2022
Long-term Burosumab Administration Is Safe and Effective in Adults With X-linked Hypophosphatemia
Weber TJ, Imel EA, Carpenter TO, Peacock M, Portale AA, Hetzer J, Merritt JL, Insogna K. Long-term Burosumab Administration Is Safe and Effective in Adults With X-linked Hypophosphatemia. The Journal Of Clinical Endocrinology & Metabolism 2022, 108: 155-165. PMID: 36072994, PMCID: PMC9759172, DOI: 10.1210/clinem/dgac518.Peer-Reviewed Original ResearchConceptsSerum phosphate levelsPatient-reported outcomesNormal rangeBurosumab therapyTreatment optionsEffective long-term treatment optionLong-term extension studyLong-term treatment optionNew safety findingsBone turnover markersLong-term administrationPhosphate levelsRespective normal rangesProportion of subjectsLong-term safetyLast doseAdult patientsClinical responseSafety findingsTurnover markersSerum phosphateBone biomarkersStudy endWeek 12Burosumab treatmentEfficacy of Burosumab in Adults with X-linked Hypophosphatemia (XLH): A Post Hoc Subgroup Analysis of a Randomized Double-Blind Placebo-Controlled Phase 3 Study
Brandi ML, Jan de Beur S, Briot K, Carpenter T, Cheong HI, Cohen-Solal M, Crowley RK, Eastell R, Imanishi Y, Imel EA, Ing SW, Insogna K, Ito N, Javaid K, Kamenicky P, Keen R, Kubota T, Lachmann RH, Perwad F, Pitukcheewanont P, Portale A, Ralston SH, Tanaka H, Weber TJ, Yoo HW, Sun W, Williams A, Nixon A, Takeuchi Y. Efficacy of Burosumab in Adults with X-linked Hypophosphatemia (XLH): A Post Hoc Subgroup Analysis of a Randomized Double-Blind Placebo-Controlled Phase 3 Study. Calcified Tissue International 2022, 111: 409-418. PMID: 35927518, DOI: 10.1007/s00223-022-01006-7.Peer-Reviewed Original ResearchConceptsPhase 3 studySubgroup analysisPhysical functionMean serum phosphate concentrationPost-hoc subgroup analysesAdditional efficacy endpointsPlacebo-controlled periodDouble-blind placeboSerum phosphate concentrationEfficacy endpointPain domainPain medicationTreatment armsSymptomatic adultsOpioid/Western OntarioBurosumabPlaceboTest distanceHypophosphatemiaRelevant subgroupsTotal scoreEndpointConfidence intervalsSubgroup variablesThe clinician’s guide to prevention and treatment of osteoporosis
LeBoff M, Greenspan S, Insogna K, Lewiecki E, Saag K, Singer A, Siris E. The clinician’s guide to prevention and treatment of osteoporosis. Osteoporosis International 2022, 33: 2049-2102. PMID: 35478046, PMCID: PMC9546973, DOI: 10.1007/s00198-021-05900-y.Peer-Reviewed Original ResearchConceptsTreatment of osteoporosisClinician's GuideVertebral fracturesFracture riskElevated riskCommon metabolic bone diseaseSubclinical vertebral fracturesAvoidance of smokingHigh-risk womenExpert clinical experiencePrimary care providersExcessive alcohol intakeFuture fracture riskNational Osteoporosis FoundationAdditional vertebral fracturesMetabolic bone diseaseDXA T-scoresAdult healthcare settingsDiagnosis of osteoporosisResistance training exercisesSignificant economic tollIncident fracturesNormal BMDUntreated osteoporosisPostmenopausal women
2021
Musculoskeletal Features in Adults With X-linked Hypophosphatemia: An Analysis of Clinical Trial and Survey Data
Javaid MK, Ward L, Pinedo-Villanueva R, Rylands AJ, Williams A, Insogna K, Imel EA. Musculoskeletal Features in Adults With X-linked Hypophosphatemia: An Analysis of Clinical Trial and Survey Data. The Journal Of Clinical Endocrinology & Metabolism 2021, 107: e1249-e1262. PMID: 34636401, PMCID: PMC8852215, DOI: 10.1210/clinem/dgab739.Peer-Reviewed Original ResearchConceptsMusculoskeletal featuresClinical trialsHistory of fractureClinical Trials GroupAge 20 yearsClinical trial subjectsProportion of adultsMusculoskeletal manifestationsPain subgroupsSpinal stenosisGroup of adultsOverall prevalenceTrial groupLow prevalenceAge bandsTrial subjectsOnline survey participantsAdultsAgeSurgeryHigh ratePrevalenceXLHTrialsSurvey participantsBurosumab treatment in adults with X-linked hypophosphataemia: 96-week patient-reported outcomes and ambulatory function from a randomised phase 3 trial and open-label extension
