Gastroesophageal Reflux Clinical Trial
Official title:
High Resolution Manometry After Partial Fundoplication for Gastro-oesophageal Reflux: Does the Ineffective Preoperative Oesophageal Motility Change Postoperatively?
Verified date | April 2024 |
Source | Spital Limmattal Schlieren |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This is a combined retro- and prospective, monocentric study. All patients who underwent or are planned for laparoscopic partial fundoplication (180° anterior or 270° posterior) between 2020-2023 are assessed for preoperative ineffective esophageal motility (IEM). The main hypothesis is, that preoperative oesophageal motility disorders, especially hypo-contractility or failed peristalsis, are caused by gastro-oesophageal reflux. Therefore, postoperative manometry after partial wrap fundoplication (270° posterior, 180° anterior) shows a decrease in comparison to preoperative motility disorders. The primary objective of this study is to examine the postoperative esophageal motility in patients with known preoperative motility disorders. Secondary endpoints are the presence of other oesophageal motility disorders pre- vs. postoperatively (including new onset disorders), the assessment of the Gastrointestinal Symptom Rating Scale (GSRS) pre- vs. postoperatively, and more. If IEM is present preoperatively, patients are contacted at least 1 year after surgery and will be informed about the study and asked to participate. In case of agreement, they are invited to the study site. They undergo high-resolution manometry 18-24 months postoperatively (study intervention).
Status | Recruiting |
Enrollment | 40 |
Est. completion date | December 31, 2025 |
Est. primary completion date | December 31, 2025 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Age older than 18 years - Ineffective esophageal motility disorder according the Chicago classification (7), defined as = 7/10 (70%) of swallows with weak contraction (distal contraction interval (DCI) between 100mmHg/s/cm and less than 450 mmHg/s/cm) or = 5/10 (50%) of swallows with failed peristalsis (DCI <100mgHg/s/cm)Performance of partial fundoplication (180° anterior or 270° posterior) at Spital Limmattal - Informed Consent as documented by signature Exclusion Criteria: - Age under 18 years - Pregnancy - Normal preoperative esophageal motility - Other specifically defined esophageal motility disorders such as Nutcracker or Jackhammer esophagus - Preoperative presence of a hiatal hernia with migration of >20% of stomach in the chest - Revisional surgery (after other procedures for reflux or at the hiatus) |
Country | Name | City | State |
---|---|---|---|
Switzerland | Spital Limmattal | Schlieren | ZH |
Lead Sponsor | Collaborator |
---|---|
Prof Urs Zingg |
Switzerland,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Incidence of persistent postoperative IEM | The primary endpoint is the incidence of persistent postoperative ineffective motility according to the Chicago classification, defined as = 7/10 (70%) of swallows with weak contraction (distal contraction interval (DCI) between 100mmHg/s/cm and less than 450 mmHg/s/cm) or = 5/10 (50%) of swallows with failed peristalsis (DCI <100mgHg/s/cm), measured in a high-resolution manometry with multiple swallows in patients having undergone laparoscopic partial-wrap 270° posterior or 180° anterior fundoplication. | 1-2 years postoperatively | |
Secondary | Presence of other oesophageal motility disorders | Presence of other oesophageal motility disorders pre- vs. postoperatively (including new onset disorders) measured in a high-resolution manometry with multiple swallows in patients having undergone laparoscopic partial-wrap 270° posterior or 180° anterior fundoplication. | 1-2 years postoperatively | |
Secondary | GSRS | Gastrointestinal Symptom Rating Scale (GSRS) pre- vs. postoperatively. The GSRS is a disease-specific instrument of 15 items combined into five symptom clusters depicting Reflux, Abdominal pain, Indigestion, Diarrhoea and Constipation. The GSRS has a seven-point graded Likert-type scale where 1 represents absence of troublesome symptoms and 7 represents very troublesome symptoms. | 1-2 years postoperatively |
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