A systematic review of transition studies of pulmonary arterial hypertension specific medications
Abstract
Pulmonary arterial hypertension (PAH) is a progressive potentially fatal disease. Multiple pharmacologic options are now available, which facilitated transitions between different therapeutic options, although the evidence for such transitions has not been well described. We sought to review the evidence supporting the safety and/or efficacy of transitioning between PAH-specific medications. We performed a systematic review of all published studies in the Medline database between 1 January 2000 and 30 June 2016 reporting on any transition between the currently Food and Drug Administration (FDA)-approved PAH-specific medications. Studies reporting on three or more adult patients published in the English language reporting on transitions between FDA-approved PAH medications were extracted and tabulated. Forty-one studies met the selection criteria, nine of which included less than eight patients (and thus were reported separately in the supplement), for a total of 32 studies. Transitioning from parenteral epoprostenol to parenteral treprostinil appears to be safe and efficacious in patients who have less severe disease and more favorable hemodynamics. Transitioning from a prostacyclin analogue to an oral medication may be successful in patients who have favorable hemodynamics and stable disease. There is conflicting evidence supporting the transition from a parenteral to an inhaled prostacyclin analogue, even in patients who are on background oral therapy. Currently, the only…
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Evidence Hub reads this as a systematic review. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid.
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