The effect of doxofylline in asthma and COPD.

Theophylline is still one of the most widely prescribed drugs for the treatment of asthma and COPD in developing countries because the majority of asthma and COPD medicines are largely unavailable and also because it is a cheap option. In any case, its anti-inflammatory effects and capacity to reverse corticosteroid resistance deserve consideration, but it can induce numerous side effects and drug-drug interactions and frequently requires measurement of drug levels in plasma. In order to overcome the problems posed by theophylline, other xanthines have been developed. Doxofylline is a newer generation xanthine with both bronchodilating and anti-inflammatory activities and for this reason it has been called "novofylline". It differs substantially from theophylline at the pharmacological level. Clinical studies have shown substantial differences between doxofylline and theophylline. In particular, efficacy/safety profile of doxofylline is better than that of theophylline.

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Déclaration de conflit d'intérêts

Declaration of competing interests The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: MC has participated as an advisor in scientific meetings sponsored by ABC Farmaceutici and Mundipharma Bangladesh that manufacture and sell medicinal products containing doxofylline; he is a consultant to ABC Farmaceutici. MGM has participated as an advisor in scientific meetings sponsored by ABC Farmaceutici.