Briot K, Portale AA, Brandi ML, Carpenter TO, Cheong HI, Cohen-Solal M, Crowley RK, Eastell R, Imanishi Y, Ing S, Insogna K, Ito N, de Beur S, Javaid MK, Kamenicky P, Keen R, Kubota T, Lachmann RH, Perwad F, Pitukcheewanont P, Ralston SH, Takeuchi Y, Tanaka H, Weber TJ, Yoo HW, Nixon A, Nixon M, Sun W, Williams A, Imel EA. Burosumab treatment in adults with X-linked hypophosphataemia: 96-week patient-reported outcomes and ambulatory function from a randomised phase 3 trial and open-label extension. RMD Open 2021, 7: e001714. PMID: 34548383, PMCID: PMC8458321, DOI: 10.1136/rmdopen-2021-001714.Peer-Reviewed Original ResearchConceptsBrief Pain Inventory-Short FormPatient-reported outcomesBrief Fatigue InventoryBPI-SF scoresAmbulatory functionWeek 96Burosumab treatmentMcMaster Universities Osteoarthritis IndexOpen-label extensionDouble-blinded trialPhase 3 trialMin walk testSignificant improvementWOMAC stiffnessOsteoarthritis IndexWeek 48Worse fatigueWeek 24Walk testFatigue InventoryWestern OntarioBFI scoresSubstantial burdenWOMACBurosumab
2020
Burosumab for the Treatment of Tumor‐Induced Osteomalacia
de Beur S, Miller PD, Weber TJ, Peacock M, Insogna K, Kumar R, Rauch F, Luca D, Cimms T, Roberts MS, San Martin J, Carpenter TO. Burosumab for the Treatment of Tumor‐Induced Osteomalacia. Journal Of Bone And Mineral Research 2020, 36: 627-635. PMID: 33338281, PMCID: PMC8247961, DOI: 10.1002/jbmr.4233.Peer-Reviewed Original ResearchConceptsTumor-induced osteomalaciaCutaneous skeletal hypophosphatemia syndromeSerious adverse eventsAdverse eventsWeek 144Week 48Serum phosphorusTreatment-related adverse eventsFibroblast growth factor 23Surface/bone surfaceAcceptable safety profileOsteoid surface/bone surfacePhase 2 studyGrowth factor 23Phosphaturic mesenchymal tumorTransiliac bone biopsiesHuman monoclonal antibodyMineralization lag timePhosphate metabolismQuality of lifeDose titrationFactor 23Safety profileMesenchymal tumorsSkeletal healthNew Therapies for Hypophosphatemia-Related to FGF23 Excess
Athonvarangkul D, Insogna KL. New Therapies for Hypophosphatemia-Related to FGF23 Excess. Calcified Tissue International 2020, 108: 143-157. PMID: 32504139, DOI: 10.1007/s00223-020-00705-3.BooksConceptsTumor-induced osteomalaciaCutaneous skeletal hypophosphatemia syndromeEpidermal nevus syndromeAutosomal dominant hypophosphatemic ricketsAutosomal recessive hypophosphatemic ricketsHypophosphatemic ricketsForms of FGF23Treatment of XLHActive comparator trialsMainstay of therapyMonoclonal blocking antibodyNew treatment modalitiesMcCune-Albright syndromeRenal phosphate wastingRecessive hypophosphatemic ricketsDominant hypophosphatemic ricketsFGF23 excessComparator trialsSkeletal complicationsChronic hypophosphatemiaMusculoskeletal syndromeOngoing trialsClinical presentationTreatment modalitiesClinical trials
2019
Burosumab Improved Histomorphometric Measures of Osteomalacia in Adults with X‐Linked Hypophosphatemia: A Phase 3, Single‐Arm, International Trial
