutamide 150 mg resulted in a 5% overall survival benefit at 12-years. In GETUG-AFU 16, 5-year progression-free survival was significantly improved when SRT was combined with 6 months of an LHRH agonist. Based on GETUG-AFU 16, most radiation oncologists now combine SRT with at least 6 months of ADT. However, ADT comes with several serious side-effects, both physical (cardiovascular, metabolic, musculoskeletal) and psychological (sexual, emotional and cognitive). It appears worthwile to look for alternatives in the form of AAT. In that respect, apalutamide, a potent competitive and purely antagonistic second-generation anti-androgen, is the ideal candidate.
This trial is a phase II randomized, open-label study comparing salvage radiotherapy in combination with 6 months of ADT (arm A) versus AAT with apalutamide 240mg daily (arm B) in hormone-naïve patients with biochemical progression after radical prostatectomy. All subjects will receive salvage radiotherapy as standard of care and will be randomly assigned in a 1:1 ratio to receive either 6 months of ADT with LHRH agonist or antagonist through 6 monthly, two 3-monthly or one 6-monthly injections (control arm A) or 6 28-day cycles of apalutamide 240mg daily (interventional arm B).
The study will include a screening phase, treatment phase, and a post-treatment phase.
- Screening phase: allows for assessment of subject eligibility up to 35 days prior to randomization.
Treatment phase: includes the hormonal treatment for 6 months, to be started at the most 2 weeks after randomization and standard salvage radiotherapy. During the treatment phase, patients will have 3 study visits:
- treatment initiation visit: first injection of LHRH (ant)agonist (arm A) or cycle 1, day 1 (C1D1) of apalutamide (arm B).
- Concurrent with RT visit: if necessary (depending on product prescribed) injection of LHRH (ant)agonist (arm A) or cycle 4, day 1 (C4D1) of apalutamide (arm B).
- End of treatment visit: at the end of the 6 months of hormonal therapy.
- Post-treatment phase: will begin after a subject completes the treatment phase and the end of treatment visit and will continue until the primary endpoint is reached, i.e. the 9-months (3 months after end of treatment visit) EPIC-26 sexual domain score.
The primary objective of the trial is to compare sexual function between the 2 groups based on the EPIC-26 sexual domain (0 - 100 scale, with higher scores representing better sexual function) at 9 months after start of hormonal treatment (primary endpoint). The following secondary endpoints will be explored:
- Quality of life: assessed using EPIC-26 as well as the EORTC quality of life questionnaires C30 and PR25 as well as FACT-P.
- Toxicity: will be assessed using the Common Terminology Criteria for Adverse Events (CTCAE) version 5.0.
- Efficacy: prostate-specific antigen (PSA) response rates, defined as a decline from baseline in PSA level of 80% or greater, as well as PSA complete response rates, defined as a decline from baseline in PSA level of 90% or greater, will be prospectively collected at the 4 treatment visits.
At this point in time, no study has directly compared apalutamide to LHRH agonists or antagonists in combination with SRT. This trial may be a preamble to the design of a registration trial in such patients or indeed patients with a intermediate and high-risk localized disease that are scheduled for EBRT or brachytherapy as radical treatment and also benefit from 6 months of hormonal treatment.
