uric acid has been researched along with 1,3-dimethyluric acid in 65 studies
Timeframe | Studies, this research(%) | All Research% |
---|---|---|
pre-1990 | 23 (35.38) | 18.7374 |
1990's | 21 (32.31) | 18.2507 |
2000's | 13 (20.00) | 29.6817 |
2010's | 8 (12.31) | 24.3611 |
2020's | 0 (0.00) | 2.80 |
Authors | Studies |
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Fraisse, L; Rabion, A; Rascle, MC; Roche, B; Seris, JL; Verlhac, JB | 1 |
Cameron, IL; Lyles, MB; Rawls, HR | 1 |
Bertuzzi, F; Poje, M; Poje, N; Rocić, B; Vucić-Lovrencić, M | 1 |
Bearne, SL; Lunn, FA; Roy, AC | 1 |
Coates, PE; Elias-Jones, AC; Leakey, TE; Smith, KJ | 1 |
Botteron, GW; Hughes, EM; Hurwitz, A; Jayaraj, A; Sztern, MI; Vacek, JL | 1 |
Karnes, HT; Sarkar, MA | 1 |
Grishanova, AIu; Guliaeva, LF; Mishin, VM; Vavilin, VA | 1 |
Hasegawa, T; Kuzuya, T; Muraoka, I; Nadai, M; Takagi, K; Yoshizumi, H | 1 |
Guzelian, PS; Hunt, C; Karnes, HT; Polk, RE; Sarkar, M | 1 |
Advenier, C; Beaumont, D; Brion, N; Naline, E; Pays, M | 1 |
Furuta, T; Kasuya, Y; Shimota, H | 1 |
Guelen, PJ; Janssen, TJ; Vree, TB; Wijnands, GJ | 1 |
Hori, R; Kishimoto, I; Okumura, K; Tanigawara, Y | 1 |
Berdel, D; Bonnacker, I; Süverkrüp, R; von Berg, A | 1 |
Birkett, DJ; Gregor, D; McManus, ME; Miners, JO; Stupans, I | 1 |
Beck, R; Knoppert, DC; MacLeod, SM; Spino, M; Thiessen, JJ | 1 |
Juan, D; Rammohan, M; Shin, SG | 1 |
Rogge, MC; Sedman, AJ; Solomon, WR; Toothaker, RD; Wagner, JG; Welling, PG | 1 |
Hafkenscheid, JC; Hekster, YA; Martea, M; Tiggeler, RG; Vree, TB | 1 |
Beckmann, J; Elsässer, W; Gundert-Remy, U; Hertrampf, R | 1 |
Levy, G; Ramzan, IM | 1 |
Bompadre, S; Ercolani, P; Leone, L | 1 |
du Souich, P; Hartemann, D; Saunier, C; Sautegeau, A | 1 |
Gundert-Remy, U; Hildebrandt, R; Krüdewagen, B | 1 |
Geoffroy, S; Gilbert, SG; Klassen, RD; Rice, DC; So, Y; Stavric, B | 1 |
Ainardi, V; Opheim, KE; Raisys, VA | 1 |
Berdel, D; Heimann, G | 1 |
Gundert-Remy, U; Hildebrandt, R; Möller, H; Weber, E | 1 |
Attwood, J; Birkett, DJ; Miners, JO | 1 |
Riegelman, S; Tang-Liu, DD; Williams, RL | 1 |
Birkett, DJ; Grygiel, JJ | 1 |
Jonkman, JH; Riegelman, S; Tang, D; Upton, RA | 1 |
Aarons, L; Davis, JD; Houston, JB | 1 |
Chen, J; Follath, F; Freiburghaus, AU; Ha, HR | 1 |
Kaminsky, LS; Zhang, ZY | 1 |
Brøsen, K; Nielsen, KK; Rasmussen, BB | 1 |
Konishi, H; Morita, K; Yamaji, A | 1 |
Iwaki, M; Ogiso, T; Okuyama, K; Tanino, T; Uno, S | 1 |
Iga, T; Kawakami, J; Sawada, Y; Toyama, E; Yamamoto, K | 1 |
Fujiwara, I; Mizuki, Y; Sekine, Y; Yamaguchi, T | 1 |
Bantle, JA; Fort, DJ; Hull, MA; Propst, T; Stover, EL | 1 |
Norman, A; Rodopoulos, N | 1 |
Asoh, M; Kobayashi, S; Koitabashi, Y; Okano, YJ; Tateishi, T; Yamaguchi, A; Yoda, T | 1 |
Kim, J; Ko, G; Park, EJ; Sohn, DH | 1 |
Kuh, HJ; Shim, CK | 1 |
