ClinicalTrials.gg
Status unknownNCT02087345Updated Mar 30, 2021

Gastro-oesophageal Reflux in Oligosymptomatic Patients With Dental Erosion

An observational study in Dental Erosion and Gastroesophageal Reflux, sponsored by Brain-Gut Research Group. Status unknown at 1 site in Switzerland. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2021-03-30.

Sponsored by Brain-Gut Research Group · Observational

The sponsor has not verified this record recently (last verified Mar 2021), so the status shown — last known as Recruiting — may be out of date.
Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
500
Ages
18 Years and older
Sex
All
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Study summary

Dental erosions, the chemical dissolution of enamel without bacterial involvement, are considered to be an established complication of gastroesophageal reflux disease (GERD) by the Montreal global consensus statement. Given the high prevalence of dental erosions and the absence of any pH-impedance data or medical management guidelines for GERD-associated dental erosions, reflux characteristics will be characterized using questionnaires, endoscopy and esophageal pH-impedance testing, in successive patients dental erosions referred by dentists for evaluation of GERD. For assessment of the role of additional factors besides H+ activity in the refluxate, a sample of gastric juice will be aspirated during endoscopy and frozen for analysis of pepsin and other proteases. Prognostic factors for progression of dental erosions will be determined by repeating the evaluation after chronic dosing with esomeprazole 20mg twice-daily, which is prescribed to all patients.

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Conditions studied

  • Dental Erosion
  • Gastroesophageal Reflux
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In context

Tooth Erosion

47 studies on the registry are indexed under Tooth Erosion; 7 are open to participants now.

This study's planned enrollment of 500 is above the median of 100 across 13 observational studies indexed under Tooth Erosion.

Browse Tooth Erosion studies →

Lead sponsor

Brain-Gut Research Group is the lead sponsor of 7 studies on the registry; none are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Probability sample

Study population

Successive male and female patients with dental erosions

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Successive male and female patients
  • Over 18 years of age presenting to the University of Bern Department of Dentistry and affiliated dentists
  • Dental erosions

Exclusion criteria

Exclusion criteria:

  • Non-reflux causes of erosion
  • Reduced salivary flow and buffering capacity
  • History of bruxism, eating disorders, recurrent vomiting, severe obesity (>35kg/m2) or past bariatric surgery
  • Dietary or abrasive causes for dental erosion
Terms in these criteria, in plain language(1)

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.

BMI (body mass index)

Weight in kilograms divided by height in metres squared. Example: 70 kg and 1.75 m gives 70 ÷ (1.75 × 1.75) ≈ 22.9.

What counts as overweight or obesity differs between countries (some use lower cut-offs), so go by the range the study states.

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Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
500 participants (estimated)
Patient registry
No
Biospecimen retention
None retained

Groups and cohorts

  • Dental erosions
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What researchers measure

Primary outcomes

  1. The % of time with pH<4 and 5.5 during 24-hour pH-impedance

    Time frame: 1 year

Secondary outcomes

  1. The number of acidic and weakly acidic reflux episodes during 24-hour pH-impedance

    Time frame: 1 year

Other outcomes

  1. Association between dental erosion grades, gastric juice pepsin conc. and reflux episodes and % time with pH<4 and <5.5 during 24-hour pH-impedance

    the % of reflux episodes reaching 15cm above the lower esophageal sphincter, concentration of pepsin and the tooth wear (BEWE) score: multivariate analysis with forward and backward elimination model to assess the best predicting variables.

    Time frame: 1 year

07

Study locations

1 of 1 sites recruiting
  • Gastroenterology Group Practice
    Bern, Switzerland
    Recruiting
    • Clive Wilder-Smith, MD · Contactinfo@ggp.ch · +41313123737
    • Clive Wilder-Smith, MD · Principal investigator
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References and documents

Publications

  • Wilder-Smith CH, Materna A, Martig L, Lussi A. Longitudinal study of gastroesophageal reflux and erosive tooth wear. BMC Gastroenterol. 2017 Oct 25;17(1):113. doi: 10.1186/s12876-017-0670-1. PubMed 29070010 ↗

Individual participant data

Plan to share: No

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Mar 30, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT02087345
Lead sponsor
Brain-Gut Research Group
Responsible party
Sponsor
First posted
Mar 14, 2014
Start date
Dec 15, 2018
Primary completion
Dec 2022 (estimated)
Completion
Jun 2023 (estimated)
Last update
Mar 30, 2021

Study contacts

Clive Wilder-Smith, MD
Contact
info@ggp.ch
+41313123737
Clive Wilder-Smith, MD
principal investigator · Brain-Gut Reserach Group

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in Mar 2021. You cannot join it, but the record below documents what was studied.

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