Study Type
Enrollment (Estimated)
Phase
- Phase 2
Contacts and Locations
Study Contact
- Name: Ilse Van der Auwera
- Phone Number: 003234433759
- Email: ilse.vanderauwera@gza.be
Study Contact Backup
- Name: Nele Smet
- Phone Number: 003234433759
- Email: nele.smet@gza.be
Study Locations
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-
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Aalst, Belgium, 9300
- Recruiting
- OLVZ Aalst
-
Contact:
- Peter Schatteman, MD
- Email: peter.schatteman@olvz-aalst.be
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Brugge, Belgium, 8000
- Recruiting
- AZ Sint-Jan
-
Contact:
- Christophe Ghysel, MD
- Email: christophe.ghysel@azsintjan.be
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Bruxelles, Belgium, 1070
- Recruiting
- Hopital Erasme
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Contact:
- Thierry Roumeguère, MD
- Email: thierry.roumeguère@erasme.ulb.ac.be
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Gent, Belgium, 9000
- Recruiting
- UZ Gent
-
Contact:
- Valerie Fonteyne, MD
- Email: valerie.fonteyne@uzgent.be
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Haine-Saint-Paul, Belgium, 7100
- Active, not recruiting
- CH Jolimont
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Jette, Belgium, 1090
- Active, not recruiting
- UZ Brussel
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Kortrijk, Belgium, 8500
- Recruiting
- Az Groeninge
-
Contact:
- Nick Liefhooghe, MD
- Phone Number: 3256633928
- Email: nick.liefhooghe@azgroeninge.be
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Namur, Belgium, 5000
- Active, not recruiting
- CHU UCL Namur
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Wilrijk, Belgium
- Recruiting
- GZA
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Contact:
- Piet Dirix, MD, PhD
- Phone Number: 3234433759
- Email: piet.dirix@gza.be
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Male, > 18 years old.
- ECOG 0-1.
- Histologically confirmed adenocarcinoma of the prostate.
- Previous radical prostatectomy (RP), pT2-3, pN0 or pNx.
- PSA detectable with confirmed rise (at least 2 weeks apart) at least 8 weeks after RP.
- Hormone-naive disease.
- Patients amendable to take oral medication.
Patients must have clinical laboratory values at screening:
- Hemoglobin 9.0 g/dL, independent of transfusion and/or growth factors within 3 months prior to randomization
- Platelet count ≥100,000 x 109/µL independent of transfusion and/or growth factors within 3 months prior to randomization
- Serum albumin ≥3.0 g/dL
- Serum creatinine <2.0 × upper limit of normal (ULN)
- Serum potassium ≥3.5 mmol/L
- Serum total bilirubin 1.5 × ULN (note: in subjects with Gilbert's syndrome, if total bilirubin is >1.5 × ULN, measure direct and indirect bilirubin and if direct bilirubin is ≤1.5 × ULN, subject may be eligible)
- Aspartate aminotransferase (AST) or alanine aminotransferase (ALT) <2.5 × ULN
- Medications known to lower the seizure threshold must be discontinued or substituted at least 4 weeks prior to study entry.
- Patient agrees to use a condom (even men with vasectomies) and another effective method of birth control if he is having sex with a woman of childbearing potential or agrees to use a condom if he is having sex with a woman who is pregnant while on study drug and for 3 months following the last dose of study drug. Must also agree not to donate sperm during the study and for 3 months after receiving the last dose of study drug.
- Patients who have received the information sheet and signed the informed consent form.
- Patients must be willing to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures.
Exclusion Criteria:
- Patients with severe erectile dysfunction according to international index of erectile function (IIEF-5) questionnaire (score 1-7).
- Allergies, hypersensitivity or known intolerance to the study drugs or excipients.
History of any of the following:
- Seizure or known condition that may pre-dispose to seizure (including but not limited to prior stroke, transient ischemic attack, loss of consciousness within 1 year prior to randomization, brain arteriovenous malformation; or intracranial masses such as schwannomas and meningiomas that are causing edema or mass effect).
- Severe or unstable angina, myocardial infarction, symptomatic congestive heart failure, arterial or venous thromboembolic events (eg, pulmonary embolism, cerebrovascular accident including transient ischemic attacks), or clinically significant ventricular arrhythmias within 6 months prior to randomization.
Current evidence of any of the following:
- Uncontrolled hypertension.
- Gastrointestinal disorder affecting absorption.
- Patients already included in another clinical trial involving an experimental drug.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Arm A
The standard hormonal treatment in combination with salvage radiotherapy is ADT by a LHRH agonist or antagonist for 24 weeks.
