Asthma drug shows promise for lost smell after head trauma
NCT ID NCT07171021
First seen Jun 26, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This study tested whether theophylline, an asthma drug, could help people who lost their sense of smell after a head injury. 158 patients who had not improved with standard treatments took theophylline or a placebo, plus did smell training for 6 months. The goal was to see if their ability to identify and detect odors improved.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- theophylline
- What this could lead to
- If it works, this could point toward a treatment for smell loss after head injury.
- What could go wrong
- This is a small, completed Phase 4 trial. The results may not apply to everyone, and theophylline can cause side effects like nausea or heart issues.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for TRAUMATIC ANOSMIA are added.
By submitting, you agree to our Terms of use
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Taichung Veterans General Hospital
Taichung, 40705, Taiwan