LE DISLIPIDEMIE VECCHIE E NUOVE TERAPIE DISLIPIDEMIE VECCHIE E NUOVE TERAPIE ... A receptor mediated...

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LE DISLIPIDEMIE VECCHIE E NUOVE TERAPIE Un’avventura a:raverso tre generazioni Anna Nelva Asl BI - Biella LE DISLIPIDEMIE VECCHIE E NUOVE TERAPIE Un’avventura a:raverso tre generazioni Anna Nelva Asl BI - Biella

Transcript of LE DISLIPIDEMIE VECCHIE E NUOVE TERAPIE DISLIPIDEMIE VECCHIE E NUOVE TERAPIE ... A receptor mediated...

Page 1: LE DISLIPIDEMIE VECCHIE E NUOVE TERAPIE DISLIPIDEMIE VECCHIE E NUOVE TERAPIE ... A receptor mediated pathway for cholesterol homeostasis. ... , dispepsia e nausea)

LEDISLIPIDEMIEVECCHIEENUOVETERAPIE

Un’avventuraa:raversotregenerazioni

AnnaNelvaAslBI-Biella

LEDISLIPIDEMIEVECCHIEENUOVETERAPIE

Un’avventuraa:raversotregenerazioni

AnnaNelvaAslBI-Biella

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DAL1960AL1985

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Anni’60• SidiffondonosKlidivitachefannoesploderelapatologiacardiovascolare.• VieneassegnatoilPremioNobelinPhysiologyorMedicineaKonradBlocheFeodorLynen“fortheirdiscoveriesconcerningthemechanismandregulaKonofthecholesterolandfa:yacidmetabolism”(1964)• Sonodisponibiliniacina,clofibrato,colesKramina

Konrad Bloch Feodor Lynen

Endo A. A gift from nature: the birth of the statins. Nat. Med. 2008; 14:1050-1052. doi: 10.1038/nm 1008-1050 Brown MS, Goldstei JL. A receptor mediated pathway for cholesterol homeostasis. Science 1986; 232:34-47 Lipid Research Clinics Program. The Lipid Research Clinics coronary primary prevention trial results, 1: reduction in the incidence of coronary artery disease. Jama. 1984; 251-:351-364 Lipid Research Clinics Program. The Lipid Research Clinics coronary primary prevention trial results, II: the relationship of reduction in incidence of coronary heart disease to cholesterol lowering. JAMA. 1984; 251: 365-374

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Anni’70• Nel 1973 Joseph L. Goldstein e Michael S. BrownidenKficanoilrece:oredelleLDL• Nel 1973 anno Akira Endo isola la compacKna(mevastaKna) prodo:a da Penicillium citrinum Pen-51,dopoaveretestato6000ceppidimicrorganismi• Nel 1978 viene isolata la lovastaKna da AspergillusterreusAnni’80• Nel1984ilCoronaryPrimaryPrevenKonTrialdimostraper laprimavolta che la riduzionedella colesterolemia(con la colesKramina) riduce in modo significaKvo glievenK da coronaropaKa,in misura proporzionale alladiminuzionedelcolesteroloLDL• Nel1985vienecara:erizzatoilgenedelrece:oredelleLDLdaBrowneGoldstein.NellostessoannoricevonoilpremioNobelper la scoperta del rece:ore delle LDL edelsuoruolonellaseveraipercolesterolemiafamiliare.

Endo A. A gift from nature: the birth of the statins. Nat. Med. 2008; 14:1050-1052. doi: 10.1038/nm 1008-1050 Brown MS, Goldstei JL. A receptor mediated pathway for cholesterol homeostasis. Science 1986; 232:34-47 Lipid Research Clinics Program. The Lipid Research Clinics coronary primary prevention trial results, 1: reduction in the incidence of coronary artery disease. Jama. 1984; 251-:351-364 Lipid Research Clinics Program. The Lipid Research Clinics coronary primary prevention trial results, II: the relationship of reduction in incidence of coronary heart disease to cholesterol lowering. JAMA. 1984; 251: 365-374

