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ACTHIV2018:AState-of-the-ScienceConferenceforFrontlineHealthProfessionals
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HowtoComplywithASCVDGuidelinesandHIVthrombosisRisk
Reduction
VirginiaA.TriantMassachusettsGeneralHospital
HarvardMedicalSchool
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LearningObjectivesUponcompletionofthispresentation,learnersshouldbebetterableto:
• DescribethecurrentdataonepidemiologyandmechanismofCVDinHIV
• ApplybestpracticesforpredictingcardiovascularriskinHIV
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FacultyandPlanningCommitteeDisclosuresPleaseconsultyourprogrambook.
• Nodisclosures.• Therewillbenooff-label/investigationalusesdiscussedinthispresentation.
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Outline
• EpidemiologyofHIVandCVD• PathophysiologyofHIVandCVD
– Roleoftraditionalriskfactors– RoleofART– Roleofinflammation/immuneactivation
• ManagementofCVDinHIV– CVDriskprediction– CVDprevention
• Novelriskfactors• Traditionalriskfactors
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Outline
• EpidemiologyofHIVandCVD• PathophysiologyofHIVandCVD
– Roleoftraditionalriskfactors– RoleofART– Roleofinflammation/immuneactivation
• ManagementofCVDinHIV– CVDriskprediction– CVDprevention
• Novelriskfactors• Traditionalriskfactors
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HIVPatientsareAgingandFaceIncreasedNCDRates
• Predictedburdenofnon-communicablediseases(NCDs)inHIVpatientsmodeledfor2010-2030
• IncreasingproportionwithmoreNCDsovertime
• NCDsinclude– Cardiovasculardisease
(hypertension,hypercholesterolemia,myocardialinfarction,stroke)
– Diabetes– Chronickidneydisease– Osteoporosis– Non-AIDSmalignancies
SmitLancetID2015.
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Non-CommunicableDiseaseComplicationsinHIV
SchoutenCID2014.
• IncreasedNCDratesarenotexplainedbyagealone• Foragivenagegroup,HIVpatientshavehigherburdenofNCDs• NCDsincludeHTN,MI,PAD,CVA,angina,DM2,COPD,CKD,non-AIDScancer,
fracture/osteoporosis
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http://www.heart.org/HEARTORG/Conditions/More/HIVandYourHeart/HIV-and-Your-Heart_UCM_313033_SubHomePage.jsp#;http://learn.heart.org/ihtml/application/student/interface.heart2/hiv.html.AccessedDecember8,2011.http://www.nytimes.com/2012/06/19/health/heart-attacks-are-much-more-frequent-in-hiv-patients.html.Accessed9/24/2015.
HeartdiseaseisincreasedinHIVandincreasinglyrecognizedasaclinicaland
publichealthpriority
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HIVandRiskofAcuteMyocardialInfarction
Study Year Population N (HIV) Primary Result Effect Size
Klein 2002 Kaiser 4159 ↑ MI and CHD in HIV vs. control 1.5 (MI) 1.7 (CHD)
Currier 2003 CA Medicaid 28513 ↑ CHD in HIV (age 18-33) vs. control
2.06
Triant 2007 Partners 3851 ↑ MI in HIV vs. control 1.75
Obel 2007 Danish cohort 3953 ↑ CHD in HIV (on ART) vs. control
2.12
Lang 2010 FHDH 74958 ↑ MI in HIV vs. 3 populationregistries
1.5
Durand 2011 Quebec 7053 ↑ MI in HIV vs. 4:1 matched control
2.11
Freiberg 2013 VA 27350 ↑ MI in HIV vs. 2:1 matched control
1.48
Silverberg 2014 Kaiser 22081 ↑ MI and CHD in HIV vs. 10:1matched control
1.4
KleinJAIDS2002;CurrierJAIDS2003;TriantJCEM2007;ObelHIVMed2010;LangAIDS2010;DurandJAIDS2011;FreibergJAMAInternMed2013;SilverbergJAIDS2014;GutierrezPLOSONE2017.
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HospitalizationRatesbyDiagnosis
• Hospitalizationdatafrom2001to2008from11,645HIV-infectedadultsat4geographicallydiverseUSHIVclinicswithintheHIVResearchNetwork
• CVDadmissionssurpassedAIDS-definingillnessadmission
BerryIAC2010andJAIDS2012;Crum-CianfloneJAIDS2010.
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CVD-RelatedMortalityinHIV
MorlatAIDS2014.
