[Possibilities for optimizing therapy with theophylline preparations. III. Ventilatory effect and pharmacokinetics of "new" Pulmophyllin].

Investigations comparing the preparations Pulmophylline "new", Pulmophylline and Aminophylline show that Pulmophylline "new" has a position between the two other drugs concerning the ventilatory effect and the pharmacokinetics. The effect of this preparation starts in a slower rate and lasts longer than that of Pulmophylline, the effect decreases in a quicker manner than that of Aminophylline. Replacement of the Ethoxytheophylline by the more efficient Theophylline seems to be the first step for the optimization of this drug-preparation. The diminished rate of side effects of Ethoxytheophylline is connected with an unfavourable pharmacokinetics and a smaller effect, as it is shown by investigations of other authors and by our own results.