MicrografiadiPenicilliumcitrinumPen-51

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DAL1985AL2010

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1987laFDAapprovalalovastaKna,primastaKnacommercializzata.E’seguitadasimvastaKna,eda5KpidistaKnesinteKche(fluvastaKna,cerivastaKna,atorvastaKna,rosuvastaKna,pitavastaKna).LacerivastaKnasaràtoltadalcommerciopersegnalazionidigravemiopaKaAnni’90Trialemetanalisiconfermanounariduzionedose-dipendentedipatologiacardiovascolareconl’abbassamentodelcolesteroloLDL:ogni40mg/dldiriduzionedelcolesteroloLDLsiassociaaunacorrispondenteriduzionedel22%dimortalitàemorbiditàcardiovascolareDimostranoanchechelestaKneriduconoinmodosostanzialemorbiditàemortalitàcardiovascolaresiainprevenzioneprimariachesecondariaLestaKnesidimostranoingradodirallentarelaprogressioneoanchedipromuoverelaregressionedell’aterosclerosicoronaricaDiventanoifarmacidiprimasceltainpazienIconipercolesterolemiaoiperlipidemiacombinata

Endo A. A gift from nature: the birth of the statins. Nat. Med. 2008; 14:1050-1052. doi: 10.1038/nm 1008-1050 European Association for Cardiovascular Prevention & Rehabilitation, Reiner Z, Catapano AL, et al. ESC/EAS guidelines for the management of dyslipidaemias: the Task Force for the management of dyslipidaemias of the European Society of Cardiology (ESC) and the European Atherosclerosis Society (EAS). Eur Heart J 2011; 32:1769-818 Perk J, De Backer G, Gohlke H, et al. European guidelines on cardiovascular disease prevention in clinical practice (version 2012). The Fifth Joint Task Force of the European Society of Cardiology and Other Societies on Cardiovascular Disease Prevention in Clinical Practice (constituted by representatives of nine societies and by invited experts). Eur Heart J 2012; 33: 1635-701

Ada2atodaCTTCollaborators.Lancet.2005;366:1267-78

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Lancet 2010; 376:1670–81

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!  RiduconolasintesiepaKcadicolesterolo,inquantopotenKinibitoricompeKKvidiHMGCoAredu:asi,enzimachiavedellabiosintesidelcolesterolo.

!  Lariduzionedellaconcentrazionedicolesterolointracellulareinducel’espressionedelrece:oreperleLDLsullasuperficiedegliepatociK.

!  Questoportaaunaumentodell’estrazionedicolesteroloLDLdalsangueeaunarido:aconcentrazionedicolesteroloLDLcircolanteedialtrelipoproteinecontenenKapoB,compreseleparKcellericcheditrigliceridi

European Assoociation for Cardiovascular Prevention & Rehabilitation, Reiner Z, Catapano AL, et al. ESC/EAS guidelines for the management of dyslipidaemias: the Task Force for the management of dyslipidaemias of the European Society of Cardiology (ESC) and the European Atherosclerosis Society (EAS). Eur Heart J 2011; 32:1769-818

ComefunzionanolestaKne?

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•  Differisconofraloroinassorbimento,biodisponibilità,legamealleproteineplasmaKche,escrezioneesolubilità

•  LovastaKnaesimvastaKnasonoprofarmaci,mentrelealtrestaKnesonosomministrateinformaajva

•  Tassidiassorbimentofrail20eil98%

•  SonometabolizzatealivelloepaKcocongliisoenzimicitocromoP450(CYPs),trannepravastaKna,rosuvastaKna,pitavastaKna

ComefunzionanolestaKne?

European Assoociation for Cardiovascular Prevention & Rehabilitation, Reiner Z, Catapano AL, et al. ESC/EAS guidelines for the management of dyslipidaemias: the Task Force for the management of dyslipidaemias of the European Society of Cardiology (ESC) and the European Atherosclerosis Society (EAS). Eur Heart J 2011; 32:1769-818

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Nel2005AkiraEndoriceveilpremioLasker-DeBakeyClinicalResearchPrizedalPremioNobelJosephGoldstein

perlascopertadellestaKne

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EvenIavversi

Esisteunavariabilitàinterindividuale(comeanchenellarisposta),maglievenKavversisonocomunquerari.PiùfrequenKconetàavanzata,corporaturaminuta,generefemminile,disfunzionerenaleeepaKca,periodiperioperatori,ipoKroidismo,pluripatologia,abusodialcool

•  MiopaKa:<1/1000,puòprogredireversolarabdomiolisi

•  Mialgie,senzaaumentoCK:5-10%

•  Aumentotransaminasi,dose-dipendente:0,5-2%

•  Diabete,malariduzionedirischiodievenKCVneipzadaltorischiosuperal’aumentomoltopiccolodiincidenzadidiabete

•  Disturboacutoereversibiledimemoria(confermatoancheconaltreterapieipolipemizzanK)

C’èunrovesciodellamedaglia?

