2023
Dectin-1 stimulation promotes a distinct inflammatory signature in the setting of HIV-infection and aging
Kumar A, Wang J, Esterly A, Radcliffe C, Zhou H, Wyk B, Allore H, Tsang S, Barakat L, Mohanty S, Zhao H, Shaw A, Zapata H. Dectin-1 stimulation promotes a distinct inflammatory signature in the setting of HIV-infection and aging. Aging 2023, 15: 7866-7908. PMID: 37606991, PMCID: PMC10497004, DOI: 10.18632/aging.204927.Peer-Reviewed Original ResearchConceptsDectin-1 stimulationDendritic cellsHIV-positive older adultsOlder adultsDectin-1 functionDistinct immune signaturesDistinct inflammatory signatureMonocytes of HIVCohort of HIVIFN-α productionPro-inflammatory environmentIFN-γ responsesPro-inflammatory phenotypeInnate immune receptorsDistinct gene signaturesStimulation of monocytesInflammatory signatureImmune signaturesHIV infectionIL-12Macrophage signatureCytokine productionIL-6Cytokine increaseHIVExpanded or Risk Factor-Based Annual Screening for Hepatitis C Virus (HCV) Among Persons With HIV: Which Is the Best Approach?
Hao R, Brooks R, Zelenev A, Spinner G, Barakat L, Villanueva M. Expanded or Risk Factor-Based Annual Screening for Hepatitis C Virus (HCV) Among Persons With HIV: Which Is the Best Approach? Health Promotion Practice 2023, 24: 1009-1017. PMID: 37439817, DOI: 10.1177/15248399231169794.Peer-Reviewed Original ResearchConceptsHepatitis C virusRisk factor-based screeningElectronic medical recordsHIV clinicAnnual screeningC virusRisk factorsScreening siteAnnual screening ratesNew HCV diagnosesClinical decision support toolRisk factor assessmentPublic health expertsHCV testingHCV casesClinical decision supportHCV diagnosisHCV testScreening ratesProspective studyMedical recordsPositivity ratePositive casesUnprotected sexClinicHIV risk profile and prevention needs of individuals seeking monkeypox (mpox) vaccination in an urban clinic in the U.S.: a brief report
Ogbuagu O, Sharma M, Igiraneza G, Andrews L, Tuan J, Barakat L. HIV risk profile and prevention needs of individuals seeking monkeypox (mpox) vaccination in an urban clinic in the U.S.: a brief report. BMC Infectious Diseases 2023, 23: 146. PMID: 36890468, PMCID: PMC9993362, DOI: 10.1186/s12879-023-08075-5.Peer-Reviewed Original ResearchMeSH KeywordsAdultCross-Sectional StudiesHIV InfectionsHomosexuality, MaleHumansMaleMonkeypoxPre-Exposure ProphylaxisSmallpox VaccineConceptsHIV risk profilesSTI riskPre-exposure prophylaxis useRisk profileMedian age 28 yearsHIV-negative respondentsHIV-negative participantsHIV-negative individualsReceptive anal intercourseModerate alcohol useAge 28 yearsCross-sectional surveySexual partner numberProphylaxis useResultsEighty-onePrEP knowledgeHIV positivityPrevention gapUrban clinicCenter clinicPrevention needsSTI historyInclusion criteriaAnal intercourseIllicit substances
2022
Tenofovir disoproxil fumarate and coronavirus disease 2019 outcomes in men with HIV
Li G, Park LS, Lodi S, Logan RW, Cartwright EJ, Aoun-Barakat L, Casas JP, Dickerman BA, Rentsch CT, Justice AC, Hernán MA. Tenofovir disoproxil fumarate and coronavirus disease 2019 outcomes in men with HIV. AIDS 2022, 36: 1689-1696. PMID: 35848570, PMCID: PMC9444875, DOI: 10.1097/qad.0000000000003314.Peer-Reviewed Original ResearchMeSH KeywordsAnti-HIV AgentsCohort StudiesCOVID-19COVID-19 TestingEmtricitabineHIV InfectionsHumansLamivudineMaleSARS-CoV-2TenofovirConceptsTDF/FTCTenofovir disoproxil fumarateCoronavirus disease 2019 (COVID-19) outcomesTAF/FTCAntiretroviral therapyTenofovir alafenamideDisoproxil fumarateRisk ratioAcute respiratory syndrome coronavirus 2 infectionSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infectionCOVID-19 ICU admissionsIntensive care unit admissionPrevious COVID-19 diagnosisSyndrome coronavirus 2 infectionCOVID-19-related hospitalizationVeterans Aging Cohort StudySARS-CoV-2 infectionCare unit admissionCoronavirus 2 infectionChronic kidney diseaseHIV viral loadGlomerular filtration rateAging Cohort StudyCorresponding risk ratioPooled logistic regressionExperiences with Telemedicine for HIV Care During the COVID-19 Pandemic: A Mixed-Methods Study