• Comparedmortalityfrom2000to2010inFrenchnationalsample• AIDS-relatedmortalitymarkedlydeclined• CVD-relatedmortalityincreased
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Outline
• EpidemiologyofHIVandCVD• PathophysiologyofHIVandCVD
– Roleoftraditionalriskfactors– RoleofART– Roleofinflammation/immuneactivation
• ManagementofCVDinHIV– CVDriskprediction– CVDprevention
• Novelriskfactors• Traditionalriskfactors
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ART
CVD
DYSLIPIDEMIA
DIABETES
HYPERTENSION
SMOKING
PathophysiologyofHIV-AssociatedCVD
• Early2000s• IncreasedCVD
riskinHIVinitiallyrecognized
• Riskattributedto:– TraditionalCVD
riskfactors
Early2000sCVDriskdata
2006SMARTtrial
2007-2008ARTdata
2015STARTtrial
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TraditionalCVDRiskFactorsinHIV
SmokinginHIV• Highprevalence
– 56%(D:A:D)– 54%(SFGH)– 47%(UScohort)– 69%(French
cohort)• 85%lifetimehistory• Morelifeyearslost
throughsmokingthanthroughHIV
0
5
10
15
20
25
Hypertension Diabetes Dyslipidemia
Diagnosis (By ICD Code)
Rat
e Pe
r 100
Per
sons
TriantJCEM2007;BurkhalterNicotineTobRes2005;Friis-MollerAIDS2003;MamaryAIDSPtCareSTDs2002;GritzNicotineTobRes2004;VittecoqAIDS2003;SavèsCID2003;LifsonAJPH2010;Helleberg,CID2013.
HIV+
HIV-
DyslipidemiainHIV• DistinctivepatternoflowHDLandhighTG• MaybeimpactedbyPIs
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ARTDRUGS
ART
CVD
DYSLIPIDEMIA
DIABETES
HYPERTENSION
SMOKING
PathophysiologyofHIV-AssociatedCVD
Early2000sCVDriskdata
2006SMARTtrial
2007-2008ARTdata
2015STARTtrial
• Mid-2000s• Emergingdata
onCVDriskwithARTdrugsandclasses
• Riskattributedto:– TraditionalCVD
riskfactors– IndividualART
drugeffects
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AMIIncidenceIncreasedwithPIs
• D:A:D- prospectiveobservationalcohortof33,347patients• RelativeriskofAMI1.16peryearARTexposure• PIsbutnotNNRTIsconferredincreasedrisk• Cumulativeexposuretoindinavir(RR1.12peryear)andlopinavir-
ritonavir(RR1.13peryear)associatedwithincreasedriskofAMI• Noincreasedriskobservedwithatazanavir
Friis-MollerNEJM2007.
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DarunavirandCVDRisk
• IncreasingCVDriskwithcumulativeexposuretoDRV/rbutnotATV/rinmultivariatemodels• 59%increasedriskCVDper5yearsexposuretoboosteddarunavir• StrengthofassociationsimilartothatofIDVandLPV/rbutnotmodifiedbydyslipidemia• Multiplesensitivityanalysesperformedwithunchangedresults• SuggestspossiblePIclasseffect
– Atazanavirisexception:hyperbilirubinemiaassociatedwithdecreasedCVDrisk• Clinicalimplicationspotentiallysignificantà furtherstudieslikely
Ryometal.Abstract128LB.CROI2017;Marconietal.Abstract127.CROI2017.
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AbacavirandMIRiskStudy N Design Effect EffectSize
D:A:D 33347 observationalcohort Yes RR1.90
SMART 2752 observationalRCT Yes HR4.3
GSK 14174 pooledRCTs No RR0.81
STEAL 357 RCT Yes HR0.12(TDF)
Danish 2952 prospectivecohort Yes RR2.00
FHDH 1173 nestedcase-control No OR1.27
VA(original) 19424 observationalcohort No HR1.18/yr
Quebec 7053 nestedcase-control Yes OR1.79
Meta-analysis 9233 28RCTmeta-analysis No RR0.73
FDAMeta-analysis 5028 26RCTmeta-analysis No OR1.02
ALLRT 5056 ACTGRCTs No HR0.7
VA 10931 observationalcohort Yes HR1.48
Sabin Lancet 2008;371:1417-1426; SMART/INSIGHT/DAD AIDS 2008;22:F17-F24; Brothers JAIDS 2009;51:20-28; Martin CID 2009;49:1591-1601; Obel HIV Med 2010;11:130-136; Lang Arch Int Med 2010;170:1228-1238; Bedimo CID 2011;53:84-91; Durand JAIDS 2011;epub; Cruciani AIDS 2011;57:245-53. Ding CROI 2011. Abstract 808; Ribaudo CID 2011;52:929-40; Choi AIDS 2011;25:1289-1298.
