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Continuous administration of low-dose cyclophosphamide and prednisone as a salvage treatment for multiple myeloma
Fan Zhou1, Lieping Guo, Haotian Shi
1Shanghai Zhabei District Central Hospital, Shanghai, China.
Purpose:
The purpose of this study was to evaluate the efficacy and tolerability of continuous low-dose cyclophosphamide and prednisone (CP) as a salvage therapy for multiple myeloma (MM).
Patients And Methods:
A total of 27 consecutive patients with MM received a treatment regimen that consisted of oral cyclophosphamide 50 mg and prednisone 15 mg daily. Nineteen patients had severe comorbid conditions; 8 were unwilling to continue conventional chemotherapy as a result of severe infection associated with the conventional chemotherapy. Patients had received 1 to 4 chemotherapeutic regimens before the enrollment.
Results:
The overall response rate (complete remission, very good partial response, and partial response) was 66.7%. The median time to response was 2 months. In the patients who responded to the treatment, the median progression-free survival (PFS) has not been reached. In the nonresponding patients, the median PFS was 4 months.
Conclusion:
Continuous low-dose CP is an effective and well-tolerated salvage therapy for MM.
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