Castration Resistant Prostate Cancer Clinical Trial
Official title:
Phase 1 Study to Evaluate Safety, and Preliminary Efficacy of Pasireotide LAR in Castration Resistant Prostate Cancer
After failure of initial ADT, addition of an anti-androgen is established to treat castration resistant prostate cancer (CRPC). Substitution of the first anti-androgen and anti-androgen withdrawal results in treatment responses in 25-40% of patients for 4-6 months. A more effective second line treatment after failure of first ADT could prolong the time until the state of symptomatic HRPC, which is currently treated with docetaxel and accompanied by significant side effects. Since the importance of the IGF-signaling in PC is not only indicated by preclinical results but also by clinical efficacy of somatostatin analogs, further clinical research with the new somatostatin analog pasireotide is warranted. This study is designed to define the maximum tolerated dose (MTD) of pasireotide LAR in patients with castration resistant prostate cancer (CRPC). It also aims for a preliminary efficacy evaluation of pasireotide within the dose expansion part at the MTD. Preliminary efficacy will be assessed by evaluation of different measures of prostate cancer e.g. changes in PSA, disease control rate (RECIST 1.1), symptoms and changes of biomarkers linked to the mode of action of pasireotide LAR. The study will also explore characteristics of patients who might benefit most from this treatment approach
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