LHRH agonists and antagonists include leuprolide, goserelin, triptorelin, and degarelix.
|
Leuprorelin acetate 45mg for 6 months; subcutaneous use
Goserelin acetate 10.8mg for 6 months; subcutaneous use
Triptorelin pamoate 22.5mg for 6 months; intramuscular use
Degarelix acetate 80mg for 6 months; subcutaneous use
|
Experimental: Arm B
Patients will receive 6 cycles (each cycle is 30 days) of the study drug (4x 60mg tablets daily in a single intake).
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Apalutamide 240mg daily for 6 months (i.e. 6 28-day cycles); oral use
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
EPIC-26 sexual domain score
Time Frame: 9 months after start of hormonal treatment
|
EPIC-26 sexual domain score (0 - 100 scale, with higher scores representing better sexual function)
|
9 months after start of hormonal treatment
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
FACT-P quality of life global score
Time Frame: 9 months after start of hormonal treatment
|
Health related quality of life (QoL) will be assessed using the Functional Assessment of Cancer Therapy-Prostate (FACT-P) questionnaire designed for patients with prostate cancer.
It consists of 27 core items which assess patient function in four domains: physical, social/family, emotional, and functional well-being, which is further supplemented by 12 site specific items to assess for prostate related symptoms.
Each item is rated on a 0 to 4 Likert type scale, and then combined to produce subscale scores for each domain, as well as a global QoL score.
Higher scores represent better QoL.
|
9 months after start of hormonal treatment
|
EORTC QLQ C30 quality of life score
Time Frame: 9 months after start of hormonal treatment
|
Quality of life will be assessed using the European Organisation for Research and Treatment of Cancer (EORTC) quality of life questionnaire (QLQ) C30.
The EORTC QLQ-C30 contains 30 items and is composed of both multi-item scales and single- item measures.
These include five functional scales (physical, role, emotional, cognitive and social functioning), three symptom scales (fatigue, nausea/vomiting, and pain), six single items (dyspnea, insomnia, appetite loss, constipation, diarrhea and financial impact) and a global health status/QoL scale.
|
9 months after start of hormonal treatment
|
EORTC QLQ PR25 quality of life score
Time Frame: 9 months after start of hormonal treatment
|
Quality of life will be assessed using the European Organisation for Research and Treatment of Cancer (EORTC) quality of life questionnaire (QLQ) PR25.
scale.
The EORTC QLQ-PR25 is used in conjunction with the EORTC QLQ-C30 and provides information on an additional 25 items specifically related to prostate cancer.
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9 months after start of hormonal treatment
|
Grade of acute toxicity
Time Frame: After obtaining informed consent and up to 30 days after last dose
|
Acute as well as late toxicity will be assessed using the Common Terminology Criteria for Adverse Events (CTCAE) version 5.0 (published November 27, 2017)
|
After obtaining informed consent and up to 30 days after last dose
|
PSA response rates
Time Frame: 0, 3, 6, and 9 months
|
Prostate-specific antigen (PSA) response rates, defined as a decline from baseline in PSA level of 80% or greater, as well as PSA complete response rates, defined as a decline from baseline in PSA level of 90% or greater, will be prospectively collected at 0, 3, 6, and 9 months.
|
0, 3, 6, and 9 months
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Piet Dirix, Gasthuis Zusters Antwerpen
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Neoplasms
- Urogenital Neoplasms
- Neoplasms by Site
- Genital Neoplasms, Male
- Prostatic Diseases
- Urogenital Diseases
- Male Urogenital Diseases
- Genital Diseases, Male
- Genital Diseases
- Prostatic Neoplasms
- Physiological Effects of Drugs
- Antineoplastic Agents
- Antineoplastic Agents, Hormonal
- Contraceptive Agents, Hormonal
- Contraceptive Agents
- Reproductive Control Agents
- Contraceptive Agents, Female
- Fertility Agents, Female
- Fertility Agents
- Luteolytic Agents
- Leuprolide
- Goserelin
- Triptorelin Pamoate
Other Study ID Numbers
- CTOR18001GZA
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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