# Effectiveness of Local Application of Warm Air in Patients With Common Cold (HELI Study)

> **NCT00552981** · NA · COMPLETED · sponsor: **Charite University, Berlin, Germany** · enrollment: 157 (actual)

## Conditions studied

- Common Cold

## Interventions

- **PROCEDURE:** inhalation of warm air in a Finnish sauna
- **PROCEDURE:** inhalation of ambient air in a Finnish sauna

## Key facts

- **NCT ID:** NCT00552981
- **Lead sponsor:** Charite University, Berlin, Germany
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-11
- **Primary completion:** 2009-04
- **Final completion:** 2009-04
- **Target enrollment:** 157 (ACTUAL)
- **Last updated:** 2012-07-10

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00552981

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00552981, "Effectiveness of Local Application of Warm Air in Patients With Common Cold (HELI Study)". Retrieved via AI Analytics 2026-07-19 from https://api.ai-analytics.org/clinical/NCT00552981. Licensed CC0.

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