2024
Central Nervous System Effects of Early HIV Infection and Consequences of Antiretroviral Therapy Initiation during Acute HIV
Chan P, Spudich S. Central Nervous System Effects of Early HIV Infection and Consequences of Antiretroviral Therapy Initiation during Acute HIV. Viruses 2024, 16: 1082. PMID: 39066244, PMCID: PMC11281648, DOI: 10.3390/v16071082.Peer-Reviewed Original ResearchConceptsEarly HIV infectionCentral nervous systemHIV infectionEffects of early HIV infectionIncrease awareness of HIV infectionCentral nervous system opportunistic infectionsImmediate initiation of antiretroviral therapyInitiation of antiretroviral therapyAwareness of HIV infectionCentral nervous system complicationsCentral nervous system involvementAntiretroviral therapy initiationCentral nervous system effectsLong-term neuroprotectionHIV-associated dementiaOvert clinical manifestationsYears of infectionMulti-organ diseaseNucleic acid testingAcute HIVHIV neuroinvasionHIV RNAAntiretroviral therapyOpportunistic infectionsTherapy initiation
2023
Cerebrospinal fluid pleocytosis is associated with HIV-1 neuroinvasion during acute infection
Chan P, Moreland S, Sacdalan C, Kroon E, Colby D, Sriplienchan S, Pinyakorn S, Phanuphak N, Jagodzinski L, Valcour V, Vasan S, Paul R, Trautmann L, Spudich S, Team O. Cerebrospinal fluid pleocytosis is associated with HIV-1 neuroinvasion during acute infection. AIDS 2023, 38: 373-378. PMID: 37916464, PMCID: PMC10842649, DOI: 10.1097/qad.0000000000003777.Peer-Reviewed Original ResearchCSF HIV-1 RNAWhite blood cell countHIV-1 RNAAcute HIV infectionCp/mLCSF pleocytosisCSF samplesLower plasmaCerebrospinal fluid white blood cell countMedian CSF white blood cell countStage ICSF white blood cell countDetectable HIV-1 RNAFiebig stage IIIFiebig stages ICerebrospinal fluid pleocytosisT-cell countsAcute retroviral syndromeHigh viral loadBlood cell countCells/Blood CD4Acute infectionHIV infectionMedian ageBrain volumetrics differ by Fiebig stage in acute HIV infection
Bolzenius J, Sacdalan C, Ndhlovu L, Sailasuta N, Trautmann L, Tipsuk S, Crowell T, Suttichom D, Colby D, Phanuphak N, Chan P, Premeaux T, Kroon E, Vasan S, Hsu D, Valcour V, Ananworanich J, Robb M, Ake J, Pohl K, Sriplienchan S, Spudich S, Paul R. Brain volumetrics differ by Fiebig stage in acute HIV infection. AIDS 2023, 37: 861-869. PMID: 36723491, PMCID: PMC10079583, DOI: 10.1097/qad.0000000000003496.Peer-Reviewed Original ResearchConceptsAcute HIV infectionNucleus accumbensFiebig stagesAcute infectionHIV infectionCaudate nucleusBrain volumeLower regional brain volumesAntiretroviral therapy initiationMarkers of neuroinflammationBrain volume alterationsCross-sectional studyRegional brain volumesT1-weighted scansTherapy initiationChronic infectionBrain volumetricsBrain disruptionThai malesViral factorsPutamenVolume alterationsAccumbensInfectionStimulant use
2022
Individual Differences in CD4/CD8 T-Cell Ratio Trajectories and Associated Risk Profiles Modeled From Acute HIV Infection
Paul R, Cho K, Bolzenius J, Sacdalan C, Ndhlovu LC, Trautmann L, Krebs S, Tipsuk S, Crowell TA, Suttichom D, Colby DJ, Premeaux TA, Phanuphak N, Chan P, Kroon E, Vasan S, Hsu D, Carrico A, Valcour V, Ananworanich J, Robb ML, Ake JA, Sriplienchan S, Spudich S, Team F. Individual Differences in CD4/CD8 T-Cell Ratio Trajectories and Associated Risk Profiles Modeled From Acute HIV Infection. Psychosomatic Medicine 2022, 84: 976-983. PMID: 36162059, PMCID: PMC9553252, DOI: 10.1097/psy.0000000000001129.Peer-Reviewed Original ResearchConceptsAcute HIV infectionCD4/CD8 T-cell ratioCD8 T-cell ratioAntiretroviral therapyT-cell countsT-cell recoveryT cell ratioHigh viral loadViral loadHigh CD8Slower CD4HIV infectionLower white blood cell countWeeks of ARTRisk profileWhite blood cell countT-cell trajectoriesMedian viral loadStandard antiretroviral therapyBlood cell countLower eosinophil countsWorse mental healthAHI participantsART onsetFiebig IImmunological, Cognitive, and Psychiatric Outcomes After Initiating Efavirenz- and Dolutegravir-based Antiretroviral Therapy During Acute Human Immunodeficiency Virus Infection
