# Use of COLD-fX to Prevent Respiratory Infections in Community Dwelling Seniors

> **NCT00240461** · PHASE3 · COMPLETED · sponsor: **Capital Health, Canada** · enrollment: 780 (actual)

## Conditions studied

- Respiratory Tract Infection

## Interventions

- **DIETARY_SUPPLEMENT:** COLD-fX natural health product
- **DIETARY_SUPPLEMENT:** COLD-fX
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT00240461
- **Lead sponsor:** Capital Health, Canada
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2005-09
- **Primary completion:** 2008-05
- **Final completion:** 2008-12
- **Target enrollment:** 780 (ACTUAL)
- **Last updated:** 2011-07-07

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00240461

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00240461, "Use of COLD-fX to Prevent Respiratory Infections in Community Dwelling Seniors". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT00240461. Licensed CC0.

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