An observational study in Hiatal Hernia Large, Gastro Esophageal Reflux and Hiatal Hernia, sponsored by Foregut Research Foundation. Terminated at 6 sites in United States. Open to participants aged 21 Years and older. Per ClinicalTrials.gov, last updated 2026-02-09.
Sponsored by Foregut Research Foundation · Observational
The cohort registry is both retrospective and prospective, multicenter surveillance of subjects who underwent a prior hiatal hernia repair and Magnetic Sphincter Augmentation or fundoplication construction more than 2 years prior to initial study visit.
The cohort registry is both retrospective and prospective, multicenter surveillance of subjects who underwent a prior hiatal hernia repair and anti-reflux surgery with either Magnetic Sphincter Augmentation (MSA) using LINX placement or fundoplication construction more than 2 years prior to initial study visit. Subjects will be enrolled by invitation only by participating investigators. Enrollment will consist of 300 LINX MSA patients and 150 fundoplication patients with a total of 450 from 4 sites within the United States. Data will be collected for up to 6 years.The primary objective of this study is to determine the long-term incidence of hiatal hernia recurrence in patients who undergo hiatal hernia repair of a large (>3 cm) hernia with LINX® device placement, and to compare this with hiatal hernia recurrence rates in patients who underwent hiatal hernia repair with fundoplication.
1,211 studies on the registry are indexed under Gastroesophageal Reflux; 202 are open to participants now.
This study's enrollment of 336 is above the median of 178 across 348 observational studies indexed under Gastroesophageal Reflux.
Browse Gastroesophageal Reflux studies →Foregut Research Foundation is the lead sponsor of 2 studies on the registry; 1 is open to participants now.
Counted across the registry records on this site, refreshed daily.
This clinical evaluation will be conducted at four U.S. investigational centers with up to one hundred and fifty(150) subjects per center (goal of 450 total). Corhort 1 will consist of 300 subjects who were implanted with the LINX® Reflux Management System in the manner described above more than 2 years prior to enrollment to this study. Cohort 2 will consist of 150 subjects who underwent a fundoplication more that 2 years prior to enrollment into this study with similar hiatal hernia size and similar effective esophageal motility.
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Exclusion Criteria:
Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
A drug or device being studied in a clinical trial.
It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.
The study doctor’s estimate of how long someone is likely to live. Criteria use it so that people can stay in the study long enough for it to answer its question.
Informed consent
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Investigational drug or device
A drug or device being studied in a clinical trial.
It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Life expectancy
The study doctor’s estimate of how long someone is likely to live. Criteria use it so that people can stay in the study long enough for it to answer its question.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Patients who were previously implanted with the LINX device during repair of a hiatal hernia \>3 cm \>2 years prior will be asked to complete a quality of life questionnaire at about 3 years and 5 years post procedure. Each participant will complete a barium swallow at 3 and 5 years to determine recurrence of hiatal hernia.
Device: LINX Reflux Management System
Patients who previously underwent lower esophageal sphincter reconstruction by fundoplication during repair of a hiatal hernia \>3 cm \>2 years prior will be asked to complete a quality of life questionnaire at about 3 years and 5 years post procedure. Each participant will complete a barium swallow at about 3 and 5 years to determine recurrence of hiatal hernia.
Procedure: Fundoplication
The LINX Reflux Management System consists of a series of titanium beads each with a magnetic core connected with independent titanium wires to form an annular shape when implanted. The attractive force of the magnetic beads is designed to provide additional strength to keep a weak lower esophageal sphincter (LES) closed. During swallowing, the magnetic beads slide away from each other on the independent titanium wire "links" to allow esophageal distention as the bolus passes by.
Also known as: Magnetic Augmentation System, Magnetic Sphincter Augmentation Device, MSAD, Magnetic Sphincter Augmentation, MSA
A surgical procedure where the fundus of the stomach is wrapped around and sutured to the distal esophagus to restore the function of the lower esophageal sphincter in limiting stomach contents from refluxing into the esophagus.
Also known as: Nissen fundoplication, Partial fundoplication, Toupet fundoplication, Watson fundoplication, Dor fundoplication
Incidence of Hiatal Hernia Recurrence
The primary objective of this study is to determine the long-term incidence of hiatal hernia recurrence in patients who undergo primary hiatal hernia repair of a large (\>3 cm) hernia with LINX® device placement, and to compare this with hiatal hernia recurrence rates in patients who undergo hiatal hernia repair with fundoplication.
Time frame: Up to 5 years post index procedure
Incidence of Repeat Surgical Intervention
A secondary objectives are to determine the incidence of repeat surgical intervention with recurrent hernias in patients who received a LINX verses fundoplication.
Time frame: 5 years
Understanding Patient Reported Symptom Control
A secondary objective is to understand patient-reported symptom control including PPI use, occurrence rate of gas and bloating, and ability to belch and vomit as measured by comparison of pre- and post-operative satisfaction and ROARS Questionnaire (GERD-Health related quality of life \[HRQL\]) surveys during multiple follow-up time points.
Time frame: 5 years
This study is terminated, as verified in Feb 2026. You cannot join it, but the record below documents what was studied.
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Foregut Research Foundation