Chan P, Yoon B, Colby D, Kroon E, Sacdalan C, Sriplienchan S, Pinyakorn S, Ananworanich J, Valcour V, Vasan S, Hsu D, Phanuphak N, Paul R, Spudich S. Immunological, Cognitive, and Psychiatric Outcomes After Initiating Efavirenz- and Dolutegravir-based Antiretroviral Therapy During Acute Human Immunodeficiency Virus Infection. Clinical Infectious Diseases 2022, 76: e718-e726. PMID: 35687498, PMCID: PMC9907536, DOI: 10.1093/cid/ciac466.Peer-Reviewed Original ResearchConceptsAcute HIV-1 infectionT-cell countsDTG-based antiretroviral therapyAntiretroviral therapyDTG groupEFV groupWeek 96Week 24CD4/CD8 ratioNucleoside reverse transcriptase inhibitorHuman immunodeficiency virus type 1Immunodeficiency virus type 1Fiebig stages IPlasma viral suppressionAcute HIV infectionTreatment-naive individualsHIV-1 infectionPatient Health QuestionnaireReverse transcriptase inhibitorVirus type 1Greater incrementART regimensCD8 ratioViral suppressionHIV infection
2021
Cognitive trajectories after treatment in acute HIV infection
Chan P, Kerr SJ, Kroon E, Colby D, Sacdalan C, Hellmuth J, Reiss P, Vasan S, Ananworanich J, Valcour V, Spudich S, Paul R. Cognitive trajectories after treatment in acute HIV infection. AIDS 2021, 35: 883-888. PMID: 33534200, DOI: 10.1097/qad.0000000000002831.Peer-Reviewed Original ResearchConceptsAcute HIV-1 infectionAntiretroviral therapyWeek 288Week 96Cognitive performanceAcute HIV infectionSuppressive antiretroviral therapyHIV-1 infectionTrajectory subgroupsWorse depressive symptomsWorse baseline cognitive performanceImpaired cognitive performanceFine motor speedAHI diagnosisViral suppressionHIV infectionWeek 12Baseline cognitive performanceLower baseline performanceHIV-1Depressive symptomsCognitive symptomsPosthoc analysisPsychomotor speedCognitive outcomes
2020
Resting-state neural signatures of depressive symptoms in acute HIV
Philippi CL, Reyna L, Nedderman L, Chan P, Samboju V, Chang K, Phanuphak N, Ratnaratorn N, Hellmuth J, Benjapornpong K, Dumrongpisutikul N, Pothisri M, Robb ML, Ananworanich J, Spudich S, Valcour V, Paul R. Resting-state neural signatures of depressive symptoms in acute HIV. Journal Of NeuroVirology 2020, 26: 226-240. PMID: 31989446, PMCID: PMC7261250, DOI: 10.1007/s13365-020-00826-3.Peer-Reviewed Original ResearchConceptsResting-state functional connectivityAcute HIV infectionAnterior cingulate cortexDecreased resting-state functional connectivityDepressive symptomsAltered resting-state functional connectivityCombination antiretroviral therapyPersistent depressive symptomsUninfected control groupAmygdala seed regionPosterior cingulate/precuneusSymptoms of depressionVoxelwise regression analysesEmotion-related brain regionsAcute HIVChronic HIVThai HIVAntiretroviral therapyHIV RNASeed regionHIV infectionBlood biomarkersAHI groupLateral parietal regionsUninfected controlsNeuropsychiatric outcomes before and after switching to dolutegravir-based therapy in an acute HIV cohort
Chan P, Goh O, Kroon E, Colby D, Sacdalan C, Pinyakorn S, Prueksakaew P, Reiss P, Ananworanich J, Valcour V, Spudich S, Paul R. Neuropsychiatric outcomes before and after switching to dolutegravir-based therapy in an acute HIV cohort. AIDS Research And Therapy 2020, 17: 1. PMID: 31907064, PMCID: PMC6945418, DOI: 10.1186/s12981-019-0257-8.Peer-Reviewed Original ResearchConceptsPatient Health Questionnaire-9Acute HIV infectionWeeks of ARTAntiretroviral therapyPHQ-9 scoresDTG-based antiretroviral therapyLower PHQ-9 scoresDolutegravir-based therapyDTG-based regimenNeuropsychiatric adverse eventsPlasma viral suppressionFirst-line treatmentPre-existing depressionLeast moderate depressionModerate-severe depressionModerate depression symptomsPercentage of participantsDTG useViral suppressionHIV cohortMedian durationAdverse eventsHIV infectionHighest quartileMultivariable analysis
