[Two-site absorption model fits to pharmacokinetic data of gemfibrozil in man]. 1996

X D Liu, and L Xie, and J Wang, and Y S Zhou, and Z Wang, and G Q Liu
Center of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing.

The plasma concentration-time data of gemfibrozil in 8 male subjects were determined after an oral dose of 600 mg. Two-peak concentrations in plasma were observed. A kind of one-compartment model with two-sites of drug absorption was proposed and used to fit these data. A good agreement between observed and predicted data was found in all subjects with correlation indexes (gamma 2) > 0.99. The corresponding pharmacokinetic parameters were estimated as follows: Tmax1, 1.10 +/- 0.46 h; Tmax2, 2.60 +/- 0.73 h; Cmax1, 13.62 +/- 4.30 micrograms.ml-1; Cmax2, 17.22 +/- 3.83 micrograms.ml-1; T1, 0.06 +/- 0.06 h; T2, 1.42 +/- 0.57 h and T3, 1.79 +/- 0.60 h.

UI MeSH Term Description Entries
D007408 Intestinal Absorption Uptake of substances through the lining of the INTESTINES. Absorption, Intestinal
D008297 Male Males
D008956 Models, Chemical Theoretical representations that simulate the behavior or activity of chemical processes or phenomena; includes the use of mathematical equations, computers, and other electronic equipment. Chemical Models,Chemical Model,Model, Chemical
D005753 Gastric Mucosa Lining of the STOMACH, consisting of an inner EPITHELIUM, a middle LAMINA PROPRIA, and an outer MUSCULARIS MUCOSAE. The surface cells produce MUCUS that protects the stomach from attack by digestive acid and enzymes. When the epithelium invaginates into the LAMINA PROPRIA at various region of the stomach (CARDIA; GASTRIC FUNDUS; and PYLORUS), different tubular gastric glands are formed. These glands consist of cells that secrete mucus, enzymes, HYDROCHLORIC ACID, or hormones. Cardiac Glands,Gastric Glands,Pyloric Glands,Cardiac Gland,Gastric Gland,Gastric Mucosas,Gland, Cardiac,Gland, Gastric,Gland, Pyloric,Glands, Cardiac,Glands, Gastric,Glands, Pyloric,Mucosa, Gastric,Mucosas, Gastric,Pyloric Gland
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
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
D000960 Hypolipidemic Agents Substances that lower the levels of certain LIPIDS in the BLOOD. They are used to treat HYPERLIPIDEMIAS. Antihyperlipidemic,Antilipemic,Antilipemic Agents,Antilipemic Drug,Hypolipidemic Agent,Hypolipidemic Drug,Antihyperlipemics,Antihyperlipidemics,Antilipemic Drugs,Antilipemics,Hypolipidemic Drugs,Agent, Hypolipidemic,Agents, Antilipemic,Agents, Hypolipidemic,Drug, Antilipemic,Drug, Hypolipidemic,Drugs, Antilipemic,Drugs, Hypolipidemic
D015248 Gemfibrozil A lipid-regulating agent that lowers elevated serum lipids primarily by decreasing serum triglycerides with a variable reduction in total cholesterol. Apo-Gemfibrozil,Ausgem,Bolutol,CI-719,Chem mart Gemfibrozil,DBL Gemfibrozil,Decrelip,Gemfi 1A Pharma,Gemfibrosil,Gemfibrozilo Bayvit,Gemfibrozilo Bexal,Gemfibrozilo Ur,Gemhexal,Gen-Gemfibrozil,GenRX Gemfibrozil,Healthsense Gemfibrozil,Jezil,Lipazil,Lipox Gemfi,Lipur,Litarek,Lopid,Lopid R,Novo-Gemfibrozil,Nu-Gemfibrozil,PMS-Gemfibrozil,Pilder,SBPA Gemfibrozil,Terry White Chemists Gemfibrozil,Trialmin,Apo Gemfibrozil,ApoGemfibrozil,Bayvit, Gemfibrozilo,CI 719,CI719,Gemfibrozil, GenRX,Gemfibrozil, Healthsense,Gemfibrozil, SBPA,Gen Gemfibrozil,GenGemfibrozil,Novo Gemfibrozil,Nu Gemfibrozil,NuGemfibrozil,PMS Gemfibrozil

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