European Assoociation for Cardiovascular Prevention & Rehabilitation, Reiner Z, Catapano AL, et al. ESC/EAS guidelines for the management of dyslipidaemias: the Task Force for the management of dyslipidaemias of the European Society of Cardiology (ESC) and the European Atherosclerosis Society (EAS). Eur Heart J 2011; 32:1769-818 Strom BL, Schinnar R, Karlawish J, et al. Statin therapy and risk of acute memory impairment. JAMA Intern Med 2015, 175:1399-405

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ResinesequestranKgliacidibiliari(colesKramina)

Comeagiscono:

•  NonvengonoassorbiKincircolo,néalteraKdeglienzimidigesKvi

•  Leganogliacidibiliaririducendoneilricircoloentero-epaKco

•  Ilfegato,depletodiacidibiliari,nesinteKzzamaggiormenteusandoleriserveepaKchedicolesterolo

•  L'aumentatocatabolismoepaKcodelcolesteroloinacidibiliariportaaunaumentocompensatoriodell'ajvitàdelrece:oreperLDLalivelloepaKco,conaumentatosequestrodiLDL-Cdalcircolo

•  Riduconoilivellidiglucosioneipz.iperglicemici

Efficaciaclinica:

•  Con24gdicolesKraminaosservatariduzionediLDL-Cdel18-25%.

EvenIavversieinterazioni

•  PossonoaumentareitrigliceridiinalcunipzpredisposK

•  CausanoeffejcollateralidiKpointesKnale(flatulenza,sKpsi,dispepsiaenausea)

•  Possonoridurrel'assorbimentodivitamineliposolubili

•  ImportanKinterazioniconmolKaltrifarmaci

European Assoociation for Cardiovascular Prevention & Rehabilitation, Reiner Z, Catapano AL, et al. ESC/EAS guidelines for the management of dyslipidaemias: the Task Force for the management of dyslipidaemias of the European Society of Cardiology (ESC) and the European Atherosclerosis Society (EAS). Eur Heart J 2011; 32:1769-818 Hegele RA, et. al. Nonstatin low-density Lipoprotein.Lowering Therapy and Cardiovascular Risk Reduction-Statement From ATVB Council. Arterioscl Thromb Vasc Biol. 2015;35:2269-2280. DOI:10,1161/ATVBAHA.115.306442.

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EzeKmibeComeagisce:

•  Inibiscel'assorbimentodicolesteroloesogenoalivellodellamucosaintesKnale(interferendoconNiemannPickC1-likereceptor1)

•  Inrispostaalrido:oapportodicolesteroloilfegatoreagisceaumentandol'espressionediLDL-R,aumentandolaclearancediLDLdalsangue

Efficaciaclinica:

•  InaggiuntaaunastaKnariduceilcolesteroloLDLdiunulteriore15-20%

•  Nel2015iltrialIMPROVE-IThadimostratocherispe:oallasolastaKnaezeKmibe+simvastaKnariducevanoinmodosignificaKvoglievenKcardiovascolarimaggioridel7%,quandoiniziaKentro10giornidaSCA,conunamaggiorediminuzionediLDL-Cdicirca16mg/dl

•  Semprenel2015iltrialPRECISE-IVUShadimostratounamaggioreregressionedelvolumedellaplaccacoronaricaconezeKmibe+atorvastaKnarispe:oallasolaatorvastaKna

EvenIavversieinterazioni

•  NonriportaKeffejcollateralimaggiori,solomoderatoincrementodienzimiepaKciemialgie

European Assoociation for Cardiovascular Prevention & Rehabilitation, Reiner Z, Catapano AL, et al. ESC/EAS guidelines for the management of dyslipidaemias: the Task Force for the management of dyslipidaemias of the European Society of Cardiology (ESC) and the European Atherosclerosis Society (EAS). Eur Heart J 2011; 32:1769-818 Hegele RA, et. al. Nonstatin low-density Lipoprotein.Lowering Therapy and Cardiovascular Risk Reduction-Statement From ATVB Council. Arterioscl Thromb Vasc Biol. 2015;35:2269-2280. DOI:10,1161/ATVBAHA.115.306442.

