Effect of B. Longum 1714™ on Sleep Quality
A Randomised, Double-blinded, Placebo-controlled, Parallel-group, Pilot Study to Assess the Effectiveness of the B. Longum 1714™ Strain on Subjective and Objective Sleep Quality in Healthy Men and Women
1 other identifier
interventional
89
1 country
1
Brief Summary
The aim of this study is to evaluate the effect of supplementation with the B. longum 1714™ strain on subjective and objective sleep quality in healthy participants.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2
Started Jan 2020
Shorter than P25 for phase_2
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
November 15, 2019
CompletedFirst Posted
Study publicly available on registry
November 18, 2019
CompletedStudy Start
First participant enrolled
January 6, 2020
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 3, 2020
CompletedStudy Completion
Last participant's last visit for all outcomes
June 23, 2020
CompletedJune 30, 2020
June 1, 2020
3 months
November 15, 2019
June 29, 2020
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Change in subjective sleep quality, assessed by Pittsburgh Sleep Quality Index global score
Minimum score is 0, maximum score is 21. Higher scores indicate worse sleep quality.
Change from baseline, assessed at 4 and 8 weeks of supplement intake
Secondary Outcomes (7)
Change in objective sleep quality, specifically sleep latency
Change from baseline, assessed at 4 and 8 weeks of supplement intake
Change in objective sleep quality, specifically sleep efficiency
Change from baseline, assessed at 4 and 8 weeks of supplement intake
Change in objective sleep quality, specifically wake episodes
Change from baseline, assessed at 4 and 8 weeks of supplement intake
Change in objective sleep quality, specifically wake time after sleep onset (WASO)
Change from baseline, assessed at 4 and 8 weeks of supplement intake
Change in subjectively reported sleep quality, sleep latency, and sleep efficiency
Change from baseline, assessed at 4 and 8 weeks of supplement intake
- +2 more secondary outcomes
Study Arms (2)
Probiotic capsule
EXPERIMENTALThe participants consume one probiotic capsule a day for 8 weeks
Placebo capsule
PLACEBO COMPARATORThe participants consume one placebo capsule a day for 8 weeks
Interventions
Each probiotic capsule contains 1 x 10\^9 CFU B. longum 1714™ with corn starch and magnesium stearate. The probiotic capsules will be supplied by PrecisionBiotics Ltd.
Each placebo capsule contains corn starch and magnesium stearate. The placebo capsules will be supplied by PrecisionBiotics Ltd.
Eligibility Criteria
You may qualify if:
- Provide written informed consent
- Age: 18 to 45 years of age
- BMI \< 29.9 kg/m2
- Be willing to refrain from taking any dietary supplements or other fermented foods that contain live bacteria during the study
- Be willing to refrain from taking any medications or preparations to improve sleep (herbal, dietary supplements, homeopathic preparations, etc.) during the study
- If using products that contain nicotine or caffeine, agrees to continue current usage levels throughout the length of the study
- Agrees not to undertake air travel exceeding two time zones during the period of the study
- PSQI score of 5 and above
- HADS-A and HADS-D score of 14 and below
- ISI score below 11
- Be willing to maintain stable dietary habits and physical activity levels throughout the study period
- Be able to communicate well with the Investigator, to understand and comply with the requirements of the study and be judged suitable for the study in the opinion of the Investigator
You may not qualify if:
- Less than 18 or older than 45 years of age at the time of consent
- Use of dietary supplements or other fermented foods that contain live bacteria
- Participant who has been on antibiotics during the past 3 months
- Participant with a malignant disease or any concomitant end-state organ disease and/or laboratory abnormalities considered by Investigators to be risky or that could interfere with data collection
- Participant who has a significant acute or chronic coexisting illness \[cardiovascular, history of co-existing gastrointestinal, and/or gynaecological, and/or urologic pathology (e.g. colon cancer, colitis, Crohn's, celiac, IBS, endometriosis, prostate cancer) or lactose intolerance
- Participant with inflammatory disorders (e.g. chronic fatigue syndrome, psoriasis, rheumatoid arthritis or any other inflammatory arthropathies)
- Psychiatric diagnosis other than anxiety or depression
- Participant who is severely immunocompromised (HIV positive, transplant patient, on antirejection medications, on a steroid for \>30 days, or chemotherapy or radiotherapy within the last year)
- Participants who are on anxiolytics, anti-depressants, antipsychotics, anticonvulsants, centrally acting corticosteroids, opioid pain relievers, hypnotics, and/or prescribed sleep medication/ herbals (e.g. valerian)
- Combined SF36 score of greater than +2 SD from the mean
- Participants with a history of drug and /or alcohol abuse at the time of enrolment
- Pregnant or lactating female, or pregnancy planned during study period
- Participants who have undertaken air travel involving transit across two or more time zones in the month previous to the study
- Participants who are shift workers
- Participants with sleep disorders diagnosed by a physician such as sleep apnoea;
- +4 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- PrecisionBiotics Group Ltd.lead
- Nottingham Trent Universitycollaborator
- Atlantia Food Clinical Trialscollaborator
Study Sites (1)
Atlantia Food Clinical Trials Ltd.
Cork, Ireland
Related Publications (1)
Patterson E, Tan HTT, Groeger D, Andrews M, Buckley M, Murphy EF, Groeger JA. Bifidobacterium longum 1714 improves sleep quality and aspects of well-being in healthy adults: a randomized, double-blind, placebo-controlled clinical trial. Sci Rep. 2024 Feb 14;14(1):3725. doi: 10.1038/s41598-024-53810-w.
PMID: 38355674DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Eileen Murphy, PhD
PrecisionBiotics Group Ltd.
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
November 15, 2019
First Posted
November 18, 2019
Study Start
January 6, 2020
Primary Completion
April 3, 2020
Study Completion
June 23, 2020
Last Updated
June 30, 2020
Record last verified: 2020-06
Data Sharing
- IPD Sharing
- Will not share