2024
Impact of burosumab on lower limb alignment in children with X-linked hypophosphatemia
Frumberg D, Merritt J, Chen A, Carpenter T. Impact of burosumab on lower limb alignment in children with X-linked hypophosphatemia. Journal Of The Pediatric Orthopaedic Society Of North America 2024, 6: 100012. DOI: 10.1016/j.jposna.2024.100012.Peer-Reviewed Original ResearchMechanical femoral-tibial angleLower limbsNeutral alignmentLower limb malalignmentLower limb alignmentLevel of Evidence IIIX-linked hypophosphatemiaLower limb deformitiesFemoral-tibial angleLower limb radiographsValgus limbsLimb malalignmentImpact of burosumabLimb alignmentLimb radiographsCrossover armAngular deformityNormal limbsLimb deformitiesLimbVarusMalalignmentClinically normal limbsHemiepiphysiodesisBaseline
2022
OR13-2 Characterizing the Impact of Burosumab on Bone Health in Children with X-Linked Hypophosphatemia: Results from Year 1 of the Disease Monitoring Program
Carpenter T, Cassinelli H, Glorieux F, Hetzer J, Merritt J, Moreira C, Portale A, Ward L, Woo C, Imel E. OR13-2 Characterizing the Impact of Burosumab on Bone Health in Children with X-Linked Hypophosphatemia: Results from Year 1 of the Disease Monitoring Program. Journal Of The Endocrine Society 2022, 6: a191-a192. PMCID: PMC9624613, DOI: 10.1210/jendso/bvac150.395.Peer-Reviewed Original ResearchSerum alkaline phosphatase levelsNew safety concernsAlkaline phosphatase levelsLower limb deformitiesGroup 1Serum phosphorusGroup 2Group 3Burosumab therapyBone healthPhosphatase levelsHeight z-score changeLimb deformitiesHuman IgG1 monoclonal antibodyYear 1 visitRecombinant human IgG1 monoclonal antibodySerum phosphorus levelsZ-score changeYears of treatmentRadiographic Global ImpressionYear 1Safety concernsIgG1 monoclonal antibodyBone painDMP enrolment
2018
A Randomized, Double‐Blind, Placebo‐Controlled, Phase 3 Trial Evaluating the Efficacy of Burosumab, an Anti‐FGF23 Antibody, in Adults With X‐Linked Hypophosphatemia: Week 24 Primary Analysis
Insogna KL, Briot K, Imel EA, Kamenický P, Ruppe MD, Portale AA, Weber T, Pitukcheewanont P, Cheong HI, de Beur S, Imanishi Y, Ito N, Lachmann RH, Tanaka H, Perwad F, Zhang L, Chen C, Theodore‐Oklota C, Mealiffe M, San Martin J, Carpenter TO, Investigators O. A Randomized, Double‐Blind, Placebo‐Controlled, Phase 3 Trial Evaluating the Efficacy of Burosumab, an Anti‐FGF23 Antibody, in Adults With X‐Linked Hypophosphatemia: Week 24 Primary Analysis. Journal Of Bone And Mineral Research 2018, 33: 1383-1393. PMID: 29947083, DOI: 10.1002/jbmr.3475.Peer-Reviewed Original ResearchConceptsTreatment-related serious adverse eventsMean serum phosphate concentrationWOMAC physical function subscaleFibroblast growth factor 23Intact parathyroid hormoneSerious adverse eventsPhase 3 trialPhysical function subscaleChronic musculoskeletal painGrowth factor 23Serum phosphate concentrationRenal phosphate wastingHuman monoclonal antibodyLower limb deformitiesImportant medical needStiffness subscalePlacebo groupUrine calciumWorst painAdverse eventsWeek 24Dental abscessMusculoskeletal painFactor 23Function subscale