Adjunct faculty typically have an academic or research appointment at another institution and contribute or collaborate with one or more School of Medicine faculty members or programs.
Adjunct rank detailsDaniel Jacoby, MD
Associate Professor AdjunctAbout
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Titles
Associate Professor Adjunct
Biography
Dr. Daniel Jacoby specializes in the diagnosis and treatment of heart failure and cardiomyopathy.
Dr. Jacoby is the Founder and Director of the premier Cardiomypathy Program in the region, dedicated to serving the needs of patients, and families, living with the diagnosis of cardiomyopathy. Expert diagnosis and treatment of hypertrophic, dilated, arrhythmogenic and restrictive cardiomyopathies, as well as evaluation for causes of sudden cardiac death, are available through the Cardiomyopathy Program.
Dr. Jacoby has contributed widely to the literature of both heart failure and cardiomyopathy.
He serves as the Clinical Director of Innovation for Yale New Haven Health System. In this role Dr. Jacoby provides clinically oriented leadership for mission aligned bio-tech for internal and external partnerships and investments.
Appointments
Cardiovascular Medicine
Associate Professor AdjunctPrimary
Other Departments & Organizations
- Adult Congenital Heart Program
- Cardiovascular Medicine
- Heart Transplant and Left Ventricular Assist Device Program
- Internal Medicine
- Yale Ventures
Education & Training
- Fellow
- Columbia Presbyterian Hospital (2007)
- Chief Fellow
- Columbia Presbyterian Hospital (2007)
- Resident
- Mount Sinai Hospital (2004)
- Chief Resident
- The Mount Sinai Hospital (2004)
- MD
- Yale School of Medicine (2000)
- BA
- Yale College, Judaic Studies (1993)
Research
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Overview
Medical Research Interests
ORCID
0000-0002-9182-275X
Research at a Glance
Yale Co-Authors
Publications Timeline
Research Interests
Sangchoon Jeon, PhD
Tariq Ahmad, MD, MPH
Christopher Maulion, MD
Edward J Miller, MD, PhD
Nancy Schmieder Redeker, RN, MSN, PhD, FAHA, FAAN
Harlan Krumholz, MD, SM
Heart Failure
Heart Transplantation
Sleep
Amyloidosis
Publications
2025
Efficacy and Safety of Aficamten in Children and Adolescents With Obstructive Hypertrophic Cardiomyopathy: Study Design and Rationale of CEDAR-HCM.
Kaski J, Kantor P, Nakano S, Olivotto I, Russell M, Godown J, Chiu M, German P, Heitner S, Jacoby D, Kupfer S, Lutz J, Maharao N, Malik F, Melloni C, Nieto Morales P, Simkins T, Wei J, Ho C. Efficacy and Safety of Aficamten in Children and Adolescents With Obstructive Hypertrophic Cardiomyopathy: Study Design and Rationale of CEDAR-HCM. Circulation Heart Failure 2025, e013418. PMID: 41347307, DOI: 10.1161/circheartfailure.125.013418.Peer-Reviewed Original ResearchAltmetricConceptsObstructive hypertrophic cardiomyopathyOutflow tract gradientOpen-label extensionHypertrophic cardiomyopathyResting left ventricular outflow tract gradientLong-term open-label extensionLeft ventricular outflow tract gradientNew York Heart Association functional classSymptomatic obstructive hypertrophic cardiomyopathyPlacebo-controlled trialSecondary end pointsBaseline to weekCardiac myosin inhibitorAssessment of pharmacokineticsYears of ageDose adjustmentDouble-blindAficamtenTreatment optionsCardiac biomarkersEnd pointsExercise capacityValsalvaFunctional classPediatric participantsAficamten in Obstructive Hypertrophic Cardiomyopathy: A Multi-Domain, Patient-Level Analysis of the MAPLE-HCM Trial
Wang A, Garcia-Pavia P, Masri A, Merkely B, Nassif M, Peña-Peña M, Barriales-Villa R, Bilen O, Burroughs M, Claggett B, Costabel J, de Barros Correia E, Dybro A, Elliott P, Hegde S, Kulac I, Lakdawala N, Lewis G, Mann A, Nair A, Poulsen S, Reant P, Schulze P, Solomon S, Sohn R, Berhane I, Heitner S, Jacoby D, Kupfer S, Malik F, Wohltman A, Fifer M, Maron M, Investigators M. Aficamten in Obstructive Hypertrophic Cardiomyopathy: A Multi-Domain, Patient-Level Analysis of the MAPLE-HCM Trial. Journal Of The American College Of Cardiology 2025 PMID: 41348072, DOI: 10.1016/j.jacc.2025.10.057.Peer-Reviewed Original ResearchAltmetricConceptsKansas City Cardiomyopathy Questionnaire-Clinical Summary ScoreObstructive hypertrophic cardiomyopathySymptomatic obstructive hypertrophic cardiomyopathyClinical responseHypertrophic cardiomyopathyLeft ventricular outflow tract gradientDisease burdenPatients treated with metoprololN-terminal pro-B-type natriuretic peptideLeft atrial volume indexPro-B-type natriuretic peptideNYHA functional class IIAssessment of clinical responsePatient-centred measuresOutflow tract gradientFunctional class IINYHA functional classAtrial volume indexFirst-line therapyEfficacy outcome measuresOutcome measuresClinically relevant outcome measuresPatient-level analysisPeak oxygen consumptionAssociated with greater benefitEffect of Aficamten in Women Compared with Men with Obstructive Hypertrophic Cardiomyopathy in SEQUOIA-HCM.
