ISSN 1662-4009 (online)

ey0015.5-1 | New and repurposed therapies | ESPEYB15

5.1 Burosumab Therapy in Children with X-Linked Hypophosphatemia

TO Carpenter , MP Whyte , EA Imel , AM Boot , W Hogler , A Linglart , R Padidela , W Van't Hoff , M Mao , CY Chen , A Skrinar , E Kakkis , J San Martin , AA Portale

To read the full abstract: N Engl J Med 2018;378:1987-1998FGF-23 is the primary regulator of phosphate homeostasis and acts by inhibiting phosphate reabsorption in the kidney (1). Loss-of-function mutations in the gene encoding phosphate-regulating endopeptidase homolog X-linked (PHEX) results in excess circulating FGF-23, which impairs renal phosphate reabsorption causing hypophosphatemia...

ey0016.5-8 | Clinical Advances in Treatment | ESPEYB16

5.8. Burosumab versus conventional therapy in children with X-linked hypophosphataemia: a randomised, active-controlled, open-label, phase 3 trial

EA Imel , FH Glorieux , MP Whyte , CF Munns , LM Ward , O Nilsson , JH Simmons , R Padidela , N Namba , HI Cheong , P Pitukcheewanont , E Sochett , W Hogler , K Muroya , H Tanaka , GS Gottesman , A Biggin , F Perwad , M Mao , CY Chen , A Skrinar , J San Martin , AA Portale

Abstract: Lancet. 2019 May 16.In brief: In a randomised, active-controlled, open-label, phase 3 trial, burosumab (an anti-FGF23 antibody) demonstrated significantly greater clinical improvements in rickets severity, growth, and biochemistries among children with X-linked hypophosphataemia compared with continuation of conventional therapy with oral phosphate and active vitamin D ...