Active Ingredient: Sitaxentan
Treatment of patients with pulmonary arterial hypertension (PAH) classified as WHO functional class III, to improve exercise capacity. Efficacy has been shown in primary pulmonary hypertension and in pulmonary hypertension associated with connective tissue disease.
For this indication, competent medicine agencies globally authorize below treatments:
Oral
100 - 100 mg
From 100 To 100 mg once every day
Sitaxentan is to be taken orally as a dose of 100 mg once daily. It may be taken with or without food and without regard to the time of day.
In the case of clinical deterioration despite sitaxentan treatment for at least 12 weeks, alternative therapies should be considered. However, a number of patients who showed no response by week 12 of treatment with sitaxentan responded favourably by week 24, so an additional 12 weeks of treatment may be considered.
Higher doses did not confer additional benefit sufficient to offset the increased risk of adverse reactions, particularly liver injury.
There is limited experience with abrupt discontinuation of sitaxentan sodium. No evidence for acute rebound has been observed.
It may be taken with or without food and without regard to the time of day.
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