Impact of Probiotics in HIV-positive Patients With Neurocognitive

Status Recruiting

Clinical Trial Summary

The prevalence of HIV-associated neurocognitive disorders (Human Immunodeficiency Virus) remains high during the era of effective triple therapy. The main clinical phenotypes of cognitive impairment are currently represented by asymptomatic neurocognitive neurocognitive impairment (ANI) and mild neurocognitive disorders (MND). In contrast, HIV-associated dementia has almost disappeared. Among the hypotheses to explain the persistence of such a high prevalence is the persistent activation of the immune system despite virological success. This chronic immune activation is believed to be responsible for an inflammatory response and therefore for accelerated cell aging. Several organ complications in HIV-positive patients have been associated with high markers of immune activation. Among the causes of chronic immune activation in virologically controlled patients, an imbalance in the intestinal flora is suspected. In fact, shortly after HIV infection, the virus causes significant apoptosis of intestinal lymphocytes, responsible for a loss of integrity of the intestinal barrier and an imbalance of flora, defined as "dysbiosis". Loss of epithelial integrity and intestinal dysbiosis are suspected of causing systemic passage of bacterial fragments, of which lypopolisaccharide is best known, resulting in chronic activation of the immune system. Several studies suggest a link between digestive bacterial translocation and HIV-related neurocognitive disorders. An improvement in intestinal dysbiosis could therefore contribute to reducing immune activation and the severity of cognitive impairment. A recent study showed that probiotics can reduce levels of neopterin, a marker of monocytic activation, in the cerebrospinal fluid of HIV-positive patients without neurological symptoms. Our objective is to evaluate the impact of probiotic supplementation on immune activation and cognitive performance in virologically controlled HIV-positive patients with a diagnosis of ANI or MND. The potential improvement of cognition through probiotic treatment could therefore improve their quality of life at a lower cost than a drug and without the risk of serious side effects.

Clinical Trial Description

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Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04175223
Study type	Interventional
Source	Centre Hospitalier Universitaire de Nice
Contact	Chrisine LEBRUN FRENAY, PUPH
Phone	33492038754
Email	lebrun-frenay.c@chu-nice.fr
Status	Recruiting
Phase	N/A
Start date	September 19, 2019
Completion date	April 15, 2022

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Impact of Probiotics in HIV-positive Patients With Neurocognitive Disorders — PROCOG

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms