theophylline has been researched along with carbostyril in 52 studies
Timeframe | Studies, this research(%) | All Research% |
---|---|---|
pre-1990 | 12 (23.08) | 18.7374 |
1990's | 35 (67.31) | 18.2507 |
2000's | 3 (5.77) | 29.6817 |
2010's | 2 (3.85) | 24.3611 |
2020's | 0 (0.00) | 2.80 |
Authors | Studies |
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Callaghan, B; Clancy, L; Teo, NC | 1 |
Dreis, MW; Grasela, TH | 1 |
Boulet, LP | 1 |
Granneman, GR; Mahr, G; Muth, P; Nickel, P; Sörgel, F; Stephan, U | 1 |
Carnegie, CM; Lindsay, G; Scorer, HJ | 1 |
Schwark, WS; Vancutsem, PM | 1 |
LeBel, M; Parent, M | 1 |
Dohi, Y; Houya, I; Kiuchi, H; Nagata, M; Sakamoto, Y; Tabe, K; Yamamoto, K | 1 |
Callens, E; Chauvin, JP; Hazebroucq, J; Ruff, F; Santais, MC | 1 |
Apichartpichean, R; Hasegawa, T; Muraoka, I; Nabeshima, T; Nadai, M; Takagi, K | 1 |
Kerrebijn, KF | 1 |
Louis, RE; Radermecker, MF | 1 |
Lazarus, SC; Osborne, ML; Sommerhoff, CP | 1 |
Boulos, PB; Lau, HY; Liu, WL; Pearce, FL | 1 |
Chung, KF | 1 |
Healy, DP; Polk, RE; Schoenle, JR; Stotka, J | 1 |
Broccali, G; Cesana, M; Crema, A; Imbimbo, BP | 1 |
Matsumoto, F; Morita, M; Sato, Y | 1 |
Cornel, JH; Martea, M; Vree, TB; Wijnands, GJ | 1 |
Atkinson, HC; Begg, EJ; Frampton, CM; Robson, RA; Saunders, DA | 1 |
LeBel, M; St-Laurent, M; Vallée, F | 1 |
Elks, ML; Manganiello, VC | 1 |
Church, MK | 1 |
Beck, W; Boos, R; van Kampen, C; Weede, W | 1 |
Apichartpichean, R; Hasegawa, T; Horiuchi, T; Kuzuya, T; Nadai, M; Ogura, Y; Takagi, K | 1 |
Apichartpichean, R; Hasegawa, T; Kuzuya, T; Muraoka, I; Nadai, M; Takagi, K | 1 |
Nix, DE; Norman, A; Schentag, JJ | 1 |
Fuhr, U; Harder, S; Staib, AH; Wack, C | 1 |
Beer, C; Harder, S; Papenburg, A; Shah, PM; Staib, AH; Stille, W | 1 |
Rehavi, M; Rubinstein, E; Segev, S | 1 |
Endoh, M; Satoh, K; Yamashita, S | 1 |
Hidaka, H; Manganiello, VC; Osborne, JC; Vaughan, M; Yamamoto, S; Yamamoto, T | 1 |
Bantutova, I; Surcheva, S | 1 |
Arai, Y; Funayama, K; Kadowaki, S; Takahashi, K; Umezu, K; Yamada, N | 1 |
Matuschka, PR; Vissing, RS | 1 |
Wasserman, SI | 1 |
Kelly, HW; Murphy, S | 1 |
Tandon, MK | 1 |
Carlucci, G; Mazzeo, P; Palumbo, G | 1 |
Bertini, S; Intorre, L; Maccheroni, M; Mengozzi, G; Soldani, G | 1 |
Fujiwara, I; Mizuki, Y; Yamaguchi, T | 1 |
Blum, B; Bramer, SL; Efthymiopoulos, C; Maroli, A | 1 |
Breisch, S; Chodosh, S; Lakshminarayan, S; Swarz, H | 1 |
Itokawa, K; Niki, Y; Okazaki, O | 1 |
Cesana, M; Fuhr, U; Kinzig-Schippers, M; Müller, C; Rietbrock, S; Sörgel, F; Staib, AH | 1 |
Matsuoka, O; Matsushima, T; Miyashita, N; Nakajima, M; Niki, Y; Sekino, H; Tamada, S; Watanabe, S; Yoshida, K | 1 |
Cantoni, V; Melani, AS; Pirrelli, M; Sarlo, F | 1 |
Bramer, SL; Brisson, J; Kitani, M; Miyamoto, G; Tammara, B; Trang, JM | 1 |
Dederichs, D; Hirt, RA; Teinfalt, M; van den Hoven, R | 1 |
Hori, S | 1 |
Calverley, P; Celli, BR; Chambers, M; Clark, JF; Hawkins, N; Scott, DA; Thompson, JC; Woods, B | 1 |
10 review(s) available for theophylline and carbostyril
Article | Year |
---|---|
[Review of North American studies on nedocromil sodium].
