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Effects of Docosahexanoic Acid on Neurocognitive Impairment in HIV-infected Patients

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Fudan University

Status and phase

Unknown
Phase 2
Phase 1

Conditions

Neurocognitive Impairment

Treatments

Dietary Supplement: Soy oil capsules
Drug: Docosahexaenoic acid (DHA) capsules

Study type

Interventional

Funder types

Other

Identifiers

NCT04242004
IRB#2019-06-0759

Details and patient eligibility

About

Neurocognitive impairment (NCI) is one of the serious complications of elderly HIV-infected patients. The destruction of intestinal mucosal barrier and imbalance of bacterial flora caused by aging and HIV infection may be an important factor promoting the occurrence of NCI. Therefore, it is important to understand changes in gut microbiota of HIV-infected patients with NCI. Higher dietary intake of the essential fatty acid docosahexaenoic (DHA) has been associated with better cognitive performance in several epidemiological studies. To date, data are limited showing that DHA administration leads to benefits for behavioral disorders by modulating gut microbiota composition; the few studies on this subject, mostly completed in animal models. Moreover,low levels of DHA have been found in HIV-infected patients. The effect of DHA supplementation on gut microbiota and NCI status of HIV-positive patients have not been evaluated yet. Investigators aim to implement a case-control study to identify the relationship between gut microbiota and NCI in HIV-infected patients. At the meantime, investigators aim to implement a randomized, double-blind, placebo-controlled clinical trial to assess DHA supplementation in HIV-infected patients with NCI for 16 weeks. The effect of DHA on gut microbiota and NCI were evaluated. Also, investigators aim to identify if the benefits for NCI of DHA caused by modulating gut microbiota composition and metabolites.

Enrollment

88 patients

Sex

All

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Male and female patients
  • Age ≥18 years
  • Established diagnosis of HIV-1 infection, under stable cART for the prior 6 months and throughout the study period
  • Presence of neurocognitive impairment was assessed using the global deficit score (GDS), calculated as the average of deficit scores across all neuropsychological test. The cut-off for NCI was a GDS score ≥ 0.5

Exclusion criteria

  • Age <18 years,
  • BMI >30 kg/m2
  • Pregnancy or lactation
  • A history of diabetes mellitus, cardiovascular and cerebrovascular diseases, or serious diseases such as liver, kidney and hematopoietic system disease
  • Known intolerance to n-3 PUFA preparations.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

88 participants in 2 patient groups, including a placebo group

DHA group
Experimental group
Treatment:
Drug: Docosahexaenoic acid (DHA) capsules
placebo group
Placebo Comparator group
Treatment:
Dietary Supplement: Soy oil capsules

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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