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. 2016 Oct 17;3:826–831. doi: 10.1016/j.toxrep.2016.10.004

Table 4.

Plasma Isoniazid and Acetylisoniazid concentrations in slow and rapid acetylator TB patients (N = 79) after 3 and 6 h from the administration of a dose (5 mg/kg body weight) of INH.

Slow Acetylators
Rapid Acetylators
3 h (mg/L) 6 h (mg/L) 3 h (mg/L) 6 h (mg/L)
Isoniazid 6.79 + 2.70
(2.8–13.10)
3.5 + 2.25
(0.1–9.5)
2.37 + 0.6
(1.3–3.5)
1.53 + 0.67
(0.5–3.1)
Acétylisoniazid 1.52 + 0.60
(0.2–3.7)
0.77 + 0.6
(0.1–2.2)
1.13 + 0.8
(0.2–3.1)
0.41 + 0.32
(0.1–1.2)