Results 21 to 30 of about 63,352 (254)

Effect of Theophylline as Adjunct to Inhaled Corticosteroids on Exacerbations in Patients With COPD: A Randomized Clinical Trial

open access: yesJournal of the American Medical Association (JAMA), 2018
Importance Chronic obstructive pulmonary disease (COPD) is a major global health issue and theophylline is used extensively. Preclinical investigations have demonstrated that low plasma concentrations (1-5 mg/L) of theophylline enhance antiinflammatory ...
G. Devereux   +20 more
semanticscholar   +1 more source

Thiolated chitosan nanoparticles enhance anti-inflammatory effects of intranasally delivered theophylline

open access: yesRespiratory Research, 2006
Background Chitosan, a polymer derived from chitin, has been used for nasal drug delivery because of its biocompatibility, biodegradability and bioadhesiveness.
Mohapatra Shyam S   +3 more
doaj   +1 more source

Analysis of the impact of cryopreservation and theophylline on motility of sperm

open access: yesMiddle East Fertility Society Journal, 2018
Objective: Sperm parameters, particularly motility, decrease during cryopreservation. Theophylline generally enhances sperm motility. We analyzed effects of theophylline and freezing on sperm motility.Design: Experimental study.Setting: Private IVF lab ...
Elaheh Gorji   +3 more
doaj   +1 more source

Highly Sensitive Determination of Theophylline Based on Graphene Quantum Dots Modified Electrode

open access: yes, 2018
In this study we introduce a novel modification for the surface of screen-printed electrode (SPE) by graphene quantum dot (GQD) in order to be used in the determination and detection of theophylline.
M. Ganjali
semanticscholar   +1 more source

Magnetic Solid-phase Extraction with Fe3O4/Molecularly Imprinted Polymers Modified by Deep Eutectic Solvents and Ionic Liquids for the Rapid Purification of Alkaloid Isomers (Theobromine and Theophylline) from Green Tea

open access: yesMolecules, 2017
Different kinds of deep eutectic solvents (DES) based on choline chloride (ChCl) and ionic liquids (ILs) based on 1-methylimidazole were used to modify Fe3O4/molecularly imprinted polymers (Fe3O4/MIPs), and the resulting materials were applied for the ...
Guizhen Li, Xiaoqin Wang, K. Row
semanticscholar   +1 more source

Theophylline exhibits anti-cancer activity via suppressing SRSF3 in cervical and breast cancer cell lines

open access: yesOncoTarget, 2017
Caffeine, theophylline, and theobromine are the most well-known members of methylxanthines. Caffeine-induced serine/arginine-rich splicing factor 2, SRSF2, and SRSF3 are required for the alternative splicing of a subset of cancer-associated genes ...
Yung-Lung Chang   +4 more
semanticscholar   +1 more source

Positive chronotropic effects of theophylline and cilostazol in patients with symptomatic sick sinus syndrome who have declined permanent pacing [PDF]

open access: yesReviews in Cardiovascular Medicine, 2020
Pacemakers are more commonly recommended than theophylline for sick sinus syndrome (SSS) treatment. The positive effects of cilostazol on bradyarrhythmias also have been reported.
In Tae Jin, Namsik Yoon, Hyung Ki Jeong, Ki Hong Lee, Hyung Wook Park, Jeong Gwan Cho
doaj   +1 more source

Efficacy and safety profile of doxofylline compared to theophylline in asthma: a meta-analysis

open access: yesMultidisciplinary Respiratory Medicine, 2019
Background Oral methylxanthines are effective drugs for the treatment of chronic obstructive respiratory disorders. The novel methylxanthine doxofylline, that has bronchodilator and anti-inflammatory activities, is not affected by the major drawback of ...
Paola Rogliani   +4 more
doaj   +1 more source

EDTA salt modified carbon paste electrode for square wave voltammetric determination of theophylline in pharmaceutical tablet formulation

open access: yesPLoS ONE, 2022
In this study, a square wave voltammetric method for determination of theophylline in tablet formulation based on EDTA salt modified carbon paste electrode is presented. CV, FT-IR, and EIS results confirmed modification of the carbon paste with EDTA salt.
Amsalu Moges   +3 more
doaj   +2 more sources

Pharmacodynamic and pharmacokinetic effects of flumazenil and theophylline application in rats acutely intoxicated by diazepam [PDF]

open access: yesVojnosanitetski Pregled, 2009
Background/Aim. The majority of symptoms and signs of acute diazepam poisoning are the consequence of its sedative effect on the CNS affecting selectively polisynaptic routes by stimulating inhibitory action of GABA.
Šegrt Zoran   +7 more
doaj   +1 more source

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