Harsono D, Deng Y, Chung S, Barakat LA, Friedland G, Meyer JP, Porter E, Villanueva M, Wolf MS, Yager JE, Edelman EJ. Experiences with Telemedicine for HIV Care During the COVID-19 Pandemic: A Mixed-Methods Study. AIDS And Behavior 2022, 26: 2099-2111. PMID: 35064390, PMCID: PMC8782707, DOI: 10.1007/s10461-021-03556-7.Peer-Reviewed Original ResearchConceptsHIV careRe-engage patientsMixed-methods studyCare team membersRoutine clinical experienceCOVID-19 pandemicBenefits of telemedicineHIV clinicTelemedicine visitsTelemedicine appointmentsReimbursement concernsClinical experienceClinical staffCareAppropriate billingPatientsPWHTelemedicinePatient remote monitoringReimbursement methodsPandemicHIVClinicVisits
2021
Cumulative burden of non-communicable diseases predicts COVID hospitalization among people with HIV: A one-year retrospective cohort study
Virata MD, Shenoi SV, Ladines-Lim J, Villanueva MS, Barakat LA. Cumulative burden of non-communicable diseases predicts COVID hospitalization among people with HIV: A one-year retrospective cohort study. PLOS ONE 2021, 16: e0260251. PMID: 34851963, PMCID: PMC8635326, DOI: 10.1371/journal.pone.0260251.Peer-Reviewed Original ResearchConceptsOne-year retrospective cohort studyCohort of PWHNon-communicable comorbiditiesPredictors of hospitalizationRetrospective cohort studyChronic lung diseaseLikelihood of hospitalizationSingle-site experienceCOVID-19 infectionNon-communicable diseasesOutcomes of peopleCohort studyHIV diseaseOverall mortalityClinical outcomesLung diseaseCardiovascular diseaseHospitalizationCumulative burdenHIVLater timeframeDiseaseEarly epidemicPWHOutcomesHigh HIV Detection in a Tertiary Facility in Liberia: Implications and Opportunities
Ogbuagu O, Wachekwa I, Yasin F, Nuta C, Donato S, Toomey J, Adeiza M, Barakat LA. High HIV Detection in a Tertiary Facility in Liberia: Implications and Opportunities. Annals Of Global Health 2021, 87: 117. PMID: 34900617, PMCID: PMC8622250, DOI: 10.5334/aogh.3243.Peer-Reviewed Original ResearchConceptsHIV testing dataNon-pregnant individualsHIV detection rateTertiary facilityPrevention interventionsJohn F. Kennedy Medical CenterHospital-based retrospective analysisSignificant public health challengeStudy periodAnnual diagnosis ratePre-exposure prophylaxisPositive HIV testLarge tertiary hospitalCase detection ratePublic health challengeYears of ageNational prevalence estimatesDetection rateHIV/AIDSAntenatal clinicHIV testHIV testingTertiary hospitalPregnant womenUNAIDS 95Qualitative assessment of anti‐SARS‐CoV‐2 spike protein immunogenicity (QUASI) after COVID‐19 vaccination in older people living with HIV
Tuan JJ, Zapata H, Critch‐Gilfillan T, Ryall L, Turcotte B, Mutic S, Andrews L, Roh ME, Friedland G, Barakat L, Ogbuagu O. Qualitative assessment of anti‐SARS‐CoV‐2 spike protein immunogenicity (QUASI) after COVID‐19 vaccination in older people living with HIV. HIV Medicine 2021, 23: 178-185. PMID: 34632695, PMCID: PMC8652674, DOI: 10.1111/hiv.13188.Peer-Reviewed Original ResearchMeSH KeywordsAgedBNT162 VaccineHIV InfectionsHumansImmunogenicity, VaccineQualitative ResearchSpike Glycoprotein, CoronavirusConceptsCOVID-19 vaccineCOVID-19 vaccinationFirst doseSeroconversion ratesSecond doseAcute respiratory syndrome coronavirus 2 infectionSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infectionYale New Haven Health SystemPrior COVID-19 infectionSyndrome coronavirus 2 infectionSafe COVID-19 vaccineIntegrase strand transfer inhibitorsAnti-spike IgGPositive IgG responseTwo-dose seriesCoronavirus 2 infectionVaccine-induced immunityDurability of protectionCOVID-19 infectionStrand transfer inhibitorsAntiretroviral regimenBNT162b2 vaccineNew seroconversionsPositive IgGQualitative antibodyVZV myelitis with secondary HIV CSF escape