Cao, W; Chen, G; Ling, SS; Zhuo, HT | 1 |
Hsieh, YS; Kuo, HW; Maa, MC; Wang, CJ; Yuan, SC | 1 |
Chung, HC; Kim, EJ; Kim, SG; Kim, SH; Lee, I; Lee, MG; Yu, SY | 1 |
Kim, EJ; Lee, MG; Suh, OK | 1 |
Kim, JQ; Park, HD; Park, KU; Song, J; Yoon, Y | 1 |
Kim, SG; Kim, SH; Kim, YC; Lee, AK; Lee, DC; Lee, I; Lee, JH; Lee, MG | 1 |
Chang, YS; Kim, JQ; Park, HD; Park, KU; Song, J; Yoon, Y | 1 |
Hasegawa, T; Kato, M; Kimura, M; Nadai, M; Tsunekawa, Y; Ueyama, J; Yasui, K; Yoshizumi, H; Zhao, YL | 1 |
Bae, SK; Choi, HD; Chung, HJ; Kang, HE; Lee, MG; Shin, KN | 1 |
Lee, JH; Lee, MG; Yang, KH | 1 |
Jung, YS; Kim, YC; Lee, DY; Lee, JH; Lee, MG; Yang, KH | 1 |
Gopishetty, S; Kale, Y; Louie, TM; Subramanian, M; Summers, R; Yu, CL | 1 |
Chohnabayashi, N; Kizu, J; Nasu, H; Nishimura, N; Uchiyama, N; Watanabe, Y | 1 |
Pfleiderer, W; Suzuki, T; Yamamoto, H | 1 |
Chae, JW; Kim, DH; Kim, Ej; Kwon, KI; Lee, BY | 1 |
Aravind, UK; Aravindakumar, CT; Pramod, G; Saha, A; Sunil Paul, MM | 1 |
Chen, XY; Liu, Y; Zhan, Y; Zhang, YF; Zhong, DF | 1 |
Ahluwalia, N; Pao, CI; Pfeiffer, CM; Rybak, ME; Sternberg, MR | 1 |
Enoki, Y; Hori, S; Kizu, J; Kuroda, Y; Matsumoto, K; Taguchi, K | 1 |
4 trial(s) available for uric acid and 1,3-dimethyluric acid
Article | Year |
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Cystic fibrosis: enhanced theophylline metabolism may be linked to the disease.
Topics: Adolescent; Adult; Biotransformation; Chromatography, High Pressure Liquid; Clinical Trials as Topic; Cystic Fibrosis; Double-Blind Method; Humans; Male; Random Allocation; Theophylline; Uric Acid; Xanthines | 1988 |
[Peculiarities of the pharmacokinetics and pharmacodynamics of theophylline in children].
Topics: Adolescent; Asthma; Bronchitis; Caffeine; Child; Child, Preschool; Chromatography, High Pressure Liquid; Humans; Infant; Infant, Newborn; Infant, Premature; Kinetics; Theophylline; Uric Acid; Xanthines | 1984 |
Effect of fluconazole on theophylline disposition in humans.
Topics: Adult; Cross-Over Studies; Enoxacin; Female; Fluconazole; Humans; Male; Metabolic Clearance Rate; Theophylline; Uric Acid; Xanthines | 1994 |
Associations between CYP2E1 promoter polymorphisms and plasma 1,3-dimethyluric acid/theophylline ratios.
Topics: Alleles; Asthma; Cytochrome P-450 CYP1A2; Cytochrome P-450 CYP2E1; Genotype; Humans; Pharmacogenetics; Polymerase Chain Reaction; Polymorphism, Genetic; Polymorphism, Restriction Fragment Length; Theophylline; Uric Acid | 2006 |
61 other study(ies) available for uric acid and 1,3-dimethyluric acid
Article | Year |
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Long-chain-substituted uric acid and 5,6-diaminouracil derivatives as novel agents against free radical processes: synthesis and in vitro activity.
