Original Articles: PDF OnlyPHARMACOKINETICS OF HFA-134a A PRELIMINARY REPORTHarrison, Lester I.Author Information Address for correspondence: Department of Pharmacokinetics and Drug Metabolism, 3M Pharmaceuticals, 3M Center 270–3S, St. Paul, MN 55144, USA. American Journal of Therapeutics: November 1996 - Volume 3 - Issue 11 - p 763-765 Buy Abstract HFA-134a blood levels from four clinical studies were combined to give a preliminary description of its population pharmacokinetics. HFA-134a was absorbed promptly and was eliminated with a half-life of 5.1 min. © Williams & Wilkins 1996. All Rights Reserved.