- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02028988
Enzalutamide + External Beam Rt For Prostate
Enzalutamide With External Beam Radiation for Intermediate Risk Prostate Cancer: A Phase II Study
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
- The participant will be given a study drug-dosing diary for each of 6 treatment cycles. Each treatment cycle lasts 28 days (4 weeks), during which time the participant will be taking the study drug enzalutamide by mouth (4 pills daily). The diary will also include special instructions for taking the enzalutamide.
- The participant will also be undergoing external beam radiation therapy during the study, for a duration of 8 ½-10 weeks. Treatment will be administered on an outpatient basis. This part of the study is considered standard of care.
- The participant will be required to have fiducial markers placed within the prostate as part of this study. These are very small gold markers that are placed in the prostate. This procedure is similar to the biopsy that the participant had to diagnose their cancer. This procedure is routinely performed to permit imaging and position corrections to improve the precision of the external beam (radiation) delivery (Image Guided Radiation Therapy). The placement of the three gold markers is performed by an Urologist. The fiducials are placed under ultrasound guidance. This is also considered standard of care and is not experimental.
- Planned Follow-up: Participants will be followed on study at a 3 month follow-up after treatment (cessation of enzalutamide). Additional follow-up to assess the status of the participant's cancer will be conducted at the discretion of the treating physicians as part of the participant's routine medical care.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
Massachusetts
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Boston, Massachusetts, United States, 02115
- Brigham and Women's Hospital
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Boston, Massachusetts, United States, 02115
- Dana Farber Cancer Institute
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Boston, Massachusetts, United States, 02115
- Beth Israel Deaconess Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Study population: Participants must have histologically confirmed malignancy and are candidates for external beam radiation therapy. Patients eligible for this study must have intermediate risk disease defined as PSA values between 10-20 ng/ml and/or T2b-c and/or Gleason grade 7. If all three are present, less than 50% of the core biopsies can be positive.
- Patients previously diagnosed with low risk (Gleason score < 6, clinical stage < T2a, and PSA< 10) prostate cancer undergoing active surveillance who are re-biopsied and found to have intermediate risk disease according to the protocol criteria are eligible for enrollment within 180 days of the repeat biopsy procedure.
- Age 18 years or more.
- Life expectancy of greater than 1 year.
- ECOG performance status ≤ 2 (see Appendix D).
- Participants must have normal organ and marrow function as defined below:
- Leukocytes ≥3,000/mcL
- Platelets ≥80,000/mcL
- Total bilirubin < 2X institutional upper limit
- AST (SGOT)/ALT (SGPT) ≤ 2.5 X institutional upper limit of normal
- Creatinine < 2x institutional limits .
- The effects of enzalutamide on the developing human fetus are unknown. For this reason and because enzalutamide may be teratogenic, men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry and for the duration of study participation.
Ability to understand and the willingness to sign a written informed consent
Exclusion Criteria:
- Patients must NOT meet any of the following exclusion criteria
- Received an investigational agent within 4 weeks prior to enrollment
- Stage T4 prostate cancer by clinical examination or radiologic evaluation.
- Hypogonadism or severe androgen deficiency as defined by screening serum testosterone less than 50 ng/dL below the normal range for the institution.
- Prior androgen deprivation, chemotherapy, surgery, or radiation for prostate cancer.
- Receiving concurrent androgens, anti-androgens, estrogens, or progestational agents, or received any of these agents within the 6 months prior to enrollment or having taken finasteride or dutasteride within 30 days of registration.
- History of another active malignancy within the previous 5 years other than curatively treated nonmelanomatous skin cancer and superficial bladder cancer. Participants treated for malignancy with no relapse within two years are eligible to participate in the study.
- Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection.
- Severe concurrent disease, infection, or co-morbidity that, in the judgment of the Investigator, would make the patient inappropriate for enrollment.
- Unwilling to use contraceptives while on study if relevant to patient.
- History of seizure or any condition or concurrent medication that may predispose to seizure.
History of loss of consciousness or transient ischemic attack within 12 months prior to enrollment.
- Clinically significant cardiovascular disease, including:
- Myocardial infarction within 3 months of enrollment;
- Uncontrolled angina within 3 months of enrollment;
- Congestive heart failure New York Heart Association (NYHA) class 3 or 4, or history of congestive heart failure NYHA class 3 or 4 in the past, unless a screening echocardiogram or multi-gated acquisition scan performed within 3 months results in a left ventricular ejection fraction ≥ 45%;
- History of clinically significant ventricular arrhythmias (e.g., ventricular tachycardia, ventricular fibrillation, torsades de pointes);
- History of Mobitz II second degree or third degree heart block without a permanent pacemaker in place;
- Hypotension as indicated by systolic blood pressure < 86 mmHg on 2 consecutive measurements at the Screening visit;
- Bradycardia as indicated by a heart rate < 50 beats per minute at the Screening visit;
- Uncontrolled hypertension as indicated by systolic blood pressure > 170 mmHg or diastolic blood pressure > 105 mmHg on 2 consecutive measurements at the screening visit;
- EKG demonstrating equal to or greater than grade III toxicity according the NCI Common Terminology Criteria for Adverse Events (CTCAE) version 4.0
- History of gastrointestinal disorders (medical disorders or extensive surgery) that may interfere with the absorption of oral study drug(s) within 3 months of enrollment.