Topics: Adrenal Cortex Hormones; Anti-Inflammatory Agents, Non-Steroidal; Asthma; Clinical Trials as Topic; Cromolyn Sodium; Humans; Multicenter Studies as Topic; Nedocromil; Prednisone; Quinolones; Theophylline | 1992 |
Meta-analysis of quinolone-theophylline interactions.
Topics: Ciprofloxacin; Drug Interactions; Enoxacin; Humans; Meta-Analysis as Topic; Quinolones; Theophylline | 1991 |
Paediatric asthma, prospects for control or cure.
Topics: Adrenal Cortex Hormones; Adrenergic beta-Agonists; Anti-Inflammatory Agents, Non-Steroidal; Asthma; Child; Cromolyn Sodium; Humans; Nedocromil; Quinolones; Theophylline | 1991 |
Pharmacology of airway inflammation in asthma.
Topics: Adrenal Cortex Hormones; Adrenergic beta-Agonists; Airway Resistance; Anti-Inflammatory Agents; Asthma; Bronchitis; Bronchodilator Agents; Cromolyn Sodium; Humans; Muscle, Smooth; Nedocromil; Quinolones; Theophylline | 1990 |
Reassessment of mast cell stabilizers in the treatment of respiratory disease.
Topics: Adrenal Cortex Hormones; Adult; Animals; Asthma; Child; Clinical Trials as Topic; Cromolyn Sodium; Histamine Antagonists; Humans; Isoproterenol; Mast Cells; Nedocromil; Quinolones; Rats; Theophylline | 1989 |
A review of some recent clinical studies with nedocromil sodium.
Topics: Administration, Inhalation; Adrenal Cortex Hormones; Adrenergic beta-Agonists; Anti-Inflammatory Agents, Non-Steroidal; Asthma; Clinical Trials as Topic; Cromolyn Sodium; Humans; Nedocromil; Quinolones; Theophylline | 1993 |
Asthma, inflammation, and airway hyperresponsiveness in children.
Topics: Adrenal Cortex Hormones; Adrenergic beta-Agonists; Allergens; Anti-Inflammatory Agents; Asthma; Bronchial Hyperreactivity; Bronchodilator Agents; Child; Humans; Inflammation; Nedocromil; Quinolones; Theophylline | 1993 |
Pharmacokinetic interactions related to the chemical structures of fluoroquinolones.
Topics: Aluminum Hydroxide; Animals; Anti-Infective Agents; Caffeine; Drug Interactions; Fluoroquinolones; Humans; Molecular Structure; Quinolones; Rats; Structure-Activity Relationship; Theophylline | 1996 |
[Safety profile of antimicrobial agents].
Topics: Animals; Anti-Bacterial Agents; Anti-Inflammatory Agents, Non-Steroidal; Bacterial Infections; Convulsants; Dose-Response Relationship, Drug; Drug Interactions; Drug Therapy, Combination; Humans; Hypoglycemia; Kidney; Mice; Quinolones; Structure-Activity Relationship; Theophylline | 2011 |
Mortality and drug therapy in patients with chronic obstructive pulmonary disease: a network meta-analysis.
Topics: Albuterol; Aminopyridines; Beclomethasone; Benzamides; Benzyl Alcohols; Bronchodilator Agents; Budesonide; Chlorobenzenes; Cyclopropanes; Fluticasone-Salmeterol Drug Combination; Formoterol Fumarate; Glucocorticoids; Humans; Indans; Ipratropium; Proportional Hazards Models; Pulmonary Disease, Chronic Obstructive; Quinolones; Survival Rate; Theophylline; Tiotropium Bromide; Triamcinolone | 2015 |
17 trial(s) available for theophylline and carbostyril
Article | Year |
---|---|
Effects of the addition of nedocromil sodium to maintenance bronchodilator therapy in the management of chronic asthma.