Topics: Animals; Antioxidants; Cattle; Free Radical Scavengers; Lipid Peroxidation; Mitochondria, Heart; Pyrimidines; Structure-Activity Relationship; Uracil; Uric Acid | 1993 |
Structural basis for the binding affinity of xanthines with the DNA intercalator acridine orange.
Topics: Acridine Orange; Intercalating Agents; Methylation; Nonlinear Dynamics; Spectrophotometry; Structure-Activity Relationship; Xanthines | 2001 |
Uric acid may inhibit glucose-induced insulin secretion via binding to an essential arginine residue in rat pancreatic beta-cells.
Topics: Animals; Arginine; Glucose; Hyperuricemia; In Vitro Techniques; Insulin; Insulin Secretion; Islets of Langerhans; Protein Binding; Rats; Structure-Activity Relationship; Uric Acid | 2005 |
Inhibition of CTP synthase from Escherichia coli by xanthines and uric acids.
Topics: Carbon-Nitrogen Ligases; Enzyme Inhibitors; Escherichia coli; Kinetics; Methylation; Structure-Activity Relationship; Uric Acid; Xanthines | 2010 |
Pharmacokinetics of theophylline and its metabolites during acute renal failure. A case report.
Topics: Acute Kidney Injury; Asthma; Child, Preschool; Humans; Male; Metabolic Clearance Rate; Peritoneal Dialysis; Theophylline; Uric Acid | 1991 |
Mexiletine effects on theophylline disposition.
Topics: Adult; Delayed-Action Preparations; Drug Interactions; Humans; Male; Mexiletine; Theophylline; Uric Acid | 1991 |
High performance liquid chromatographic determination of theophylline metabolites in human liver microsomes.
Topics: Chromatography, High Pressure Liquid; Humans; Microchemistry; Microsomes, Liver; Quality Control; Uric Acid; Xanthines | 1991 |
[Theophylline metabolism by rat liver microsomal monooxygenases].
Topics: Animals; Antibodies, Monoclonal; Cytochrome P-450 Enzyme System; Enzyme Induction; In Vitro Techniques; Isoenzymes; Male; Methylcholanthrene; Microsomes, Liver; Neprilysin; Rats; Rats, Inbred Strains; Theophylline; Uric Acid | 1990 |
Effects of enoxacin on renal and metabolic clearance of theophylline in rats.
Topics: Animals; Enoxacin; Kidney; Male; Rats; Rats, Inbred Strains; Theophylline; Uric Acid | 1990 |
In vitro effect of fluoroquinolones on theophylline metabolism in human liver microsomes.
Topics: Biotransformation; Chromatography, High Pressure Liquid; Ciprofloxacin; Drug Interactions; Enoxacin; Humans; Hydroxylation; Microsomes, Liver; Norfloxacin; Theophylline; Uric Acid; Xanthines | 1990 |
Lack of effect of terfenadine on theophylline pharmacokinetics and metabolism in normal subjects.
Topics: Adult; Benzhydryl Compounds; Drug Interactions; Humans; Male; Terfenadine; Theophylline; Time Factors; Uric Acid; Xanthines | 1989 |
Capillary gas chromatographic-mass spectrometric determination of stable isotopically labelled and unlabelled theophylline in serum and urine and of 1,3-dimethyluric acid in urine.
Topics: Alkylation; Carbon Isotopes; Chromatography, High Pressure Liquid; Gas Chromatography-Mass Spectrometry; Humans; Nitrogen Isotopes; Reference Standards; Theophylline; Uric Acid | 1989 |
Drug-drug interactions affecting fluoroquinolones.
Topics: Adult; Drug Interactions; Enoxacin; Humans; Male; Ofloxacin; Oxidation-Reduction; Theophylline; Uric Acid; Xanthines | 1989 |
Blood oxygen tension-related change of theophylline clearance in experimental hypoxemia.
Topics: Animals; Hypoxia; Lung Diseases, Obstructive; Male; Metabolic Clearance Rate; Oxygen; Partial Pressure; Rats; Rats, Inbred Strains; Theophylline; Uric Acid | 1989 |
Renal clearance of theophylline and its major metabolites: age and urine flow dependency in paediatric patients.