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AbacavirandMIRiskintheNA-ACCORD
• N=8265NA-ACCORDparticipants
• Recentabacaviruseinprior6monthsassociatedwithincreasedriskofMIafteradjustmentforknownCVDriskfactors– AdjustedHR1.84
• KaplanMeierestimatesfortimefromARTinitiationtofirstmyocardialinfarction,byrecent(withinthelast6months)abacaviruse
Elion et al. JAIDS 2018:epub.
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AbacavirandCVDRisk• SeveralstudiesatCROI2018addtoabacavirstory• Plateletfunction
– Mallon(80)– increasedplateletreactivity– Taylor(673)– studiesofplateletdysfunctionwithabcavair(reversalofNO’sinhibitoryeffectonplateletaggregation,enhancedgranulesecretionandplateletactivation)
– Collado-Diaz(674)– pro-thromboticeffectofabacavirdependsonleukocytes
• Increasedcoronaryplaquewithabacavir(692)• ModellingstudyofabacavirreplacementonCVDrisk(692)
Mallonetal.Abstract80.CROI2018;Tayloretal.Abstract673.CROI2018;Collado-Diazetal.Abstract674.CROI2018;Kovarietal.Abstract692.CROI2018;Hsueetal.Abstract692.CROI2018.
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CVDRiskPersists…• Persistentlyincreasedrisk
afteraccountingfortraditionalCVDriskfactorsandARTdrugs– Traditionalriskfactorsonly
accountfor10-25%ofriskinlargecohorts
– Persistent40-80%increasedriskinHIV-infectedpatients
• Whatisadditionalcomponentdrivingrisk?
?
ART
TraditionalCVDRiskFactors
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ARTDRUGS
ART
CVDIMMUNE
ACTIVATION
INFLAMMATION
DYSLIPIDEMIA
DIABETES
HYPERTENSION
SMOKING
GENETICS
PathophysiologyofHIV-AssociatedCVD
Early2000sCVDriskdata
2006SMARTtrial
2007-2008ARTdata
2015STARTtrial
• Riskattributedto:– TraditionalCVDrisk
factors– IndividualARTdrug
effects– Inflammationand
immuneactivation
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SMART,InflammationandCVD• SMARTstudyoftreatmentinterruption• PrimaryendpointrecurrentOI/death• IncreasedCVDeventratesindrug
conservation(episodictreatment)vs.viralsuppression(continuoustreatment)group• HR=1.57,P=0.05
• InflammatorymarkersIL-6andd-dimerincreased1monthaftertreatmentinterruptioninSMART
• BaselinehsCRP,IL-6,andd-dimerstronglycorrelatedtooverallmortality
• Suggestsroleforinflammation
El-SadrNEJM2006;PhillipsAIDS2008;KullerPLoS2008.
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InflammationandCVD• Extensivedatasupporta
roleforinflammationinHIV-associatedCVDrisk– SMARTstudy– Biomarkersofinflammation
linkedtosurrogatemarkersofCVD
– Vulnerableplaqueandarterialinflammationlinkedtomonocyteactivation
– Clinicalsurrogatesofinflammation(viralload)andimmuneactivation(CD4)linkedtoCVDevents
– STARTstudy
• Aorticarterialinflammation(measuredbytargettobackgroundratioofFDGuptakeinarterialwall)higherinHIVvsnon-HIV
• sCD163,markerofmonocyteactivation,higherinHIVgroupthancomparablenon-HIVcontrolparticipants
• Aorticarterialinflammation(TBR)significantlycorrelatedwithsCD163
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DecreasedCD4CountLinkedtoCVD
• CD4<500associatedwithCVDeventsindependentofCVDriskfactorsorART
• CD4<200associatedwithincreasedAMIrisk(OR1.74)
ABC
VL>100000
CD4<200
Smoking
CKD
LipidDMHTN
Non-white
Female
Age/10yrs
DDI
FTCD4T
TDF
NVPATV
NFVSQV
ART Year
0.1 1 10
LichtensteinCID2010;TriantJAIDS2010.
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IncreasedHIVRNALinkedtoCVD
• IncreasedHIVviralloadassociatedwithincreasedischemicstrokerisk
• Detectableviralload(>50)associatedwithincreasedAMIrisk(OR1.51)
ChowJAIDS2014;LangCID2012.
