Hepatotoxicity, Tuberculosis
Conditions
Keywords
tuberculosis, isoniazid, Arylamine N-acetyl transferase, genotyping, hepatotoxicity, pharmacogenetics
Brief summary
Apply the information of NAT2 genotyping into the re-challenge protocol of INH titration in patients with anti-TB medication induced hepatitis.
Detailed description
adjusting INH dose according to NAT2 genotyping and serum concentration of INH.
Interventions
The dose of the re-challenged INH is followed by the results of the genotyping of NAT2 in each patient.
Sponsors
Study design
Eligibility
Inclusion criteria
* Older than 18 years-old * Taken INH for more than 1 week * Abnormal liver function
Exclusion criteria
* Rule out the INH induced liver abnormality * Existing reasons to cause liver abnormality other than TB-medication * Taking drugs which interact with INH
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Decrease the events of hepatotoxicity when patients are re-challenged with INH | 6-12 months |
Secondary
| Measure | Time frame |
|---|---|
| economics evaluation of performing pharmacogenetics screening in practice | 6-12 months |
Countries
Taiwan