Topics: Adolescent; Aging; Child; Child, Preschool; Female; Humans; Infant; Injections, Intravenous; Male; Theophylline; Uric Acid; Urodynamics; Xanthines | 1989 |
Theophylline metabolism by human, rabbit and rat liver microsomes and by purified forms of cytochrome P450.
Topics: Animals; Biotransformation; Cytochrome P-450 Enzyme System; Female; Humans; In Vitro Techniques; Male; Microsomes, Liver; Rabbits; Rats; Rats, Inbred Strains; Species Specificity; Theophylline; Uric Acid; Xanthines | 1988 |
Theophylline pharmacokinetics in normal elderly subjects.
Topics: Adult; Aged; Aging; Chromatography, High Pressure Liquid; Humans; Infusions, Intravenous; Male; Theophylline; Uric Acid; Xanthines | 1988 |
The theophylline-enoxacin interaction: I. Effect of enoxacin dose size on theophylline disposition.
Topics: Adult; Chromatography, High Pressure Liquid; Drug Interactions; Enoxacin; Humans; Male; Theophylline; Uric Acid; Xanthines | 1988 |
Pharmacokinetics of theophylline and its metabolites in a patient undergoing continuous ambulatory peritoneal dialysis.
Topics: Aged; Humans; Kidney Failure, Chronic; Male; Peritoneal Dialysis, Continuous Ambulatory; Theophylline; Uric Acid; Xanthines | 1988 |
Enoxacin--a potent inhibitor of theophylline metabolism.
Topics: Adult; Anti-Infective Agents; Enoxacin; Humans; Naphthyridines; Theophylline; Uric Acid; Xanthines | 1987 |
Kinetics of drug action in disease states. XVI. Pharmacodynamics of theophylline-induced seizures in rats.
Topics: Animals; Brain; Dose-Response Relationship, Drug; Female; Half-Life; Kinetics; Rats; Rats, Inbred Lew; Seizures; Theophylline; Uric Acid; Xanthines | 1986 |
[Determination of theophylline in the plasma by rapid solid-phase extraction].
Topics: Chromatography, High Pressure Liquid; Humans; Lung Diseases, Obstructive; Theophylline; Uric Acid; Xanthines | 1987 |
Theophylline disposition during acute and chronic hypoxia in the conscious dog.
Topics: Acute Disease; Animals; Chronic Disease; Cytochrome P-450 Enzyme System; Dogs; Female; Hypoxia; Male; Theophylline; Uric Acid; Xanthines | 1987 |
Plasma concentrations of theophylline and its metabolites in a theophylline intoxicated child--reevaluation of published Km-values.
Topics: Hemoperfusion; Humans; Infant; Kinetics; Theophylline; Uric Acid; Xanthines | 1986 |
Elimination of chronically consumed caffeine in the pregnant monkey (Macaca fascicularis).
Topics: Animals; Caffeine; Chromatography, High Pressure Liquid; Drinking; Eating; Female; Macaca fascicularis; Pregnancy; Pregnancy, Animal; Theophylline; Uric Acid | 1986 |
Increase in apparent theophylline concentration in the serum of two patients as measured by some immunoassay methods (caused by 1,3-dimethyluric acid?)
Topics: Chromatography, High Pressure Liquid; False Positive Reactions; Humans; Immunoenzyme Techniques; Reagent Kits, Diagnostic; Theophylline; Uremia; Uric Acid | 1983 |
Lack of clinically important interaction between erythromycin and theophylline.
Topics: Adult; Drug Interactions; Erythromycin; Female; Half-Life; Humans; Infusions, Parenteral; Injections, Intravenous; Kinetics; Male; Theophylline; Uric Acid; Xanthines | 1984 |
Secondary metabolism of theophylline biotransformation products in man--route of formation of 1-methyluric acid.
Topics: Biotransformation; Humans; Male; Theophylline; Uric Acid; Xanthines | 1983 |
Nonlinear theophylline elimination.
Topics: Administration, Oral; Adult; Aminophylline; Biotransformation; Female; Humans; Infusions, Parenteral; Kinetics; Male; Models, Biological; Theophylline; Time Factors; Uric Acid; Xanthines | 1982 |
Cigarette smoking and theophylline clearance and metabolism.
