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Pharmacokinetic profile and first preliminary clinical evaluation of bendamustine in Taiwanese patients with heavily pretreated indolent B-cell non-Hodgkin lymphoma and mantle cell lymphoma.
- Source :
- Hematological Oncology; Dec2015, Vol. 33 Issue 4, p136-144, 9p
- Publication Year :
- 2015
-
Abstract
- Prior studies found bendamustine is efficacious in patients with indolent B-cell non-Hodgkin lymphoma (NHL). To date, no studies have reported the efficacy of bendamustine in a Chinese population. This multicentre phase II trial evaluated the pharmacokinetics (PK), safety and efficacy of bendamustine monotherapy in Chinese patients in Taiwan with pretreated indolent B-cell NHL or mantle cell lymphoma (MCL). For PK assessments, patients were randomized (n = 16; 11 with indolent B-cell NHL and five with MCL) to 90 or 120 mg/m(2) of bendamustine for the first cycle. Plasma levels of bendamustine and its two metabolites were analyzed. For efficacy and safety evaluations, bendamustine 120 mg/m(2) was given to all patients every 3 weeks starting at cycle 2 for a minimum of a total of six cycles. The median age of patients was 61.7 years, and the majority were men (75%). The median number of prior treatments was 4 (range, 1-9 regimens), and all patients were previously treated with rituximab. Bendamustine plasma concentration peaked near the end of infusion and was rapidly eliminated with a mean elimination half-life (t(1/2)) of 0.67-0.8 h. Of the evaluable patients (n = 14), the overall response rate was 78.6%, including 7.2% of patients having a complete response. Mean progression-free survival was 27.5 weeks. The most common grade 3-4 adverse events were leucopenia (56.3%), neutropenia (56.3%) and thrombocytopenia (25%). In conclusion, bendamustine was efficacious and well tolerated in Taiwanese patients with indolent NHL and MCL with a similar PK profile to that of other populations. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 02780232
- Volume :
- 33
- Issue :
- 4
- Database :
- Complementary Index
- Journal :
- Hematological Oncology
- Publication Type :
- Academic Journal
- Accession number :
- 112039579
- Full Text :
- https://doi.org/10.1002/hon.2161