Wang X, Pabon M, Makuvire T, Maimaiti R, Abraham T, Barriales-Villa R, Claggett B, Coats C, Maron M, Masri A, Meder B, Nassif M, Olivotto I, Owens A, Saberi S, Jacoby D, Heitner S, Kupfer S, Malik F, Wohltman A, Solomon S, Hegde S. Effect of Aficamten in Women Compared with Men with Obstructive Hypertrophic Cardiomyopathy in SEQUOIA-HCM. Circulation Heart Failure 2025 PMID: 41205225, DOI: 10.1161/circheartfailure.125.013918.Peer-Reviewed Original ResearchAltmetricConceptsObstructive hypertrophic cardiomyopathyLV outflow tractSecondary end pointsNT-proBNPKCCQ-CSSE/e' ratioHypertrophic cardiomyopathyKansas City Cardiomyopathy Questionnaire clinical summary scoreLeft ventricular (LV) chamber sizeSubgroup analysisLV outflow tract gradientMethods:End pointsResults:Baseline health statusHigher LVOT gradientLateral E/e' ratioNT-proBNP levelsClinical summary scoreBeta-blocker useBaseline to endBurden of diseaseEnd of treatmentExercise modesLVOT gradientEffect of Aficamten vs Metoprolol on Patient-Reported Health Status in Obstructive Hypertrophic Cardiomyopathy
Nassif M, Garcia-Pavia P, Masri A, Merkely B, Peña-Peña M, Barriales-Villa R, Bilen O, Burroughs M, Claggett B, Costabel J, de Barros Correia E, Dybro A, Elliott P, Lakdawala N, Lewis G, Mann A, Maron M, Miao Z, Nair A, Poulsen S, Reant P, Schulze P, Solomon S, Wang A, Sohn R, Berhane I, Heitner S, Jacoby D, Kupfer S, Malik F, Wohltman A, Fifer M, Spertus J, Investigators T. Effect of Aficamten vs Metoprolol on Patient-Reported Health Status in Obstructive Hypertrophic Cardiomyopathy. Journal Of The American College Of Cardiology 2025 DOI: 10.1016/j.jacc.2025.10.059.Peer-Reviewed Original ResearchCitationsAltmetricConceptsPatients' health statusHealth statusSummary scoreObstructive hypertrophic cardiomyopathySeattle Angina Questionnaire summary scorePatient-reported health statusSymptomatic obstructive hypertrophic cardiomyopathyHealth status of patientsPhysical limitation scaleKCCQ overall summary scoresHealth status scoresIndividual participants’ experience.Within-participant changesBaseline health status scoresKCCQ-OSSQuality of lifeQuestionnaire summary scoreOverall summary scorePatient's symptomsStatus of patientsParticipants' experiencesPrimary treatment goalHypertrophic cardiomyopathyIncremental benefitBaseline scoresSafety and Efficacy of Aficamten in Patients With Nonobstructive Hypertrophic Cardiomyopathy: A 96-Week Analysis From FOREST-HCM
Masri A, Sherrid M, Choudhury L, Garcia-Pavia P, Kramer C, Barriales-Villa R, Cooper R, Elliott P, Hegde S, Maron M, Nassif M, Oreziak A, Owens A, Solomon S, Tower-Rader A, Heitner S, Jacoby D, Kupfer S, Malik F, Melloni C, Simkins T, Wai J, Saberi S, Investigators T. Safety and Efficacy of Aficamten in Patients With Nonobstructive Hypertrophic Cardiomyopathy: A 96-Week Analysis From FOREST-HCM. Journal Of Cardiac Failure 2025 PMID: 41027504, DOI: 10.1016/j.cardfail.2025.09.016.Peer-Reviewed Original ResearchCitationsAltmetricCharacterization and Application of Novel Exercise Recovery Patterns That Reflect Cardiac Performance: A Substudy of the SEQUOIA-HCM Trial