Topics: Adolescent; Adult; Aerosols; Anti-Inflammatory Agents, Non-Steroidal; Asthma; Bronchodilator Agents; Double-Blind Method; Drug Therapy, Combination; Female; Humans; Male; Middle Aged; Nedocromil; Quinolones; Respiratory Function Tests; Theophylline | 1992 |
Effects of 2 quinolone antibacterials, temafloxacin and enoxacin, on theophylline pharmacokinetics.
Topics: Administration, Oral; Adult; Aminophylline; Anti-Infective Agents; Double-Blind Method; Drug Interactions; Enoxacin; Fluoroquinolones; Humans; Injections, Intravenous; Male; Quinolones; Theophylline | 1992 |
Safety and efficacy of temafloxacin versus ciprofloxacin in lower respiratory tract infections: a randomized, double-blind trial.
Topics: Adolescent; Adult; Aged; Aged, 80 and over; Anti-Infective Agents; Bacteria; Ciprofloxacin; Double-Blind Method; Drug Interactions; Female; Fluoroquinolones; Humans; Male; Middle Aged; Prospective Studies; Quinolones; Respiratory Tract Infections; Theophylline | 1992 |
Lack of interaction between lomefloxacin and caffeine in normal volunteers.
Topics: 4-Quinolones; Adult; Anti-Infective Agents; Caffeine; Double-Blind Method; Drug Interactions; Fluoroquinolones; Half-Life; Humans; Male; Quinolones; Theophylline | 1991 |
Effect of single doses of rufloxacin on the disposition of theophylline and caffeine after single administration.
Topics: 4-Quinolones; Adult; Anti-Infective Agents; Caffeine; Fluoroquinolones; Humans; Male; Quinolones; Theophylline | 1991 |
A double-blind multicenter group comparative study of the efficacy and safety of nedocromil sodium in the management of asthma. North American Tilade Study Group.
Topics: Adult; Anti-Inflammatory Agents, Non-Steroidal; Asthma; Bronchodilator Agents; Delayed-Action Preparations; Double-Blind Method; Drug Therapy, Combination; Female; Humans; Male; Multicenter Studies as Topic; Nedocromil; Quinolones; Theophylline; Time Factors | 1990 |
Comparative effects of ciprofloxacin and lomefloxacin on the oxidative metabolism of theophylline.
Topics: Adult; Anti-Infective Agents; Ciprofloxacin; Drug Interactions; Fluoroquinolones; Humans; Male; Oxidation-Reduction; Quinolones; Random Allocation; Theophylline | 1990 |
Reassessment of mast cell stabilizers in the treatment of respiratory disease.
Topics: Adrenal Cortex Hormones; Adult; Animals; Asthma; Child; Clinical Trials as Topic; Cromolyn Sodium; Histamine Antagonists; Humans; Isoproterenol; Mast Cells; Nedocromil; Quinolones; Rats; Theophylline | 1989 |
[Nedocromil sodium therapy in asthma patients. Therapeutic effect in addition to treatment with oral theophylline and inhaled bronchodilator agents].
Topics: Administration, Inhalation; Adult; Aged; Anti-Inflammatory Agents, Non-Steroidal; Asthma; Bronchodilator Agents; Clinical Trials as Topic; Double-Blind Method; Drug Therapy, Combination; Female; Humans; Male; Middle Aged; Nedocromil; Quinolones; Theophylline | 1989 |
4-quinolones inhibit biotransformation of caffeine.
Topics: Adult; Biotransformation; Caffeine; Ciprofloxacin; Dose-Response Relationship, Drug; Drug Interactions; Enoxacin; Humans; Male; Molecular Structure; Norfloxacin; Ofloxacin; Pipemidic Acid; Quinolones; Random Allocation; Theophylline | 1988 |
Clinafloxacin-theophylline drug interaction.
Topics: Aged; Anti-Infective Agents; Cross Infection; Delayed-Action Preparations; Drug Interactions; Drug Monitoring; Fluoroquinolones; Humans; Lung Diseases, Obstructive; Male; Pneumonia; Quinolones; Theophylline | 1995 |
Double-blind crossover study of nedocromil sodium in partially reversible chronic obstructive airways disease.