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Omega-3Comeagiscono:

•  Meccanismiancorapocochiari,almenoinpartelegaKainterazioneconPPARserido:asecrezionediapoB

•  Efficaciaclinica:

•  Riduzionedeitriglicerididel30%circa(dosi2-4g/die)

•  InassociazioneconsimvastaKnadimostratamaggiorediminuzionedeitrigliceridiconunpiccoloaumentodiHDL-C

•  InassociazioneapravastaKnaefenofibratoindiabeKcidislipidemicidimostratamaggiorediminuzionedellatrigliceridemiaediminuzionediomocisteinemia

•  AssociaKabassedosidipravastaKnaosimvastaKnarispe:oallasolastaKnahannorido:oglievenKcoronaricimaggiorisenzamodificareitassidimorteimprovvisadioriginecardiaca

EvenIavversieinterazioni:

•  Sicurieprividiinterazionicliniche

•  PereffejanKtromboKcipossonoaumentareirischidisanguinamentoinassociazioneaaspirina/clopidogrel

European Assoociation for Cardiovascular Prevention & Rehabilitation, Reiner Z, Catapano AL, et al. ESC/EAS guidelines for the management of dyslipidaemias: the Task Force for the management of dyslipidaemias of the European Society of Cardiology (ESC) and the European Atherosclerosis Society (EAS). Eur Heart J 2011; 32:1769-818

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FibraKComeagiscono:

•  AgonisKdiperoxisomeproliferator-acKvatedreceptor(PPAR-alfa),cheregolavaripassaggidelmetabolismodilipidielipoproteineagendoa:raversofa:oriditrascrizione;reclutanodifferenKcofa:orieregolanol'espressionegenica

Efficaciaclinica:

•  Abbassanoilivelliditrigliceridisiaadigiunochepost-prandialidel30-50%eiremnantricchiditrigliceridi

•  Modestoeffe:odiaumentodiHDL-C

•  Sembranoessercibeneficisulrischiocardiovascolaresopra:u:oinpzconTG>200mg/dl

EvenIavversieinterazioni:

•  Sintomigastroenterici5%

•  rashcutanei2%

•  MiopaKa(specieseinsuffrenalecronicaecongemfibrozil,cheinibisceilmetabolismodellastaKnea:raversoglucuronidazione;moltominoreconfenofibrato).

•  AumenKdelletransaminasi,coleliKasi,lieveaumentodiincidenzadipancreaKteeemboliapolmonare

•  AumenKdicreaKninaeomocisteina

European Assoociation for Cardiovascular Prevention & Rehabilitation, Reiner Z, Catapano AL, et al. ESC/EAS guidelines for the management of dyslipidaemias: the Task Force for the management of dyslipidaemias of the European Society of Cardiology (ESC) and the European Atherosclerosis Society (EAS). Eur Heart J 2011; 32:1769-818 Hegele RA, et. al. Nonstatin low-density Lipoprotein.Lowering Therapy and Cardiovascular Risk Reduction-Statement From ATVB Council. Arterioscl Thromb Vasc Biol. 2015;35:2269-2280. DOI:10,1161/ATVBAHA.115.306442.

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LomitapideComeagisce:

• Inibitoredellaproteinamicrosomialeditrasportodeitrigliceridi,chefacilital’incorporazionediestericolesterilicietrigliceridinelleVLDLa:raversol’interazioneconapoB-100eapoB-48Somministrazioneorale

Efficaciaclinica:

• riduzionediLDL-Cdel35-50%.Effe:oindipendentedalrece:oreLDL

EvenIavversi:

• aumenKdelletransaminasiesteatosiepaKca

ErogabileatotalecaricodelSSNperiltra:amentodell’ipercolesterolemiafamiliareomozigote(età>18anni),inassociazioneadietaabassotenoredigrassi,altrifarmaciipolipemizzanK,sianeipzcheeffe:uanoLDLaferesicheneglialtri

Hegele RA, et. al. Nonstatin low-density Lipoprotein.Lowering Therapy and Cardiovascular Risk Reduction-Statement From ATVB Council. Arterioscl Thromb Vasc Biol. 2015;35:2269-2280. DOI:10,1161/ATVBAHA.115.306442.

