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Phase I/II Study of Docetaxel, Prednisone, and Vatalanib in Patients With Chemotherapy-Naive, Metastatic, Hormone-Refractory Prostate Cancer
Alternate Title Basic Trial Information Objectives Entry Criteria Expected Enrollment Outcomes Outline Trial Contact Information Registry Information
Alternate Title
Docetaxel, Prednisone, and Vatalanib in Treating Patients With Advanced Prostate Cancer
Basic Trial Information
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Phase
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Type
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Status
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Age
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Sponsor
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Protocol IDs
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Phase II, Phase I
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Treatment
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Closed
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Over 18
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NCI
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UCSF-04557 NCT00293371
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Objectives Primary - Determine the dose-limiting toxicities and maximum tolerated dose of vatalanib when used in combination with docetaxel and prednisone in patients with chemotherapy-naive, metastatic, hormone-refractory prostate cancer. (phase I)
Secondary - Determine alterations in pharmacokinetics of docetaxel and vatalanib in these patients. (phase I)
- Determine the clinical efficacy of this regimen as measured by declines in prostate-specific antigen, measurable disease response, time to progression, and overall survival. (phase II)
Entry Criteria Disease Characteristics:
- Histologically documented adenocarcinoma of the prostate
- Progressive, systemic (metastatic) disease despite castrate levels of testosterone due to orchiectomy or luteinizing-hormone releasing hormone (LHRH) agonist, meeting 1 of the following criteria:
- Measurable disease, defined as any lesion that can be accurately measured in at least 1 dimension ≥ 2 cm by conventional techniques or ≥ 1 cm by spiral CT scan or MRI
- Nonmeasurable disease with PSA ≥ 5 ng/mL
- Bone lesions
- Pleural or pericardial effusions, ascites
- CNS lesions, leptomeningeal disease
- Irradiated lesions, unless progression documented after radiotherapy
- No PSA ≥ 5 ng/mL as only evidence of disease
- PSA evidence for progressive prostate cancer consists of a PSA level ≥ 5 ng/mL that has risen on ≥ 2 successive occasions, ≥ 2 weeks apart
- Castrate levels of testosterone (< 50 ng/dL) must be maintained
- If no prior orchiectomy, patients must remain on testicular androgen suppression (e.g., with an LHRH analogue)
- Patients receiving an antiandrogen as part of primary androgen ablation must demonstrate disease progression after discontinuation of antiandrogen
- Disease progression after antiandrogen withdrawal is defined as 2 consecutive rising PSA values, obtained at least 2 weeks apart, or documented osseous or soft tissue progression
- For patients receiving flutamide or megestrol acetate, at least 1 of the PSA values must be obtained 4 weeks or more after flutamide/megestrol acetate discontinuation
- For patients receiving bicalutamide or nilutamide, at least 1 of the PSA values must be obtained 6 weeks or more after antiandrogen discontinuation
- If improvement after antiandrogen withdrawal is noted, disease progression must be established
- No pleural effusion or ascites that causes respiratory compromise ( ≥ grade 2 dyspnea)
- No history of CNS disease, including primary brain tumor, seizures, or carcinomatous meningitis
Prior/Concurrent Therapy:
- See Disease Characteristics
- No grapefruit or grapefruit juice during study treatment
- No history of gastrectomy/small bowel resection
- At least 4 weeks since prior hormonal therapy, including ketoconazole, aminoglutethimide, systemic steroids (any dose), and megestrol acetate (any dose)
- At least 4 weeks since prior drug or herbal product known to decrease PSA levels (e.g., finasteride, saw palmetto, or PC-SPES)
- At least 4 weeks since prior major surgery and fully recovered
- At least 4 weeks since prior radiation therapy and fully recovered
- At least 8 weeks since the last dose of prior strontium chloride Sr 89 or samarium Sm 153 lexidronam pentasodium
- Patients receiving bisphosphonate therapy prior to initiating protocol treatment must have received bisphosphonates for at least the past month
- No bisphosphonate initiation for 1 month prior to and during study treatment
- No prior systemic chemotherapy for prostate cancer
- No prior antiangiogenic agents (thalidomide, bevacizumab)
- No other concurrent chemotherapy, investigational agents, radiotherapy (including palliative), or biologic therapy
- No biologic therapy or immunotherapy ≤ 4 weeks prior to study treatment
- No more than 1 prior therapy with an investigational agent, completed ≥ 4 weeks prior to study treatment
- No concurrent combination antiretroviral therapy for HIV-positive patients
