# Effect of Lactobacillus on the Microbiome of Household Contacts Exposed to COVID-19

> **NCT04399252** · NA · COMPLETED · sponsor: **Duke University** · enrollment: 182 (actual)

## Conditions studied

- Microbiome

## Interventions

- **DIETARY_SUPPLEMENT:** Lactobacillus rhamnosus GG
- **DIETARY_SUPPLEMENT:** Lactobacillus rhamnosus GG Placebo

## Key facts

- **NCT ID:** NCT04399252
- **Lead sponsor:** Duke University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-06-24
- **Primary completion:** 2021-07-08
- **Final completion:** 2021-07-08
- **Target enrollment:** 182 (ACTUAL)
- **Last updated:** 2024-04-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04399252

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04399252, "Effect of Lactobacillus on the Microbiome of Household Contacts Exposed to COVID-19". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04399252. Licensed CC0.

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