Campain J, Griskowitz C, Newlands C, Claggett B, Kulac I, McGinnis S, Giverts I, Moreno F, Minasian A, Prasad C, Rupert L, Landsteiner I, Iskenderian N, Coats C, Lee M, Maron M, Owens A, Jacoby D, Heitner S, Kupfer S, Malik F, Wohltman A, Malhotra R, Lewis G. Characterization and Application of Novel Exercise Recovery Patterns That Reflect Cardiac Performance: A Substudy of the SEQUOIA-HCM Trial. Circulation 2025, 152: 990-1002. PMID: 40910168, PMCID: PMC12493091, DOI: 10.1161/circulationaha.124.073585.Peer-Reviewed Original ResearchCitationsAltmetricConceptsCardiopulmonary exercise testingPeak VOObstructive hypertrophic cardiomyopathyLeft ventricular outflow tract gradientExercise testOutflow tract gradientCardiopulmonary exercise test protocolsExercise test protocolPrimary outcomeDisease-specific treatmentHypertrophic cardiomyopathyCardiac performanceCardiac functionTreatment of obstructive hypertrophic cardiomyopathySymptomatic obstructive hypertrophic cardiomyopathyLongitudinal measurementsHigh-sensitivity cardiac troponin IPeripheral oxygen extractionEvent-free survivalHeart failure hospitalizationHazard ratioAll-cause deathAdvanced heart failureReferral cohortCardiac troponin ILow Incidence of Atrial Fibrillation in Patients with Obstructive HCM Treated with Aficamten: An Analysis from the REDWOOD-HCM, SEQUOIA-HCM and FOREST-HCM Trials
Rowin E, Maron M, Olivotto I, Coats C, Abraham T, Nassif M, Barriales-Villa R, Saberi S, Heitner S, Jacoby D, Kupfer S, Malik F, Simkins T, Wei J, Masri A, REDWOOD-HCM S. Low Incidence of Atrial Fibrillation in Patients with Obstructive HCM Treated with Aficamten: An Analysis from the REDWOOD-HCM, SEQUOIA-HCM and FOREST-HCM Trials. Heart Rhythm 2025 PMID: 40897259, DOI: 10.1016/j.hrthm.2025.08.031.Peer-Reviewed Original ResearchAltmetricAficamten or Metoprolol Monotherapy for Obstructive Hypertrophic Cardiomyopathy
Garcia-Pavia P, Maron M, Masri A, Merkely B, Nassif M, Peña-Peña M, Barriales-Villa R, Bilen O, Burroughs M, Claggett B, Costabel J, Correia E, Dybro A, Elliott P, Hegde S, Lakdawala N, Lewis G, Mann A, Miao Z, Nair A, Poulsen S, Reant P, Schulze P, Solomon S, Wang A, Sohn R, Berhane I, Heitner S, Jacoby D, Kupfer S, Malik F, Wohltman A, Fifer M. Aficamten or Metoprolol Monotherapy for Obstructive Hypertrophic Cardiomyopathy. The New England Journal Of Medicine 2025, 393: 949-960. PMID: 40888697, DOI: 10.1056/nejmoa2504654.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsLeft ventricular outflow tract gradientSymptomatic obstructive hypertrophic cardiomyopathyOutflow tract gradientObstructive hypertrophic cardiomyopathyLeft atrial volume indexLeft ventricular mass indexAtrial volume indexVentricular mass indexHypertrophic cardiomyopathyPeak oxygen uptakeKCCQ-CSSMetoprolol monotherapyMetoprolol groupNT-proBNPValsalva maneuverBeta-blockersKansas City Cardiomyopathy Questionnaire clinical summary scoreMass indexN-terminal pro-B-type natriuretic peptidePro-B-type natriuretic peptideVolume indexDouble-dummy trialNT-proBNP levelsSecondary end pointsCardiac myosin inhibitorEffect of Aficamten Compared With Metoprolol on Echocardiographic Measures in Symptomatic Obstructive Hypertrophic Cardiomyopathy MAPLE-HCM
Hegde S, Wang X, Garcia-Pavia P, Getchevski S, Masri A, Merkely B, Nassif M, Peña-Peña M, Barriales-Villa R, Bilen O, Burroughs M, Claggett B, Costabel J, de Barros Correia E, Dybro A, Elliott P, Lakdawala N, Mann A, Maron M, Nair A, Poulsen S, Reant P, Schulze P, Wang A, Sohn R, Berhane I, Heitner S, Jacoby D, Kupfer S, Malik F, Wohltman A, Fifer M, Solomon S, Investigators M. Effect of Aficamten Compared With Metoprolol on Echocardiographic Measures in Symptomatic Obstructive Hypertrophic Cardiomyopathy MAPLE-HCM. Journal Of The American College Of Cardiology 2025, 86: 2452-2467. PMID: 40932433, DOI: 10.1016/j.jacc.2025.08.022.Peer-Reviewed