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DecreasedCD4CountandHIVViremiaIndependentlyIncreaseCVDRisk
FreibergJAMAIM2013.
• AMIriskinVAstudybyCD4andHIVRNAstatus• HIVRNA≥500andCD4<200eachassociatedwithincreasedAMIrisk• AMIriskpersistsinpatientsachievingviralsuppression
– Riskattributedtopersistentinflammation
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STARTStudy• StrategicTimingofAntiRetroviral
Treatment(START)study• FirstRCTtoassessratesofevents
includingnon-AIDSbyearly(>500)versusdeferred(<350)ARTinitiation
• Kaplan–Meierestimatesofthecumulativepercentagesofpatientswiththecompositeprimaryendpoint(seriousAIDS-relatedorseriousnon–AIDS-relatedevent)
• Earlytreatmentreducedseriousillness/deathby53%
– 70%riskreductionforAIDSevents– 33%riskreductionfornon-AIDSevents
• ReinforcednetbenefitofearlyARTfromCVDperspective
InsightStartStudyGroupNEJM2015
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UNTREATEDHIV
ART
CVDIMMUNE
ACTIVATION
INFLAMMATION DIABETES
HYPERTENSION
SMOKING
PathophysiologyofHIV-AssociatedCVD
Early2000sCVDriskdata
2006SMARTtrial
2007-2008ARTdata
2015STARTtrial
• Riskattributedto:– TraditionalCVDrisk
factors– IndividualARTdrug
effects– Inflammationand
immuneactivation– UntreatedHIV DYSLIPIDEMIA
ARTDRUGS
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Outline
• EpidemiologyofHIVandCVD• PathophysiologyofHIVandCVD
– Roleoftraditionalriskfactors– RoleofART– Roleofinflammation/immuneactivation
• ManagementofCVDinHIV– CVDriskprediction– CVDprevention
• Novelriskfactors• Traditionalriskfactors
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ChallengesinManagementofHIV-AssociatedCVD
• Understandingofmechanismhasnotyettranslatedintotailoredclinicalinterventions– Areaofintensiveinvestigation
• Currentguidelinesmaybeinadequate– Unclearapplicabilityofgeneralpopulationguidelines– LimitationsofHIV-specificguidelineswithrespecttoCVD
Intervention TraditionalRiskFactors NovelRiskFactors
Statins
ASA
ART
Immunomodulatory agents
Smokingcessation
Diabetesmanagement
HTN management
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UNTREATEDHIV
ART
CVDIMMUNE
ACTIVATION
INFLAMMATION DIABETES
HYPERTENSION
SMOKING
DisconnectofMechanismandPreventioninHIV-AssociatedCVD
Early2000sCVDriskdata
2006SMARTtrial
2007-2008ARTdata
2015STARTtrial
DYSLIPIDEMIA
CURRENTCVDPREVENTION
STRATEGIESONLYTARGET
TRADITIONALCVDRISKFACTORS
ARTDRUGS
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Outline
• EpidemiologyofHIVandCVD• PathophysiologyofHIVandCVD
– Roleoftraditionalriskfactors– RoleofART– Roleofinflammation/immuneactivation
• ManagementofCVDinHIV– CVDriskprediction– CVDprevention
• Novelriskfactors• Traditionalriskfactors
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ACC/AHACVDRiskGuidelinesAddComplexitytoRiskPredictioninHIV
• NewACC/AHAguidelinesonCVDriskestimationreleasedin2013• NewCVDriskpredictionequationemployed(Pooledcohortsequation)• Reportsofoverestimation ofriskinthegeneralpopulation• ReleaseofnewlongitudinalriskestimatorthatfactorsinCVDriskfactortreatment
GoffCirculation2014;Lloyd-JonesJACC2016.
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CVDRiskPredictioninHIV• Riskpredictionalgorithmspredict10-yearriskofdevelopingCVD
forthegeneralpopulation– FraminghamRiskScore– ACC/AHA
• AccuracyofCVDriskpredictionalgorithmsinHIVisunclear• HypothesizedthatexistingCVDriskpredictionalgorithms
underestimate risk– IncorporateonlytraditionalCVDriskfactors– Donotincorporatenovel,HIV-relatedfactors
• In2013ACC/AHAreleasednewCVDriskpredictionalgorithm(PooledCohortsEquations)designedtobeapplicabletoamoregeneralU.S.population.– Initialreportsdemonstratedpossibleoverestimation ofrisk
LawHIVMed2006;MateenNeurology2013;Friis-MollerEurJCardiovascPrevRehabil2010;Friis-MollerEurJPrevCardiol2016;Thompson-PaulCID2016;GoffCirculation2014.
