Experimental Pharmacokinetics of Tetramezine in Rats
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The pharmacokinetics of the new psychotropic agent tetramezine in rats has been studied with the aid of gas chromatography. The drug concentration profiles in the blood, excreta, and urine have been determined. Upon peroral administration, tetramezine is rapidly absorbed from the gastrointenstinal tract, and the maximum drug concentration in the blood plasma is observed within 5 min. The pharmacokinetics of tetramezine upon intravascular and intramuscular injections are dose-dependent and linear within the dose range studied. The average half-elimination times are 0.42 h (i.v.); 0.32 h (i.m.); and 0.42 h (p.o.). The obtained data are important for the subsequent investigation of the drug bioaccessibility and metabolism and for establishing relationships between the drug behavior in vitro, in experiments on animals, and in clinics.
KeywordsOrganic Chemistry Drug Concentration Concentration Profile Blood Plasma Dose Range
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