- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00017576
Calcitriol and Carboplatin in Treating Patients With Stage IV Prostate Cancer That Has Not Responded to Hormone Therapy
Phase II Study of Calcitrol Enhanced Carboplatin in Hormone Refractory Prostate Cancer
RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Calcitriol may help carboplatin kill more cancer cells by making tumor cells more sensitive to the drug.
PURPOSE: Phase II trial to study the effectiveness of carboplatin plus calcitriol in treating patients who have prostate cancer that has not responded to hormone therapy.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
OBJECTIVES: I. Determine the response in patients with androgen-independent prostate cancer treated with calcitriol and carboplatin. II. Determine the palliative response in patients with cancer-related pain treated with this regimen. III. Determine the response in patients with bidimensionally measurable disease treated with this regimen. IV. Determine the duration of prostate-specific antigen, palliative, and measurable disease responses in patients treated with this regimen. V. Determine the survival of patients treated with this regimen. VI. Assess the quality of life of patients treated with this regimen. VII. Determine the qualitative and quantitative toxic effects of this regimen in these patients.
OUTLINE: Patients receive oral calcitriol on day 1 and carboplatin IV over 60 minutes on day 2. Treatment repeats every 28 days in the absence of unacceptable toxicity or disease progression. Quality of life is assessed at baseline and then every 4 weeks until disease progression. Patients are followed every 4 weeks until disease progression and then every 3 months thereafter.
PROJECTED ACCRUAL: A total of 18-36 patients will be accrued for this study.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Oregon
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Portland, Oregon, United States, 97201-3098
- OHSU Knight Cancer Institute
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
DISEASE CHARACTERISTICS: Histologically or cytologically confirmed adenocarcinoma of the prostate Stage IV Evidence of progression despite standard hormonal management including antiandrogen withdrawal, defined as 1 of the following: Development of new metastatic lesions Increase in cancer-related pain A 50% rise in prostate-specific antigen (PSA) levels confirmed by 2 measurements at least 2 weeks apart PSA at least 5 ng/mL Testosterone less than 50 ng/mL
PATIENT CHARACTERISTICS: Age: 18 and over Performance status: ECOG 0-1 Life expectancy: At least 3 months Hematopoietic: WBC at least 3,000/mm3 Neutrophil count at least 1,500/mm3 Platelet count at least 100,000/mm3 Hepatic: Bilirubin no greater than 2.0 mg/dL Renal: Creatinine no greater than 1.3 mg/dL Calcium no greater than 10.5 mg/dL Phosphorus no greater than 4.2 mg/dL No kidney stones within the past 5 years No history of cancer-related hypercalcemia Cardiovascular: No uncontrolled heart failure Other: No other malignancy within the past 5 years except nonmelanoma skin cancer No significant active medical illness that would preclude study Fertile patients must use effective contraception
PRIOR CONCURRENT THERAPY: Biologic therapy: Not specified Chemotherapy: No more than 1 type of prior chemotherapy for prostate cancer No prior carboplatin or cisplatin for prostate cancer Endocrine therapy: See Disease Characteristics At least 4 weeks since prior flutamide or nilutamide (6 weeks for bicalutamide) Concurrent primary hormonal therapy allowed (e.g., gonadotropin-releasing hormone agonist or antagonist) Radiotherapy: At least 1 month since prior radiotherapy At least 2 months since prior strontium chloride Sr 89 or samarium Sm 153 lexidronam pentasodium Surgery: Concurrent orchiectomy allowed Other: At least 7 days since prior thiazide diuretic At least 30 days since prior investigational therapy No prior calcitriol for prostate cancer No concurrent magnesium-containing antacids, bile-resin binders, or calcium supplements
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
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PSA response rate defined as 50% decrease from baseline, confirmed on a second measurement 4 weeks later
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Study Chair: Tomasz M. Beer, MD, OHSU Knight Cancer Institute
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 (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
- Prostatic Neoplasms
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Antineoplastic Agents
- Micronutrients
- Membrane Transport Modulators
- Vitamins
- Bone Density Conservation Agents
- Calcium-Regulating Hormones and Agents
- Vasoconstrictor Agents
- Calcium Channel Agonists
- Carboplatin
- Calcitriol
Other Study ID Numbers
- CDR0000068720
- OHSU-6218
- OHSU-HOR-00059-L
- NCI-G01-1963
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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