# Modification of the COVID-19 Vaccine Response by an Intervention on the Intestinal Flora

> **NCT05195151** · NA · COMPLETED · sponsor: **Université de Sherbrooke** · enrollment: 592 (actual)

## Conditions studied

- COVID-19
- Vaccine Reaction
- Elderly

## Interventions

- **DIETARY_SUPPLEMENT:** Taking capsule containing probiotics or placebo

## Key facts

- **NCT ID:** NCT05195151
- **Lead sponsor:** Université de Sherbrooke
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2022-11-10
- **Primary completion:** 2024-07-17
- **Final completion:** 2024-07-17
- **Target enrollment:** 592 (ACTUAL)
- **Last updated:** 2025-01-15

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05195151

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05195151, "Modification of the COVID-19 Vaccine Response by an Intervention on the Intestinal Flora". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT05195151. Licensed CC0.

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