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CVDRiskPredictioninHIV• HIV-specificriskpredictionalgorithmdevelopedbyD:A:Dgroupincludes
traditionalCVDriskfactorsplus:– Indinavir,lopinavir/ritonavir,andabacavirexposure– CD4count,cumulativePIandNRTIexposure,andcurrentabacaviruse(updatedmodel)– NotwidespreadclinicaladoptioninU.S.
• EmergingdatasuggesttraditionalCVDriskalgorithmsareinaccurateinHIV• HOPScohort
– Evaluated4riskscoresin2283HIV-infectedindividuals– Nomodelperformedwellforbothcommonmetrics:
• Discrimination(abilitytodistinguishpatientswithandwithoutoutcome)• Calibration(agreementbetweenobservedandpredictedrisk)
– FRS:goodcalibrationbutmoderatediscrimination– ACC/AHAPCEandD:A:D:gooddiscriminationbutmoderatecalibration– SCORE:poordiscriminationandcalibration
• CNICScohort• PartnersHIVcohort
LawHIVMed2006;MateenNeurology2013;Friis-MollerEurJCardiovascPrevRehabil2010;Friis-MollerEurJPrevCardiol2016;Thompson-PaulCID2016.
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CVDRiskPredictioninCNICS
FeinsteinJAMACardiology2016
• ACC/AHAPooledCohortsEquationsvalidatedin11288patientsinCNICS• Discrimination(abilitytodistinguishpatientswithandwithoutoutcome)adequate• Calibration(agreementbetweenobservedandpredictedrisk)moderatebutdrivenbywhitemen• Underestimation ofriskdemonstrated:
– Amongblackwomenandmen– Amonglow/moderatepredictedCVDriskgroupswhereclinicaldecisionmakinguncertain
• HIV-specificfactorsdidnotimproveriskprediction
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CVDRiskPredictioninPartners
• FRSandACC/AHAriskscoresvalidatedin1272patientsinPartnersHIVCohort• Discrimination(abilitytodistinguishpatientswithandwithoutoutcome)moderate
– cstatistics0.68,0.65inmenand0.66,0.62inwomenforFRSandACC/AHA)• Calibration(agreementbetweenobservedandpredictedrisk)poor
– ReflectsinadequatefitofgeneralpopulationfunctionstoHIV• ObservedriskgreaterthanpredictedriskforACC/AHAinallbut2nd decileformenandalldecilesforwomen• Underestimation ofriskdemonstrated,withdegreeofunderestimationgreater:
– Amongwomen– Amonglow/moderateCVDriskgroupswhereclinicaldecisionmakinguncertain
ACC/AHA:MALES ACC/AHAFEMALES
Triant,CROI2015;Triant,Circulation2018.
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CVDRiskPredictioninHIV:Strategies
• EstablishedCVDriskpredictionalgorithmsappeartounderestimateriskinHIV
• OptimizingCVDriskpredictioninHIVwilllikelyrequireincorporatingnovelriskfactorsthatreflectthemechanismofHIV-associatedCVD
Clinicalstrategy• ConsiderusingACC/AHAriskscoreaslowerestimateofrisk
– CurrentalgorithmsdonotaccountforHIV-relatedfactors• Patientsinhigh-riskcategorybyatleastonescore(>7.5%for
ACC/AHAor>10%forFRS)merit:– SuppressiveARTifnotalreadytreated– Strongconsiderationofstatin– AggressiveCVDriskfactorreduction
• Roleforentireclinicalteam(non-prescribers)• Promotionoflifestylemodification
Basedonexpertopinion.
