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Inflammation and Co-Infections in D²EFT

2019-12-09 00:56:34 | BioPortfolio

Summary

i2-D²EFT substudy is an observational cohort nested within the parent D²EFT study (NCT03017872). D²EFT goal is to compare the standard of care second-line antiretroviral therapy in people living with HIV whose first-line non nucleoside reverse transcriptase-based regimen failed, to two simpler regimens. Approximately 1,000 participants will be enrolled in D²EFT.

Commencing a second-line ART is an important moment when the level of inflammation in participants may be elevated due to first-line ART failure; this level of inflammation should then decrease with the commencement of a new second-line treatment and would be expected to normalise by 48 weeks of second-line treatment, if successful.

The investigators propose to study other factors which can influence the decrease of inflammation. The investigators hypothesise that co-infections may play a role in persistent inflammation. The key-infections of interest will be common frequent infections encounter throughout the world: Human Herpes virus 8, Epstein-Barr virus, Cytomegalovirus and Human papillomavirus, tuberculosis, malaria and other key opportunistic infections. Possible changes of level of inflammation (using the serum level of Interleukin 6) in approximately 200 participants of the D²EFT study will be investigated and measured. The hypothesis is that the presence of other infections than HIV may influence the level of inflammation in participants in therapeutic success.

Description

i2-D²EFT substudy an observational cohort nested within the parent open label phase III/IV randomised controlled trial of simplified second-line therapy, D²EFT (NCT03017872). Participants consenting to D²EFT study will be randomised within the three arms: either ritonavir-boosted darunavir plus two nucleosides or dolutegravir plus two predetermined nucleosides (tenofovir disoproxil fumarate plus lamivudine or emtricitabine) or ritonavir-boosted darunavir plus dolutegravir. Enrolment into the i2-D²EFT substudy is voluntary and optional for participants in D²EFT. Parameters relevant to i2-D²EFT substudy including demographics, arm of randomised ART, HIV history, physical examination, immunological and virological results, episodes of co-infections and adverse events due to any infection or malignancies at required time points will be collected as part of D²EFT study. Substudy specific assessments performed at baseline and at weeks 48 include sample collection for IL-6 dosage plus EBV/CMV/HHV8 testing, and optional anal/cervical HPV screening.

Study Design

Conditions

HIV-infection/Aids

Intervention

NRTIs, Darunavir, Ritonavir, Dolutegravir

Status

Not yet recruiting

Source

Kirby Institute

Results (where available)

View Results

Links

Published on BioPortfolio: 2019-12-09T00:56:34-0500

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Medical and Biotech [MESH] Definitions

An HIV PROTEASE INHIBITOR that is used in the treatment of AIDS and HIV INFECTIONS. Due to the emergence of ANTIVIRAL DRUG RESISTANCE when used alone, it is administered in combination with other ANTI-HIV AGENTS.

A prodromal phase of infection with the human immunodeficiency virus (HIV). Laboratory criteria separating AIDS-related complex (ARC) from AIDS include elevated or hyperactive B-cell humoral immune responses, compared to depressed or normal antibody reactivity in AIDS; follicular or mixed hyperplasia in ARC lymph nodes, leading to lymphocyte degeneration and depletion more typical of AIDS; evolving succession of histopathological lesions such as localization of Kaposi's sarcoma, signaling the transition to the full-blown AIDS.

Agents used to treat AIDS and/or stop the spread of the HIV infection. These do not include drugs used to treat symptoms or opportunistic infections associated with AIDS.

A nontuberculous infection when occurring in humans. It is characterized by pulmonary disease, lymphadenitis in children, and systemic disease in AIDS patients. Mycobacterium avium-intracellulare infection of birds and swine results in tuberculosis.

B-cell lymphoid tumors that occur in association with AIDS. Patients often present with an advanced stage of disease and highly malignant subtypes including BURKITT LYMPHOMA; IMMUNOBLASTIC LARGE-CELL LYMPHOMA; PRIMARY EFFUSION LYMPHOMA; and DIFFUSE, LARGE B-CELL, LYMPHOMA. The tumors are often disseminated in unusual extranodal sites and chromosomal abnormalities are frequently present. It is likely that polyclonal B-cell lymphoproliferation in AIDS is a complex result of EBV infection, HIV antigenic stimulation, and T-cell-dependent HIV activation.

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