E3-Hormone Refractory Prostrate Cancer Taxotere Combination
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The purpose of this study is to determine whether treatment with Zactima (vandetanib) in combination with Docetaxel and Prednisolone is more effective than the standard Docetaxel and Prednisolone alone for prostate cancer, in patients with Hormone refractory prostate cancer who have not previously received chemotherapy.
A Phase II, Double-blind, Placebo-controlled, Randomised Study to Assess the Efficacy and Safety of Docetaxel (Taxotere)/Prednisolone/ZD6474 vs Docetaxel/Prednisolone/Placebo in Patients With Hormone Refractory Prostrate Cancer (HRPC)
Study Start Date :
Actual Primary Completion Date :
Actual Study Completion Date :
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Prostate Specific Antigen (PSA) Response [ Time Frame: PSA measurements were to be performed at screening, at baseline (>2 weeks after screening) and every 3 weeks during the study. Any response was to be confirmed 2-4 weeks after the initial assessment of a 50% fall in PSA from baseline ]
Prostate Specific Antigen (PSA) response was defined as a reduction of at least 50% from baseline at any assessment, confirmed by a second assessment 2-4 weeks after the initial response
Secondary Outcome Measures :
Number of Patients With an Objective Disease Progression Event [ Time Frame: RECIST tumour assessments carried out at screening and then as per site clinical practice until objective progression. The only additional mandatory tumour assessment visit is at the point of data cut-off (21 July 2007 or up to 7 days in advance of DCO) ]
Number of patients with objective disease progression or death (by any cause in the absence of objective progression)
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Ages Eligible for Study:
18 Years and older (Adult, Older Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Metastatic hormone refractory prostate cancer defined as those patients with evidence of progression of disease in spite of castrate levels of testosterone indicated by rising levels of PSA
No previous chemotherapy although those patients that have received estramustine can enter the study provided the estramustine was stopped 3 weeks before dosing of study drug
screening PSA values >20ng/ml. this must be confirmed by two separate measurements at least 2 weeks apart
Treatment within 4 weeks before randomization and/or whilst on study, treatment with the following: 1)non-approved or experimental drug, 2)treatment with a drug with similar mechanism of action to ZD6474
concurrent treatment with other anticancer agents, othr than docetaxel and prednisolone as defined in the protocol