Influence of smoking on caffeine elimination in healthy volunteers and in patients with alcoholic liver cirrhosis
Rolf Joeres, Hartwig Klinker, Hermann Heusler, Johannes Epping, Walter Zilly, Ernst Richter – 1 May 1988 – The effect of smoking on caffeine elimination was measured in 7 healthy volunteers and in 18 smoking and in 30 nonsmoking patients with alcoholic liver cirrhosis following oral application of 366 mg caffeine. In an intraindividual experiment in smoking healthy probands, caffeine clearance decreased from 118 ± 33 to 77 ± 22 ml per min (p < 0.05) after abstaining cigarette smoking for 3 weeks.