- ICH GCP
- Registre américain des essais cliniques
- Essai clinique NCT02674867
CLEAC (Comparison of Late Versus Early Antiretroviral Therapy in HIV-infected Children) (CLEAC)
ANRS EP59 CLEAC : Physiopathological Study of Immunovirological Evolution of Perinatally HIV-1 Infected Children Depending on Early (Before 6 Months) or Late (After 2 Years) Antiretroviral Therapy Introduction.
The study aims to define and compare the immunological characteristics (lymphocyte subpopulations, specific immunity against HIV, lymphocyte activation, inflammatory parameters) and the virological characteristics (study of viral reservoir) between 2 groups of vertically-HIV-1-infected children, between 5 and 17-year-of-age, who started cART before 6 months-of-age ("early treatment" group) or after 24 months-of-age ("late treatment" group) with an initial virologic success (HIV-1 RNA <400 copies / mL reached no later than 24 months after the start of cART), whatever the later evolution of the viremia.
Moreover, the viral reservoir will be deeply characterized in 10 children (5 patients in each group) with sustained control of the HIV-1 viremia under cART (≥ 90% of HIV-1 RNA measures <400 copies /mL): quantification of the reservoir in the lymphocyte subpopulations and study of the inductibility of the viral reservoir.
Aperçu de l'étude
Description détaillée
This is a cross-sectional study, multicenter, without direct benefit, among vertically HIV-1 infected children, aged 5 to 17 years, followed in centers participating in the ANRS CO10 EPF cohort located in Ile-de-France. Eligible children are not necessarily included in the cohort. The sample will consist of two age groups of equal size (5-12 years and 13-17 years).
Patient recruitment will be conducted in the centers of the ANRS CO10 EPF cohort located in Ile de France (Paris area). 80 children will be included, previously included or not in the ANRS CO10 EPF cohort. Our investigations will involve two blood samples, taken during two successive visits of the children in the hospitals where they are usually followed. Finally, a third blood sample will be taken during a third visit only for the 10 children participating in the substudy of the viral reservoir. All medical data since birth will be prospectively collected for children included in the ANRS CO10 EPF cohort, and retrospectively collected in the other cases.
Type d'étude
Inscription (Anticipé)
Phase
- N'est pas applicable
Contacts et emplacements
Lieux d'étude
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Bondy, France
- Hôpital Jean Verdier
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Colombes, France
- Hôpital Louis Mourier
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Créteil, France
- Centre Hospitalier Intercommunal
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Evry, France
- Centre hospitalier Francilien Sud
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Le Kremlin Bicêtre, France
- Hôpital Bicêtre
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Paris, France
- Hôpital Trousseau
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Paris, France
- Hopital Robert Debre
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Paris, France
- Groupe Hospitalier Necker
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Paris, France
- Groupe hospitalier Cochin Port Royal
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Saint Denis, France
- Centre Hospitalier Général- Hôpital Delafontaine
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Villeneuve Saint Georges, France
- Centre Hospitalier General
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Critères de participation
Critère d'éligibilité
Âges éligibles pour étudier
Accepte les volontaires sains
Sexes éligibles pour l'étude
La description
Inclusion Criteria:
- 5 to 17 years old
- Vertically HIV-1 infected, not HIV-2 co-infected
- Diagnosed < 13 years old
- Usually followed in a center participating in the ANRS CO10 EPF cohort located in Ile de France
Have received cART treatment:
- started later than 6 months-of-age ("early treatment" group) or after 24 months-of-age ("late treatment" group)
- with an initial virologic success (HIV-1 RNA <400 copies / mL reached no later than 24 months after the start of cART),
- Affiliated person or beneficiary of a social security system (Article L1121-11 of the Code of Public Health) (medical aid of state or AME is not a social security system)
- Participant agreement if in age to give an opinion
- Free, informed and written consent, signed by at least one parent and the investigator
Exclusion Criteria:
- < 5 years old or ≥ 18 years old at first sample for the study
- Obviously HIV-1 infected after the perinatal period
- HIV-2 co-infected
- Diagnosed ≥ 13 years old
- Started cART treatment between 7 and 23 months
- No HIV-1 RNA <400 copies / mL within 24 months after initiation of treatment (considered as a failure of the first line therapy)
- Not affiliated to the French social security, or beneficiary of a social security system
- Refusal to participation of parent(s) (or the holders(s) of parental authority)
- Refusal to participation if in age to give an opinion.
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: Science basique
- Répartition: Non randomisé
- Modèle interventionnel: Affectation à un seul groupe
- Masquage: Aucun (étiquette ouverte)
Armes et Interventions
Groupe de participants / Bras |
Intervention / Traitement |
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Expérimental: Early treatment group
Vertically-HIV-1-infected children, between 5 and 17-year-of-age, who started cART before 6 months-of-age ("early treatment" group) with an initial virologic success (HIV-1 RNA <400 copies / mL reached no later than 24 months after the start of cART), whatever the later evolution of the viremia.
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Autre: Late treatment group
Vertically-HIV-1-infected children, between 5 and 17-year-of-age, who started cART after 24 months-of-age ("late treatment" group) with an initial virologic success (HIV-1 RNA <400 copies / mL reached no later than 24 months after the start of cART), whatever the later evolution of the viremia.
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Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
---|---|---|
Immune status
Délai: Baseline
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The immune status will be defined by T lymphocyte subpopulations
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Baseline
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Virological status
Délai: Baseline
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Peripheral blood HIV DNA levels
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Baseline
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Immune status
Délai: 6 months after baseline
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The immune status will be defined by inflammatory parameters : cytokines and chemokines
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6 months after baseline
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Immune status
Délai: Baseline
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The immune status will be defined by HIV-specific T cell response
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Baseline
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Immune status
Délai: Baseline
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The immune status will be defined by lymphocyte activation (HLA-DR)
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Baseline
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Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
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Comparison of immune and virological statuses of early and late treatment groups
Délai: Baseline
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Two groups of vertically-HIV-1-infected children, between 5 and 18-year-of-age, will be compared: the "early treatment" group that comprises children who started HAART before 6 months-of-age, and the late treatment" group those who started HAART after 24 months-of-age.
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Baseline
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Viral reservoir : lymphocyte subpopulation
Délai: One year after baseline
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Total HIV- DNA will be quantified by ultrasensitive PCR in CD4 T cell subsets sorted according their differenciation status for 10 children (5 patients in each group) with sustained control of the HIV-1 viremia under HAART ( ≥ 90% of HIV-1 RNA measures <400 copies / ml).
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One year after baseline
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Viral reservoir : inductibility
Délai: One year after baseline
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Inductibility of the viral reservoir will be quantified by ultrasensitive HIV-RNA RT- PCR in supernatants after coculture of CD4 T cells.
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One year after baseline
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Collaborateurs et enquêteurs
Parrainer
Publications et liens utiles
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude
Achèvement primaire (Anticipé)
Achèvement de l'étude (Anticipé)
Dates d'inscription aux études
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première publication (Estimation)
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Plus d'information
Termes liés à cette étude
Termes MeSH pertinents supplémentaires
- Infections par virus à ARN
- Maladies virales
- Infections
- Infections transmissibles par le sang
- Maladies transmissibles
- Maladies sexuellement transmissibles, virales
- Maladies sexuellement transmissibles
- Infections à lentivirus
- Infections à rétroviridae
- Syndromes d'immunodéficience
- Maladies du système immunitaire
- Infections à VIH
Autres numéros d'identification d'étude
- ANRS EP 59 CLEAC
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