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Outline
• EpidemiologyofHIVandCVD• PathophysiologyofHIVandCVD
– Roleoftraditionalriskfactors– RoleofART– Roleofinflammation/immuneactivation
• ManagementofCVDinHIV– CVDriskprediction– CVDprevention
• Novelriskfactors• Traditionalriskfactors
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StatinsinHIV• Statinsareaninterventionthatmayreducebothtraditionalandnovel
CVDriskfactorsinHIV;pleiotropiceffectsinclude:– Lipid-loweringeffects– Anti-inflammatoryeffects
• InHIV,statinshavebeenshownto:– EffectivelylowerLDL
• MaybelesseffectiveinHIVvsnon-HIV– Decreaseimmuneactivation(Tcellandmonocyte)– ContributetoimmunereconstitutionindependentofART– Reducenon-calcifiedplaquevolumeandhigh-riskcoronaryplaquefeatures– SlowprogressionofCCA-IMT– Reduceriskofvirologic failureafterviralsuppressiononART– DecreasemortalityinanHIVobservationalcohort
• YetitremainsunknownwhetherstatinspreventCVDinHIV– OngoingREPRIEVEtrialisaddressingthiscriticalquestion
HadiganCID2001;RiddlerJAMA2003;SilverbergAnnIntMed2009;Funderburg,CROI2014abstract335;EckardJID2014;DrechslerCROI2014abstract308;LoLancetHIV2015;LongeneckerAIDS2016;Drechsler PLOSONE2017;MoorePLoSOne2011.
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2013ACC/AHACholesterolGuidelines
• Recommendednewapproachtodeterminestatineligibility(replacedNCEPATP-III)• Statininitiationrecommendedfor4majorbenefitgroups
– ClinicalASCVD– LDL≥190mg/dL– DMage40-75– Estimated10-yearASCVDrisk≥7.5%
• NewACC/AHACVDriskalgorithmusedtoestimate10-yrASCVDrisk• UnclearapplicabilityinHIV
– HIVpatientsexcludedfromRCTsonwhichguidelinesbased– ACC/AHAriskscoremaybeinaccurateinHIV– Statin-ARTdruginteractionsarenotaccountedforinstatinintensityrecommendationswhich
arefixeddose• GuidelinesfailedtorecommendstatinsinmajorityofHIVpatientswithhigh-risk
morphologycoronaryplaqueorwithcarotidplaqueStoneCirculation2014;ZanniAIDS2014;PhanCirc Cardiovasc Imaging2017.
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LimitationsofACC/AHACholesterolGuidelinesinHIV
StoneCirculation2014.
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FurtherChallengesinApplyingNewCholesterolGuidelinestoHIV
StoneCirculation2014.
Dose-adjustmentinHIV(withPIs)
ContraindicatedinHIV(withPIs)
AwaitingfurtherstudyinHIV
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REPRIEVE• ToaddressgapsinknowledgeonstatinsinHIV,theREPRIEVEtrialwas
designedtoaddress:• WhetherstatinspreventCVDinHIV• WhichpatientswithHIVshouldreceiveastatin
• REPRIEVEisthefirstlarge-scalerandomizedclinicaltrialtotestastrategyforpreventingheart-relateddiseaseamongpeoplelivingwithHIV
• REPRIEVEspecificallytargetspatientsatlowtraditionalCVDriskwhowouldnotberecommendedforastatintoassesswhetherstatinsimpactHIV-relatedriskfactorsbeyondlipids
Personalcommunication,Grinspoon2014.
Hypothesis:StatinswillpreventcardiovasculardiseaseinHIV-infectedpatients,particularlyamongthelargegroupwithminimaltraditionalriskandnotmeetingcurrentguidelinesforclinicaluseof
statinsbutatriskforCVDbasedonuniquepathophysiologyofvulnerableplaquemorphologyandinflammation
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REPRIEVEStudyDesign• 6500patients
– 4552enrolled• 100+sites
– US/international• Eligibility
– Age>40– NoCVD– Notonstatin– StableART– Notrecommended
forstatinby2013ACC/AHAguidelines
• Tobecompletedmid-2018
Intervention
Clinical Primary Endpoint
TimeScreening
AndConsent
Asymptomatic HIV+ patients with no history of CVD
Pitavastatin 4mg/dayPlacebo
MICV Death Unstable Angina Arterial Revasc
Secondary Endpoints
Individual components of primary endpoint
All Cause Death
RandomizationR
Incidence/Progression of noncalcified plaque; High-risk plaque
Mechanistic Study
Inflammatory, immunological, metabolic biomarkers
Mechanistic Primary Endpoint
Coronaryplaque,vascularinflammation,immuneactivation
Stroke
Predictors of statin effects
Statin safety and non AIDS comorbidities: DM, Infections, Cancer
All cause death
Figure 4. Schematic overview of REPRIEVE trial design.
