A New Nasopharyngeal pH Probe for Diagnosis of Laryngopharyngeal Reflux

NCT01308502 · clinicaltrials.gov ↗

PHASE4

Phase

WITHDRAWN

Status

OTHER

Sponsor class

Stopped Difficulty recruiting patients due to logistics

Conditions

Laryngopharyngeal Reflux

Interventions

DEVICE: Dx-pH probe

Sponsor

Children's Hospital of Philadelphia