Activity and safety of metronomic cyclophosphamide in the modern era of metastatic castration-resistant prostate cancer

Author:

Caffo Orazio1,Facchini Gaetano2,Biasco Elisa3,Ferraù Francesco4,Morelli Franco5,Donini Maddalena6,Buttigliero Consuelo7,Calvani Nicola8,Guida Annalisa9,Chiuri Vincenzo Emanuele10,Basso Umberto11,Mucciarini Claudia12,Conteduca Vincenza13,Rossetti Sabrina2,Veccia Antonello14,Maines Francesca14,Kinspergher Stefania14,De Giorgi Ugo13

Affiliation:

1. Medical Oncology Department, Santa Chiara Hospital, Largo Medaglie d’Oro, 38122 Trento, Italy

2. Departmental Unit of Clinical & Experimental Uro-Andrologic Oncology, Istituto Nazionale Tumori, IRCCS, Fondazione G Pascale, Via Mariano Semmola 52, 80131 Naples, Italy

3. Oncology Unit 2, University Hospital, Via Paradisa 2, 56124 Pisa, Italy

4. Medical Oncology Department, San Vincenzo Hospital, Via Sirina, 98039 Taormina, Italy

5. Medical Oncology Department, Casa Sollievo della Sofferenza, Viale Cappuccini 1, 71013 San Giovanni Rotondo, Italy

6. Medical Oncology Department, General Hospital, Viale Concordia, 26100 Cremona, Italy

7. Medical Oncology Department, University of Torino, San Luigi Hospital, Regione Gonzole 10, 10043 Orbassano, Italy

8. Medical Oncology Division & Breast Unit, Antonio Perrino Hospital, 72100 Brindisi, Italy

9. Medical Oncology Division, Azienda Ospedaliero Universitaria, Policlinico di Modena, 41100 Modena, Italy

10. Medical Oncology Unit, Vito Fazzi Hospital, 73100 Lecce, Italy

11. Medical Oncology Unit 1, Istituto Oncologico Veneto IOV, IRCCS, 35128 Padua, Italy

12. Medical Oncology Department, General Hospital, 41012 Carpi, Italy

13. Medical Oncology Department, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, 47014 Meldola, Italy

14. Medical Oncology Department, Santa Chiara Hospital, Largo Medaglie d'Oro, 38122 Trento, Italy

Abstract

Aim: To evaluate activity of metronomic cyclophosphamide (mCTX) in heavily pretreated metastatic castration-resistant prostate cancer (mCRPC) patients. Patients & methods: We retrospectively evaluated a consecutive series of 74 mCRPC patients treated with at least one new agent after docetaxel failure, who received once-daily oral mCTX treatment at a fixed dose of 50 mg. Results: The treatment was well tolerated. Sixteen percent of the patients experienced a major biochemical response. Median progression-free survival was 4.0 months, and median overall survival was 8.1 months. Conclusions: In the modern context of mCRPC, mCTX may represent a valuable and inexpensive alternative to new agents, which have shown similar activity in heavily pretreated patients.

Publisher

Future Medicine Ltd

Subject

Cancer Research,Oncology,General Medicine

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