Topics: Adult; Aged; Aged, 80 and over; Albuterol; Anti-Inflammatory Agents, Non-Steroidal; Beclomethasone; Double-Blind Method; Forced Expiratory Volume; Humans; Ipratropium; Lung Diseases, Obstructive; Middle Aged; Nebulizers and Vaporizers; Nedocromil; Patient Satisfaction; Peak Expiratory Flow Rate; Placebos; Prednisolone; Quinolones; Theophylline; Treatment Outcome; Vital Capacity | 1993 |
Theophylline and warfarin interaction studies with grepafloxacin.
Topics: Administration, Oral; Adolescent; Adult; Analysis of Variance; Anti-Infective Agents; Area Under Curve; Chromatography, High Pressure Liquid; Drug Interactions; Female; Fluoroquinolones; Humans; Male; Piperazines; Quinolones; Single-Blind Method; Theophylline; Warfarin | 1997 |
Efficacy and safety of a 10-day course of 400 or 600 milligrams of grepafloxacin once daily for treatment of acute bacterial exacerbations of chronic bronchitis: comparison with a 10-day course of 500 milligrams of ciprofloxacin twice daily.
Topics: Acute Disease; Adolescent; Adult; Aged; Aged, 80 and over; Anti-Infective Agents; Bronchitis; Bronchodilator Agents; Chronic Disease; Ciprofloxacin; Double-Blind Method; Drug Administration Schedule; Female; Fluoroquinolones; Humans; Male; Middle Aged; Piperazines; Prospective Studies; Quinolones; Theophylline; Treatment Outcome | 1998 |
Effects of DU-6859a, a new quinolone antimicrobial, on theophylline metabolism in in vitro and in vivo studies.
Topics: Adult; Anti-Infective Agents; Chromatography, High Pressure Liquid; Drug Interactions; Fluoroquinolones; Humans; Microsomes, Liver; Quinolones; Theophylline | 1998 |
Absence of effect of rufloxacin on theophylline pharmacokinetics in steady state.
Topics: Adult; Anti-Infective Agents; Cross-Over Studies; Drug Interactions; Fluoroquinolones; Humans; Male; Quinolones; Theophylline | 1998 |
The effects of concomitant administration of theophylline and toborinone on the pharmacokinetics of both compounds in poor and extensive metabolizers via CYP2D6.
Topics: Adult; Chromatography, High Pressure Liquid; Cytochrome P-450 CYP2D6; Dextromethorphan; Dextrorphan; Drug Interactions; Humans; Quinolones; Theophylline; Vasodilator Agents | 2002 |
26 other study(ies) available for theophylline and carbostyril
Article | Year |
---|---|
An evaluation of the quinolone-theophylline interaction using the Food and Drug Administration spontaneous reporting system.
Topics: Adult; Adverse Drug Reaction Reporting Systems; Aged; Aged, 80 and over; Anti-Bacterial Agents; Drug Administration Schedule; Drug Interactions; Drug Therapy, Combination; Evaluation Studies as Topic; Female; Humans; Male; Middle Aged; Quinolones; Risk Factors; Seizures; Theophylline; United States; United States Food and Drug Administration | 1992 |
Effects of fluoroquinolone antimicrobials alone and in conjunction with theophylline on seizures in amygdaloid kindled rats. Mechanistic and pharmacokinetic study.
Topics: 2-Chloroadenosine; Amygdala; Animals; Anti-Infective Agents; Chromatography, High Pressure Liquid; Diazepam; Dose-Response Relationship, Drug; Electrodes, Implanted; Enrofloxacin; Female; Fluoroquinolones; Kindling, Neurologic; Norfloxacin; Quinolones; Rats; Rats, Sprague-Dawley; Seizures; Theophylline | 1992 |
[The influence of repirinast, an anti-allergic drug, on theophylline pharmacokinetics in patients with bronchial asthma].
Topics: Adult; Aged; Asthma; Female; Half-Life; Humans; Male; Middle Aged; Quinolones; Theophylline | 1991 |
Effect of temafloxacin on the pharmacokinetics of theophylline.
Topics: Adult; Anti-Infective Agents; Drug Interactions; Female; Fluoroquinolones; Humans; Male; Middle Aged; Quinolones; Theophylline | 1991 |
Pharmacokinetic characteristics of N7-substituted theophylline derivatives and their interaction with quinolone in rats.
