Clinical trial

National Validation and Sensitivity to Change of the SAQ

NCT04031261

StatusCOMPLETED

Study typeOBSERVATIONAL

Start date2019-04-10

PhaseN/A

Study timeline

Study start (actual)2019-04-10Date precision: day

Registry last updated2021-01-06

Observed by CureCurrent2026-10-07

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

Conditions

Asthmaunresolved

Severe Asthmaunresolved

Interventions

Sponsors & collaborators

University Hospital Plymouth NHS Trustlead sponsor

University of Plymouthcollaborator

Mapped research locations

LondonUnited Kingdom1 ManchesterUnited Kingdom1 BirminghamUnited Kingdom1

Registry source

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

Open NCT04031261 on ClinicalTrials.gov ↗

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