Topics: Adult; Biotransformation; Cytochrome P-450 Enzyme System; Female; Humans; Male; Metabolic Clearance Rate; Smoking; Theophylline; Uric Acid; Xanthines | 1981 |
Measurement of excretion characteristics of theophylline and its major metabolites.
Topics: Humans; Kinetics; Theophylline; Uric Acid; Xanthines | 1981 |
Metabolism of theophylline and its inhibition by fluoroquinolones in rat hepatic microsomes.
Topics: Animals; Anti-Infective Agents; Benzoflavones; beta-Naphthoflavone; Coumarins; Cytochrome P-450 Enzyme System; Enoxacin; In Vitro Techniques; Male; Microsomes, Liver; Rats; Rats, Sprague-Dawley; Theophylline; Uric Acid; Xanthines | 1995 |
Metabolism of theophylline by cDNA-expressed human cytochromes P-450.
Topics: Alcohol Drinking; Aryl Hydrocarbon Hydroxylases; Cytochrome P-450 CYP1A2; Cytochrome P-450 CYP2A6; Cytochrome P-450 CYP2D6; Cytochrome P-450 CYP2E1; Cytochrome P-450 CYP3A; Cytochrome P-450 Enzyme System; DNA, Complementary; Enzyme Induction; Epoxide Hydrolases; Humans; Hydroxylation; Isoenzymes; Microsomes, Liver; Mixed Function Oxygenases; Oxidoreductases; Oxidoreductases, N-Demethylating; Precursor Cell Lymphoblastic Leukemia-Lymphoma; Regression Analysis; Smoking; Theophylline; Tumor Cells, Cultured; Uric Acid; Xanthines | 1995 |
Characterization of human cytochromes P450 involved in theophylline 8-hydroxylation.
Topics: Cell Line; Cytochrome P-450 CYP1A2; Cytochrome P-450 Enzyme System; Humans; Hydroxylation; Isoenzymes; Kinetics; Methylation; Microsomes, Liver; Oxidoreductases; Theophylline; Transfection; Uric Acid | 1995 |
Determination of theophylline metabolites in human liver microsomes by high-performance liquid chromatography.
Topics: Chromatography, High Pressure Liquid; Humans; Microsomes, Liver; Reproducibility of Results; Spectrophotometry, Ultraviolet; Uric Acid; Xanthines | 1994 |
Effect of mexiletine on elimination and metabolic conversion of theophylline and its major metabolites in rats.
Topics: Administration, Oral; Aminophylline; Animals; In Vitro Techniques; Injections, Intravenous; Liver; Male; Mexiletine; Rats; Rats, Wistar; Theophylline; Uric Acid; Xanthines | 1993 |
Neurotoxic convulsions induced by theophylline and its metabolites in mice.
Topics: Animals; Blood-Brain Barrier; Brain; Infusions, Intravenous; Injections, Intraventricular; Male; Mice; Neurotoxins; Seizures; Theophylline; Uric Acid; Xanthines | 1996 |
Structure-related inhibitory effect of antimicrobial enoxacin and derivatives on theophylline metabolism by rat liver microsomes.
Topics: Animals; Anti-Infective Agents; Crystallography, X-Ray; Electrochemistry; Enoxacin; Male; Methylcholanthrene; Microsomes, Liver; Molecular Conformation; Molecular Structure; Rats; Rats, Wistar; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Theophylline; Uric Acid | 1996 |
Evaluation of the developmental toxicity of theophylline, dimethyluric acid, and methylxanthine metabolites using Xenopus.
Topics: Abnormalities, Drug-Induced; Animals; Embryo, Nonmammalian; Embryonic and Fetal Development; Female; In Vitro Techniques; Male; Theophylline; Uric Acid; Xanthines; Xenopus laevis | 1996 |
Elimination of theophylline metabolites in healthy adults.
Topics: Administration, Oral; Adult; Female; Humans; Male; Middle Aged; Theophylline; Time Factors; Uric Acid; Xanthines | 1997 |
Developmental changes in urinary elimination of theophylline and its metabolites in pediatric patients.
Topics: Aging; Apnea; Asthma; Child, Preschool; Cytochrome P-450 CYP1A2; Humans; Infant; Infant, Newborn; Theophylline; Uric Acid; Xanthines | 1999 |
Biotransformation of theophylline in cirrhotic rats induced by biliary obstruction.