2018
Normalization of Soluble CD163 Levels After Institution of Antiretroviral Therapy During Acute HIV Infection Tracks with Fewer Neurological Abnormalities
D’Antoni M, Byron MM, Chan P, Sailasuta N, Sacdalan C, Sithinamsuwan P, Tipsuk S, Pinyakorn S, Kroon E, Slike BM, Krebs SJ, Khadka VS, Chalermchai T, Kallianpur KJ, Robb M, Spudich S, Valcour V, Ananworanich J, Ndhlovu LC, Teeratakulpisarn N, Fletcher J, Sacdalan C, Chomchey N, Sutthichom D, Rattanamanee S, Prueksakaew P, Ubolyam S, Eamyoung P, Puttamaswin S, Karnsomlap P, Luekasemsuk T, Intasan J, Benjapornpong K, Ratnaratorn N, O’Connell R, Trichavaroj R, Akapirat S, Phuang-Ngern Y, Sukhumvittaya S, Sajjaweerawan C, Jongrakthaitae S, Saetun P, Tragonlugsana N, Nuntapinit B, Tantibul N, Savadsuk H, Michael N, Trautmann L, Tovanabutra S, Ouellette M, Butterworth O, Crowell T, Turk E, Eller L, Milazzo M, Bandar I, Shiramizu B, Shikuma C. Normalization of Soluble CD163 Levels After Institution of Antiretroviral Therapy During Acute HIV Infection Tracks with Fewer Neurological Abnormalities. The Journal Of Infectious Diseases 2018, 218: 1453-1463. PMID: 29868826, PMCID: PMC6151077, DOI: 10.1093/infdis/jiy337.Peer-Reviewed Original ResearchConceptsAcute HIV infectionFiebig stage IIIStage I/IISoluble CD163 levelsHIV infectionCentral nervous systemStage IIICD163 levelsCerebrospinal fluidUninfected controlsChronic human immunodeficiency virus (HIV) infectionCombination antiretroviral therapy (cART) initiationHuman immunodeficiency virus (HIV) infectionInitiation of cARTAntiretroviral therapy initiationImmunodeficiency virus infectionEnzyme-linked immunosorbentCART initiationMyeloid activationAntiretroviral therapyChronic HIVCNS involvementSCD163 levelsTherapy initiationActivation markersDistribution of Human Immunodeficiency Virus (HIV) Ribonucleic Acid in Cerebrospinal Fluid and Blood Is Linked to CD4/CD8 Ratio During Acute HIV
Chan P, Patel P, Hellmuth J, Colby DJ, Kroon E, Sacdalan C, Pinyakorn S, Jagodzinski L, Krebs S, Ananworanich J, Valcour V, Spudich S, Team R. Distribution of Human Immunodeficiency Virus (HIV) Ribonucleic Acid in Cerebrospinal Fluid and Blood Is Linked to CD4/CD8 Ratio During Acute HIV. The Journal Of Infectious Diseases 2018, 218: 937-945. PMID: 29741638, PMCID: PMC6093332, DOI: 10.1093/infdis/jiy260.Peer-Reviewed Original ResearchConceptsCD4/CD8 ratioCSF HIV RNAHIV RNACD8 ratioCerebrospinal fluidHIV infectionHuman immunodeficiency virus ribonucleic acidCerebrospinal fluid (CSF) immune markersLog10 copies/mLStage I/IIHuman immunodeficiency virus (HIV) RNAChronic HIV infectionHigher CSF neopterinAcute HIV infectionPlasma HIV RNACopies/mLHuman immunodeficiency virus ribonucleic acid levelsRibonucleic acid levelsVirus ribonucleic acidAcute HIVCSF neopterinSCD14 levelsAcute infectionMedian ageImmune markers
2016
Cognitive Impairment and Persistent CNS Injury in Treated HIV
Chan P, Hellmuth J, Spudich S, Valcour V. Cognitive Impairment and Persistent CNS Injury in Treated HIV. Current HIV/AIDS Reports 2016, 13: 209-217. PMID: 27188299, PMCID: PMC4977199, DOI: 10.1007/s11904-016-0319-7.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsCentral nervous systemCombination antiretroviral therapyCognitive impairmentPersistent immune activationPre-cART eraPlasma HIV RNACD8 encephalitisHIV biomarkersTreated HIVAntiretroviral therapyCNS involvementHIV RNAHIV infectionImaging findingsImmune activationCNS injuryHIV StudyChronic illnessNervous systemViral invasionCognitive outcomesCognitive manifestationsCognitive changesInfectionImpairment