Insogna KL, Rauch F, Kamenický P, Ito N, Kubota T, Nakamura A, Zhang L, Mealiffe M, San Martin J, Portale AA. Burosumab Improved Histomorphometric Measures of Osteomalacia in Adults with X‐Linked Hypophosphatemia: A Phase 3, Single‐Arm, International Trial. Journal Of Bone And Mineral Research 2019, 34: 2183-2191. PMID: 31369697, PMCID: PMC6916280, DOI: 10.1002/jbmr.3843.Peer-Reviewed Original ResearchConceptsAdverse eventsWeek 48Fracture healingMore treatment-emergent adverse eventsTreatment-emergent adverse eventsProcedure-related adverse eventsOsteoid volume/bone volumeMost adverse eventsSerious adverse eventsTransiliac bone biopsiesSerum phosphorus concentrationPoor bone qualityRenal phosphate reabsorptionHuman monoclonal antibodyBone painPersistent osteomalaciaSubcutaneous burosumabPrimary endpointSkeletal complicationsAtraumatic fracturesChronic hypophosphatemiaSerum phosphorusDihydroxyvitamin DBone turnoverBone biopsyContinued Beneficial Effects of Burosumab in Adults with X-Linked Hypophosphatemia: Results from a 24-Week Treatment Continuation Period After a 24-Week Double-Blind Placebo-Controlled Period
Portale AA, Carpenter TO, Brandi ML, Briot K, Cheong HI, Cohen-Solal M, Crowley R, Jan De Beur S, Eastell R, Imanishi Y, Imel EA, Ing S, Ito N, Javaid M, Kamenicky P, Keen R, Kubota T, Lachmann R, Perwad F, Pitukcheewanont P, Ralston SH, Takeuchi Y, Tanaka H, Weber TJ, Yoo HW, Zhang L, Theodore-Oklota C, Mealiffe M, San Martin J, Insogna K. Continued Beneficial Effects of Burosumab in Adults with X-Linked Hypophosphatemia: Results from a 24-Week Treatment Continuation Period After a 24-Week Double-Blind Placebo-Controlled Period. Calcified Tissue International 2019, 105: 271-284. PMID: 31165191, DOI: 10.1007/s00223-019-00568-3.Peer-Reviewed Original ResearchConceptsWeek 48Adverse eventsWeek 24Sustained improvementTreatment-related serious adverse eventsOpen-label treatment periodSafety of burosumabDouble-blind placeboFatal adverse eventsSerious adverse eventsSerum phosphorus levelsPatient-reported outcomesSerum phosphorus concentrationRenal phosphate wastingHuman monoclonal antibodyContinued beneficial effectsHealing of fracturesRare genetic disorderMusculoskeletal morbidityPhysical functionContinuation periodMusculoskeletal impairmentsPhosphate wastingTreatment periodBurosumabClinical and genetic analysis in a large Chinese cohort of patients with X-linked hypophosphatemia
Zhang C, Zhao Z, Sun Y, Xu L, JiaJue R, Cui L, Pang Q, Jiang Y, Li M, Wang O, He X, He S, Nie M, Xing X, Meng X, Zhou X, Yan L, Kaplan JM, Insogna KL, Xia W. Clinical and genetic analysis in a large Chinese cohort of patients with X-linked hypophosphatemia. Bone 2019, 121: 212-220. PMID: 30682568, DOI: 10.1016/j.bone.2019.01.021.Peer-Reviewed Original ResearchAdolescentAdultChildChild, PreschoolChinaFamilial Hypophosphatemic RicketsFemaleFibroblast Growth Factor-23Fibroblast Growth FactorsGenetic Association StudiesHumansInfantMaleMiddle AgedMutationPHEX Phosphate Regulating Neutral EndopeptidasePoint MutationRetrospective StudiesSex CharacteristicsYoung Adult
2018
Primary Hyperparathyroidism
Insogna KL. Primary Hyperparathyroidism. New England Journal Of Medicine 2018, 379: 1050-1059. PMID: 30207907, DOI: 10.1056/nejmcp1714213.BooksA 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 subscaleAnimal versus plant protein and adult bone health: A systematic review and meta-analysis from the National Osteoporosis Foundation
Shams-White MM, Chung M, Fu Z, Insogna KL, Karlsen MC, LeBoff MS, Shapses SA, Sackey J, Shi J, Wallace TC, Weaver CM. Animal versus plant protein and adult bone health: A systematic review and meta-analysis from the National Osteoporosis Foundation. PLOS ONE 2018, 13: e0192459. PMID: 29474360, PMCID: PMC5825010, DOI: 10.1371/journal.pone.0192459.Peer-Reviewed Original ResearchConceptsBone mineral densityBone mineral contentTB bone mineral contentStrength of evidenceTotal hipLumbar spineBone healthTotal bodyFemoral neck (FN) BMDHealthy adultsSystematic reviewTB bone mineral densityIsoflavone-rich soy proteinProspective cohort studyAdult bone healthPost-menopausal womenSoy protein consumptionNational Osteoporosis FoundationMeta-analysis resultsCohort studyBMD outcomesBone biomarkersMineral densityStatistical heterogeneityResorption biomarkersThree-Month Randomized Clinical Trial of Nasal Calcitonin in Adults with X-linked Hypophosphatemia
