# The Effect of a Probiotic on Upper Respiratory Tract Infections

> **NCT03636191** · NA · COMPLETED · sponsor: **Chr Hansen** · enrollment: 619 (actual)

## Conditions studied

- Infections, Upper Respiratory Tract

## Interventions

- **DIETARY_SUPPLEMENT:** Probiotic strain
- **DIETARY_SUPPLEMENT:** Placebo

## Key facts

- **NCT ID:** NCT03636191
- **Lead sponsor:** Chr Hansen
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-09-01
- **Primary completion:** 2019-04-13
- **Final completion:** 2019-08-30
- **Target enrollment:** 619 (ACTUAL)
- **Last updated:** 2020-07-10

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03636191

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03636191, "The Effect of a Probiotic on Upper Respiratory Tract Infections". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT03636191. Licensed CC0.

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