No significant influence of diabetic mellitus on isoniazid plasma levels in patients under treatment for tuberculosis

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Ethics approval and consent to participate

The study was revised and approved by the Ethical Committee of The Health Science Institute of the UFPA (Brazil), Number 2.711.799.2. The written informed consent was obtained from each patient. It is committed not to provide information about the patient to any person unrelated to the study.

Author contributions

FESG: proceed laboratory analysis and the production of the manuscript AADF: proceed laboratory analysis and the production of the manuscript. ACGP: contributed substantially to the interpretation of the results and to the production of the manuscript. CAAA: proceed the supervision of fieldwork and the critical reading of the manuscript. TPP: contributed to the laboratory analysis and to the production of the manuscript. JLFV: supervised data collection, data analysis and production of the manuscript. All authors read and approved the final manuscript.

Disclosure statement

The authors declare that they have no competing interests.

Health and safety

All mandatory laboratory health and safety procedures were followed in the study.