Sullivan R, Abraham A, Simpson C, Olear E, Carpenter T, Deng Y, Chen C, Insogna KL. Three-Month Randomized Clinical Trial of Nasal Calcitonin in Adults with X-linked Hypophosphatemia. Calcified Tissue International 2018, 102: 666-670. PMID: 29383408, PMCID: PMC5957766, DOI: 10.1007/s00223-017-0382-0.Peer-Reviewed Original ResearchConceptsLevels of FGF23Nasal salmon calcitoninSalmon calcitoninStudy drugVisit 2Day 2Levels of PTHPrincipal outcome variableTmP/GFRSingle subcutaneous dosePlacebo nasal sprayNasal calcitoninSerum calciumSubcutaneous doseVisit 4Dihydroxyvitamin DSerum phosphorusVisit 3Final doseVisit 1Nasal sprayClinical trialsSerial measurementsDrug doseFGF23 production
2016
Longitudinal increase in vitamin D binding protein levels after initiation of tenofovir/lamivudine/efavirenz among individuals with HIV
Hsieh E, Fraenkel L, Han Y, Xia W, Insogna KL, Yin MT, Zhu T, Cheng X, Li T. Longitudinal increase in vitamin D binding protein levels after initiation of tenofovir/lamivudine/efavirenz among individuals with HIV. AIDS 2016, 30: 1935-1942. PMID: 27124896, PMCID: PMC4949136, DOI: 10.1097/qad.0000000000001131.Peer-Reviewed Original ResearchConceptsTenofovir disoproxil fumarateVitamin DProcollagen type 1 N-terminal propeptideInitiation of TDFTenofovir/lamivudine/efavirenzVitamin D binding protein (VDBP) levelsCollagen type 1 cross-linked C-telopeptideIntact parathyroid hormone levelsCross-linked C-telopeptideIntact parathyroid hormoneParathyroid hormone levelsTotal procollagen type 1 N-terminal propeptideBinding protein levelsProtein levelsMulticenter clinical trialPlasma samplesOngoing multicenter clinical trialsN-terminal propeptideClinical characteristicsParathyroid hormoneBone lossFormation markersDisoproxil fumarateC-telopeptideBone resorptionEffect of a randomized controlled exercise trial on bone outcomes: influence of adjuvant endocrine therapy
Knobf MT, Jeon S, Smith B, Harris L, Kerstetter J, Thompson AS, Insogna K. Effect of a randomized controlled exercise trial on bone outcomes: influence of adjuvant endocrine therapy. Breast Cancer Research And Treatment 2016, 155: 491-500. PMID: 26850265, DOI: 10.1007/s10549-016-3693-3.Peer-Reviewed Original ResearchConceptsFemale cancer survivorsPhysical activity groupEndocrine therapyBone outcomesExercise interventionBone lossFemoral neckAromatase inhibitorsActivity groupAdjuvant AI therapyChemotherapy-induced menopauseSufficient serum levelsAdjuvant endocrine therapyVitamin D supplementsHealthy postmenopausal womenLess bone lossHome-based groupSignificant BMD lossSignificant clinical problemMajority of subjectsAI therapyD supplementsPostmenopausal womenBMD lossBMD outcomes
2015
Pharmacokinetics and pharmacodynamics of a human monoclonal anti‐FGF23 antibody (KRN23) in the first multiple ascending‐dose trial treating adults with X‐linked hypophosphatemia
