A phase II clinical trial involving the use of low-dose daily oral cyclophosphamide, weekly vinblastine and rofecoxib in patients with advanced solid tumors
2004
3137 Background: Preclinical studies indicate the conventional chemotherapeutic agents given continuously at low doses may provide an improved therapeutic index (RS Kerbel et al, Annals of Oncology 13:12–15, 2002). Cyclophosphamide and vinblastine have been best studied in experimental models where tumor growth retardation is achieved, at least in part, through antiangiogenic mechanisms. Methods: 50 with advanced solid tumors were enrolled (26 male and 24 female, median age 63 years - range 24 - 85). 43 patients had received at least one prior chemotherapy regimen. Patients were required to have ECOG performance status 3 months and at least one measurable lesion. All patients received cyclophosphamide 50 mg PO daily, weekly injections of vinblastine 3 mg/m2, and rofecoxib 25 mg PO daily. Results: Of the 45 evaluable patients, there were 2 complete responses (CR) (4%), 4 partial responses (PR) (9%) for an overall objective response rate of 13%. An additional 6 patients achieved ...
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