Topics: Aminophylline; Animals; Blood Proteins; Chemical Phenomena; Chemistry, Physical; Chromatography, High Pressure Liquid; Drug Interactions; Dyphylline; Enoxacin; Kidney Tubules; Male; Protein Binding; Quinolones; Rats; Rats, Inbred Strains; Theophylline | 1991 |
Substance P-induced histamine release from human basophils, skin and lung fragments: effect of nedocromil sodium and theophylline.
Topics: Adult; Anti-Inflammatory Agents, Non-Steroidal; Basophils; Female; Histamine Release; Humans; In Vitro Techniques; Lung; Male; Nedocromil; Quinolones; Skin; Substance P; Theophylline | 1990 |
Effect of inhibitors on histamine release from mast cells recovered by bronchoalveolar lavage in basenji-greyhound and mongrel dogs.
Topics: Animals; Bronchoalveolar Lavage Fluid; Calcimycin; Cromolyn Sodium; Dogs; Histamine Release; Mast Cells; Nedocromil; Quercetin; Quinolones; Theophylline | 1990 |
Mast cells from human gastric mucosa: a comparative study with lung and colonic mast cells.
Topics: Anti-Inflammatory Agents, Non-Steroidal; Antibodies, Anti-Idiotypic; Calcimycin; Colon; Concanavalin A; Cromolyn Sodium; Gastric Mucosa; Histamine Release; Humans; Immunoglobulin E; Ionomycin; Lung; Mast Cells; Nedocromil; Quinolones; Theophylline | 1991 |
[New quinolones].
Topics: Anti-Bacterial Agents; Bacteria; Clindamycin; Drug Interactions; Drug Resistance, Microbial; Humans; Quinolones; Theophylline; Tissue Distribution | 1990 |
The effect of multiple-dose oral lomefloxacin on theophylline metabolism in man.
Topics: 4-Quinolones; Administration, Oral; Adult; Anti-Infective Agents; Drug Administration Schedule; Drug Interactions; Female; Fluoroquinolones; Humans; Injections, Intravenous; Kidney; Male; Quinolones; Theophylline | 1990 |
Influence of lomefloxacin on the pharmacokinetics of theophylline.
Topics: 4-Quinolones; Adult; Anti-Infective Agents; Drug Interactions; Fluoroquinolones; Humans; Male; Metabolic Clearance Rate; Quinolones; Theophylline | 1990 |
A role for soluble cAMP phosphodiesterases in differentiation of 3T3-L1 adipocytes.
Topics: 1-Methyl-3-isobutylxanthine; 3',5'-Cyclic-AMP Phosphodiesterases; 3',5'-Cyclic-GMP Phosphodiesterases; 4-(3-Butoxy-4-methoxybenzyl)-2-imidazolidinone; 8-Bromo Cyclic Adenosine Monophosphate; Adipose Tissue; Animals; Azo Compounds; Cell Differentiation; Cell Line; Dexamethasone; Glycerolphosphate Dehydrogenase; Insulin; Lipid Metabolism; Mice; Phenylisopropyladenosine; Quinolines; Quinolones; Solubility; Theophylline; Time Factors | 1985 |
Lack of effect of repirinast on the pharmacokinetics of theophylline in asthmatic patients.
Topics: Aged; Asthma; Delayed-Action Preparations; Drug Interactions; Female; Histamine Antagonists; Humans; Male; Middle Aged; Quinolones; Theophylline | 1989 |
Kinetic interaction between theophylline and a newly developed quinolone, NY-198.
Topics: 4-Quinolones; Adult; Anti-Infective Agents; Drug Interactions; Fluoroquinolones; Humans; Male; Quinolones; Theophylline | 1989 |
Effect of lomefloxacin on theophylline pharmacokinetics.
Topics: 4-Quinolones; Adult; Anti-Infective Agents; Drug Interactions; Fluoroquinolones; Half-Life; Humans; Immunoenzyme Techniques; Male; Quinolones; Theophylline | 1989 |
Interaction of quinolones with the theophylline metabolism in man: investigations with lomefloxacin and pipemidic acid.