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Aferesidellelipoproteineabassadensità

•  RimozionesejmanaleoogniduesejmanediLDLeLp(a)dalplasmaincorsodicircolazioneextracorporea

•  Tecnicacostosamaefficace

•  Indicataperraripzconseveraiperlipidemia,sopra:u:oconFHomozigoteeeterozigotegrave

•  EseguitasoloincentrimoltospecializzaK

European Assoociation for Cardiovascular Prevention & Rehabilitation, Reiner Z, Catapano AL, et al. ESC/EAS guidelines for the management of dyslipidaemias: the Task Force for the management of dyslipidaemias of the European Society of Cardiology (ESC) and the European Atherosclerosis Society (EAS). Eur Heart J 2011; 32:1769-818

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IntegratorialimentariealimenKfunzionali

European Assoociation for Cardiovascular Prevention & Rehabilitation, Reiner Z, Catapano AL, et al. ESC/EAS guidelines for the management of dyslipidaemias: the Task Force for the management of dyslipidaemias of the European Society of Cardiology (ESC) and the European Atherosclerosis Society (EAS). Eur Heart J 2011; 32:1769-818

Fitosteroli PresenKnaturalmenteinvarialimenKvegetaliCompetonoconilcolesteroloperl’assorbimentointesKnaleVengonoaggiunKavarialimenK2g/diepossonodeterminareunabbassamentocolesterolototeLDLdel7-10%NondaKsuprevenzionediCVDPossibileminoreassorbimentodicarotenoidievitamineliposolubili

Proteinedellasoia Modestoeffe:odiriduzionedelcolesteroloLDL(3-5%)

Fibrealimentariidrosolubilidacruscad’avena,beta-glucani,Psyllium

5-15g/diepossonoridurreilcolesteroloLDL

Omega-3 2-3g/diedioliodipesceriduconoitriglicerididel25-30%SupplemenKdiomega3acatenalungapossonoaumentareilcolesteroloLDLdel5%circaneipzcongraveipertrigliceridemia

Risorossofermentato MeccanismostaKno-simile(monacolina)

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SKledivita!

Tipodigrassi

•  1%dienergiainpiùdaigrassisaturi:1,6mg/dlinpiùdiLDL-C•  1%dienergiainpiùdagrassimonoinsaturi:1,6mg/dlinmenodiLDL-C•  Unadietariccadimonoinsaturirispe:oaunadietariccadigrassisaturiaumentala

sensibilitàall'insulinaeriduceitrigliceridi,specienelperiodopost-prandiale•  Gliomega3nonriduconoilcolesterolo,mailconsumodipesceriduceilrischio

cardiovascolare•  Adosifarmacologichegliomega-3riduconoitrigliceridiconeffe:oneutrooconlieve

aumentodiLDL

TipodicarboidraI

•  CarboidraKadaltoindiceglicemicodeterminanounaumentodeitrigliceridi,comeancheilfru:osioeunconsumoelevatosiassociaaunadiminuzionesignificaKvadiHDL-C

Fibre

•  Lefibreriduconolacolesterolemia

Peso

•  IlcalodipesoinfluenzaCol.ToteLDL:8mg/dldiLDL-Cinmenoogni10Kgdicaloneigrandiobesi

•  Ilcalodipesodeterminaunariduzionedeitriglicerididel20-30%;inoltreunaumentodiHDL-Cdi0,4mg/dlperogniKginmenoquandolariduzionesièstabilizzata

AUvitàfisica: •  UnaumentodiHDL-Cconeffe:ominoresull'LDL-Cèindo:odaajvitàfisicaregolare

Fumo:

•  Sme:eredifumarepuòcontribuireall'aumentodiHDL-C

CasiparIcolari

•  Nellesevereipertrigliceridemieconpresenzadichilomicroni,ancheadigiuno,èappropriatoridurreilpiùpossibileigrassidelladieta(considerarel'usodiTGacatenamedia)

European Assoociation for Cardiovascular Prevention & Rehabilitation, Reiner Z, Catapano AL, et al. ESC/EAS guidelines for the management of dyslipidaemias: the Task Force for the management of dyslipidaemias of the European Society of Cardiology (ESC) and the European Atherosclerosis Society (EAS). Eur Heart J 2011; 32:1769-818

1,1%energiadaigrassisaturi=1,6mg/dldiLDL-C

-8mg/dldiLDL-Cogni10Kgpersi

Diminuzionedeitriglicerididel20-30%concalodipeso

AumentodiHDL-Cdi0,4mg/dlperogniKginmeno

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SimvastaKnaRosuvastaKnaPravastaKnaLovastaKnaFluvastaKnaAtorvastaKna

