Kyerematen G A, Passananti G T, Greene F E, Vesell E S
Life Sci. 1983 Jan 31;32(5):551-6. doi: 10.1016/0024-3205(83)90151-0.
Cotinine, administered twice a day for 2 days in a dose of 20 or 40 mg/kg i.p., induced rat hepatic drug metabolism between 22% to 62%. Induction decreased to 26-37% after 4 days of cotinine (40 mg/kg bid). No significant induction was observed after 8 days of this dose of cotinine. Explanations are offered for decreasing induction by cotinine with time.