Topics: Animals; Area Under Curve; Biotransformation; Body Weight; Bronchodilator Agents; Cholestasis; Half-Life; Liver; Liver Cirrhosis, Biliary; Liver Cirrhosis, Experimental; Liver Function Tests; Male; Microsomes, Liver; Organ Size; Rats; Rats, Sprague-Dawley; Theophylline; Uric Acid | 1999 |
Nonlinear renal excretion of theophylline and its metabolites, 1-methyluric acid and 1,3-dimethyluric acid, in rats.
Topics: Animals; Biotransformation; Bronchodilator Agents; Infusions, Intravenous; Injections, Intravenous; Male; Nonlinear Dynamics; Probenecid; Rats; Rats, Wistar; Renal Agents; Theophylline; Uric Acid | 1994 |
Pharmacokinetics of theophylline metabolites in 8 Chinese patients.
Topics: Adult; Aminophylline; Asthma; Bronchodilator Agents; Circadian Rhythm; Humans; Middle Aged; Theophylline; Uric Acid; Xanthines | 1998 |
Effect of tea and coffee consumption on serum uric acid levels by liquid-chromatographic and uricase methods.
Topics: Chromatography, High Pressure Liquid; Coffee; Diet; Female; Gout; Humans; Male; Tea; Urate Oxidase; Uric Acid | 2000 |
Effects of acute renal failure induced by uranyl nitrate on the pharmacokinetics of intravenous theophylline in rats: the role of CYP2E1 induction in 1,3-dimethyluric acid formation.
Topics: Acute Kidney Injury; Aminophylline; Animals; Area Under Curve; Chromatography, High Pressure Liquid; Cytochrome P-450 CYP2E1; Data Interpretation, Statistical; Drug Interactions; Enzyme Induction; Half-Life; In Vitro Techniques; Infusions, Intravenous; Male; Microsomes, Liver; Rats; Rats, Sprague-Dawley; Time Factors; Uranyl Nitrate; Uric Acid | 2002 |
Pharmacokinetics of intravenous theophylline in mutant Nagase analbuminemic rats.
Topics: Animals; Area Under Curve; Blood Protein Disorders; Cytochrome P-450 CYP1A2; Enzyme Induction; Infusions, Intravenous; Kidney; Male; Metabolic Clearance Rate; Microsomes, Liver; Rats; Rats, Sprague-Dawley; Serum Albumin; Theophylline; Uric Acid | 2003 |
High-throughput liquid chromatography-tandem mass spectrometry assay for plasma theophylline and its metabolites.
Topics: Bronchodilator Agents; Chromatography, Liquid; Humans; Mass Spectrometry; Plasma; Theophylline; Uric Acid; Xanthines | 2004 |
Pharmacokinetics of theophylline in diabetes mellitus rats: induction of CYP1A2 and CYP2E1 on 1,3-dimethyluric acid formation.
Topics: Administration, Oral; Alloxan; Aminophylline; Animals; Cytochrome P-450 CYP1A2; Cytochrome P-450 CYP2E1; Diabetes Mellitus, Experimental; Enzyme Induction; Injections, Intravenous; Male; Rats; Rats, Sprague-Dawley; RNA, Messenger; Streptozocin; Theophylline; Uric Acid | 2005 |
Lack of effect of aciclovir on metabolism of theophylline and expression of hepatic cytochrome P450 1A2 in rats.
Topics: Acyclovir; Animals; Antiviral Agents; Blotting, Western; Cytochrome P-450 CYP1A1; Cytochrome P-450 CYP1A2; Dose-Response Relationship, Drug; Glomerular Filtration Rate; Injections, Intraperitoneal; Injections, Intravenous; Liver; Male; Metabolic Clearance Rate; Rats; Rats, Wistar; Theophylline; Uric Acid; Vasodilator Agents; Xanthines | 2007 |
Effects of water deprivation on the pharmacokinetics of theophylline and one of its metabolites, 1,3-dimethyluric acid, after intravenous and oral administration of aminophylline to rats.