- Major surgery within 4 weeks of registration.
- Previous use, or participation in a clinical trial, of an investigational agent that blocks androgen synthesis (e.g., abiraterone acetate, TAK-700, TAK-683, TAK-448) or targets the androgen receptor (e.g., enzalutamide, BMS 641988); ketoconazole.
- Any condition or reason that, in the opinion of the Investigator, interferes with the ability of the patient to participate in the trial, places the patient at undue risk, or complicates the interpretation of safety data.
- Need for any of the medications on the list of drugs to be used with caution or to be avoided (see APPENDIX F).
- Use of herbal or alternative remedies that may affect hormonal status such as Prostasol or PC-SPES.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Enzalutamide with External Beam Radiation
Enzalutamide 40 mg orally 4x daily for 6 (28 day +/-3 days) cycles. External Beam Radiation Therapy (EBRT) - 7-10 weeks after beginning Enzalutamide 75.6 to 79.2 Gy in 1.8 Gy fractions for up to 11 weeks. *Patients that are unable to complete enzalutamide therapy will still be treated with EBRT |
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Percentage of Participants With PSA at or Below 0.2 ng/ml
Time Frame: End of treatment, up to 27 weeks.
|
Percentage of participants with PSA level of less than or equal to 0.2 ng/ml at the end of six cycles of enzalutamide and EBRT treatment.
Post-treatment PSA nadir level has been shown to be a validated intermediate cancer endpoint in similar settings.
The chosen cut-off of 0.2 ng/ml was informed by D'Amico et al Lancet Oncology 2012.
PSA levels determined through established methods (blood draw and serum analysis).
|
End of treatment, up to 27 weeks.
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Median DHEA-S
Time Frame: Assessed cycle 1, cycle 5, and end of treatment, up to 27 weeks
|
Median DHEA-S, collected and assessed using established methods.
Reference range is 28-640 ug/dL for adult males.
|
Assessed cycle 1, cycle 5, and end of treatment, up to 27 weeks
|
Median Androstenedione
Time Frame: Assessed cycle 1, cycle 5, and end of treatment, up to 27 weeks
|
Median androstenedione, collected and assessed using established methods.
Reference range is 40-150 ng/dL for adult males.
|
Assessed cycle 1, cycle 5, and end of treatment, up to 27 weeks
|
Median Testosterone
Time Frame: Assessed cycle 1, cycle 5, and end of treatment, up to 27 weeks
|
Median testosterone, collected and assessed using established methods.
Reference range is 300-1050 ng/dL for adult males.
|
Assessed cycle 1, cycle 5, and end of treatment, up to 27 weeks
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Median Free Testosterone
Time Frame: Assessed cycle 1, cycle 5, and end of treatment, up to 27 weeks
|
Median free testosterone, collected and assessed using established methods.
Reference range is 350-1200 ng/dL for adult males.
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Assessed cycle 1, cycle 5, and end of treatment, up to 27 weeks
|
Median Estrone
Time Frame: Assessed cycle 1, cycle 5, and end of treatment, up to 27 weeks
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Median estrone, collected and assessed using established methods.
Reference range is 12-72 pg/mL for adult males.
|
Assessed cycle 1, cycle 5, and end of treatment, up to 27 weeks
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Median Estradiol
Time Frame: Assessed cycle 1, cycle 5, and end of treatment, up to 27 weeks
|
Median estradiol, collected and assessed using established methods.
The reference range is 13-42 pg/mL for adult males.
|
Assessed cycle 1, cycle 5, and end of treatment, up to 27 weeks
|
Median Bicep Fat Fold Measurement
Time Frame: At baseline and end of treatment, up to 27 weeks
|
Median bicep fat fold measurement taken at baseline and end of treatment.
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At baseline and end of treatment, up to 27 weeks
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Median Tricep Fat Fold Measurement
Time Frame: At baseline and end of treatment, up to 27 weeks
|
Median tricep fat fold measurement taken at baseline and end of treatment.
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At baseline and end of treatment, up to 27 weeks
|
Median Shoulder Blade Fat Fold Measurement
Time Frame: At baseline and end of treatment, up to 27 weeks
|
Median shoulder blade fat fold measurement taken at baseline and end of treatment.