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NOTA13Checosaprescrivere:ipercolesterolemiaeipercolesterolemia

poligenica•  SIledivita:atuUesempre

•  Prescriveredieta,poiseinsufficientestaKne,poiezeKmibe+staKne(IIlivelloancherosuvastaKna)

•  MalaterapiadovrebbeessereintrapresacontemporaneamenteallamodificadellosKledivitaneipz.arischiomoltoaltoconC-LDL>70mg/dleinquelliarischioaltoconC-LDL>100mg/dl

•  SesdcoronaricheacuteoPTCA:atorvastaKnaadosaggioelevato

•  SeintolleranzaastaKne:ezeKmibeinmonoterapia(neipzconrischioperCVDmoltoalto:rosuvastaKna)

•  SeincorsodistaKneHDLbasse(M<40,F<50)e/oTG>200:fibraK

•  TargetterapeuKco

•  Pzconrischiomedio:colesteroloLDL<130mg/dl

•  Pzconrischiomoderato:colesteroloLDL<115mg/dl

•  Pzconrischioalto:colesteroloLDL<100mg/dl

•  Pzconrischiomoltoalto:colesteroloLDL<70mg/dl

•  Neipzarischiobasso(score0-1%)indicatasololamodificaallosKledivita

•  RimborsabilitàsenzalimiKdietàinprevenzionesecondaria;inprevenzioneprimariaèprevistafinoagli80anni,masenzalimiKdietàincasodimalajacoronarica,vascolare,odiabetemellito(pzdaconsiderareinprevenzionesecondaria)

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NOTA13Checosaprescrivere:dislipidemiefamiliari

•  Ipercolesterolemiafamiliaremonogenica

StaKneezeKmibe+staKneaggiungereresinesequestranKgliac.biliari

•  Iperlipidemiafamiliarecombinata

StaKnediIlivellorosuvastaKna/PUFA-N3/ezeKmibe+staKne

•  Disbetalipoproteinemia

StaKne/fibraKrosuvastaKna/ezeKmibe+staKneaggiungereresinesequestranKac.biliari

•  Iperchilomicronemieegraviipertrigliceridemie

FibraK/PUFA-N3fibraK+PUFA-N3

EzeKmiberimborsatoinmonoterapiaseintolleranzaastaKne

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NOTA13Checosaprescrivere:situazioniparKcolari

•  Insufficienzarenalecronicamoderataegrave:

•  Setrigliceridi>500mg/dl:PUFA-N3

•  SeLDL-D>=130mg/dl:1°sceltasimvastaKna+ezeKmibe,2°sceltaaltrestaKneaminimaescrezionerenale

•  NeidiabeKci:

•  dovrebbeessereconsideratoancheildosaggiodiApoB(TT<=80mg/dl)perchéleLDLsonoimpoveriteincolesteroloearricchiteintrigliceridi),inalternaKvavalutareilcolesterolononHDL.ApoBpuòessereuKleancheinpresenzadisd.metabolicaoinsuff.renalecronica

•  IncorsidianKretrovirali:

•  controindicataSimvastaKna(usarestaKnedisecondolivello)

Einfine:

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EDAADESSOINPOI?

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2003 2004 2007 2009 2010

Gain-of-funcKonmutaKonsinproproteinconvertasesubKlisin/kexintype9(PCSK9)associatedwithautosomal-dominanthypercholesterolemia1

OverexpressionofPCSK9inmiceshowntoresultinLDLreceptorknockoutphenotype2

ScienIstsreportcrystalstructureofPCSK93

ResearchersreportthatananIbodyagainstPCSK9canlowercholesterolinmiceandnonhumanprimates4

ThefirstexampleofaPCSK9neutralizinganKbodyreducingLDL-Cinvivo

mAbsagainstPCSK9enterhumantesIng5

1.AbifadelM,etal.NatGenet.2003;34:154-156.2.MaxwellKN,etal.ProcNatlAcadSciUSA.2004;101:7100-7105.3.PiperDE,etal.Structure.2007;15:545-552.4.ChanJCY,etal.ProcNatlAcadSciUSA.2009;106:9820-9825.5.DiasC,etal.CirculaUon.2011;124:Abstract10701.

ReprintedfromStructure,vol15,PiperDE,etal.ThecrystalstructureofPCSK9:aregulatorofplasmaLDL-cholesterol,pp545-552,Copyright(2007),withpermissionfromElsevier.