Topics: Administration, Oral; Animals; Area Under Curve; Blood Proteins; Bronchodilator Agents; Dehydration; Half-Life; Injections, Intravenous; Male; Microsomes, Liver; Protein Binding; Rats; Rats, Sprague-Dawley; Theophylline; Uric Acid; Water Deprivation | 2007 |
Effects of CYP inducers and inhibitors on the pharmacokinetics of intravenous theophylline in rats: involvement of CYP1A1/2 in the formation of 1,3-DMU.
Topics: Animals; Area Under Curve; Benz(a)Anthracenes; Chromatography, High Pressure Liquid; Cytochrome P-450 CYP1A1; Cytochrome P-450 CYP1A2; Dexamethasone; Dose-Response Relationship, Drug; Enzyme Activators; Half-Life; Infusions, Intravenous; Isoniazid; Metabolic Clearance Rate; Methylcholanthrene; Orphenadrine; Phosphodiesterase Inhibitors; Protein Binding; Rats; Rats, Sprague-Dawley; Theophylline; Uric Acid; Weight Gain | 2008 |
Time-dependent effects of Klebsiella pneumoniae endotoxin (KPLPS) on the pharmacokinetics of theophylline in rats: return of the parameters in 96-hour KPLPS rats to the control levels.
Topics: Administration, Oral; Animals; Bronchodilator Agents; Cytochrome P-450 Enzyme System; Infusions, Intravenous; Klebsiella pneumoniae; Lipopolysaccharides; Male; Microsomes, Liver; Rats; Rats, Sprague-Dawley; Theophylline; Uric Acid | 2008 |
Two distinct pathways for metabolism of theophylline and caffeine are coexpressed in Pseudomonas putida CBB5.
Topics: Caffeine; Gene Expression; Metabolic Networks and Pathways; Pseudomonas putida; Theobromine; Theophylline; Uric Acid; Xanthine; Xanthines | 2009 |
Usefulness of the simultaneous determination of serum levels of theophylline and its metabolites in patients medicated with theophylline preparation.
Topics: Asthma; Bronchodilator Agents; Caffeine; Chromatography, High Pressure Liquid; Humans; Smoking; Theophylline; Uric Acid | 2011 |
Nitrosation of N-methyl derivatives of uric acid and their transnitrosation ability to N-acetylcysteine.
Topics: Acetylcysteine; Nitric Oxide; Nitrosation; Uric Acid | 2010 |
Development and validation of a sensitive LC-MS/MS method for the simultaneous quantitation of theophylline and its metabolites in rat plasma.
Topics: Animals; Chromatography, Liquid; Drug Stability; Least-Squares Analysis; Rats; Reproducibility of Results; Sensitivity and Specificity; Tandem Mass Spectrometry; Theophylline; Uric Acid; Xanthines | 2012 |
Hydroxyl radical induced oxidation of theophylline in water: a kinetic and mechanistic study.
Topics: Hydrogen Peroxide; Hydrogen-Ion Concentration; Hydroxyl Radical; Hydroxylation; Kinetics; Light; Mass Spectrometry; Methylation; Oxidation-Reduction; Pulse Radiolysis; Spectrum Analysis; Theophylline; Uric Acid; Water; Xanthine | 2014 |
[Quantitative analysis of theophylline and its metabolites in urine of Chinese healthy subjects after oral administration of theophylline sustained-release tablets].
Topics: Administration, Oral; Asian People; Calibration; Chromatography, Liquid; Delayed-Action Preparations; Healthy Volunteers; Humans; Spectrometry, Mass, Electrospray Ionization; Tablets; Tandem Mass Spectrometry; Theophylline; Uric Acid; Xanthines | 2014 |
Urine excretion of caffeine and select caffeine metabolites is common in the U.S. population and associated with caffeine intake.
Topics: Adolescent; Adult; Biomarkers; Black or African American; Caffeine; Child; Chromatography, Liquid; Cross-Sectional Studies; Female; Hispanic or Latino; Humans; Male; Middle Aged; Nutrition Surveys; Tandem Mass Spectrometry; Theophylline; Uracil; Uric Acid; White People; Xanthines; Young Adult | 2015 |
Age-Associated Theophylline Metabolic Activity Corresponds to the Ratio of 1,3-Dimethyluric Acid to Theophylline in Mice.
Topics: Aging; Animals; Male; Mice, Inbred ICR; Theophylline; Uric Acid | 2019 |