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Theophylline extended-release tablets in Japan. Theophylline, also known as 1,3-dimethylxanthine, is a drug that inhibits phosphodiesterase and blocks adenosine receptors. [1] It is used to treat chronic obstructive pulmonary disease (COPD) and asthma. [2] Its pharmacology is similar to other methylxanthine drugs (e.g., theobromine and caffeine ...
It was approved for use in Japan in June 2013. [1] Topiroxostat is a xanthine oxidase inhibitor which reduces serum urate levels. [2] References
Theophylline has also been marketed in combination with other ephedrine-like sympathomimetics like racephedrine and pseudoephedrine and with other barbiturates such as amobarbital and butabarbital, among other drugs. [15] A combination of theophylline, ephedrine, and hydroxyzine has been marketed under the brand name Marax among others as well.
Because one of the active ingredients in Tedral is theophylline, Tedral is contraindicated if the patient has: [3] [6] Hypersensitivity to xanthine derivatives; Coronary artery disease (cardiac stimulating effects of Theophylline may prove harmful) Peptic ulcer; Concomitant use with ephedrine in children.
8-Chlorotheophylline, also known as 1,3-dimethyl-8-chloroxanthine, is a stimulant drug of the xanthine chemical class, with physiological effects similar to caffeine. [1] Its main use is in combination (salt) with diphenhydramine in the antiemetic dimenhydrinate (Dramamine).
An adenosine receptor antagonist is a drug which acts as an antagonist of one or more of the adenosine receptors. [1] The best known are xanthines and their derivatives (natural: caffeine, [2] theophylline, [3] and theobromine; and synthetic: PSB-1901 [4]), but there are also non-xanthine representatives (e.g. ISAM-140, [5] ISAM-R316, [6] etrumadenant, [7] and AZD-4635 [8])
The number of new psychiatric drugs, and especially antidepressants on the market in Japan, is significantly less than Western countries. [1]One of the biggest barriers to antidepressants coming to the market is that the medical insurance system in Japan is national, and the authorities are keen to contain a potentially explosive market for drugs like antidepressants that, from the Japanese ...
Choline theophyllinate (), also known as oxtriphylline, is a cough medicine derived from xanthine that acts as a bronchodilator to open up airways in the lung. Chemically, it is a salt of choline and theophylline.