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  • Title: Efficacy and outcomes of clarithromycin treatment for pulmonary MAC disease.
    Author: Fujikane T, Fujiuchi S, Yamazaki Y, Sato M, Yamamoto Y, Takeda A, Nishigaki Y, Fujita Y, Shimizu T.
    Journal: Int J Tuberc Lung Dis; 2005 Nov; 9(11):1281-7. PubMed ID: 16333938.
    Abstract:
    SETTING: Retrospective review of patients with pulmonary Mycobacterium avium complex (MAC) disease treated with clarithromycin. OBJECTIVES: To investigate whether the short-term response to treatment predicts long-term outcomes, and to analyse what explanatory variables are associated with the efficacy and outcome of treatment. DESIGN: Sputum conversion rates in short- and long-term outcomes were evaluated for 111 patients. Respectively 9 and 10 explanatory variables were analysed for their association with both response and outcomes. RESULTS: Eighty-four patients (75.7%) showed good short-term response and 94 (82.0%) showed good long-term outcomes. Women and patients with satisfactory nutrition status showed good short-term response. Patients with small lesions and those treated for >12 months after sputum conversion showed good long-term outcomes. Patients who showed good short-term response, in the group with large lesions, showed significantly good long-term outcomes (P = 0.0382). CONCLUSION: There were differences between prognostic factors reflecting short-term response and long-term outcomes. The short-term response predicts long-term outcomes in certain groups divided by prognostic factor. To establish standard treatment for pulmonary MAC disease, it is important to determine a standardised method of evaluation of treatment taking such factors into consideration.
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