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270181 occurrences (No.97 in the rank) during 5 years in the PubMed. [no cache] 500 found

313) C(max) of phenacetin was significantly (p < 0.01) decreased to 19.50 ± 2.74 μg mL(-1) in inflamed conditions compared to 38.13 ± 2.20 μg mL(-1) obtained in normal rats.

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PMID:24356809 DOI:10.1007/s13318-013-0172-7

2015 European journal of drug metabolism and pharmacokinetics

* Turpentine oil induced inflammation decreases absorption and increases distribution of phenacetin without altering its elimination process in rats.

- Plasma concentrations and pharmacokinetics of phenacetin, a CYP1A2 substrate were determined in normal and experimentally induced inflamed rats by turpentine oil to know the role of inflammation on the pharmacokinetics of phenacetin and formation of its active metabolite (paracetamol) by CYP1A2 in wistar albino rats, weighing about 200-250 g that were randomly divided into two groups consisting six in each group. Rats in group I (control) received phenacetin (150 mg kg(-1), PO) where as group II received phenacetin 12 h after induction of inflammation by turpentine oil (0.4 mL, i.m). Blood samples were collected from retro orbital plexus at pre-determined time intervals prior to and at 0.166, 0.33, 0.67, 1.5, 2, 4, 8 and 12 h post-administration of phenacetin. Plasma was separated and analyzed for phenacetin and its metabolite paracetamol by HPLC assay. Based on plasma concentrations of phenacetin and its metabolite paracetamol, the pharmacokinetic parameters were determined by compartmental methods. C(max) of phenacetin was significantly (p < 0.01) decreased to 19.50 ± 2.74 μg mL(-1) in inflamed conditions compared to 38.13 ± 2.20 μg mL(-1) obtained in normal rats. Except, for significant (p < 0.001) increase in volume of distribution at steady state (V(dss)) from 2.87 ± 0.37 to 8.03 ± 1.26 L kg(-1) and increased the rate of absorption with shorter absorption half-life (t(1/2ka)) for phenacetin in inflammation. None of the pharmacokinetic parameters of either phenacetin or its metabolite paracetamol were affected. It can be concluded that turpentine oil induced inflammation has no role on the activity of CYP1A2 in rats, as the plasma concentrations and pharmacokinetic parameters of paracetamol were found unaltered.

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(1)105 the	(10)6 conventional	(19)3 group	(28)2 groups
(2)23 those	(11)5 controls,	(20)3 pure	(29)2 its
(3)19 control	(12)5 placebo	(21)2 TCDD	(30)2 long
(4)14 a	(13)5 untreated	(22)2 age-matched	(31)2 non-Hispanic
(5)12 that	(14)4 Exo(Normoxic)	(23)2 baseline	(32)2 non-transgenic
(6)10 controls	(15)4 all	(24)2 bur-prepared	(33)2 people
(7)10 other	(16)4 patients	(25)2 children	(34)2 plain
(8)9 healthy	(17)3 an	(26)2 controls),	(35)2 previous
(9)9 their	(18)3 drug	(27)2 experimental	(36)2 vehicle

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--- WordNet output for compared --- =>前年同期比で(は) Overview of verb compare The verb compare has 4 senses (first 3 from tagged texts) 1. (57) compare -- (examine and note the similarities or differences of; "John compared his haircut to his friend's"; "We compared notes after we had both seen the movie") 2. (12) compare -- (be comparable; "This car does not compare with our line of Mercedes") 3. (9) compare, liken, equate -- (consider or describe as similar, equal, or analogous; "We can compare the Han dynasty to the Romans"; "You cannot equate success in financial matters with greed") 4. compare -- (to form the comparative or superlative form on an adjective or adverb) --- WordNet end ---