- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00536991
Calcitriol in Combination With Ketoconazole and Therapeutic Hydrocortisone in Treating Patients With Prostate Cancer
A Phase I/II Study of Oral Calcitriol in Combination With Ketoconazole in Androgen Independent Prostate Cancer
Study Overview
Status
Conditions
Detailed Description
PRIMARY OBJECTIVES:
I. To determine the maximum tolerated dose (MTD) of oral calcitriol daily x 3 consecutive days a week in combination with oral ketoconazole (400 mg thrice daily [TID]) + oral hydrocortisone (20 mg AM, 10 mg PM) in men with androgen independent prostate cancer (AIPC). (Phase I) II. To estimate the prostate-specific antigen (PSA) response rate. (Phase II)
SECONDARY OBJECTIVES:
I. To evaluate the pharmacokinetics of the phase II dose of oral calcitriol with and without ketoconazole (400 mg TID).
II. Describe any objective tumor responses to the combination of oral calcitriol and ketoconazole and hydrocortisone among patients with measurable disease using the Response Evaluation Criteria in Solid Tumors (RECIST) criteria.
III. Determine toxicities and tolerability of oral calcitriol combination with daily oral ketoconazole and hydrocortisone.
OUTLINE: This is a phase I, dose-escalation study of calcitriol followed by a phase II study.
PHASE I: Patients receive calcitriol orally (PO) once daily (QD) on days 1-3, 8-10, 15-17, and 22-24. Patients also receive ketoconazole PO TID on days 1-24 and therapeutic hydrocortisone PO twice daily (BID) on days -1 to 24. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.
PHASE II: Patients receive calcitriol and therapeutic hydrocortisone as in phase I. Patients also receive ketoconazole PO TID on days 4-24. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed up for 30 days.
Study Type
Enrollment (Actual)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Locations
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-
New York
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Buffalo, New York, United States, 14263
- Roswell Park Cancer Institute
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Histologically or cytologically confirmed adenocarcinoma consistent clinically with androgen independent prostate cancer
- Measurable disease with elevated PSA or evaluable disease (PSA elevation will constitute evaluable disease)
- =< 2 regimens of cytotoxic chemotherapy prior to study entry; retinoids, vitamin D analogues, peroxisome proliferator-activated receptor (PPAR) gamma agonists or antagonists, antiandrogens, progestational agents, estrogens, prostate cancer (PC)-SPES, luteinizing hormone-releasing hormone (LHRH)-analogues, vaccines, cytokines will not be considered "cytotoxics"; patients who have previously received ketoconazole + glucocorticoids will be eligible for this trial
- Patients who have received antiandrogens or progestational agents as therapy for prostate cancer must discontinue therapy and demonstrate a rising PSA >= 28 days following discontinuation (antiandrogen withdrawal- AAW) (>= 42 days for bicalutamide or nilutamide); patients who receive megestrol acetate as therapy for "hot flashes" at a dose of =< 40 mg per day may continue this therapy during this trial; the dose of the megestrol acetate should not be changed during protocol treatment; patients undergoing androgen deprivation using LHRH analogues must continue such agents or undergo orchiectomy to maintain castrate levels of testosterone
- Patients must have prostate cancer that is advanced or recurrent and for which standard curative or reliable palliative therapies do not exist or are no longer effective
- Patients should not have received any chemotherapy or investigational agents for at least 4 weeks before entering the study (6 weeks for nitrosoureas or mitomycin C)
- Eastern Clinical Oncology Group performance status =< 2 (Karnofsky >= 60%)
- Life expectancy > 3 months
- Leukocytes: >= 3,000/ul
- Hemoglobin: >= 8 g/dl
- Absolute neutrophil count (ANC): >= 1,500/ul
- Platelets: >= 75,000/ul
- Total bilirubin: within normal institutional limit
- Aspartate aminotransferase (AST)/alanine aminotransferase (ALT): =< 2.5 x institutional upper limit of normal
- Creatine: =< 2 mg/dL
- Calcium: not above normal institutional limit
- Patients should be able to receive oral medications
- Patients with brain metastases which are stable and have been treated with surgery or irradiation will be eligible for this trial
- 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; should a woman become pregnant or suspect she is pregnant while her partner is participating in this study, she should inform the treating physician immediately
- Ability to understand and the willingness to sign a written informed consent document
- PHASE II - GROUP B: Progressive disease must have occurred on abiraterone within the prior 12 months and patient has not received treatment with enzalutamide
- Men of all ethnic groups are eligible for this trial; efforts will be made to include minority groups and all representative ethnicities and races in the community serviced by Roswell Park Cancer Institute (RPCI)
Exclusion Criteria:
- Known severe hypersensitivity to ketoconazole, calcitriol or any of the excipients of these products
- History of allergic reactions attributed to compounds of similar chemical or biologic composition to calcitriol, ketoconazole, or other agents used in study
- Evidence of any other significant clinical disorder or laboratory finding that makes it undesirable for the patient to participate in the trial
- History of kidney, ureteral, or bladder stones within the last 5 years
- Heart failure or significant heart disease including significant arrhythmias, myocardial infarction within the last 3 months, unstable angina, documented ejection fraction < 30%, or current digoxin therapy