Zhang X, Imel EA, Ruppe MD, Weber TJ, Klausner MA, Ito T, Vergeire M, Humphrey J, Glorieux FH, Portale AA, Insogna K, Carpenter TO, Peacock M. Pharmacokinetics and pharmacodynamics of a human monoclonal anti‐FGF23 antibody (KRN23) in the first multiple ascending‐dose trial treating adults with X‐linked hypophosphatemia. The Journal Of Clinical Pharmacology 2015, 56: 176-185. PMID: 26073451, PMCID: PMC5042055, DOI: 10.1002/jcph.570.Peer-Reviewed Original ResearchConceptsConcentration-time curveSerum fibroblast growth factor 23Multiple ascending dose trialFibroblast growth factor 23Ascending dose trialHuman IgG1 monoclonal antibodyLow-normal serumRecombinant human IgG1 monoclonal antibodyDihydroxyvitamin D concentrationsGlomerular filtration rateGrowth factor 23Serum inorganic phosphorusSerum Pi concentrationIgG1 monoclonal antibodyFGF23 antibodyDose adjustmentFactor 23Serum PiFiltration ratePhosphate reabsorptionBone markersKRN23D concentrationsNormal serumMonoclonal antibodiesConventional Therapy in Adults With X-Linked Hypophosphatemia: Effects on Enthesopathy and Dental Disease
Connor J, Olear EA, Insogna KL, Katz L, Baker S, Kaur R, Simpson CA, Sterpka J, Dubrow R, Zhang JH, Carpenter TO. Conventional Therapy in Adults With X-Linked Hypophosphatemia: Effects on Enthesopathy and Dental Disease. The Journal Of Clinical Endocrinology & Metabolism 2015, 100: 3625-3632. PMID: 26176801, PMCID: PMC4596038, DOI: 10.1210/jc.2015-2199.Peer-Reviewed Original ResearchConceptsSevere dental diseaseHospital research unitDental diseaseDisease severityXLH patientsMajor long-term morbidityActive vitamin D metaboliteAdult XLH patientsLong-term morbidityVitamin D metabolitesAdult lifeMultiple logistic regressionRadiographic skeletal surveySignificant predictorsProportion of adultsConventional therapyD metabolitesSkeletal surveyLower riskExposure variablesLogistic regressionDiseaseEnthesopathySkeletal deformitiesTreatment variablesProlonged Correction of Serum Phosphorus in Adults With X-Linked Hypophosphatemia Using Monthly Doses of KRN23
Imel EA, Zhang X, Ruppe MD, Weber TJ, Klausner MA, Ito T, Vergeire M, Humphrey JS, Glorieux FH, Portale AA, Insogna K, Peacock M, Carpenter TO. Prolonged Correction of Serum Phosphorus in Adults With X-Linked Hypophosphatemia Using Monthly Doses of KRN23. The Journal Of Clinical Endocrinology & Metabolism 2015, 100: 2565-2573. PMID: 25919461, PMCID: PMC4495171, DOI: 10.1210/jc.2015-1551.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntibodies, MonoclonalAntibodies, Monoclonal, HumanizedDose-Response Relationship, DrugDrug Administration ScheduleFamilial Hypophosphatemic RicketsFemaleFibroblast Growth Factor-23Fibroblast Growth FactorsGlomerular Filtration RateHumansImmunoglobulin GMaleMiddle AgedPhosphorusRecombinant ProteinsTreatment OutcomeYoung AdultConceptsTmP/GFRSerum PiNormal rangeOpen-label phase 1/2 studyElevated fibroblast growth factor 23Fibroblast growth factor 23Phase 1/2 studyDose-escalation studyGlomerular filtration ratePre-dose levelsGrowth factor 23Favorable safety profileMain outcome measuresProportion of subjectsAcademic medical centerPeak PiSerum inorganic phosphorusPg/mLUrinary calciumDose escalationFactor 23Monthly dosesSerum phosphorusDihydroxyvitamin DSafety profile
2014
Osteoporosis knowledge, self-efficacy, and health beliefs among Chinese individuals with HIV
Hsieh E, Fraenkel L, Bradley EH, Xia W, Insogna KL, Cui Q, Li K, Li T. Osteoporosis knowledge, self-efficacy, and health beliefs among Chinese individuals with HIV. Archives Of Osteoporosis 2014, 9: 201. PMID: 25487753, PMCID: PMC4269230, DOI: 10.1007/s11657-014-0201-4.Peer-Reviewed Original ResearchConceptsHealth Belief ModelInternational Physical Activity QuestionnaireHealth beliefsPhysical activityPreventive behaviorsOsteoporosis Health Belief ScaleOsteoporosis Self-Efficacy ScaleVitamin D intakeClinical risk factorsDietary calcium intakeBelief ModelLow physical activityOsteoporosis Knowledge TestPhysical Activity QuestionnaireMultivariate logistic regressionMulti-center trialCross-sectional studyHealth Belief ScalePreventive health behaviorsChinese individualsManual labor occupationD intakeCalcium intakeAverage BMIOsteoporosis knowledge