Weiss JJ, Spudich S, Barakat L. VZV myelitis with secondary HIV CSF escape. BMJ Case Reports 2021, 14: e241738. PMID: 34187795, PMCID: PMC8245447, DOI: 10.1136/bcr-2021-241738.Peer-Reviewed Case Reports and Technical NotesMeSH KeywordsAcyclovirCentral Nervous System InfectionsFemaleHerpes ZosterHerpesvirus 3, HumanHIV InfectionsHumansMiddle AgedMyelitisConceptsVaricella-zoster virusCSF escapeVZV myelitisSkin lesionsCerebrospinal fluidCSF HIV viral loadRight upper extremity weaknessCentral nervous system infectionSubsequent oral therapyUpper extremity weaknessHIV viral loadNervous system infectionVesicular skin lesionsCopies/mLDirect fluorescent antibody testingFluorescent antibody testingIntravenous acyclovirVZV PCRExtremity weaknessOral therapyRare complicationSystem infectionAtypical presentationImmunosuppressed patientsVZV infection
2020
Decreased Overall Survival in HIV-associated Non–small-cell Lung Cancer
Hysell K, Yusuf R, Barakat L, Virata M, Gan G, Deng Y, Perez-Irizarry J, Vega T, Goldberg SB, Emu B. Decreased Overall Survival in HIV-associated Non–small-cell Lung Cancer. Clinical Lung Cancer 2020, 22: e498-e505. PMID: 33468393, PMCID: PMC8169710, DOI: 10.1016/j.cllc.2020.11.006.Peer-Reviewed Original ResearchConceptsCell lung cancerGeneral patientsNSCLC populationLung cancerCox proportional hazards modelYale-New Haven HospitalGeneral NSCLC populationOutcomes of patientsOverall median survivalRetrospective cohort studyPredictors of survivalKaplan-Meier curvesHIV-1 RNACopies/mLLog-rank testProportional hazards modelNew Haven HospitalCancer treatment regimensMedian CD4Antiretroviral therapyCohort studyMedian survivalOverall survivalHIV infectionMedian ageSubstantial gap in primary care: older adults with HIV presenting late to care
Yasin F, Rizk C, Taylor B, Barakat LA. Substantial gap in primary care: older adults with HIV presenting late to care. BMC Geriatrics 2020, 20: 438. PMID: 33129258, PMCID: PMC7603686, DOI: 10.1186/s12877-020-01842-y.Peer-Reviewed Original ResearchMeSH KeywordsAgedAnti-HIV AgentsHIV InfectionsHumansPrimary Health CareRetrospective StudiesViral LoadConceptsHuman immunodeficiency virusCombination antiretroviral therapyViral suppressionCART initiationHIV clinicOlder patientsRetrospective medical record reviewHIV viral suppressionMedical record reviewPatient demographic dataSerious public health concernPublic health concernAntiretroviral therapyCD4 countHIV testingRecord reviewImmunodeficiency virusPrimary careOlder adult groupTreatment strategiesNew diagnosisAdvanced stagePatientsDemographic dataAdult groupConfronting Another Pandemic: Lessons from HIV can Inform Our COVID-19 Response
Edelman EJ, Aoun-Barakat L, Villanueva M, Friedland G. Confronting Another Pandemic: Lessons from HIV can Inform Our COVID-19 Response. AIDS And Behavior 2020, 24: 1977-1979. PMID: 32399798, PMCID: PMC7215127, DOI: 10.1007/s10461-020-02908-z.Peer-Reviewed Original Research
2019
Dysregulation of sterol regulatory element-binding protein 2 gene in HIV treatment-experienced individuals
