Jindani, A;
Borgulya, G;
de Patiño, IW;
Gonzales, T;
de Fernandes, RA;
Shrestha, B;
Atwine, D;
Bonnet, C;
Burgos, M;
Dubash, F;
et al.
Jindani, A; Borgulya, G; de Patiño, IW; Gonzales, T; de Fernandes, RA; Shrestha, B; Atwine, D; Bonnet, C; Burgos, M; Dubash, F; Patel, N; Checkley, AM; Harrison, TS; Mitchison, DA
(2016)
A randomised Phase II trial to evaluate the toxicity of high dose rifampicin to treat pulmonary tuberculosis.
INTERNATIONAL JOURNAL OF TUBERCULOSIS AND LUNG DISEASE, 20 (6).
pp. 832-838.
ISSN 1027-3719
SGUL Authors: Jindani, Amina
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Abstract
SETTING: Randomised Phase IIB clinical trial. OBJECTIVES: To assess whether increasing the dose of rifampicin (RMP) from 10 mg/kg to 15 or 20 mg/kg results in an increase in grade 3 or 4 hepatic adverse events and/or serious adverse events (SAE). METHODS: Three hundred human immunodeficiency virus negative patients with newly diagnosed microscopy-positive pulmonary tuberculosis (TB) were randomly assigned to one of three regimens: 1) the control regimen (R10), comprising daily ethambutol (EMB), isoniazid (INH), RMP and pyrazinamide for 8 weeks, followed by INH and RMP daily for 18 weeks; 2) Study Regimen 1 (R15), as above, with the RMP dose increased to 15 mg/kg body weight daily for the first 16 weeks; and 3) Study Regimen 2 (R20), as above, with RMP increased to 20 mg/kg. Serum alanine transferase (ALT) levels were measured at regular intervals. RESULTS: There were seven grade 3 increases in ALT levels, 1/100 (1%) among R10 arm patients, 2/100 (2%) in the R15 arm and 4/100 (4%) in the R20 arm (trend test P = 0.15). One (R15) patient developed jaundice, requiring treatment modification. There were no grade 4 ALT increases. There was a non-significant increase in culture negativity at 8 weeks with increasing RMP dosage: 75% (69/92) in R10, 82.5% (66/80) in R15 and 83.1% (76/91) R20 patients (P = 0.16). CONCLUSIONS: No significant increase in adverse events occurred when the RMP dose was increased from 10 mg/kg to 15 mg/kg or 20 mg/kg.
Item Type: | Article | ||||||
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Additional Information: | © 2016 International Union Against Tuberculosis and Lung Disease | ||||||
Keywords: | Microbiology, 1102 Cardiovascular Medicine And Haematology | ||||||
SGUL Research Institute / Research Centre: | Academic Structure > Infection and Immunity Research Institute (INII) | ||||||
Journal or Publication Title: | INTERNATIONAL JOURNAL OF TUBERCULOSIS AND LUNG DISEASE | ||||||
ISSN: | 1027-3719 | ||||||
Publisher License: | Publisher's own licence | ||||||
Projects: |
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URI: | https://openaccess.sgul.ac.uk/id/eprint/107620 |
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