Clinical trials: Cold
Respiratory Illness, Asthma
Housing, Insulation and Health Study
In six communities we will seek out households where someone who has a history of respiratory problems. For the first winter we will measure temperature and humidity of the house and health of occupants.
- Trial name
- HIHS (NCT00437541)
- Testing
- Insulation retrofitted into house
- Where
- 8 sites in New Zealand
- Volunteers
- 4,000 people
- Sponsor
- University of Otago
Common Cold, Gastroenteritis
Echinacea, Propolis and Vitamin C for URI Prevention in Preschoolers
We hypothesize the herbal preparation will enhance the preschoolers' immune response and when taken prophylactically for 12 weeks will decrease episodes of upper respiratory infections and gastroenteritis in the active versus the…
- Trial name
- NCT00231218
- Testing
- dietary supplement--echinacea, propolis, and vitamin c
- Where
- United States
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
Common Cold
A Trial of Echinacea in Children
This is a randomized trial to determine if echinacea is effective in shortening the length and/or lessening the severity of colds in children 2 through 11 years old.
- Trial name
- NCT00029211
- Testing
- Echinacea
- Where
- United States
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- National Center for Complementary and Integrative Health (NCCIH)
Common Cold
Evaluation of Echinacea for the Common Cold
The purpose of this study is to determine whether three Echinacea preparations with different chemical compositions are effective for prevention or treatment of the common cold.
- Trial name
- NCT00032500
- Testing
- Echinacea
- Where
- United States
- Sponsor
- National Center for Complementary and Integrative Health (NCCIH)