Sopeyin A, Zhou L, Li M, Barakat L, Paintsil E. Dysregulation of sterol regulatory element-binding protein 2 gene in HIV treatment-experienced individuals. PLOS ONE 2019, 14: e0226573. PMID: 31846498, PMCID: PMC6917281, DOI: 10.1371/journal.pone.0226573.Peer-Reviewed Original ResearchConceptsTreatment-experienced individualsAntiretroviral therapyCholesterol biosynthesis genesSide effectsEffect of ARTLow density lipoprotein receptor pathwayHIV viral suppressionCase-control studyLipoprotein receptor pathwaySterol regulatory element-binding protein 2Cassette transporter A1Protein expression levelsViral suppressionLipid abnormalitiesClinical manifestationsMetabolic derangementsCardiovascular diseaseRetrospective analysisTherapeutic benefitProtein 2 geneMRNA expressionReceptor pathwayMarked decreaseDysregulationExpression levelsDevelopment of a Novel Competency-Based Evaluation System for HIV Primary Care Training: the HIV Entrustable Professional Activities
Dunne D, Green M, Tetrault J, Barakat LA. Development of a Novel Competency-Based Evaluation System for HIV Primary Care Training: the HIV Entrustable Professional Activities. Journal Of General Internal Medicine 2019, 35: 331-335. PMID: 31667752, PMCID: PMC6957645, DOI: 10.1007/s11606-019-04956-1.Peer-Reviewed Original ResearchConceptsPrimary care providersEntrustable professional activitiesPrimary care internal medicine residency programPrimary care trainingInternal medicine residency programsHIV wardHIV clinicMedicine residency programsCare providersInternal medicine milestonesHIV educationCare trainingExpert panelTraining trackResident assessmentResidency programsUnsupervised practiceEvaluation toolResident participantsResident evaluationsHIVPatientsAimToNovel competenciesClinic
2018
The Changing Face of HIV Care
Barakat LA, Dunne DW, Tetrault JM, Soares S, Chia D, Ogbuagu OE, Moriarty JP, Huot SJ, Green ML. The Changing Face of HIV Care. Academic Medicine 2018, 93: 1673-1678. PMID: 29901657, DOI: 10.1097/acm.0000000000002317.Peer-Reviewed Original ResearchConceptsHIV carePrimary careRisk of comorbiditiesPrimary care residency programsEntrustable professional activitiesHigh-quality HIVHIV/AIDSResidency programsInternal medicine residency programsMedicine residency programsHIV trainingShortage of physiciansHIVClinical training opportunitiesResident schedulesCarePatientsNeeds assessmentSingle settingPhysician workforceWeb-based curriculumProgram evaluationTraining trackComorbiditiesTraining opportunitiesImpact of Aging and HIV Infection on the Function of the C-Type Lectin Receptor MINCLE in Monocytes
Zapata HJ, Van Ness PH, Avey S, Siconolfi B, Allore HG, Tsang S, Wilson J, Barakat L, Mohanty S, Shaw AC. Impact of Aging and HIV Infection on the Function of the C-Type Lectin Receptor MINCLE in Monocytes. The Journals Of Gerontology Series A 2018, 74: 794-801. PMID: 30239628, PMCID: PMC6521921, DOI: 10.1093/gerona/gly209.Peer-Reviewed Original ResearchConceptsPro-inflammatory environmentHIV infectionInnate immune pattern recognition receptorsPeripheral blood mononuclear cellsImmune pattern recognition receptorsC-type lectin receptorsCohort of HIVBlood mononuclear cellsMulticolor flow cytometryC-type lectin receptor MinclePattern recognition receptorsIL-10IL-12Cytokine productionIL-6Mononuclear cellsImmune responseHost responseCord factorFlow cytometryM. tuberculosisLectin receptorsMycobacterium tuberculosisOlder adultsImpact of agingPrevalence and Correlates of Unhealthy Alcohol and Drug Use Among Men Who Have Sex with Men Prescribed HIV Pre-exposure Prophylaxis in Real-World Clinical Settings
