2021
Effect of Mavacamten on Echocardiographic Features in Symptomatic Patients With Obstructive Hypertrophic Cardiomyopathy
Hegde SM, Lester SJ, Solomon SD, Michels M, Elliott PM, Nagueh SF, Choudhury L, Zemanek D, Zwas DR, Jacoby D, Wang A, Ho CY, Li W, Sehnert AJ, Olivotto I, Abraham TP. Effect of Mavacamten on Echocardiographic Features in Symptomatic Patients With Obstructive Hypertrophic Cardiomyopathy. Journal Of The American College Of Cardiology 2021, 78: 2518-2532. PMID: 34915982, DOI: 10.1016/j.jacc.2021.09.1381.Peer-Reviewed Original ResearchConceptsObstructive hypertrophic cardiomyopathySystolic anterior motionAnterior motionDiastolic functionHypertrophic cardiomyopathyN-terminal pro-B-type natriuretic peptideMitral valve systolic anterior motionPro-B-type natriuretic peptidePeak exercise oxygen consumptionLeft ventricular diastolic functionVentricular outflow tract obstructionKey echocardiographic parametersAtrial volume indexOutflow tract obstructionVentricular diastolic functionExercise oxygen consumptionEffect of mavacamtenMyocardial wall stressEXPLORER-HCMLVOT gradientEchocardiographic featuresEchocardiographic parametersLVOT obstructionTract obstructionExercise capacityMavacamten for treatment of symptomatic obstructive hypertrophic cardiomyopathy (EXPLORER-HCM): health status analysis of a randomised, double-blind, placebo-controlled, phase 3 trial
Spertus JA, Fine JT, Elliott P, Ho CY, Olivotto I, Saberi S, Li W, Dolan C, Reaney M, Sehnert AJ, Jacoby D. Mavacamten for treatment of symptomatic obstructive hypertrophic cardiomyopathy (EXPLORER-HCM): health status analysis of a randomised, double-blind, placebo-controlled, phase 3 trial. The Lancet 2021, 397: 2467-2475. PMID: 34004177, DOI: 10.1016/s0140-6736(21)00763-7.Peer-Reviewed Original ResearchConceptsKansas City Cardiomyopathy QuestionnaireSymptomatic obstructive hypertrophic cardiomyopathyObstructive hypertrophic cardiomyopathyHypertrophic cardiomyopathyPatients' health statusQuality of lifeHealth statusWeek 30KCCQ overall summary scoreAvailable pharmacological optionsKCCQ-OS scorePlacebo-controlled trialPhase 3 trialProportion of patientsPrimary treatment goalOverall summary scoreDisease-specific measuresEffect of mavacamtenHealth status analysisNew potential strategyEXPLORER-HCMPlacebo groupAdult patientsBristol-Myers Squibb CompanyPharmacological options
2020
Study Design and Rationale of EXPLORER-HCM
Ho CY, Olivotto I, Jacoby D, Lester SJ, Roe M, Wang A, Waldman CB, Zhang D, Sehnert AJ, Heitner SB. Study Design and Rationale of EXPLORER-HCM. Circulation Heart Failure 2020, 13: e006853. PMID: 32498620, DOI: 10.1161/circheartfailure.120.006853.Peer-Reviewed Original ResearchConceptsNew York Heart Association classLV outflow tract obstructionObstructive hypertrophic cardiomyopathyOutflow tract obstructionPeak oxygen consumptionEXPLORER-HCMTract obstructionAssociation classEnd pointExercise capacityNew York Heart Association functional class IIDynamic LV outflow tract obstructionKansas City Cardiomyopathy QuestionnaireLV outflow tract gradientSymptomatic obstructive hypertrophic cardiomyopathyUnexplained left ventricular hypertrophyOxygen consumptionExploratory end pointsFunctional class IIOutflow tract gradientPlacebo-controlled trialSecondary end pointsPhase 2 studyPhase 3 trialCurrent medical therapy