Point-of-care Pharmacogenomic Testing to Optimize Isoniazid Dosing for Tuberculosis Prevention

Recruiting

Trial ID: NCT05413551

Purpose

This trial is designed to determine whether modifying the dose of isoniazid for individuals according to their n-acetyltransferase 2 (NAT2) genotype could increase the probability of achieving equivalence of area-under-the-curve.

Official Title

Point-of-care Pharmacogenomic Testing to Optimize Isoniazid Dosing for Tuberculosis Prevention

Stanford Investigator(s)

Jason Andrews
Jason Andrews

Professor of Medicine (Infectious Diseases)

Eligibility


Inclusion Criteria:

   - Eligible for latent tuberculosis treatment by Brazil's national guidelines*

   - provides written informed consent to participate in the study

Exclusion Criteria:

   - Evidence of active tuberculosis or currently under evaluation for active tuberculosis

   - Receiving drugs that interact with Rifapentine (e.g. methadone, warfarin)

   - Known intolerance or hypersensitivity to isoniazid or rifapentine

   - Prior treatment for active or latent tuberculosis > 14 days

   - Close contact to isoniazid- or rifampicin-resistant tuberculosis (TB) case

   - Neutropenia (absolute neutrophil count <1000 cells/mm3)

   - Clinical diagnosis of active liver disease or alcohol dependence

   - alanine aminotransferase (ALT) or aspartate aminotransferase (AST) >3 times the upper
   limit of normal

Intervention(s):

drug: Low-dose isoniazid

drug: Standard dose of isoniazid

drug: High-dose isoniazid

Recruiting

Contact Information

Stanford University
School of Medicine
300 Pasteur Drive
Stanford, CA 94305