Ogbuagu O, Marshall BDL, Tiberio P, Ogunbajo A, Barakat L, Montgomery M, Almonte A, Wray T, Williams EC, Edelman EJ, Chan PA. Prevalence and Correlates of Unhealthy Alcohol and Drug Use Among Men Who Have Sex with Men Prescribed HIV Pre-exposure Prophylaxis in Real-World Clinical Settings. AIDS And Behavior 2018, 23: 190-200. PMID: 30145707, PMCID: PMC7020905, DOI: 10.1007/s10461-018-2260-9.Peer-Reviewed Original ResearchConceptsUnhealthy alcohol useUnhealthy alcoholPre-exposure prophylaxisUnhealthy substance useDrug useHIV acquisitionAlcohol useSubstance useHIV pre-exposure prophylaxisReal-world clinical settingProspective observational studyHIV-positive partnerHIV risk behaviorsStructured clinical assessmentFrequent drug usePrEP outcomesPrEP useRisk factorsClinical assessmentObservational studyPositive partnerReal-world settingMultivariate analysisYounger ageSexual partners
2016
Characterizing Patients with Very-Low-Level HIV Viremia: A Community-Based Study
Helou E, Shenoi S, Kyriakides T, Landry ML, Kozal M, Barakat LA. Characterizing Patients with Very-Low-Level HIV Viremia: A Community-Based Study. Journal Of The International Association Of Providers Of AIDS Care (JIAPAC) 2016, 16: 261-266. PMID: 27903948, PMCID: PMC5423832, DOI: 10.1177/2325957416680028.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnti-HIV AgentsCD4 Lymphocyte CountFemaleHIV InfectionsHIV-1HumansMaleMiddle AgedViral LoadViremiaConceptsVirologic failureViral load levelsPill burdenAlcohol useHuman immunodeficiency virus (HIV) careLow-level HIV viremiaUndetectable viral load levelsAntiretroviral regimen changesAntiretroviral therapy changesExperienced virologic failureLow-level viremiaIntravenous drug useSubset of patientsFrequent clinic visitsPoor clinical outcomePossible risk factorsHepatitis C virusHIV viremiaMore comorbiditiesNonfailure groupVirologic suppressionVirological failureCD4 countConsecutive chartsClinic visits
2015
Comparing clinical outcomes in HIV‐infected and uninfected older men hospitalized with community‐acquired pneumonia
Barakat LA, Juthani-Mehta M, Allore H, Trentalange M, Tate J, Rimland D, Pisani M, Akgün KM, Goetz MB, Butt AA, Rodriguez-Barradas M, Duggal M, Crothers K, Justice AC, Quagliarello VJ. Comparing clinical outcomes in HIV‐infected and uninfected older men hospitalized with community‐acquired pneumonia. HIV Medicine 2015, 16: 421-430. PMID: 25959543, PMCID: PMC5015437, DOI: 10.1111/hiv.12244.Peer-Reviewed Original ResearchConceptsCommunity-acquired pneumoniaVeterans Aging Cohort StudyVACS IndexCAP outcomesAntiretroviral therapyOlder adultsHigher VACS indexDays of dischargeAging Cohort StudyUninfected participantsCohort studyMean LOSHIV infectionLonger LOSClinical outcomesUnadjusted analysesUninfected groupMultivariable modelEligibility criteriaHIVMale veteransMortality rateART useMortalityOutcomesIncreased Levels of Macrophage Inflammatory Proteins Result in Resistance to R5-Tropic HIV-1 in a Subset of Elite Controllers
Walker WE, Kurscheid S, Joshi S, Lopez CA, Goh G, Choi M, Barakat L, Francis J, Fisher A, Kozal M, Zapata H, Shaw A, Lifton R, Sutton RE, Fikrig E. Increased Levels of Macrophage Inflammatory Proteins Result in Resistance to R5-Tropic HIV-1 in a Subset of Elite Controllers. Journal Of Virology 2015, 89: 5502-5514. PMID: 25740989, PMCID: PMC4442529, DOI: 10.1128/jvi.00118-15.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedCase-Control StudiesCD4-Positive T-LymphocytesChemokine CCL3Chemokine CCL4Chemokine CCL5Chemokines, CCCohort StudiesFemaleGene DosageHIV InfectionsHIV Long-Term SurvivorsHIV-1Host-Pathogen InteractionsHumansMacrophage Inflammatory ProteinsMaleMiddle AgedReceptors, CCR5Receptors, CXCR4RNA, MessengerUp-RegulationConceptsElite controllersHIV-seropositive individualsAntiretroviral therapyT cellsMIP-1βMIP-1αHIV infectionSeropositive individualsAbsence of ARTR5-tropic HIV-1Macrophage inflammatory protein-1αR5-tropic HIVInflammatory protein-1αT cell resistancePandemic health problemRANTES chemokinesHIV replicationRare patientsHealthy controlsTherapeutic effectHIV entryHIV-1X4-tropicHealth problemsProtein-1α