Intervention
Clinical Primary Endpoint
TimeScreening
AndConsent
Asymptomatic HIV+ patients with no history of CVD
Pitavastatin 4mg/dayPlacebo
MICV Death Unstable Angina Arterial Revasc
Secondary Endpoints
Individual components of primary endpoint
All Cause Death
RandomizationR
Incidence/Progression of noncalcified plaque; High-risk plaque
Mechanistic Study
Inflammatory, immunological, metabolic biomarkers
Mechanistic Primary Endpoint
Coronaryplaque,vascularinflammation,immuneactivation
Stroke
Predictors of statin effects
Statin safety and non AIDS comorbidities: DM, Infections, Cancer
All cause death
Figure 4. Schematic overview of REPRIEVE trial design.
Personalcommunication:GrinspoonandFitch2017.
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NovelInterventionsTargetingResidualInflammationandImmuneActivation
• ARTtreatmentintensification– Additionofraltegravir didnotimproveendothelialfunctionormarkers
ofTcellactivation• CCR5antagonists - blockHIVco-receptorCCR5
– Maraviroc reducedprogressionofatherosclerosisinmousemodel• Rifaximin – antibioticwithanti-inflammatoryproperties
– MinimallyaffectedmicrobialtranslocationandT-cellactivationinARTimmunenonresponders
• Sevelamer – phosphate-bindingdrug– Didnotreducemicrobialtranslocation/immuneactivationbutdid
improvelipidindices• Mesalamine (5-aminosalicylicacid)– decreasesmucosal
inflammationinUC– DidnotreduceTcellactivationorincreaseCD4count
HatanoJAIDS2012;GandhiJAIDS2012;SteinJAMA2012;JonesBrJPharmacol2011;CiprianiCirculation2013;Tenorio JID2015;SandlerJID2014;Somsouk PLOSONE2014.
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NovelInterventionsTargetingResidualInflammationandImmuneActivation
• Pentoxifylline - phosphodiesteraseinhibitor– Didnotimproveendothelialfunctionandunexpectedly increasedinflammatorybiomarker
sTNFRI inuntreatedHIV– Didnotimproveendothelialfunctionandunexpectedlyattenuatedreductionsin
proatherogenic inflammatorybiomarkersinpatientsinitiatingART• Hydroxychloroquine – immunomodulatory/anti-inflammatoryusedinSLEand
GFVD– DidnotreduceTcellactivationandunexpectedlyresultedingreaterCD4declineand
increasedviralreplication• Low-dosemethotrexate
– Recenttrialof176patients– A5314– Nodifferenceinendothelialfunction(assessedbyFMD),inflammatoryorcoagulationmarkers
(hsCRP,IL-10,sCD163,d-dimer,fibrinogen,VCAM,IL-6)– DecreaseinCD4andCD8Tcellactivationwithlow-dosemethotrexate– DecreaseinarterialinflammationbyFDG-PETwithlow-dosemethotrexate
• IL-1β inhibitionwithcanakinumab – monoclonalantibodythatbindsIL-1β andinhibitsIL-6production
– Ongoingtrialassessingendothelialfunction(assessedbybrachialarteryFMD),vascularinflammation(assessedbyFDG-PET/CTscanning),inflammatorymarkers(hsCRP,IL-6,sCD163),D-dimer,T-cell/monocyteactivation,HIVreservoirsize
GuptaPLoSOne2013;GuptaAIDS2016;PatonJAMA2012;HsueCROI2018;Tawakol CROI2018;www.clinicaltrials.gov.
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TraditionalCVDRiskFactors:Strategies
SMOKING• Prioritizecessationforall
HIV-infectedsmokers
DYSLIPIDEMIA• Usecurrentguidelinesas
lowerthresholdforstatinprescription
• CheckfastinglipidsasperHIVPrimaryCareGuidelines
• Beawareofstatin-ARTdruginteractions
• AwaitREPRIEVEresults
DIABETES• Checkfastingglucoseor
HbA1CasperHIVPrimaryCareGuidelines
• HbA1CmayunderestimateglycemiainHIV– Considercutoff5.8%
HTN• FollowexistingJNC8(2014
HypertensionGuideline)forgeneralpopulation
FitchAIDS2006;AbergCID2014;LundgrenHIVMed2008;ChobanianHypertension2003;CROI2014abstract769;JamesJAMA2014;FitchAIDS2006;AbergCID2014;LundgrenHIVMed2008;ChobanianHypertension2003;CROI2014abstract769;JamesJAMA2014;EtziAntivirTher2006;TashimaCROI2009abstract148;TorneroJAIDS2009;TreatingTobaccoUseandDependenceDHHS2008.
