Blood type clues to asthma Flare-Ups?

NCT ID NCT00201266

First seen Jun 27, 2026 ยท Last updated Jun 27, 2026

Summary

This study looked at whether a person's blood group antigens are linked to asthma attacks. Researchers followed 126 people with asthma to see if certain blood types had more flare-ups requiring steroids. The goal was to understand, not treat, the disease.

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Conditions

The condition(s) this trial relates to.

asthma lung disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • University of California, San Francisco

    San Francisco, California, 94143, United States