Topics: 4-Quinolones; Adult; Anti-Infective Agents; Chromatography, High Pressure Liquid; Drug Interactions; Fluoroquinolones; Humans; Male; Nicotinic Acids; Pipemidic Acid; Quinolines; Quinolones; Theophylline | 1989 |
Quinolones, theophylline, and diclofenac interactions with the gamma-aminobutyric acid receptor.
Topics: Animals; Ciprofloxacin; Diclofenac; Drug Synergism; GABA Antagonists; In Vitro Techniques; Male; Muscimol; Nalidixic Acid; Ofloxacin; Quinolones; Rats; Rats, Inbred Strains; Receptors, GABA-A; Theophylline | 1988 |
Inhibition of cyclic AMP phosphodiesterase activity and myocardial contractility: effects of cilostamide, a novel PDE inhibitor, and methylsiobutylxanthine on rabbit and canine ventricular muscle.
Topics: 1-Methyl-3-isobutylxanthine; 3',5'-Cyclic-AMP Phosphodiesterases; Animals; Dogs; Female; Heart Rate; Isoproterenol; Male; Myocardial Contraction; Myocardium; Papillary Muscles; Phosphodiesterase Inhibitors; Quinolines; Quinolones; Rabbits; Theophylline | 1980 |
Complex effects of inhibitors on cyclic GMP-stimulated cyclic nucleotide phosphodiesterase.
Topics: 1-Methyl-3-isobutylxanthine; 3',5'-Cyclic-GMP Phosphodiesterases; 4-(3-Butoxy-4-methoxybenzyl)-2-imidazolidinone; Animals; Cattle; Dipyridamole; Hydrolysis; Kinetics; Liver; Papaverine; Quinolines; Quinolones; Theophylline | 1983 |
[Effect of CNS stimulators on conditioned reflex activity in rats].
Topics: Amphetamine; Amphetamines; Animals; Caffeine; Central Nervous System Agents; Conditioning, Classical; Dose-Response Relationship, Drug; Male; Quinolines; Quinolones; Rats; Reinforcement, Psychology; Stimulation, Chemical; Theophylline | 1984 |
Effect of a major metabolite of the antiallergic drug repirinast on phosphodiesterase and adenylate cyclase activities.
Topics: 3',5'-Cyclic-AMP Phosphodiesterases; Adenylyl Cyclase Inhibitors; Animals; Colforsin; Cromolyn Sodium; Exudates and Transudates; Histamine H1 Antagonists; Histamine Release; In Vitro Techniques; Lung; Male; Peritoneal Cavity; Phosphodiesterase Inhibitors; Quinolones; Rats; Rats, Wistar; Theophylline | 1995 |
Simultaneous determination of rufloxacin and theophylline by high-performance liquid chromatography in human plasma.
Topics: Anti-Infective Agents; Chromatography, High Pressure Liquid; Fluoroquinolones; Humans; Quinolones; Theophylline | 1995 |
Enrofloxacin-theophylline interaction: influence of enrofloxacin on theophylline steady-state pharmacokinetics in the beagle dog.
Topics: Administration, Oral; Animals; Anti-Infective Agents; Bronchodilator Agents; Delayed-Action Preparations; Dogs; Drug Interactions; Enrofloxacin; Fluoroquinolones; Injections, Intravenous; Quinolones; Theophylline | 1995 |
Effect of HSR-903, a new fluoroquinolone, on the concentration of theophylline in serum.
Topics: Adult; Anti-Infective Agents; Fluoroquinolones; Humans; Male; Quinolones; Theophylline | 1999 |
Safety and effectiveness of lomefloxacin in patients with acute exacerbation of chronic bronchitis (AECB) chronically treated with oral theophyllines.
Topics: Acute Disease; Administration, Oral; Adult; Aged; Anti-Infective Agents; Bronchitis; Cross-Sectional Studies; Female; Fluoroquinolones; Humans; Male; Middle Aged; Pulmonary Disease, Chronic Obstructive; Quinolones; Theophylline | 2001 |
The effect of orally administered marbofloxacin on the pharmacokinetics of theophylline.
Topics: Administration, Oral; Animals; Anti-Infective Agents; Area Under Curve; Bronchodilator Agents; Delayed-Action Preparations; Dogs; Dose-Response Relationship, Drug; Drug Interactions; Female; Fluoroquinolones; Male; Quinolones; Theophylline | 2003 |