Clinical trial

NHALES (Natural History of Asthma With Longitudinal Environmental Sampling)

NCT02327897

StatusRECRUITING
Study typeOBSERVATIONAL
Start date2015-09-10
PhaseN/A

Study timeline

Study start (actual)2015-09-10Date precision: day
Registry last updated2026-09-01
Observed by CureCurrent2026-10-07

Recorded dates are source observations, not predictions. Missing milestones are not estimated.

Interventions

Registry-derived research relationships: ClinicalTrials.gov. Raw condition and intervention labels remain distinct from canonical MONDO/RxNorm entities unless separately normalized.