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LifestyleModificationStrategies:RoleoftheClinicalTeam
• IntensivelifestylemodificationimprovesCVDriskindicesinHIV-infectedpatientswithmetabolicsyndrome
• QuittingsmokingdecreasesAMIeventratesinHIV
• IRR3.73<1yearsincequitting• IRR2.07>3yearssincequitting
• ApplyguidelinesforgeneralpopulationtoallHIVsmokers– Routinescreeningintegratedinto
HIVprimarycare– Strong,brief,intensiverepeated
counseling– UnclearwhetherHIV-specific
smokingcessationinterventionsindicated
– Roleforallmembersofclinicalteam
• ConsidersystematicapproachestoidentifyHIV-infectedpatientswhomightbenefitfromlifestylemodification– Counselingandeducation– Linkingtocommunityresources
FitchAIDS2006;Petoumenos HIVMed2011.
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ARTandCVDPrevention
• ShiftovertimeinoverallroleofARTinrelationtoCVDriskinHIV• BenefitofARTwithviralsuppressionandimmunereconstitutionthoughtto
outweighpotentialpro-atherogeniceffectsofindividualmedications– CanbeconsideredCVDinterventionfornovelriskfactors
• RoleofARTasbeneficialfromCVDstandpointsupportedbyclinicaltrials– SMARTtrial:continuoustreatmentsuperiortointerruptedtreatment– STARTtrial:earlytreatmentsuperiortodeferredtreatment
• RoleofARTasbeneficialfromCVDstandpointreflectedinHIVtreatmentguidelines– 2010IAS-USAHIVtreatmentguidelines recommendedinitiationofARTspecifically
forpatientswithhighcardiovascularriskregardlessofCD4count– 2012DHHSHIVtreatmentguidelines recommendantiretroviraltherapyforallHIV-
infectedindividuals• TherecommendationtoinitiatetherapyatCD4count>500cells/mm3(BIII)isbasedongrowing
awarenessthatuntreatedHIVinfectionoruncontrolledviremiamaybeassociatedwithdevelopmentofmanynon-AIDSdefiningdiseases,includingcardiovasculardisease (CVD), kidneydisease,liverdisease,neurologiccomplications,andmalignancy
ThompsonJAMA2010;ACCF/AHA/ACPCirculation2009;http://aidsinfo.nih.gov/contentfiles/lvguidelines/AdultandAdolescentGL.pdf
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UNTREATEDHIV
ART
CVDIMMUNE
ACTIVATION
INFLAMMATION DIABETES
HYPERTENSION
SMOKING
PreventionofHIV-AssociatedCVD
Early2000sCVDriskdata
2006SMARTtrial
2007-2008ARTdata
2015STARTtrial
DYSLIPIDEMIATRADITIONALRISKFACTOR
MODIFICATION:STATINSSMOKINGCESSATION
TREATDM/HTNLIFESTYLE
TREATHIV
STATINSNOVELANTI-
INFLAMMATORIESPREVENTCVD
ARTDRUGSSELECTARTBASEDONCVDRISK
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ImplicationsandFutureQuestions• SignificantimpactofCVDinHIVpopulationsrelatedtoinflammation• Currenttreatmentandpreventionparadigmsdonotreflectmechanism• Clinicallyrelevantquestions
– HowisCVDriskmostaccuratelyassessedinHIV?– Whatistheroleforstatinsandanti-inflammatory/immunomodulatoryagents
inreducingCVDriskinHIV– HowdoesCVDdifferinHIVpatientsinresource-limitedsettings?– ShouldHIVbeconsideredacardiovascularriskequivalent?
• Recommendedstrategies– TreatHIVtoreduceinflammation,immuneactivationandassociatedCVDrisk– BuildCVDriskassessmentintopractice– ConsiderunderlyingCVDriskwhenselectingspecificARTdrugs– ManagetraditionalCVDriskfactorsaggressively(e.g.smoking)– Engageentireclinicalteamincludingnonprescribers
• IntensityandconsistencyofHIVcareandpatientengagementincareprovideopportunitytopreventandmanagechronicdiseasecomplications
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AcknowledgmentsColleagues,collaboratorsandmentors• StevenGrinspoon• JamesMeigs• RalphD’Agostino• JosephMassaro• MichaelSilverberg• DanielKlein• SusanRegan• MosepeleMosepele• ShahinLockman• FeliciaChow• MarkellaZanni• JanetLo• SaraLooby• TomasNeilan• ScottDryden-Peterson• MarkSiedner• KathleenFitch• JacquelineChu
Researchsupportfrom:• NIH/NHLBI• AmericanHeartAssociation• MassachusettsGeneralHospitalExecutive
CommitteeonResearch
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