- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00002760
Antiandrogen Withdrawal in Treating Patients With Hormone-Refractory Prostate Cancer
A PHASE III TWO-ARM RANDOMIZED STUDY COMPARING ANTIANDROGEN WITHDRAWAL ALONE VERSUS ANTIANDROGEN WITHDRAWAL COMBINED WITH KETOCONAZOLE AND HYDROCORTISON IN PATIENTS WITH ADVANCED PROSTAGE CANCER
RATIONALE: Antiandrogen withdrawal may be an effective treatment for prostate cancer.
PURPOSE: Randomized phase III trial to study the effectiveness of ketoconazole and hydrocortisone for antiandrogen withdrawal in treating men with prostate cancer that is refractory to hormone therapy.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
OBJECTIVES: I. Compare the response rate and duration of response to antiandrogen withdrawal alone vs. antiandrogen withdrawal plus ketoconazole/hydrocortisone in patients with advanced hormone-refractory prostate cancer. II. Compare the response rate and duration of response to ketoconazole/hydrocortisone in patients treated with previous vs. simultaneous antiandrogen withdrawal. III. Evaluate the proportion of patients with circulating prostate cancer cells identified by reverse transcriptase-polymerase chain reaction (rt-PCR). IV. Determine whether rt-PCR positively correlates with response. V. Compare the likelihood of response to these regimens in patients whose prior hormonal therapy consisted of initial combined androgen blockage vs. initial monotherapy followed later by an antiandrogen. VI. Correlate adrenal androgen synthesis suppression, as measured by levels of various adrenal androgens, with response.
OUTLINE: Randomized study. Patients who develop progressive disease on Arm I cross to Arm II. Arm I: Antiandrogen Withdrawal. Antiandrogen stopped. Arm II: Antiandrogen Withdrawal plus Adrenal Androgen Blockade. Antiandrogen stopped; plus Ketoconazole, KCZ; Hydrocortisone, HC, NSC-10483.
PROJECTED ACCRUAL: Approximately 250 patients will be entered over 3 years to attain 238 eligible patients (including 25-40 minority patients).
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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California
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San Francisco, California, United States, 94115-0128
- UCSF Cancer Center and Cancer Research Institute
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Minnesota
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Minneapolis, Minnesota, United States, 55455
- University of Minnesota Cancer Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
DISEASE CHARACTERISTICS: Histologically diagnosed adenocarcinoma of the prostate Progressive metastatic or regional nodal disease after at least 4 weeks on flutamide, bicalutamide, or nilutamide, i.e.: Greater than 25% increase in sum of products of perpendicular diameters of all measurable lesions not previously irradiated OR Prostate-specific antigen (PSA) at least 5 ng/mL and risen from baseline on at least 2 successive occasions at least 2 weeks apart PSA progression required for "bone only" disease or disease that responded to androgen deprivation and is negative on imaging scans at entry Primary testicular androgen suppression with a luteinizing hormone-releasing hormone (LHRH) analogue plus antiandrogen or by orchiectomy required Intermittent LHRH analog/antiandrogen therapy resumed at least 4 weeks prior to and continued at time of entry LHRH analogue continued throughout study in absence of orchiectomy
PATIENT CHARACTERISTICS: Age: Any age Performance status: 0-2 Hematopoietic: Not specified Hepatic: Bilirubin no greater than 1.5 times normal AST no greater than 3 times normal Renal: Not specified Other: No active, uncontrolled condition including: Bacterial, viral, or fungal infection Hyperglycemia Gastric or duodenal ulcer No existing medical condition requiring systemic corticosteroids (inhaled and topical steroids allowed) No concurrent use of the following: Terfenadine Astemizole Cisapride
PRIOR CONCURRENT THERAPY: No prior therapy with experimental agents for metastatic disease Biologic therapy: No prior immunotherapy for metastatic disease Chemotherapy: No prior estramustine or other chemotherapy for metastatic disease Endocrine therapy: See Disease Characteristics No prior hormonal therapy for metastatic disease No prior aminoglutethimide No prior ketoconazole No prior hydrocortisone or other corticosteroids Prior experimental hormonal therapy requires approval of study chair Radiotherapy: At least 4 weeks since radiotherapy (8 weeks since strontium therapy) Surgery: Orchiectomy allowed
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 |
---|---|
Other: Antiandrogen withdrawal
antiandrogen therapy withdrawn; patient who progress will be "crossed over" to Arm 1A: 400 mg ketoconazole PO tid and hydrocortisone 30 mgs PO q am and 10 mgs PO qhs until treatment is no longer effective
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no drugs given
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Active Comparator: Antiandrogen withdrawal + therapy
Ketoconazole and hydrocortisone
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400 mg PO tid for as long as treatment is effective
hydrocortisone 30 mg PO q am and 10 mg PO qhs for as long as treatment is effective
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Response: PSA
Time Frame: q 8 wks, at cross over (if applicable), at progression; q 6 mon in f/u
|
q 8 wks, at cross over (if applicable), at progression; q 6 mon in f/u
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Circulating prostate cancer cells
Time Frame: Pre treatment, 1 time
|
Circulating prostate cancer cells as detected by rt-PCR will be correlated with outcomes
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Pre treatment, 1 time
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Adrenal androgen synthesis suppression
Time Frame: pre tx, after 1 and 3 months tx, at progression
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Adrenal androgen synthesis suppression will be assessed vs response
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pre tx, after 1 and 3 months tx, at progression
|
Collaborators and Investigators
Collaborators
Investigators
- Study Chair: Eric Small, MD, University of California, San Francisco
Publications and helpful links
General Publications
- D'Amico AV, Halabi S, Vogelzang NJ, et al.: A reduction in the rate of PSA rise following chemotherapy in patients with metastatic hormone refractory prostate cancer (HRPC) predicts survival: results of a pooled analysis of CALGB HRPC trials. [Abstract] J Clin Oncol 22 (Suppl 14): A-4506, 383s, 2004.
