- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01946165
Abiraterone Acetate Plus LHRH Agonist and Abiraterone Acetate Plus LHRH Agonist and Enzalutamide
A Pre-Operative Study to Assess the Effects of Abiraterone Acetate Plus LHRH Agonist and Abiraterone Acetate Plus LHRH Agonist and Enzalutamide for Six Months for Prostate Cancer Patients at High-Risk for Recurrence
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Groups:
If you are found to be eligible to take part in this study, you will be randomly assigned (like the roll of dice) to 1 of 2 groups. You will have a 2 out of 3 chance of being assigned to Group A and a 1 out of 3 chance of being assigned to Group B.
If you are in Group A, you will receive hormonal therapy (LHRH), abiraterone acetate, prednisone, and enzalutamide.
If you are in Group B, you will receive LHRH, abiraterone acetate, and prednisone.
Study Drug Administration:
The study doctor will decide what hormone therapy you will receive, will explain when and how you should take it, and explain any risks.
In addition, you will take 4 abiraterone acetate tablets by mouth each day (all at the same time) at least 1 hour before a meal or 2 hours after a meal. You will also take 1 tablet of prednisone by mouth 1 time each day to help lower the risk of side effects caused by abiraterone acetate.
If you are in Group A, you will also take 4 capsules of enzalutamide by mouth each day. You should take enzalutamide at about the same time every morning. Enzalutamide can be taken with or without food. If you miss a dose, you should NOT take another dose until the next day. You should tell the study doctor as soon as possible if you miss a dose.
About every 28-days is called a cycle. You should return all unused study drug and/or empty pill bottles at the end of each cycle.
Study Visits:
On Day 1 of Cycle 1:
- You will have a physical exam.
- Blood (about 3-4 tablespoons) will be drawn for routine tests and to check your prostatic specific antigen (PSA) level.
On Day 15 of Cycles 1, 2 and 3, blood (about 2 tablespoons) will be drawn to check your liver function. These tests may be done at your local doctor's office and the results faxed to MD Anderson.
On Day 1 of Cycles 2, 3, 4, 5 and 6:
- You will have a physical exam.
- Blood (about 3-4 tablespoons) will be drawn for routine tests. This blood will also be used to check your PSA level.
The testing on Cycles 2, 4 and 6 may be done at your local doctor's office and the results faxed to MD Anderson.
Within 14 days before surgery and at your End of Treatment Visit:
- You will have a physical exam.
- Blood (about 3-4 tablespoons) and urine will be collected for routine tests. This blood will also be used to check your PSA level, your blood sugar levels, and blood-clotting function. You will be asked to fast for at least 8 hours before these blood draws.
- You will have a chest x-ray or a CT scan of the chest.
- You will have an EKG to check your heart function.
Surgery:
After 6 cycles of study treatment, you will have surgery to remove your prostate. You will be asked to sign a separate consent form for this surgery, and the risks will be discussed with you. Your leftover prostate gland tissue from surgery will be collected and used for biomarker testing.
About 4 to 8 weeks after your surgery:
- You will have a physical exam.
- Blood (about 3-4 tablespoons) drawn for routine tests. This blood will also be used to check your PSA, testosterone, cholesterol, and blood sugar levels.
Length of Study:
You may receive the study drugs for about 6 months. You will be taken off study early if the disease gets worse, if you have intolerable side effects, or if your study doctor thinks it is in your best interest to stop, or of you are unable to follow study directions.
Your participation on the study will be over once you have completed the visits after surgery.
This is an investigational study. Abiraterone acetate is FDA approved in combination with prednisone for the treatment of patients with metastatic castration-resistant prostate cancer who have received prior chemotherapy containing docetaxel. Prednisone is FDA approved and commercially available as a corticosteroid. Enzalutamide is FDA approved and commercially available for the treatment of certain types of prostate cancer. Their combination with hormone therapy in patients with prostate cancer is investigational.
Up to 69 patients will be enrolled in this study. All will be enrolled at MD Anderson.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
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Texas
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Houston, Texas, United States, 77030
- University of Texas MD Anderson Cancer Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Be willing/able to adhere to the prohibitions and restrictions specified in this protocol
- Have signed an informed consent document indicating that the subjects understand the purpose of and procedures required for the study and are willing to participate in the study
- Written Authorization for Use and Release of Health and Research Study Information has been obtained.
- Male age >/=18 years.
- Histologically or cytologically confirmed adenocarcinoma of the prostate with no histological variants (such as small cell, sarcomatoid, pure ductal cancer, transitional cell carcinoma).
- Pathology review at treating academic institution or member institution (Note: if patient's prostate biopsy was not read at the treating institution, it must be reviewed at the study site to confirm eligibility).
- At least three core biopsies involved with cancer (a minimum of 6 core biopsies must be obtained at baseline). A prostate biopsy within 3 months from screening is allowed for entry requirements. Patients must have a Gleason score > 5 (total).
