期刊
AIDS PATIENT CARE AND STDS
卷 20, 期 9, 页码 612-619出版社
MARY ANN LIEBERT INC
DOI: 10.1089/apc.2006.20.612
关键词
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资金
- Intramural NIH HHS Funding Source: Medline
HIV/hepatitis C virus ( HCV)-coinfected individuals have accelerated liver disease, increased drug toxicities, and modest responses to peginterferon and ribavirin. Hematologic toxicities necessitating dose reduction or discontinuation are limiting factors to HCV treatment in the coinfected patient. This study aimed to identify predictors for the need of filgrastim and darbepoetin to manage hematologic toxicities so as to maintain patients on full doses of study drugs for the duration of study. The primary study was a single-center, open-label, prospective study to evaluate the safety, efficacy, and viral kinetics of 48-week peginterferon alfa 2b and ribavirin in HIV/HCV-coinfected patients. Complete blood count was monitored at baseline, days 3, 7, 10, 14, and then weekly for the first month, fortnightly until week 8, then monthly from week 12 to 48. Filgrastim was initiated when absolute neutrophil count ( ANC) fell below 750 cells/mm(3) and darbepoetin was used when hemoglobin dropped to less than 10 g/dL. All patients experienced decrease in ANC and hemoglobin. Twenty of 30 ( 66.6%) of patients required hematopoeitic growth factors, 15 ( 50%) received filgrastim, and 12 ( 40%) received darbepoetin. Seven ( 23.3%) required both. Baseline ANC of less than 2250 cells per millimeter and negative rate of change of hemoglobin on day 3 of therapy were excellent predictors for filgrastim and darbepoetin use, respectively. Supplemental growth factors were associated with substantial increase in overall cost for HCV treatment. Larger clinical trials will be needed to address the cost effectiveness of supplemental growth factor use in the HIV/HCV-coinfected patients.
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