- Halabi S, Small EJ, Kantoff PW, Kattan MW, Kaplan EB, Dawson NA, Levine EG, Blumenstein BA, Vogelzang NJ. Prognostic model for predicting survival in men with hormone-refractory metastatic prostate cancer. J Clin Oncol. 2003 Apr 1;21(7):1232-7. doi: 10.1200/JCO.2003.06.100. Erratum In: J Clin Oncol. 2004 Aug 15;22(16):3434.
- Gilligan TD, Halabi S, Kantoff PW, et al.: African-American race is associated with longer survival in patients with metastatic hormone-refractory prostate cancer (HRCaP) in four randomized phase III Cancer and Leukemia Group B (CALGB) trials. [Abstract] Proceedings of the American Society of Clinical Oncology 21: A-725, 2002.
- Ryan CJ, Halabi S, Ou SS, Vogelzang NJ, Kantoff P, Small EJ. Adrenal androgen levels as predictors of outcome in prostate cancer patients treated with ketoconazole plus antiandrogen withdrawal: results from a cancer and leukemia group B study. Clin Cancer Res. 2007 Apr 1;13(7):2030-7. doi: 10.1158/1078-0432.CCR-06-2344.
- Ryan CJ, Halabi S, Kaplan E, et al.: Use of adrenal androgen levels to predict response to ketoconazole in patients with androgen independent prostate cancer: results from CALGB 9583. [Abstract] J Clin Oncol 22 (Suppl 14): A-4558, 396s, 2004.
- Small EJ, Halabi S, Dawson NA, Stadler WM, Rini BI, Picus J, Gable P, Torti FM, Kaplan E, Vogelzang NJ. Antiandrogen withdrawal alone or in combination with ketoconazole in androgen-independent prostate cancer patients: a phase III trial (CALGB 9583). J Clin Oncol. 2004 Mar 15;22(6):1025-33. doi: 10.1200/JCO.2004.06.037.
- Halabi S, Small EJ, Hayes DF, Vogelzang NJ, Kantoff PW. Prognostic significance of reverse transcriptase polymerase chain reaction for prostate-specific antigen in metastatic prostate cancer: a nested study within CALGB 9583. J Clin Oncol. 2003 Feb 1;21(3):490-5. doi: 10.1200/JCO.2003.04.104.
- Halabi S, Small E, Farmer D, et al.: Reverse transcriptase polymerase chain reaction (RT-PCR) for prostate specific antigen (PSA) as a prognostic factor for survival among androgen independent prostate cancer patients (AICaP): a companion study to CALGB 9583. [Abstract] Proceedings of the American Society of Clinical Oncology 20: A-700, 2001.
- Vogelzang NV, Halabi S, Picus J, et al.: Prospective assessment of adrenal androgen levels as predictors of survival in androgen independent prostate cancer patients treated with ketoconazole: a correlative study to CALGB protocol 9583. [Abstract] Proceedings of the American Society of Clinical Oncology 20: A-749, 2001.
Study record dates
Study Major Dates
Study Start
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
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
- Anti-Infective Agents
- Enzyme Inhibitors
- Anti-Inflammatory Agents
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Cytochrome P-450 CYP3A Inhibitors
- Cytochrome P-450 Enzyme Inhibitors
- Hormone Antagonists
- Antifungal Agents
- Steroid Synthesis Inhibitors
- 14-alpha Demethylase Inhibitors
- Ketoconazole
- Hydrocortisone
- Hydrocortisone 17-butyrate 21-propionate
- Hydrocortisone acetate
- Hydrocortisone hemisuccinate
- Androgen Antagonists
Other Study ID Numbers
- CALGB-9583
- U10CA031946 (U.S. NIH Grant/Contract)
- CLB-9583
- CDR0000064708 (Registry Identifier: NCI Physician Data Query)
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