- At least one of the following features: a) PSA > 10 ng/ml; b) PSA velocity > 2 ng/ml/year (defined as a rise in PSA of > 2 ng/ml in the preceding 12 month period); c) Gleason score >/= 7; d) Gleason score 6 if either PSA >/= 10 ng/ml or PSA velocity >/=2 ng/ml/year
- Serum testosterone >200 ng/dL. For patients treated with up to 1 month of LHRH agonist, a testosterone measurement prior to the LHRH treatment will be used to determine eligibility, and must have been > 200 ng/dL.
- Urologist must agree that patient is suitable for prostatectomy.
- No evidence of metastatic disease as determined by imaging procedures.
- Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1.
- Hemoglobin >/= 10.0 g/dL independent of transfusion.
- Platelet count >/=100,000/µL.
- Patients should have adequate bone marrow function defined as an absolute peripheral neutrophil count (ANC) >/= 1,500.
- Creatinine clearance >/= 60 mL/min
- Serum potassium >/= 3.5 mmol/L.
- Serum albumin >/= 3.5 g/dL.
- Liver function test with serum bilirubin </= 1.5x upper limit of normal (ULN) and ALT and AST </= 1.5x ULN.
- Able to swallow the study drug whole as a tablet.
- Patients must have normal coagulation profile and no history of substantial non- iatrogenic bleeding diathesis.
- Agree to use a double-barrier method of contraception which involves the use of a condom in combination with one of the following: contraceptive sponge, diaphragm, or cervical ring with spermicidal gel or foam, if having sex with a woman of child-bearing potential during the length of the study and for one week after abiraterone is discontinued and for at least three months after enzalutamide is discontinued.
- Willing to take abiraterone acetate on an empty stomach; no food should be consumed at least two hours before and for at least one hour after the dose of abiraterone acetate is taken.
Exclusion Criteria:
- Serious or uncontrolled co-existent non-malignant disease, including active and uncontrolled infection.
- Chronically uncontrolled hypertension, defined conventionally as consistent systolic pressures above 140 or diastolic pressures above 90 despite anti-hypertensive therapy. Note that this is NOT a criterion related to particular BP results at the time of assessment for eligibility, nor does it apply to acute BP excursions that are related to iatrogenic causes, acute pain or other transient, reversible causes.
- Requirement for corticosteroids greater than the equivalent of 5 mg of prednisone daily.
- Poorly controlled diabetes defined by Hemoglobin A1C > 7.0 at screening.
- Active or symptomatic viral hepatitis or chronic liver disease.
- History of pituitary or adrenal dysfunction.
- Clinically significant cardiovascular disease including: a) Myocardial infarction within 6 months of Screening visit; b) Uncontrolled angina within 3 months of Screening visit; c) Congestive heart failure New York Heart Association (NYHA) class 3 or 4, or subjects with history of congestive heart failure NYHA class 3 or 4 in the past, or history of anthracycline or anthracenedione (mitoxantrone) treatment, unless a screening echocardiogram or multi-gated acquisition scan (MUGA) performed within three months of the Screening visit results in a left ventricular ejection fraction that is >/= 50%; d) History of clinically significant ventricular arrhythmias (e.g., ventricular tachycardia, ventricular fibrillation, torsade de pointes); e) Prolonged corrected QT interval by the Fridericia correction formula (QTcF) on the screening Electrocardiogram (ECG) > 470 msec; f) History of Mobitz II second degree or third degree heart block without a permanent pacemaker in place;
- (Exclusion #7 continued): g) Hypotension (systolic blood pressure < 86 mmHg or bradycardia with a heart rate of <50 beats per minute on the Screening ECG, unless pharmaceutically induced and thus reversible (i.e. beta blockers).
- Other malignancy, except non-melanoma skin cancer, that is active or has a >/= 30% probability of recurrence within 12 months.
- History of gastrointestinal disorders (medical disorders or extensive surgery) which may interfere with the absorption of the study drug.
- Prior hormone therapy for prostate cancer including orchiectomy, antiandrogens, ketoconazole, or estrogens (5-alpha reductase inhibitors allowed), or LHRH agonists/antagonists (*Note: LHRH allowed if begun within 1 month of Day 1). Patients having previous or current antiandrogen treatment of greater than 4 weeks in duration prior to Cycle 1 Day 1 are eligible with appropriate washout.
- Prior systemic treatment with an azole drug within four weeks of Cycle 1 Day1.
- Current enrollment in an investigational drug or device study or participation in such a study within 30 days of Cycle 1 Day 1.
- Allergies, hypersensitivity, or intolerance to prednisone, LHRH analog or excipients of prednisone LHRH analog, and abiraterone acetate and enzalutamide.
- Previous use of abiraterone acetate or other investigational CYP17 inhibitor (e.g., TAK-700).
- Previous investigational antiandrogens (e.g., Enzalutamide, BMS-641988).
- Patients receiving anti-coagulant therapy who are unable to stop prior to surgery.
- Condition or situation which, in the investigator's opinion, may put the patient at significant risk, may confound the study results, or may interfere significantly with patient's participation in the study.
