Kids Mod PAH trial: A multicenter trial comparing mono- versus duo-therapy for initial treatment of pediatric pulmonary hypertension

Joseph M. Collaco, Steven H. Abman, Eric D. Austin, Catherine M. Avitabile, Angela Bates, Jeffrey R. Fineman, Grace A. Freire, Stephanie S. Handler, Dunbar D. Ivy, Usha S. Krishnan, Mary P. Mullen, Nidhy P. Varghese, Delphine Yung, Melanie K. Nies, Allen D. Everett, Kanecia O. Zimmerman, William Simmons, Hrishikesh Chakraborty, Gayane Yenokyan, Allison Newell-SturdivantEric Christensen, Lindsay M. Eyzaguirre, Daniel F. Hanley, Erika B. Rosenzweig, Lewis H. Romer

Research output: Contribution to journalArticlepeer-review

Abstract

Pulmonary hypertension (PH) is a significant health problem that contributes to high morbidity and mortality in diverse cardiac, pulmonary, and systemic diseases in children. Evidence-based advances in PH care have been challenged by a paucity of quality endpoints for assessing clinical course and the lack of robust clinical trial data to guide pharmacologic therapies in children. While the landmark adult AMBITION trial demonstrated the benefit of up-front combination PH therapy with ambrisentan and tadalafil, it remains unknown whether upfront combination therapy leads to more rapid and sustained clinical benefits in children with various categories of PH. In this article, we describe the inception of the Kids Mod PAH Trial, a multicenter Phase III trial, to address whether upfront combination therapy (sildenafil and bosentan vs. sildenafil alone) improves PH outcomes in children, recognizing that marked differences between the etiology and therapeutic response between adults and children exist. The primary endpoint of this study is WHO functional class (FC) 12 months after initiation of study drug therapy. In addition to the primary outcome, secondary endpoints are being assessed, including a composite measure of time to clinical worsening, WHO FC at 24 months, echocardiographic assessment of PH and quantitative assessment of right ventricular function, 6-min walk distance, and NT-proBNP levels. Exploratory endpoints include selected biomarkers, actigraphy, and assessments of quality of life. This study is designed to pave the way for additional clinical trials by establishing a robust infrastructure through the development of a PPHNet Clinical Trials Network.

Original languageEnglish (US)
Article numbere12305
JournalPulmonary Circulation
Volume13
Issue number4
DOIs
StatePublished - Oct 2023

Keywords

  • bosentan
  • children
  • multicenter randomized control trial
  • pulmonary arterial hypertension
  • sildenafil

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

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