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Abstract：
Background To evaluate the efficacy and safety of doxorubicin (ADM) combined with thalidomide (THA) as a first-line treatment for patients with refractory aggressive fibromatosis (AF). Patients and Methods Eligible patients were treated with ADM 30 mg/m2 on days 1-2 and THA 200 mg nightly on days 1-21 every 3 weeks for a maximum of six cycles. THA was then continued for a total of 1 year. The primary end point was response rate (RR). Results Fifteen patients were enrolled in the study. No patient had a complete response, but five patients had partial responses, resulting in a RR of 33%. Eight patients (53%) had stable disease and two patients (13%) had progressive disease, and the disease control rate was 87%. The median progression free survival (mPFS) was 20.6 months (95% confidence interval, 14.5-26.7 months). Patients with below normal baseline serum albumin levels had significantly inferior mPFS compared with those with normal baseline serum albumin (1.4 months versus 23.7 months, P = 0.045). Grade 3/4 toxicities included leukopenia (33%), neutropenia (60%), febrile neutropenia (7%), nausea (7%), and vomiting (6.6%). Conclusions ADM plus THA was well-tolerated and effective as a first-line treatment for patients with refractory AF. However, patients with hypoalbuminemia at baseline had inferior clinical outcomes, and further studies are needed to investigate this issue.
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