Clinical Research Directory

Human Papillomavirus Infection and Related Anal Lesions in HIV-positive Men Who Have Sex With Men

Multicentric epidemiological non-comparative study in France characterising evolution of anal Human papillomavirus (HPV) infection and related lesions and evaluating markers associated with the observed evolution. Estimated enrolment: 500 Principal Outcomes * Detection of high-grade cytological and histological anal lesions by high resolution anoscopy * Spontaneous regression of high-grade anal lesions * Detection of anal HPV infection Intervention (procedure): * Patient medical interview (initial inclusion visit, Month 12 and Month 24 follow-up visits and if applicable Month 6 and Month 18 control visits) * Standard proctologic examination with digital rectal examination and 2 anal swabs (initial inclusion visit, Month 12 and Month 24 follow-up visits and if applicable Month 6 and Month 18 control visits) * High resolution anoscopy (initial inclusion visit, Month 12 and Month 24 follow-up visits and if applicable Month 6 and Month 18 control visits) Only if lesion suggestive of Anal Intraepithelial Neoplasia (AIN) detected during High Resolution Anoscopy (HRA): \- anal biopsy(ies) during HRA Only if high-grade lesion: \- HRA biannually

Early Lung Cancer Diagnosis in HIV Infected Population With an Important Smoking History With Low Dose CT: a Pilot Study

Early Lung Cancer diagnosis in a HIV-infected population with an important smoking history with low-dose CT: a pilot study: the HIV-CHEST study Objectives The main objective of this study is to evaluate the prevalence of lung cancers detected by low-dose computed tomography (CT) in a HIV-infected population with an important smoking history. Other objectives are (1) the evaluation of the types of lung cancers in this population, as well as (2) the staging of non small cell lung cancers, (3) the description of risk factors for all lung cancers, if they are numerous enough, and (4) the number of complications of diagnosis procedures during the study.

X-linked Biological Response to HIV Sensing: the ANRS EP 53 Study

Short title : X-linked biological response to HIV sensing: the ANRS EP 53 study. Main outcome : To demonstrate that HIV-infected women carry the TLR7 c.32A\>T SNP at a higher frequency than uninfected women, arguing in favor of a role of impaired production of IFN-alpha by pDCs in the risk of becoming infected by HIV-1. Secondary outcome : To directly demonstrate at a single cell level that the TLR7 c.32A\>T SNP is responsible for a reduce production of IFN-alpha by pDCs after activation of TLR7 by HIV-1 RNA. Short abstract (public dissemination) : Male and female display some differences in how their immune system responds to pathogens. This could be related to hormonal or genetic factors located on the X chromosome. This project aims at characterizing X-linked factors that can influence the innate immune response to HIV-1.

Descriptive Analysis of Changes in Hepatitis B Markers in People Living With HIV on Injectable Therapy.

In order to assess the risk of hepatitis B reactivation in people living with HIV and undergoing injection therapy, we propose to carry out a descriptive analysis of the evolution of hepatitis B markers in this population.