# Evaluation of Probiotics on Symptoms of Upper Respiratory Tract Infections

> **NCT00599430** · NA · COMPLETED · sponsor: **Danisco** · enrollment: 326 (actual)

## Conditions studied

- Healthy

## Interventions

- **DIETARY_SUPPLEMENT:** Placebo
- **DIETARY_SUPPLEMENT:** Lactobacillus acidophilus NCFM
- **DIETARY_SUPPLEMENT:** Combination of Lactobacillus acidophilus and Bifidobacterium lactis

## Key facts

- **NCT ID:** NCT00599430
- **Lead sponsor:** Danisco
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2005-11
- **Primary completion:** 2006-05
- **Final completion:** 2006-05
- **Target enrollment:** 326 (ACTUAL)
- **Last updated:** 2008-01-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00599430

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00599430, "Evaluation of Probiotics on Symptoms of Upper Respiratory Tract Infections". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT00599430. Licensed CC0.

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