Pharmacogenetic Testing in Children With Persistent Gastroesophageal Reflux Disease


  • Study type

  • Study IDs

  • Describes the nature of a clinical study. Types include:

    • Observational study — observes people and measures outcomes without affecting results.
    • Interventional study (clinical trial) — studies new tests, treatments, drugs, surgical procedures or devices.
    • Medical records research — uses historical information collected from medical records of large groups of people to study how diseases progress and which treatments and surgeries work best.
  • Site IRB
    • Rochester, Minnesota: 16-007265
    NCT ID: NCT03005080
    Sponsor Protocol Number: 16-007265

About this study

This study will use a 22 gene pharmacogenomics panel on 30 children with persistent Gastroesophageal Reflux Disease (GERD) who have not responded to therapy.

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. If you need assistance understanding the eligibility criteria, please contact the study team.

See eligibility criteria

Inclusion Criteria:

  • Persistent gastrointestinal symptoms (GI) suggestive of gastro esophageal reflux disease (GERD) despite adequate therapy
  • Persistent evidence of abnormal reflux indices' and acid exposure on esophageal multichannel pH impedance study despite adequate therapy
  • Persistent endoscopic evidence of reflux esophageal disease despite adequate therapy

Exclusion Criteria:

  • Children with eosinophilic esophagitis diagnosis
  • Children with any esophageal surgical intervention like fundoplication, tracheoespahgeal fistula repair or esophageal atresia repair
  • Children with other diseases that can affect the esophagus, like Crohn's disease or food protein-induced enterocolitis syndrome (F-PIES)
  • Children who do not have research authorization in their chart

Participating Mayo Clinic locations

Study statuses change often. Please contact us for help.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Imad Absah, M.D.

Open for enrollment

Contact information:

Center for Individualized Medicine