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  • Title: Operational evaluation of treatment for tuberculosis. Results of 8- and 12-month regimens in Peru.
    Author: Hopewell PC, Ganter B, Baron RB, Sanchez-Hernandez M.
    Journal: Am Rev Respir Dis; 1985 Oct; 132(4):737-41. PubMed ID: 3901842.
    Abstract:
    To measure the effectiveness of treatment for pulmonary tuberculosis in Peru we evaluated the fate of 2,669 patients who had tuberculosis diagnosed in 1981. Two regimens were used: (1) isoniazid, rifampin, pyrazinamide, and streptomycin daily for 2 months, then either isoniazid and streptomycin twice a week or isoniazid and thiacetazone daily for 6 months; and (2) isoniazid, streptomycin, and thiacetazone daily for 2 months, then either isoniazid and streptomycin twice weekly or isoniazid and thiacetazone daily for 10 months. Patients were not assigned at random to the 2 treatment regimens; thus, the results cannot be directly compared. In the 8-month group, 70% had a favorable outcome, 14% abandoned, 9% failed, 3% died, and 3% relapsed. In the 12-month group, 53% had a favorable outcome, 34% abandoned, 6% failed, 4% died, and 2% relapsed. In patients who did not abandon treatment, the results of both regimens were nearly identical. Patients in both groups who had been treated previously had significantly lower rates of cure than those not treated previously.
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