Original ResearchCitationsAltmetricConceptsLeft ventricular ejection fractionSymptomatic obstructive hypertrophic cardiomyopathyObstructive hypertrophic cardiomyopathyMitral valve systolic anterior motionLeft atrial volume indexAtrial volume indexSystolic anterior motionEffects of monotherapyHypertrophic cardiomyopathyAnterior motionDiastolic functionMitral regurgitationCardiac structureMeasures of LV diastolic functionLV global longitudinal strainVolume indexEchocardiographic measures of cardiac structureMeasures of cardiac structureOutflow tract gradientLV diastolic functionFirst-line therapyGlobal circumferential strainGlobal longitudinal strainVentricular ejection fractionMaximal wall thicknessHealth Care Resource Use and Economic Burden in Patients With Symptomatic Obstructive Hypertrophic Cardiomyopathy and Atrial Fibrillation
Stendahl J, Sen S, Butzner M, Papademetriou E, Potluri R, Liu X, Jacoby D, Freeman J. Health Care Resource Use and Economic Burden in Patients With Symptomatic Obstructive Hypertrophic Cardiomyopathy and Atrial Fibrillation. Journal Of The American Heart Association 2025, 14: e038755. PMID: 40847492, PMCID: PMC12553423, DOI: 10.1161/jaha.124.038755.Peer-Reviewed Original ResearchAltmetricMeSH Keywords and ConceptsConceptsSymptomatic obstructive hypertrophic cardiomyopathyObstructive hypertrophic cardiomyopathyHealth care resource useCare resource useHealth care costsAtrial fibrillationTotal health care costsIncident AFCare costsHypertrophic cardiomyopathyRetrospective analysisSeptal reduction therapyGreater health care costsRetrospective analysis of claims dataDiagnosis of AFImpact of AFResource useAnalysis of claims dataAdult patientsReduction therapyPatient managementUrgent carePatientsClaims dataCardiomyopathy
Academic Achievements & Community Involvement
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Activities
activity Innovation Executive Committee Yale New Haven Health
10/15/2020 - PresentCommitteesCo-ChairDetailsGuide system efforts in culture, investment, and strategy for healthcare innovation in data science, clinical diagnostics, remote patient monitoring, and device development.activity Nature Reviews Cardiology
03/08/2021 - PresentJournal ServiceRevieweractivity Section of Cardiovascular Disease Fellowship Training Program
2010 - PresentCommitteesMemberDetailsParticipate in candidate interview and selection processactivity Pediatric Cardiology Chief Search Committee
2011 - PresentCommitteesMemberDetailsReviewed candidate options. Interviewed candidates. Provided feedback and participated in debate and discussion in the selection of the Pediatric Cardiology Chief position.activity Quality Assurance and Process Improvement Committee Co-Chair
02/01/2014 - PresentCommitteesCo-ChairDetailsReview regulatory and quality metrics. Guide program through regulatory visits. Identify and improve on existing program structure for growth, quality, and efficiency. Solicit input from faculty and staff regarding program function. Establish metrics for dashboard population and review. Supervise development of internal metrics dashboard. Report out to Yale New Haven Transplant Center Quality Assessment and Process Improvement meeting.
Honors
honor Teacher of the Year
05/01/2008Yale School of Medicine AwardYale New Haven Hospitalist ProgramDetailsUnited Stateshonor Humanism in Medicine
06/15/2004Other AwardAlpha Omega AlphaDetailsUnited States
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