Does selexipag improve hemodynamic parameters and have a favorable safety profile in children and young adults with idiopathic and heritable pulmonary arterial hypertension?
Selexipag demonstrated potential efficacy in improving hemodynamic parameters and a favorable safety profile in a small cohort of children and young adults with pulmonary arterial hypertension.
OBJECTIVE: This study aimed to investigate the safety, tolerability, and efficacy of selexipag in children and young adults with idiopathic and heritable pulmonary arterial hypertension. METHODS: This retrospective cohort study included clinical data from five children and six young adults with pulmonary arterial hypertension receiving selexipag as add-on therapy or as a transition from beraprost sodium or epoprostenol infusion therapy. Clinical efficacy was evaluated by measuring improvement in clinical variables from baseline, including hemodynamic parameters. RESULTS: Of the 11 patients, 6 were switched from beraprost sodium to selexipag and one paediatric patient transitioned from epoprostenol to selexipag. The median maintenance dose of selexipag in children was 80 μg/kg/day. In nine patients undergoing repeat catheterisation, statistically significant improvements were observed after the initiation of selexipag in terms of mean pulmonary arterial pressure (p < 0.01), pulmonary vascular resistance index (p < 0.05), and cardiac index (p < 0.01). None of the patients had clinical worsening after selexipag during follow-up, but one young adult patient discontinued treatment due to severe headache. The most common side effect profiles were headache, nausea, abdominal pain, jaw pain, myalgia, and diarrhoea. CONCLUSIONS: Selexipag may have a favourable safety profile and potential efficacy in children and young adults with pulmonary arterial hypertension.
Takatsuki et al. (Wed,) studied this question.
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