CClinicalTrials.gg
CompletedNCT01908465Updated Feb 8, 2023

Peripheral Histamine 1 Receptor Blockade in IBS: Multicenter Trial

A Phase 4 interventional study of Ebastine and Placebo in Irritable Bowel Syndrome (IBS), sponsored by KU Leuven. Completed at 12 sites in 2 countries. Open to participants aged 18 Years to 65 Years. Per ClinicalTrials.gov, last updated 2023-02-08.

Sponsored by KU Leuven · Phase 4, Interventional, and Treatment

Phase
Phase 4
Study type
Interventional
Enrollment
200
Allocation
Randomized
Ages
18 Years to 65 Years
Sex
All
01

Study summary

Purpose:

To evaluate the efficiency of Irritable Bowel Syndrome (IBS) patients treatment with the H1-receptor antagonist ebastine.

Design:

Double blind randomized placebo controlled trial. IBS patients receive a 12-weeks treatment with ebastine 20mg once daily or placebo (1:1 randomization).

02

Conditions studied

  • Irritable Bowel Syndrome (IBS)
03

In context

Irritable Bowel Syndrome

1,062 studies on the registry are indexed under Irritable Bowel Syndrome; 190 are open to participants now.

This study's enrollment of 200 is above the median of 71 across 853 interventional studies indexed under Irritable Bowel Syndrome.

Browse Irritable Bowel Syndrome studies →

Lead sponsor

KU Leuven is the lead sponsor of 358 studies on the registry; 62 are open to participants now.

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

04

Who can participate

Ages eligible
18 Years to 65 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Irritable Bowel Syndrome (IBS) (ROME III criteria): subtype with diarrhea or mixed form
  • age 18-65 years

Exclusion criteria

Exclusion Criteria:

  • IBS subtype with constipation
  • medication: antidepressants or H1-receptor antagonists
  • pregnancy, breast feeding
  • co-morbidity: severe kidney- and/or liver disease or other gastrointestinal diseases
05

Study design

Phase
Phase 4
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Quadruple (Participant, Care provider, Investigator, Outcomes assessor)
Enrollment
200 participants (actual)

Study arms

  • Active comparator
    Ebastine

    Ebastine

    Drug: Ebastine

  • Placebo comparator
    placebo

    Placebo

    Drug: Placebo

Interventions

  • DrugEbastine
  • DrugPlacebo
06

What researchers measure

Primary outcomes

  1. Effect of treatment on global symptom relief (of IBS complaints)

    By mean of weekly GSRS (Gastrointestinal Symptom Rating Scale )questionnaires and weekly "SGA (Subject's Global Assessment) of relief" and "SGA of Abdominal Pain and Discomfort" questionnaires

    Time frame: after 12 weeks treatment

Secondary outcomes

  1. Effect of treatment on stool consistency and frequency and other common IBS associated complaints (flatulence, urgency,...)

    By mean of weekly questionnaires

    Time frame: fter 12 weeks treatment

Other outcomes

  1. Effect of treatment on quality of life

    By mean of 'Quality of life" questionnaire (completed at the end (after 14 weeks) and the start of the study and after 8 and 12 weeks of treatment)

    Time frame: after 12 weeks treatment

  2. Effect of treatment on inflammatory mediators/metabolites in urine

    By metabolic profiling in urine samples before and after treatment

    Time frame: after 12 weeks

07

Study locations

12 sites
  • UZ Antwerpen
    Edegem, Antwerpen 2650, Belgium
  • ZOL (Ziekenhuis Oost-Limburg)
    Genk, Limburg 3600, Belgium
  • UZ Gent
    Gent, Oost-Vlaanderen 9000, Belgium
  • AZ Sint-Elizabeth Zottegem
    Zottegem, Oost-Vlaanderen 9620, Belgium
  • UZ Leuven
    Leuven, Vlaams-Brabant 3000, Belgium
  • AZ Sint-Lucas Brugge
    Brugge, West-Vlaanderen 8310, Belgium
  • Rijnstate
    Arnhem, Gelderland 6800, Netherlands
  • Medisch Spectrum Twente
    Enschede, Limburg 7500, Netherlands
  • AZ Maastricht
    Maastricht, Limburg 6202, Netherlands
  • Sint Lucas Andreas Ziekenhuis
    Amsterdam, Noord-Holland 1061, Netherlands
  • Academisch Medisch Centrum
    Amsterdam, Noord-Holland 1105, Netherlands
  • Tergooiziekenuizen Blaricum/Hilversum
    Blaricum, Noord-Holland 1213/1261, Netherlands
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Feb 8, 2023, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT01908465
Lead sponsor
KU Leuven
Responsible party
Guy Boeckxstaens (Prof. Dr., KU Leuven) — Principal investigator
First posted
Jul 25, 2013
Start date
Nov 2013
Primary completion
Nov 2, 2022
Completion
Nov 2, 2022
Last update
Feb 8, 2023

Study contacts

Guy Boeckxstaens, M.D.
principal investigator · Catholic University Leuven and Universitary Hospitals Leuven

Oversight

Data monitoring committee
Yes
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Feb 2023. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion