Who is sponsoring NCT03803319?

NCT03803319 is sponsored by King's College London.

What drugs are being tested in NCT03803319?

Interventions in NCT03803319: Fibre 1 (combined fibres), Fibre 2 (natural fibres), Dietary Supplement: placebo.

What condition does NCT03803319 study?

NCT03803319 studies Irritable Bowel Syndrome.

Is NCT03803319 still recruiting?

NCT03803319 is currently completed. Last updated 6 February 2020.

Last reviewed 2020-02-06 · How we verify

NCT03803319

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

Effects of Dietary Fibre in Irritable Bowel Syndrome (IBS)

Completed NA Last updated 6 February 2020

What this trial tests

NA trial testing Fibre 1 (combined fibres) in Irritable Bowel Syndrome in 135 participants. Completed in 11 January 2020.

Timeline

2 January 2019

Primary endpoint
11 January 2020

11 January 2020

Quick facts

Lead sponsor	King's College London
Phase	NA
Status	Completed
Study type	INTERVENTIONAL
Allocation	randomized
Design	parallel
Masking	double
Primary purpose	treatment
Enrollment	135
Start date	2 January 2019
Primary completion	11 January 2020
Estimated completion	11 January 2020
Sites	1 location across United Kingdom

Drugs / interventions tested

Fibre 1 (combined fibres)
Fibre 2 (natural fibres)
Dietary Supplement: placebo

Conditions studied

Irritable Bowel Syndrome — all drugs for Irritable Bowel Syndrome →

Sponsor

King's College London

Who can join

Adults 18 to 65, any sex, with Irritable Bowel Syndrome. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

The aim of the study is to investigate how different dietary fibre combinations affects physiological and microbiological outcomes, in addition to symptoms in those with IBS. The study will also explore the differences in responses between different fibres in different sub-types of IBS (e.g. constipation-predominant, diarrhoea-predominant and mixed).

Publications & conference data

1 peer-reviewed publication reference this trial (live from Europe PMC):

Fecal Microbial Composition and Predicted Functional Profile in Irritable Bowel Syndrome Differ between Subtypes and Geographical Locations.
Garcia-Mazcorro JF, Amieva-Balmori M, Triana-Romero A, Wilson B, et al · · 2023 · cited 5× · PMID 37894151 · DOI 10.3390/microorganisms11102493

Verify or expand the search:

Other recruiting trials for Irritable Bowel Syndrome

Currently open trials in the same condition.

NCT07235228 — Effects of Vivatlac Synbiotic on Gut Micribiota of IBS Patients · NA · recruiting
NCT07421011 — Pharmacokinetics, Bioequivalence, and Safety Study of Trimedat® 76,95 mg Orally Disintegrating Tablets and Trimedat® 100 · Phase 1 · recruiting
NCT07360938 — Drug Interaction Potential of Pro-Inflammatory Conditions · recruiting
NCT06788444 — Efficacy of Esketamine for Patients With Irritable Bowel Syndrome · NA · recruiting
NCT07484412 — Efficacy and Safety of Encapsulated Bifidobacterium Longum BBH016 in Subjects With Lower Gastrointestinal Symptoms · NA · active not recruiting

Other King's College London trials

Trials by the same sponsor.

NCT07357064 — Professional Decision Making in Childbirth. · not yet recruiting
NCT07341087 — Skin Inflammation in Perimenopause: A Probiotic Intervention Proof of Concept Trial · NA · recruiting
NCT07228962 — Cutaneous Biomarkers in Atopic Eczema Using a Non-Invasive Micro-Suction Device in Babies · not yet recruiting
NCT07365722 — Comparison of Two Non-surgical Procedure to Manage Gum Disease Around Implants. · NA · not yet recruiting
NCT07378488 — Dance/Movement Therapy for Functional Neurological Disorder · NA · recruiting

Verify against primary sources

ClinicalTrials.gov — authoritative US registry record
WHO ICTRP — international registry index
EU Clinical Trials Register
Sponsor press releases (Google)

Data sources for this page

Trial protocol + status: ClinicalTrials.gov NCT03803319 (US National Library of Medicine, public domain)
Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor: as reported to ClinicalTrials.gov by King's College London
Last refreshed: 6 February 2020

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT03803319.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing