Status:

RECRUITING

The Mechanism Versus PPI Trial

Lead Sponsor:

University of California, San Diego

Collaborating Sponsors:

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Conditions:

Laryngopharyngeal Reflux

Cough

Eligibility:

All Genders

18-89 years

Phase:

PHASE4

Brief Summary

The goal of this clinical trial is to learn if a mechanism guided strategy that utilizes a multidisciplinary approach to treat adults patients (age 18-89) with chronic throat symptoms who are undergoi...

Detailed Description

This research study is being conducted to compare the efficacy between usual care and a novel mechanism guided strategy for adults with chronic throat (laryngeal) symptoms undergoing evaluation for la...

Eligibility Criteria

Inclusion

  • 18-89 years of age
  • \>8 weeks of laryngeal symptoms (cough, throat clearing, dysphonia)
  • Standard evaluation for LPR, undergoing EGD (with endoscopic evaluation of the hypopharynx) and reflux monitoring off acid suppression
  • Off acid suppression therapy for at least 2 weeks prior to randomization.

Exclusion

  • PPI intolerance and/or known hypersensitivity to the formulation or substituted benzimidazoles
  • History of foregut surgery
  • Known diagnosis of achalasia
  • Inability to fast for 4 hours (no food or drink)
  • Active tobacco use
  • Pregnant or breastfeeding
  • Unable to consent in English or Spanish
  • Unable to provide consent without a legal guardian or representative
  • Imprisoned
  • Endoscopic findings conclusive with esophageal mucosal abnormalities
  • Unable to proceed with reflux monitoring
  • Use of acid suppression during the reflux monitoring and/or before the study medication (omeprazole or placebo) is dispensed
  • Prior LRT for reflux related symptoms
  • History of major psychiatric comorbidity
  • Unable to attend in person study visits at UCSD

Key Trial Info

Start Date :

June 4 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

July 1 2029

Estimated Enrollment :

160 Patients enrolled

Trial Details

Trial ID

NCT06999577

Start Date

June 4 2025

End Date

July 1 2029

Last Update

August 1 2025

Active Locations (1)

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University of California San Diego

San Deigo, California, United States, 92093