- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT03191175
Inflammasome Activation Via Circulating Metabolites (InflammoVIH)
Residual Immune Activation in HIV-infected Patients on Successful cART: Association Between Inflammasome Activation in Monocytes by Circulating Metabolites and Non AIDS Defining Comorbidities
The clinical challenges confronting patients with HIV has shifted over the past 10 years from acquired immunodeficiency syndrome to chronic diseases including atherosclerosis, neurocognitive disorders, and osteoporosis. Chronic low grade inflammation and monocyte activation have been consistently associated with comorbidities in HIV patients. Indeed, recent studies indicate that inflammatory mediators including IL-6, IL-1, sCD14 and s CD163 produced by monocytes, but not T-cell activation, predict Non-AIDS-related events in virologically suppressed HIV-infected persons treated with combined antiretroviral therapy (cART), highlighting the important role of monocyte activation in the occurrence of comorbidities in cART-treated HIV infected patients. Yet, the underlying molecular pathways of persistent monocyte activation in cART treated HIV-infected patients remains incompletely characterized. Our preliminary results: 1/ establish a link between the activation of the inflammasome, the increased of pyrimidine-derived metabolites and the cardiovascular risk in a cohort of elderly patients; 2/ show that treated HIV-patients are characterized by increased soluble IL-1b or IL-18 in their blood suggesting that the inflammasome pathway is activated.
Objectives: In this study we will characterize the molecular pathways underlying persistent monocyte activation in treated HIV patients, through the implication of the activation of the inflammasome machinery: 1. Characterization of NOD like Receptor (NLR) expression in monocytes for IL-1b and IL-18 secretion (inflammasome activation); 2. Characterization of circulating metabolites that active the inflammasome machinery; 3. Evaluation of the link between the activation of the inflammasome, the increased of circulating metabolites and the non-AIDS related comorbidities.
Studieoversigt
Undersøgelsestype
Tilmelding (Faktiske)
Kontakter og lokationer
Studiesteder
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Bordeaux, Frankrig
- Service d'immunologie
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
HIV patients :
Inclusion Criteria:
- Aged 18 years and above
- HIV-1 infected patients
- Enrolled in the CIADIS substudy of the ANRS CO3 Aquitaine cohort
- Patients receiving antiretroviral therapy
- HIV-1 RNA load below the detection limit of 40 copies/mL
- With a written and signed informed consent
Exclusion Criteria:
- HIV-2 or HIV-1/HIV-2 co-infection
Control patients :
Inclusion Criteria:
- Aged 18 years and above
Exclusion Criteria:
- HIV-1, HIV-2 or HIV-1/HIV-2 infection
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Kohorter og interventioner
Gruppe / kohorte |
Intervention / Behandling |
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HIV-patienter
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47ml blood (40 ml EDTA whole blood for Peripheral blood mononuclear cell (PBMC) and monocytes isolation and 7 ml for serum).
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Kontroller patienter
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47ml blood (40 ml EDTA whole blood for Peripheral blood mononuclear cell (PBMC) and monocytes isolation and 7 ml for serum).
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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
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Characterization of NLR (s) implicated in IL-18 up-regulation (inflammasome activation) in HIV
Tidsramme: At baseline (D0)
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At baseline (D0)
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Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
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Characterization of circulating metabolites that active the inflammasome machinery
Tidsramme: At baseline (D0)
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At baseline (D0)
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Non-AIDS related comorbidities
Tidsramme: At baseline (D0)
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metabolites of interest, inflammasome activation measured by IL-1b and IL-18
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At baseline (D0)
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Samarbejdspartnere og efterforskere
Sponsor
Samarbejdspartnere
Efterforskere
- Studiestol: Linda WITTKOP, MD, PhD, Université de Bordeaux - ISPED - Inserm 2129 - CHU de Bordeaux
- Ledende efterforsker: Isabelle PELLEGRIN, MD, PhD, University Hospital, Bordeaux
- Studieleder: Benjamin FAUSTIN, PhD, Centre National de la Recherche Scientifique, France
Publikationer og nyttige links
Generelle publikationer
- Furman D, Chang J, Lartigue L, Bolen CR, Haddad F, Gaudilliere B, Ganio EA, Fragiadakis GK, Spitzer MH, Douchet I, Daburon S, Moreau JF, Nolan GP, Blanco P, Dechanet-Merville J, Dekker CL, Jojic V, Kuo CJ, Davis MM, Faustin B. Expression of specific inflammasome gene modules stratifies older individuals into two extreme clinical and immunological states. Nat Med. 2017 Feb;23(2):174-184. doi: 10.1038/nm.4267. Epub 2017 Jan 16.
- Ozanne A, Duffau P, Dauchy FA, Rigothier C, Terrien C, Lazaro E, Cazanave C, Lawson-Ayayi S, Bonnet F, Blanco P, Wittkop L, Pellegrin I; CIADIS sub-study in the ANRS CO3 Aquitaine cohort study group. Activation, senescence and inflammation markers in HIV patients: association with renal function. AIDS. 2017 May 15;31(8):1119-1128. doi: 10.1097/QAD.0000000000001461.
- Duffau P, Wittkop L, Lazaro E, le Marec F, Cognet C, Blanco P, Moreau JF, Dauchy FA, Cazanave C, Vandenhende MA, Bonnet F, Thiebaut R, Pellegrin I; ANRS CO3 Aquitaine Cohort Study Group. Association of immune-activation and senescence markers with non-AIDS-defining comorbidities in HIV-suppressed patients. AIDS. 2015 Oct 23;29(16):2099-108. doi: 10.1097/QAD.0000000000000807.
- Wittkop L, Bitard J, Lazaro E, Neau D, Bonnet F, Mercie P, Dupon M, Hessamfar M, Ventura M, Malvy D, Dabis F, Pellegrin JL, Moreau JF, Thiebaut R, Pellegrin I; Groupe d'Epidemiologie Clinique du SIDA en Aquitaine. Effect of cytomegalovirus-induced immune response, self antigen-induced immune response, and microbial translocation on chronic immune activation in successfully treated HIV type 1-infected patients: the ANRS CO3 Aquitaine Cohort. J Infect Dis. 2013 Feb 15;207(4):622-7. doi: 10.1093/infdis/jis732. Epub 2012 Nov 29.
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
- RNA-virusinfektioner
- Virussygdomme
- Infektioner
- Blodbårne infektioner
- Overførbare sygdomme
- Seksuelt overførte sygdomme, virale
- Seksuelt overførte sygdomme
- Lentivirus infektioner
- Retroviridae infektioner
- Immunologiske mangelsyndromer
- Sygdomme i immunsystemet
- Langsomme virussygdomme
- HIV-infektioner
- Erhvervet immundefektsyndrom
Andre undersøgelses-id-numre
- CHUBX 2016/14
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