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At baseline and end of treatment, up to 27 weeks
|
Median Waist Fat Fold Measurement
Time Frame: At baseline and end of treatment, up to 27 weeks
|
Median waist fat fold measurement taken at baseline and end of treatment.
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At baseline and end of treatment, up to 27 weeks
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Median Waist Circumference
Time Frame: At baseline and end of treatment, up to 27 weeks
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Median waist circumference taken at baseline and end of treatment.
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At baseline and end of treatment, up to 27 weeks
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Median Weight
Time Frame: At baseline and end of treatment, up to 27 weeks
|
Median weight taken at baseline and end of treatment.
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At baseline and end of treatment, up to 27 weeks
|
Number of Participants With a Sleep Quality Score of 0 or 1
Time Frame: Measured at cycles 1, 3, and 5.
|
Sleep quality measure of the Pittsburgh Sleep Quality Index (PSQI) is scored from 0-3 [0=Very bad, 1=Fairly bad, 2=Fairly good, 3=Very good].
The higher the score, the better the sleep quality.
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Measured at cycles 1, 3, and 5.
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Urinary Incontinence Median Score
Time Frame: Measured at cycles 1, 3, and 5.
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Urinary incontinence evaluated using the Expanded-Prostate Index Composite - 26 (EPIC 26) EPIC-26 evaluates patient's urinary incontinence (4 items).
The 4 items are reported on a scale of 0 - 100.
A higher score indicates better urinary function.
|
Measured at cycles 1, 3, and 5.
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Urinary Irritation Median Score
Time Frame: Measured at cycles 1, 3, and 5.
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Urinary irritation evaluated using the Expanded-Prostate Index Composite - 26 (EPIC 26).
EPIC-26 evaluates urinary irritation/obstruction (4 items).
The final score from the 4 items is reported on a scale of 0 - 100.
A higher score indicates better urinary function.
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Measured at cycles 1, 3, and 5.
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Bowel Function Median Score
Time Frame: Measured at cycles 1, 3, and 5.
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Bowel function measure through the Expanded-Prostate Index Composite - 26 (EPIC 26).
EPIC-26 evaluates patient's bowel (6 items).
The 6 items are reported on a scale of 0 - 100.
A higher score indicates better urinary function.
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Measured at cycles 1, 3, and 5.
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Sexual Function Median Score
Time Frame: Measured at cycles 1, 3, and 5.
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Sexual function measure through The Expanded-Prostate Index Composite - 26 (EPIC 26).
EPIC-26 evaluates patient's sexual function (5 items).
The 5 items are reported on a scale of 0 - 100.A higher score indicates better urinary function.
|
Measured at cycles 1, 3, and 5.
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Hormone Function Median Score
Time Frame: Measured at cycles 1, 3, and 5.
|
Hormone function evaluated by the Expanded-Prostate Index Composite - 26 (EPIC 26).
EPIC-26 evaluates patient's hormonal function (5 items).
The 5 items are reported on a scale of 0 - 100.
A higher score indicates better urinary function.
|
Measured at cycles 1, 3, and 5.
|
Number of Participants With a Fatigue Score of 3 or 4
Time Frame: Cycles 1, 3, and 5
|
Feeling fatigue measure of the Patient-Reported Outcome Measurement Information System (PROMIS)-Fatigue Short Form is scored from 0-4 [0=Not at all, 1=A little bit, 2=Somewhat, 3=Quite a bit, 4=Very much].
The higher the score, the more fatigued the patient is.
|
Cycles 1, 3, and 5
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Median Collagen Type 1 C-Telopeptide
Time Frame: Measured at baseline, end of treatment, and at 3 month follow-up, up to 40 weeks
|
Median Collagen Type 1 C-Telopeptide is a biomarker for bone metabolism measured and analyzed using established methods.
Reference range for adult males is 60-1200 pg/mL
|
Measured at baseline, end of treatment, and at 3 month follow-up, up to 40 weeks
|
Median Bone-Specific Alkaline Phosphatase
Time Frame: Measured at baseline, end of treatment, and at 3 month follow-up, up to 40 weeks
|
Median Bone-Specific Alkaline Phosphatase is a biomarker for bone metabolism measured and analyzed using established methods.
Reference range for adult males is 7.5-69.8
ug/L
|
Measured at baseline, end of treatment, and at 3 month follow-up, up to 40 weeks
|
Median Procollagen Type II Intact N Terminal Propeptide
Time Frame: Measured at baseline, end of treatment, and at 3 month follow-up, up to 40 weeks
|
Median Procollagen Type II Intact N Terminal Propeptide is a biomarker for bone metabolism measured and analyzed using established methods.
Reference range for adult males is 22-87 ug/L
|
Measured at baseline, end of treatment, and at 3 month follow-up, up to 40 weeks
|
Collaborators and Investigators
Sponsor
Collaborators
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 13-444
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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