- Thiazide therapy within 7 days from entering the study
- Requirement for concurrent systemic glucocorticoid therapy at greater than physiologic replacement doses
- Unwillingness to stop calcium supplementation
- As judged by the investigator, any evidence of severe or uncontrolled systemic disease (e.g., unstable or uncompensated respiratory, cardiac, hepatic, or renal disease) or intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would lit compliance with study requirements
- Human immunodeficiency virus-positive patients receiving combination anti-retroviral therapy are excluded from the study
- Concomitant use of phenytoin, carbamazepine, barbiturates, rifampicin, phenobarbital, or St John's wort, alfentanil, alfuzosin, almotriptan, alprazolam, amiodarone, amitriptyline, amprenavir, aprepitant, aripiprazole, bepridil, bortezomib, bosentan, budesonide, buprenorphine, buspirone, carbamazepine, cilostazol, cisapride, cyclosporine, delavirdine, didanosine, digoxin, disopyramide dofetilide, donepezil, eletriptan, eplerenone, fluticasone, fosamprenavir, galantamine, systemic griseofulvin, indinavir, levobupivacaine, lopinavir, midazolam, mifepristone, modafinil, nateglinide, nefazodone, nelfinavir, oxcarbazepine, pimozide, quetiapine, quinidine, repaglinide, rifabutin, rifampin, rifapentine, ritonavir, saquinavir, sildenafil, sirolimus, tacrolimus, tadalafil, tolterodine, theophyllines, tolterodine, triazolam, valdecoxib, vardenafil, ziprasidone, zonisamide, statins, with the exception of pravastatin (Pravachol) or other "statins" which are not metabolized by or induce cytochrome P450, family 3, subfamily A, polypeptide 4 (CYP3A4), calcium channel blockers, Coumadin and macrolides or other agents that will be significantly perturbed in a clinically important way by the P450 inhibitory properties of ketoconazole
- Concomitant use of proton pump inhibitors or histamine (H)2 blockers
- Treatment with a non-approved or investigational drug or agent within 30 days before day 1 of trial treatment
- Any unresolved chronic toxicity greater then Common Terminology Criteria (CTC) grade 2 from previous anticancer therapy
- Incomplete healing from previous oncologic treatments or other major surgery
- Inability to swallow oral capsules
- Patients on digoxin will be excluded from this study
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: Treatment (calcitriol, ketoconazole, hydrocortisone)
PHASE I: Patients receive calcitriol PO QD on days 1-3, 8-10, 15-17, and 22-24. Patients also receive ketoconazole PO TID on days 1-24 and therapeutic hydrocortisone PO BID on days -1 to 24. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. PHASE II: Patients receive calcitriol and therapeutic hydrocortisone as in phase I. Patients also receive ketoconazole PO TID on days 4-24. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. |
Correlative studies
Correlative studies
Given PO
Other Names:
Given PO
Other Names:
Given PO
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Determine the Maximum Tolerated Dose (MTD)
Time Frame: up to 11 years
|
Determine the maximum tolerated dose (MTD) of oral calcitriol daily x 3 consecutive days a week in combination with oral ketoconazole (400 mg thrice daily [TID]) + oral hydrocortisone (20 mg AM, 10 mg PM)
|
up to 11 years
|
PSA Response Rate
Time Frame: Up to 11 years
|
Patients will be considered evaluable for PSA response if they have at least two post-baseline PSA measurements at least 4 weeks apart, or if they have other evidence of disease progression.
A PSA response will be considered a PSA decline of at least 50% must be confirmed by a second PSA value four or more weeks later.
The reference PSA for these declines should be a PSA measured within 2 weeks prior to the initiation of therapy.
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Up to 11 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Incidence of Toxicity Graded According to the National Cancer Institute CTC Version 3.0
Time Frame: Up to 11 years
|
Count of participants with serious adverse event.
Please refer to the adverse event reporting for more detail.
|
Up to 11 years
|
Objective Tumor Response, Assessed by RECIST
Time Frame: Up to 11 years
|
Judged by monthly physical exam and radiographic evaluation.
Patients will be considered evaluable for tumor response if they have at least two post-baseline tumor assessments at least 4 weeks apart, received study medication for 8 weeks or if they have evidence of disease progression.
Per Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.0) for target lesions and assessed by MRI: Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), >=30% decrease in the sum of the longest diameter of target lesions; Overall Response (OR) = CR + PR.
|
Up to 11 years
|
Collaborators and Investigators
Sponsor
Collaborators
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
- Anti-Infective Agents
- Enzyme Inhibitors
- Anti-Inflammatory Agents
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Micronutrients
- Membrane Transport Modulators
- Cytochrome P-450 CYP3A Inhibitors
- Cytochrome P-450 Enzyme Inhibitors
- Hormone Antagonists
- Vitamins
- Bone Density Conservation Agents
- Calcium-Regulating Hormones and Agents
- Antifungal Agents
- Steroid Synthesis Inhibitors
- 14-alpha Demethylase Inhibitors
- Vasoconstrictor Agents
- Calcium Channel Agonists
- Ketoconazole
- Hydrocortisone
- Hydrocortisone 17-butyrate 21-propionate
- Hydrocortisone acetate
- Hydrocortisone hemisuccinate
- Calcitriol
- Dihydroxycholecalciferols
Other Study ID Numbers
- I 68905 (Other Identifier: Roswell Park Cancer Institute)
- NCI-2011-00129 (Registry Identifier: CTRP (Clinical Trial Reporting Program))
- RPCI-I-68905
- P30CA016056 (U.S. NIH Grant/Contract)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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