Who is sponsoring NCT05155696?

NCT05155696 is sponsored by St. Mary's University, Twickenham.

What drugs are being tested in NCT05155696?

Interventions in NCT05155696: Experimental: Kefir probiotic drink (supplied by Nourish), Placebo comparator.

Is NCT05155696 still recruiting?

NCT05155696 is currently completed. Last updated 28 September 2023.

Last reviewed 2023-09-28 · How we verify

NCT05155696

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

Probiotic Supplementation in Children With ADHD

Completed NA Last updated 28 September 2023

What this trial tests

NA trial testing Experimental: Kefir probiotic drink (supplied by Nourish) in ADHD in 81 participants. Completed in 26 September 2023.

Timeline

6 January 2022

Primary endpoint
26 September 2023

26 September 2023

Quick facts

Lead sponsor	St. Mary's University, Twickenham
Phase	NA
Status	Completed
Study type	INTERVENTIONAL
Allocation	randomized
Design	parallel
Masking	quadruple
Primary purpose	treatment
Enrollment	81
Start date	6 January 2022
Primary completion	26 September 2023
Estimated completion	26 September 2023
Sites	1 location across United Kingdom

Drugs / interventions tested

Experimental: Kefir probiotic drink (supplied by Nourish)
Placebo comparator

Conditions studied

ADHD — all drugs for ADHD →

Sponsor

St. Mary's University, Twickenham

Who can join

Adults 8 to 13, any sex, with ADHD. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

This randomised, placebo controlled trial explores the effects of supplementation with a probiotic drink (kefir) in children diagnosed with ADHD on behaviour, sleep, attention and the gut microbiome.

Publications & conference data

2 peer-reviewed publications reference this trial (live from Europe PMC):

Randomised controlled trial of the effects of kefir on behaviour, sleep and the microbiome in children with ADHD: a study protocol.
Lawrence K, Fibert P, Hobbs J, Myrissa K, et al · · 2023 · cited 3× · PMID 38149413 · DOI 10.1136/bmjopen-2022-071063
Effects of kefir on symptoms, sleep, and gut microbiota in children with ADHD: a randomised controlled trial.
Lawrence K, Fibert P, Toribio-Mateas M, Gregory AM, et al · · 2025 · PMID 41286799 · DOI 10.1186/s12888-025-07568-8

Verify or expand the search:

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Other St. Mary's University, Twickenham trials

Trials by the same sponsor.

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NCT07207096 — Observational Case Series of Patients With Parkinson's Disease (PD) Attending a Complementary Medicine Neuro-degenerativ · recruiting
NCT07129200 — The Effects of Caffeine on Exercise Physiology and Time-trial Performance in a Hot Environment · NA · not yet recruiting
NCT06935214 — The Repeatability of the Effect of Caffeine Supplementation on Submaximal Physiological Responses and Cycling Time Trial · NA · not yet 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 NCT05155696 (US National Library of Medicine, public domain)
Publications: Europe PMC API search by NCT ID, retrieved 9 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 St. Mary's University, Twickenham
Last refreshed: 28 September 2023

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/NCT05155696.

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