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Extended Follow-Up of the ISS T-003 Trial Volunteers (ISS T-003 EF-UP2020) — T003EFUP2020  

HIV Infections Clinical Trial

Official title:
A Roll-Over Observational Study for the Extended Follow-Up of the Volunteers of the ISS T-003 Trial (ISS T-003 EF-UP2020)

Clinical Trial Summary

A further extension of the follow-up of the volunteers of the ISS T-003 trial is being conducted in order to evaluate the persistence of vaccine immunogenicity as well as of the immunological and virological effects induced by the therapeutic immunization with Tat after about 10 years from vaccination.

Clinical Trial Description

The volunteers enrolled in the South African ISS T-003 trial (ClinicalTrials.gov NCT01513135; SANCTR: DOH-27-0211-3351) were recently enrolled in an observational study to extend the follow-up of the trial. The results of this study (ISS T-003 EF-UP, ClinicalTrials.gov NCT02712489; SANCTR: DOH-27-0615-4948) indicate the maintenance of anti-Tat Ab in a vast proposition of vaccinees. The new roll-over observational study (ISS T-003 EF-UP2020; SANCTR: DOH-27-072022-7347) is to be conducted to further extend the follow-up of the participants of the ISS T-003 trial in order to evaluate the persistence of vaccine immunogenicity as well as of the immunological and virological effects induced by the therapeutic immunization with Tat after about 10 years from vaccination. To this aim volunteers of the ISS T-003 study are included in a new 6-months study, with visits at weeks 0 and 24, during which the persistence and levels of anti-Tat antibodies (primary endpoint) and the CD4+ T-cell and HIV-1 plasma viraemia levels (secondary endpoint) will be evaluated. In addition, depending on the availability of residual specimens (PBMC, serum and plasma), further laboratory tests will be performed to investigate in-depth the immunological and virological profile of the volunteers. Clinical signs and symptoms of disease progression and AIDS-defining events will also be recorded. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05680948
Study type Observational
Source Istituto Superiore di Sanità
Contact Barbara BE Ensoli, MD
Phone +39064990
Email barbara.ensoli@iss.it
Status Recruiting
Phase
Start date January 25, 2023
Completion date June 2024
View Details
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