2023
HIV 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 ResearchConceptsHIV 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
Long-term quantitative assessment of anti-SARS-CoV-2 spike protein immunogenicity (QUASI) after COVID-19 vaccination in older people living with HIV (PWH)
Tuan JJ, Zapata H, Barakat L, Andrews L, Behnegar A, Kim YW, Kayani J, Mutic S, Ryall L, Turcotte B, Critch-Gilfillan T, Zhao M, Salahuddin S, Gupta S, Sutton R, Friedland G, Emu B, Ogbuagu O. Long-term quantitative assessment of anti-SARS-CoV-2 spike protein immunogenicity (QUASI) after COVID-19 vaccination in older people living with HIV (PWH). BMC Infectious Diseases 2022, 22: 744. PMID: 36131232, PMCID: PMC9491266, DOI: 10.1186/s12879-022-07737-0.Peer-Reviewed Original ResearchConceptsT cell responsesAnti-spike IgGVisit 3SARS-CoV-2Older PWHVisit 2Immune responseSingle-center longitudinal observational studyVirus-specific T cell responsesVaccine-induced humoral immunityLong-term protective immunityT cell immune responsesOlder peopleMedian age 61RBD IgG levelsPrimary study outcomeCOVID-19 vaccinationImmune response evaluationLongitudinal observational studyCOVID-19 vaccineWilcoxon signed-rank testBNT162b2 boosterBNT162b2 vaccinationCD8 responsesDetectable CD4
2021
High 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 ResearchConceptsCOVID-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 antibodyRace and ethnicity do not impact eligibility for remdesivir: A single-center experience
Pischel L, Walelo M, Benson J, Osborn R, Schrier R, Tuan J, Barakat L, Ogbuagu O. Race and ethnicity do not impact eligibility for remdesivir: A single-center experience. PLOS ONE 2021, 16: e0250735. PMID: 33956849, PMCID: PMC8101938, DOI: 10.1371/journal.pone.0250735.Peer-Reviewed Original ResearchConceptsClinical trialsExclusion criteriaSingle health care systemObservational cohort studySingle-center experienceClinical trial criteriaTime of presentationMedical record chartsNon-Hispanic whitesEthnic minority enrollmentSimilar ratesHealth care systemCohort studyTrial criteriaMultiple therapiesInclusion criteriaRecord chartsEthnic groupsRemdesivirCare systemTrialsSelf-identified WhiteEligibilityWhite participantsMultiple potential barriers
2018
Dolutegravir/rilpivirine for the treatment of HIV-1 infection
Dowers E, Zamora F, Barakat LA, Ogbuagu O. Dolutegravir/rilpivirine for the treatment of HIV-1 infection. HIV/AIDS - Research And Palliative Care 2018, 10: 215-224. PMID: 30464642, PMCID: PMC6220428, DOI: 10.2147/hiv.s157855.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsHIV-1 infectionDolutegravir/rilpivirineAntiretroviral therapyImportant drug-drug interactionsClinical trial efficacyDrug-drug interactionsImproved safety profileLong-term toxicityDrug package insertsRegimen simplificationMaintenance therapyCombination regimensMedication adherenceSafety profileSafety dataTrial efficacyConference abstractsPackage insertsDrug AdministrationUS FoodPharmacokinetic propertiesGoogle ScholarInfectionLimited dataRilpivirineThe 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 opportunitiesPrevalence 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
Unusual presentation of disseminated Nocardia abscessus infection in a patient with AIDS
Sherbuk J, Saly D, Barakat L, Ogbuagu O. Unusual presentation of disseminated Nocardia abscessus infection in a patient with AIDS. BMJ Case Reports 2016, 2016: bcr2016215649. PMID: 27440848, PMCID: PMC4964189, DOI: 10.1136/bcr-2016-215649.Peer-Reviewed Case Reports and Technical NotesConceptsAbscessus infectionCentral nervous system lesionsNodular pulmonary infiltratesExcellent therapeutic responseRing-enhancing lesionsNervous system lesionsCombination antimicrobial therapyChest CT scanPulmonary infiltratesSubacute headacheChronic coughFecal incontinenceGeneralised weaknessPathological examinationSystem lesionsPurulent materialSubcutaneous nodulesUnusual presentationTherapeutic responseAntimicrobial therapySpinal cordCT scanSubcutaneous lesionsN. abscessusLesionsSteroid-exacerbated HIV-associated cutaneous Kaposi’s sarcoma immune reconstitution inflammatory syndrome: ‘Where a good intention turns bad’
Chabria S, Barakat L, Ogbuagu O. Steroid-exacerbated HIV-associated cutaneous Kaposi’s sarcoma immune reconstitution inflammatory syndrome: ‘Where a good intention turns bad’. International Journal Of STD & AIDS 2016, 27: 1026-1029. PMID: 26769754, DOI: 10.1177/0956462415627735.Peer-Reviewed Case Reports and Technical NotesConceptsImmune reconstitution inflammatory syndromeReconstitution inflammatory syndromeKS-IRISInflammatory syndromeKaposi's sarcomaKS lesionsSkin lesionsKaposi's sarcoma immune reconstitution inflammatory syndromeFull virologic suppressionNeck skin lesionsParadoxical worseningVirologic suppressionAntiretroviral therapyInitial presentationImmunodeficiency syndromeSteroid useClinician awarenessFacial lesionsLesionsSyndromeSarcomaGlucocorticoidsSteroidsCase discussionChemotherapy