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EvoluzionedegliAnKcorpiMonoclonali

1.FoltzIetal.CirculaUon2013Jun4;127(22):2222-30;2.NelsonALetal.NatureReviewsDrugDiscovery2010Oct;9(10):767-74

28

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FunzioneeCicloBiologicodelRece:oreLDL

ForillustraKonpurposesonly

29

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IlRuolodiPCSK9nellaRegolazionedell’EspressionedelRece:oreperleLDL

X

ForillustraKonpurposesonly

30

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DownregulatesPCSK9

LaregolazionediPCSK9èdinamicaPCSK9isproducedprimarilybythe

liver,kidney,andintesInes1

• Dietaryandcellularcholesterol4

• Long-termfasKng1

• Bileacids3,4

PlasmaPCSK9level

UpregulatesPCSK9

• CholesteroldepleKon2,3• Cholestyramine2

• Sterolregulatoryelement-bindingprotein21,3,4

• StaIns3,4

1.  HortonJD,etal.JLipidRes.2009;50:S172-S177.2.  LopezD.BiochemBiophysActa.2008;1781:184-191.3.  AbifadelM,etal.HumMutat.2009;30:supplementaryinformaUon.4.  AbifadelM,etal.In:TothPP.TheYearinLipidDisorders.Vol.2.

Oxford,UK:AtlasMedicalPublishingLtd.2010:3-23.31

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Impa:odell’AnKcorpocontroPCSK9sull’EspressionedelRece:oredelleLDL

ForillustraKonpurposesonly

32

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Cara:erisKchedegliinibitoridiPCSK9(risultaKdeitrial)

•  DeterminanounariduzionedicolesterolodelLDL40-65%,conriduzioneanchedicolesterolotot.eLp(a)eunaumentodiHDLdel6%

•  EffejindesideraKlievierelaKvamentenonfrequenK

•  EfficacianchenelleipercolesterolemiefamiliariomozigoK(evolucumab420mg/4sejmane)inmisuralegataalgradodiresiduaajvitàdiLDL-R

•  NonsonostaKdeterminaKcomeoutcomeprimaripre-specificaKgliesiKcardiovascolarichesonoinveceogge:odistudioditriala:ualmenteincorso

•  DaKpreliminarisuggerisconotu:aviaefficacianelridurreglievenKcardiovascolaria1-1,5anni

•  Estremamentecostosi

WhiteCM,PharmD,FCP,FCCP.TherapeuUcPotenUalandCriUcalAnalysisofthePCSK9MonoclonalAnUbodiesEvolucumabandAliroocumab.Ann.Pharmac2015;49(12):1327-1335

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34

PazienIconIntolleranzaalleStaIne

IpercolesterolemiainpazienIarichioCVmoltoalto(noncontrollaKconmaxdosetolleratadistaKna

±Eze)

Evolocumab,Alirocumab,Bococizumab

AbanK-PCSK9PERILTRATTAMENTO

DELL’IPERCOLESTEROLEMIA«DIFFICILE»FarmaciBiologici:inibitoriPCSK9

InibitoriPCSK9comeAdd-onamassimadosetolleratastaIne(±

altriLLT)

PazienIconIpercolesterolemiaFamiliare(i.eHeFH)

Ulterioreriduzionedel55-60%diLDL-CrispeeoaterapiamaxconstaIne.

65-80%dipazienIHeFHatargetdiLDL-C<70mg/dL

InibitoriPCSK9comeAdd-onamassimadosetolleratastaIne(±

altriLLT)

Ulterioreriduzionedel60-70%rispeeoaterapiamaxconstaIne

85-90%dipazienIatargetperLDL-C<70mg/dL

PCSK9InibitoriMONOTERAPIA(oAdd-ontoaltriipolipemizzanI?)

50-55%diriduzionediLDL-Cinmonoterapia

Buonprofilodisicurezza

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TAKEHOMEMESSAGES

Itra:amenKdisponibilihannoefficaciaesicurezzaindiscuKbili

VannousaKsecondoleindicazionidellelineeguida,inparKcolareperquantoriguardaKpo,dosi,controlli,sullabasedellecara:erisKchedelsingolopaziente,peraverneilmassimobeneficio

GliinibitoridiPCSK9rappresentanoun’opzioneperpazienKchepotrebberobeneficiarediunaulterioreriduzionedel50-60%dicolesteroloLDL

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