Dose-proportionality of eltoprazine. Pharmacokinetics of single oral doses in healthy subjects. 1991

M H de Vries, and P de Koning, and H L Floot, and A Grahnén, and S A Eckernäs, and M Raghoebar, and B Dahlström, and L Ekman
Department of Drug Disposition, Duphar BV, Weesp, The Netherlands.

Eltoprazine. HCl belongs to a new class of psychotropic drug, the serenics. The dose-proportionality and pharmacokinetics of eltoprazine HCl has been investigated after single oral doses of 5, 10, 20 mg (18 subjects) and 30 mg (12 subjects) in a partly randomized, cross-over design. Eltoprazine was well tolerated and there were no relevant changes in safety parameters. All subjects showed irregular plasma-concentration-time profiles, some subjects demonstrating secondary peaks. The mean half-life was calculated to be about 6.5 h. The renal excretion of eltoprazine was characterized by net tubular secretion. AUC, peak plasma concentrations and the amount excreted unchanged in the urine were linearly related to the dose. Renal clearance and t1/2 were independent of dose. Thus, eltoprazine HCl was well tolerated orally and exhibited a linear pharmacokinetic profile.

UI MeSH Term Description Entries
D007668 Kidney Body organ that filters blood for the secretion of URINE and that regulates ion concentrations. Kidneys
D008297 Male Males
D010879 Piperazines Compounds that are derived from PIPERAZINE.
D011619 Psychotropic Drugs A loosely defined grouping of drugs that have effects on psychological function. Here the psychotropic agents include the antidepressive agents, hallucinogens, and tranquilizing agents (including the antipsychotics and anti-anxiety agents). Psychoactive Agent,Psychoactive Agents,Psychoactive Drug,Psychopharmaceutical,Psychopharmaceuticals,Psychotropic Drug,Psychoactive Drugs,Agent, Psychoactive,Agents, Psychoactive,Drug, Psychoactive,Drug, Psychotropic,Drugs, Psychoactive,Drugs, Psychotropic
D006207 Half-Life The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacologic, physiologic, or radiologic activity. Halflife,Half Life,Half-Lifes,Halflifes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000284 Administration, Oral The giving of drugs, chemicals, or other substances by mouth. Drug Administration, Oral,Administration, Oral Drug,Oral Administration,Oral Drug Administration,Administrations, Oral,Administrations, Oral Drug,Drug Administrations, Oral,Oral Administrations,Oral Drug Administrations
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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