Clinical trial

Histoblood Group Antigens as a Risk Factor of Asthma

NCT00201266

StatusCOMPLETED

Study typeOBSERVATIONAL

Start date2005-07-01

PhaseN/A

Study timeline

Study start (unknown)2005-07-01Date precision: month

Registry last updated2026-03-09

Observed by CureCurrent2026-10-07

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

Conditions

Asthmaunresolved

Lung Diseasesunresolved

Interventions

ScreeningPROCEDURE

Sponsors & collaborators

University of California, San Franciscolead sponsor

National Heart, Lung, and Blood Institute (NHLBI)collaborator

Mapped research locations

San FranciscoCalifornia, United States1

Registry source

Open the source record to verify current eligibility, contacts, locations and registry updates.

Open NCT00201266 on ClinicalTrials.gov ↗

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