Characterization of Placebo Responses in Stable Asthma
| Status: | Completed |
|---|---|
| Conditions: | Asthma |
| Therapuetic Areas: | Pulmonary / Respiratory Diseases |
| Healthy: | No |
| Age Range: | 18 - 80 |
| Updated: | 3/31/2017 |
| Start Date: | January 2005 |
| End Date: | January 2009 |
The investigators hypothesize that different placebos will have different effects on
subjective and objective asthma outcomes compared with actual therapy and natural history. .
Subjects with asthma are randomly treated with placebo inhaler, placebo acupuncture,
albuterol inhaler, or "no treatment" in random order, on three different occasions each. At
each of the 12 visits, spirometry is performed repeatedly over 2 hours. Maximum FEV1
achieved and an 11-point, self-reported scale of improvement are examined.
subjective and objective asthma outcomes compared with actual therapy and natural history. .
Subjects with asthma are randomly treated with placebo inhaler, placebo acupuncture,
albuterol inhaler, or "no treatment" in random order, on three different occasions each. At
each of the 12 visits, spirometry is performed repeatedly over 2 hours. Maximum FEV1
achieved and an 11-point, self-reported scale of improvement are examined.
Inclusion Criteria:
- uncontrolled asthma
Exclusion Criteria:
- no bronchodilator response
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