Impact of visceral metastases on outcome to abiraterone after docetaxel in castration-resistant prostate cancer patients

Author:

Conteduca Vincenza1,Caffo Orazio2,Fratino Lucia3,Lo Re Giovanni4,Basso Umberto5,D'Angelo Alessandro6,Donini Maddalena7,Verderame Francesco8,Ratta Raffaele9,Procopio Giuseppe10,Campadelli Enrico11,Massari Francesco12,Gasparro Donatello13,Ermacora Paola14,Messina Caterina15,Giordano Monica16,Alesini Daniele17,Zagonel Vittorina5,Veccia Antonello2,Lolli Cristian1,Maines Francesca2,De Giorgi Ugo1

Affiliation:

1. Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy

2. Santa Chiara Hospital, Trento, Italy

3. National Cancer Center CRO, Aviano, Italy

4. Santa Maria Degli Angeli General Hospital, Pordenone, Italy

5. Medical Oncology Unit I, Department of Clinical & Experimental Oncology Istituto Oncologico Veneto IOV, IRCCS, Padova, Italy

6. S Vincenzo Hospital, Taormina, Italy

7. Istituti Ospitalieri di Cremona, Cremona, Italy

8. Medical Oncology, Azienda Ospedaliera Villa Sofia-Cervello, Palermo, Italy

9. Campus Bio-Medico University of Rome, Rome, Italy

10. Oncology Unit I, Fondazione IRCCS, Istituto Nazionale dei Tumori, Milan, Italy

11. Civil Hospital, Lugo di Romagna, Italy

12. Institut Gustave Roussy, Villejuif, France

13. University Hospital of Parma, Parma, Italy

14. Dipartimento di Oncologia, Azienda Ospedaliero-Universitaria, Udine, Italy

15. Medical Oncology Unit, Piazza OMS, 1, Pope John Paul XXIII Hospital, Bergamo, Italy

16. Santa Anna Hospital, Como, Italy

17. Division of Medical Oncology, Università la Sapienza Roma, Rome, Italy

Abstract

Background: The objective of this study was to analyze the impact of visceral metastases in castration-resistant prostate cancer (CRPC) treated with abiraterone. Materials & methods: All CRPC patients received abiraterone 1000 mg daily plus prednisone 10 mg orally daily. Liver and lung metastases were considered as visceral metastases. Results: Of 265 CRPC patients, 49 had visceral metastases. Results on progression-free survival were not significantly different in patients with or without visceral metastases. Conversely, the median overall survival between the two groups was 12.4 and 18.5 months (p = 0.01), respectively, and median overall survival of patients with liver-only disease versus other sites was 10.5 versus 18.5 months (p = 0.006), respectively. Conclusion: Visceral disease appears to be an important predictor of clinical outcome in CRPC patients treated with abiraterone.

Publisher

Future Medicine Ltd

Subject

Cancer Research,Oncology,General Medicine

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