Modular therapy approach in metastatic castration-refractory prostate cancer

Walter, B. and Rogenhofer, S. and Vogelhuber, M. and Berand, A. and Wieland, W. F. and Andreesen, R. and Reichle, A. (2010) Modular therapy approach in metastatic castration-refractory prostate cancer. WORLD JOURNAL OF UROLOGY, 28 (6). pp. 745-750. ISSN 0724-4983,

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Abstract

The present multi-center phase II study was designed to support the hypothesis that networking agents, which bind to ubiquitous accessible targets in metastatic castration-refractory prostate cancer (CRPC) may counteract neoplasia-specific aberrant cellular functions, thereby mediating PSA response (primary endpoint). Patients with metastatic CRPC received low-dose chemotherapy with capecitabine 1 g twice daily plus dexamethasone 1 mg daily for 14 days every 3 weeks, COX-2 blockade with rofecoxib 25 mg (or etoricoxib 60 mg) daily combined with pioglitazone 60 mg daily until disease progression. Thirty-six consecutive patients with metastatic CRPC were enrolled, of whom n = 18 (50%) had been extensively pretreated with radio- or radionuclid therapy and n = 16 (44%) with chemotherapies; n = 8 patients (22%) were medically none-fit, having an ECOG-score of 0-2. Nine of 15 patients with PSA response > 50% showed objective response. Median time to PSA response was 2.4 months (range 1.0-7.3 months). Two of 9 patients responding with PSA < 4 ng/ml showed complete resolution of skeletal lesions after 9 and 16 months; 13 patients had a stable course of disease, and 5 patients experienced progressive disease. Median progression-free survival (PFS) was 4.0 months (2.8-5.1 months) and median overall survival (OS) 14.4 months (10.7-17.2 months). Toxicities according to WHO grade II were noticed in 9 patients. This new combined modular therapy approach is able to induce major responses including resolution of skeletal lesions in patients with CRPC. Furthermore, the study may clinically support the above-mentioned hypothesis.

Item Type: Article
Uncontrolled Keywords: LOW-DOSE DEXAMETHASONE; CLINICAL-TRIALS; PHASE-II; DOCETAXEL; CARCINOMA; MITOXANTRONE; PREDNISONE; CAPECITABINE; EXPRESSION; PATHWAYS; Castrate-resistant prostate cancer; Modular therapy; Anti-inflammatoric agents
Subjects: 600 Technology > 610 Medical sciences Medicine
Divisions: Medicine > Lehrstuhl für Innere Medizin III (Hämatologie und Internistische Onkologie)
Medicine > Lehrstuhl für Urologie
Depositing User: Dr. Gernot Deinzer
Date Deposited: 07 Jul 2020 05:06
Last Modified: 07 Jul 2020 05:06
URI: https://pred.uni-regensburg.de/id/eprint/23844

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