Status:

COMPLETED

Neuro-immune Interactions and PPI

Lead Sponsor:

Universitaire Ziekenhuizen KU Leuven

Conditions:

Functional Dyspepsia

Eligibility:

All Genders

18-64 years

Phase:

PHASE4

Brief Summary

Prospective interventional study on duodenal neuro-immune interactions in healthy volunteers and functional dyspepsia patients and the effects of PPI

Detailed Description

Duodenal low-grade inflammation is frequently reported in functional dyspepsia (FD), while also neuronal and structural changes in duodenal submucosal ganglia have been described in FD patients. Proto...

Eligibility Criteria

Inclusion

  • Patients with FD diagnosis as per Rome IV criteria (EPS or PDS).
  • Normal investigation including upper GI endoscopy.
  • Patients have confirmed duodenal mucosal eosinophilia.
  • Patients witnessed written informed consent.
  • Patients aged between 18 and 64 years inclusive.
  • Male or female (not pregnant or lactating and using contraception or postmenopausal).
  • Subjects are capable to understand the study and the questionnaires, and to comply with the study requirements.

Exclusion

  • Patients with any condition which, in the opinion of the investigator, makes the patient unsuitable for entry into the study.
  • Patients with any major psychiatric disorders (stable dose of single antidepressant allowed for psychiatric indication, no limitation for other indications).
  • Patients presenting with predominant symptoms of irritable bowel syndrome (IBS) or of gastro-esophageal reflux disease (GERD).
  • Patients with personal or family (first-degree relative) of diabetes mellitus, celiac disease, inflammatory bowel disease, psoriasis, lupus, scleroderma, rheumatic or other systemic auto-immune disease.
  • Patients with eosinophilic esophagitis or eosinophilic gastroenteritis.
  • Active H. pylori infection (or \<6 months after eradication).
  • Allergy or atopy, including therapy.
  • Organic gastro-intestinal disease or history of gastrointestinal surgery other than appendectomy or splenectomy.
  • Known impaired liver or kidney dysfunction, or coagulation disorders.
  • Known HIV, HBV or HCV infection, including therapy.
  • Active coronary or peripheral artery disease.
  • Use of anti-inflammatory drugs or anti-allergy drugs \<2 weeks before sampling.
  • Use of immunosuppressants, antibiotics or acid-suppressive drugs \<3 months before sampling.
  • Use of prokinetics \<2 weeks before sampling (unless if ≤3/week).
  • Significant alcohol use (\>10 units/week).
  • Any use of alcohol or smoking \<2 days before sampling.
  • Active malignancy, including therapy.
  • Females who are pregnant or lactating.
  • Patients not capable to understand or be compliant with the study.

Key Trial Info

Start Date :

March 31 2021

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

September 23 2024

Estimated Enrollment :

60 Patients enrolled

Trial Details

Trial ID

NCT04713969

Start Date

March 31 2021

End Date

September 23 2024

Last Update

January 28 2025

Active Locations (1)

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1

KU Leuven

Leuven, Belgie, Belgium, 3000