A Study to Find the Long-Term Outcomes of Patients with Hyper-Contraction and Obstruction Problems of the Esophagus


About this study

The purpose of this study is to find the long-term outcomes of patients with hyper-contraction of the esophagus and outflow obstruction of the gastroesophageal junction by reviewing high resolution manometric tracings.

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. Please contact the study team to discuss whether or not you are eligible to participate in a study.

Inclusion Criteria

  • Adults ages 18 to 90 who underwent clinically indicated High Resolution Manometry study
  • Patients with gastroesophageal junction outflow obstruction, hypercontractile esophagus, or normal studies on HRM


Exclusion Criteria

  • Patients with technically inadequate HRM studies

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

Rochester, Minn.

Mayo Clinic principal investigator

Karthik Ravi, M.D.

Closed for enrollment

More information


Publications are currently not available

Study Results Summary

Not yet available

Supplemental Study Information

Not yet available


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