ISSN 1662-4009 (online)

ey0020.3-2 | Novel Treatments for Rare Skeletal Disorders | ESPEYB20

3.2. Phase 1 safety, tolerability, pharmacokinetics and pharmacodynamics results of a long-acting C-type natriuretic peptide prodrug, TransCon CNP

VM Breinholt , PH Mygind , ED Christoffersen , Y Zhang , S Ota , R Will Charlton , D Viuff

In Brief: This phase 1 study in healthy adults assessed the safety and feasibility of transcon-CNP, a novel prodrug that releases native C-type natriuretic peptide (CNP). The novel drug was well tolerated and CNP remained in systemic circulation for >7 days following a single dose.Commentary: Achondroplasia is caused by autosomal activating mutation in the fibroblast growth factor receptor 3 gene (FGFR3) resulting in constitutive receptor ac...

ey0020.2-9 | Long-Acting Growth Hormone (LAGH) | ESPEYB20

2.9. Safety and efficacy of lonapegsomatropin in children with growth hormone deficiency: enliGHten trial 2-year results

AK Maniatis , SJ Casella , UM Nadgir , PL Hofman , P Saenger , ED Chertock , EM Aghajanova , M Korpal-Szczyrska , E Vlachopapadopoulou , O Malievskiy , T Chaychenko , M Cappa , W Song , M Mao , PH Mygind , AR Smith , SD Chessler , AS Komirenko , M Beckert , AD Shu , PS Thornton

Brief summary: This open-label extension trial enrolled all subjects completing the two previous phase 3 Lonapegsomatropin trials, heiGHt and fliGHt. The results confirm the efficacy of this LAGH formulation in improving height SDS, without major adverse events.Lonapegsomatropin is a long-acting GH consisting of 3 components: unmodified human GH (hGH), an inert glycol carrier, and a TransCon linker that transiently binds the other 2 components. The glyco...