400 asthma patients tracked for 5 years to uncover environmental triggers

NCT ID NCT02327897

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

Summary

This study follows 400 adults aged 18–60 with moderate-to-severe asthma for up to 5 years. Researchers collect blood, urine, stool, dust, saliva, and lung samples at regular visits to see how bacteria and other environmental factors affect asthma symptoms and flare-ups. The goal is to gather data for future research, not to test a new treatment.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

asthma Disease Progression

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • NIEHS Clinical Research Unit (CRU)

    RECRUITING

    Research Triangle Park, North Carolina, 27709, United States