A Study to Evaluate Voice-enabled Artificial Intelligence to Diagnose Gastroesophageal Reflux Disease


About this study

The purpose of this study is to determine if an artificial intelligence (AI) program can efficiently determine whether patients have gastro-esophageal reflux disease (GERD) via voice recordings and AI training.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Patients over the age of 18 years.
  • Ability to provide written, informed consent.

Exclusion Criteria:

  • Known history of voice disorder or surgery that may alter voice characteristics.
  • Smoking or vaping use currently or within the last 3 months.
  • Chronic obstructive pulmonary disease.
  • Prior esophageal or gastric surgical resection.
  • PPI use within the last 8 weeks.
  • Inability to speak (any cause).
  • Upper respiratory tract infection, influenza, sinusitis, pharyngitis, tonsillitis, laryngitis or tracheitis within the last week.
  • Pulmonary conditions including, bronchiectasis, pulmonary embolism (within last 3 months), idiopathic pulmonary fibrosis, interstitial lung disease, COPD exacerbation, asthma attack, pneumothorax, pleural effusion and/or respiratory failure.
  • Recent chest trauma (last 30 days) resulting in rib fractures, sternum fracture.
  • Respiratory conditions due to inhalation of chemicals, gases, fumes and vapors.
  • Left-sided heart failure exacerbation.
  • Intoxication, hepatic encephalopathy, delirium, coma, drowsiness.

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Cadman Leggett, M.D.

Open for enrollment

Contact information:

Bryan Linn

(507) 255-4631


More information


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