- Severely compromised immunological state, including being positive for the human immunodeficiency virus (HIV).
- Patients who are not appropriate surgical candidates for radical prostatectomy based on the evaluation of co-existent medical diseases and competing potential causes of death (such as but not limited to, unstable angina, myocardial infarction within the previous 6 months, or use of ongoing maintenance therapy for life-threatening ventricular arrhythmia, uncontrolled hypertension).
- Prior chemotherapy, radiation or immune therapy for prostate cancer.
- Patients unable to tolerate transrectal ultrasound.
- Concomitant therapy with any of the following: a) Chemotherapeutic, biologic, or other agents with anti-tumor activity against prostate cancer other than assigned study drug; b) Anti-androgens (steroidal or non-steroidal) such as cyproterone acetate, flutamide, nilutamide, bicalutamide, etc. other than assigned study drug; c) 5-alpha reductase inhibitors such as finasteride, dutasteride, anabolic steroids, etc.; d) Estrogens, progestational agents such as megestrol, medroxyprogesterone, DES, cyproterone, spironolactone > 50 mg/kg, etc.; e) Androgens such as testosterone, dehydroepiandrosterone [DHEA], etc.; f) Ketoconazole; g) Herbal products that may decrease PSA levels (e.g., saw palmetto)
- Active infection or other medical condition that would make prednisone/ prednisolone (corticosteroid) use contraindicated.
- Severe hepatic impairment (Child-Pugh Class C).
- History of seizure or any condition that may predispose to seizure including, but not limited to underlying brain injury, stroke, primary brain tumors, brain metastases, or alcoholism. Also, history of loss of consciousness or transient ischemic attack within 12 months of enrollment (Day 1 visit).
- History of significant bleeding disorder unrelated to cancer, including: a) Diagnosed congenital bleeding disorders (e.g., von Willebrand's disease); b) Diagnosed acquired bleeding disorder within one year (e.g., acquired anti-factor VIII antibodies) of Screening visit; c) History of GI bleeding within 6 months of Screening visit.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: Abiraterone Acetate + Prednisone + Enzalutamide + LHRHa
Patients receive abiraterone acetate (1,000 mg daily) plus prednisone (5mg once daily) in combination with enzalutamide (160 mg daily) and LHRHa.
Patients receive a LHRHa (monthly injection or three-month injection) for a maximum of 7 months before a prostatectomy is performed.
Study doctor will decide what hormone therapy patient receives.
|
1,000 mg by mouth daily for each 28 day cycle.
Other Names:
5 mg by mouth once daily for each 28 day cycle.
160 mg by mouth daily for each 28 day cycle.
Other Names:
Patients receive a LHRHa (monthly injection or three-month injection) for a maximum of 7 months before a prostatectomy is performed.
Study doctor will decide what hormone therapy patient receives.
|
EXPERIMENTAL: Abiraterone Acetate + Prednisone + LHRHa
Patients receive abiraterone acetate (1,000 mg daily) plus prednisone (5mg once daily) and LHRHa.
Patients receive a LHRHa (monthly injection or three-month injection) for a maximum of 7 months before a prostatectomy is performed.
Study doctor will decide what hormone therapy patient receives.
|
1,000 mg by mouth daily for each 28 day cycle.
Other Names:
5 mg by mouth once daily for each 28 day cycle.
Patients receive a LHRHa (monthly injection or three-month injection) for a maximum of 7 months before a prostatectomy is performed.
Study doctor will decide what hormone therapy patient receives.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Proportion of Participants With Pathologic Stage Less Than or Equal to ypT2N0
Time Frame: For all participants who underwent surgery, from start of treatment until surgery is completed
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The proportion of participants with pathologic stage less than or equal to ypT2N0 will be descriptively summarized and compared between the two treatment arms.
The proportion will be calculated as the number of patients with less than or equal to ypT2N0 in each treatment arm divided by the total number of patients who underwent surgery in the same arm.
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For all participants who underwent surgery, from start of treatment until surgery is completed
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Proportion of Participants With Positive Surgical Margins
Time Frame: For both groups, tumor samples collected at baseline and during surgery.
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The difference in the rate of positive surgical margins between the two groups will be descriptively summarized.
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For both groups, tumor samples collected at baseline and during surgery.
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Collaborators and Investigators
Sponsor
Publications and helpful links
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 (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Neoplasms
- Urogenital Neoplasms
- Neoplasms by Site
- Genital Neoplasms, Male
- Prostatic Diseases
- Prostatic Neoplasms
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Anti-Inflammatory Agents
- Antineoplastic Agents
- Glucocorticoids
- Hormones
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Antineoplastic Agents, Hormonal
- Cytochrome P-450 Enzyme Inhibitors
- Hormone Antagonists
- Steroid Synthesis Inhibitors
- Prednisone
- Abiraterone Acetate
Other Study ID Numbers
- 2013-0332
- NCI-2014-01041 (REGISTRY: NCI CTRP)
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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