- No concurrent therapeutic warfarin or similar oral anticoagulant that is metabolized by the cytochrome p450 system
- No other concurrent hormonal therapy except for the following:
- Steroids for adrenal failure
- Hormones for nondisease-related conditions (e.g., insulin for diabetes)
- Intermittent dexamethasone
Patient Characteristics:
- Fertile patients must use effective barrier contraception during and for 3 months after completion of study treatment
- Karnofsky performance status ≥ 60%
- Life expectancy > 12 weeks
- Granulocyte count > 1,500/mm3
- Platelet count > 75,000/mm3
- Hemoglobin > 8.0 g/dL
- Creatinine < 1.5 times upper limit of normal (ULN)
- Bilirubin < 1.5 times ULN
- SGOT/SGPT < 1.5 times ULN
- Urinalysis ≤ 1+ proteinuria based on dipstick reading OR 2+ proteinuria on dipstick reading AND total urinary protein ≤ 3,500 mg on 24 hour urine collection and creatinine clearance ≥ 50 mL/min on a 24-hour urine collection
- No impairment of gastrointestinal (GI) function or GI disease that may affect or alter absorption of vatalanib (i.e., malabsorption syndromes)
- No myocardial infarction or significant change in anginal pattern within the last 6 months, symptomatic congestive heart failure (New York Heart Association class III or IV), or uncontrolled cardiac arrhythmia
- No pre-existing grade 3 or 4 clinical peripheral neuropathy
- No history of severe hypersensitivity reaction to docetaxel or other drugs formulated with polysorbate 80
- No deep vein thrombosis or pulmonary embolus within the past year
- No poorly controlled diabetes (fasting blood glucose > 250) despite optimization of medical therapy
- No labile or poorly controlled hypertension (systolic blood pressure > 160 mm Hg, diastolic blood pressure > 90 mm Hg) despite maximal management with anti-hypertensives
- No serious uncontrolled, concurrent medical illness, including ongoing or active infection
- Patients on Suppressive antibiotic therapy for chronic urinary tract infection are eligible
- No psychiatric illness or social situation that would limit compliance with treatment
- No "currently active" second malignancy other than nonmelanoma skin cancers
- Not considered "currently active" if competed therapy and at < 30% risk of relapse
- No interstitial pneumonia or extensive and symptomatic interstitial fibrosis of the lung
Expected Enrollment 93A total of 93 patients will be accrued for this study. Outcomes Primary Outcome(s)Time to prostate-specific antigen (PSA) and objective progression Response rate (PSA and objective) Toxicity
Outline This is a phase I open-label, dose-escalation study of vatalanib* followed by a phase II study. - Phase II: Patients receive prednisone, docetaxel, and vatalanib at the MTD as in phase I. Treatment continues in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed periodically.
Trial Contact Information
Trial Lead Organizations UCSF Helen Diller Family Comprehensive Cancer Center ![](https://webarchive.library.unt.edu/eot2008/20081019235809im_/http://www.cancer.gov/images/spacer.gif) | ![](https://webarchive.library.unt.edu/eot2008/20081019235809im_/http://www.cancer.gov/images/spacer.gif) | ![](https://webarchive.library.unt.edu/eot2008/20081019235809im_/http://www.cancer.gov/images/spacer.gif) | Eric Small, MD, Protocol chair | ![](https://webarchive.library.unt.edu/eot2008/20081019235809im_/http://www.cancer.gov/images/spacer.gif) | Ph: 415-353-7095; 800-888-8664 |
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Registry Information | ![](https://webarchive.library.unt.edu/eot2008/20081019235809im_/http://www.cancer.gov/images/spacer.gif) | Official Title | | A Phase I/II Study of Docetaxel/Prednisone and PTK 787/ZK 222584 in Previously Untreated Metastatic Hormone Refractory Prostate Cancer | ![](https://webarchive.library.unt.edu/eot2008/20081019235809im_/http://www.cancer.gov/images/spacer.gif) | Trial Start Date | | 2005-12-21 | ![](https://webarchive.library.unt.edu/eot2008/20081019235809im_/http://www.cancer.gov/images/spacer.gif) | Registered in ClinicalTrials.gov | | NCT00293371 | ![](https://webarchive.library.unt.edu/eot2008/20081019235809im_/http://www.cancer.gov/images/spacer.gif) | Date Submitted to PDQ | | 2005-10-12 | ![](https://webarchive.library.unt.edu/eot2008/20081019235809im_/http://www.cancer.gov/images/spacer.gif) | Information Last Verified | | 2007-04-09 | ![](https://webarchive.library.unt.edu/eot2008/20081019235809im_/http://www.cancer.gov/images/spacer.gif) | NCI Grant/Contract Number | | CA82103 |
Note: The purpose of most clinical trials listed in this database is to test new cancer treatments, or new methods of diagnosing, screening, or preventing cancer. Because all potentially harmful side effects are not known before a trial is conducted, dose and schedule modifications may be required for participants if they develop side effects from the treatment or test. The therapy or test described in this clinical trial is intended for use by clinical oncologists in carefully structured settings, and may not prove to be more effective than standard treatment. A responsible investigator associated with this clinical trial should be consulted before using this protocol. Back to Top |
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