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Infections, Upper Respiratory TractPIP-UNCT03636191

The Effect of a Probiotic on Upper Respiratory Tract Infections

A study testing Probiotic strain in people with Infections, Upper Respiratory Tract, run by Chr Hansen at 1 site in United Kingdom.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This study is a randomized, double-blind, placebo-controlled, two-armed, parallel-group study in healthy children aged 2-6 years. The study will investigate the effect of daily intake of a probiotic on Upper Respiratory Tract Infections (URTI) during a 16-week intervention. Read more about this study

Who is it for?
Ages 2 to 6 yearsHealthy volunteers can take part
Conditions the study is for
Infections, Upper Respiratory Tract
What is being tested?
Probiotic strain
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
619 participants
Where
1 siteUnited Kingdom
Study dates
1 Sep 2018to 30 Aug 2019
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 2 to 6 years
  • All sexes
  • Healthy volunteers accepted
  • Child

Who may be able to join

  • Children aged 2-6 years, both inclusive, at the time of informed consent
  • No URTI at the time of inclusion as assessed by a GP
  • Attending day-care with at least 10 children or primary school with at least 10 children in the class for at least 20 hours a week
  • Generally healthy as determined by a GP
  • Guardian consents to participate in the study and to comply with all its procedures

Who cannot join

  • Any known concomitant chronic infections, chronic systemic diseases, autoimmune diseases (e.g. asthma), immunodeficiency, metabolic diseases, chronic respiratory tract diseases including respiratory allergies and cystic fibrosis, congenital cardiac defects.
  • Suspected or challenge-proved food allergy
  • Use of any prescribed immune suppressive medications at enrolment
  • Use of oral or IV antibiotics in the 1 month before randomisation
  • Not willing to exclude pre/pro/synbiotics during the study
  • Intake of Echinacea, high dose vitamins or Zinc four weeks before and during the study period.
Show all 9Show fewer
  • Language limitations regarding interviews or questionnaires
  • Participation in other clinical studies in the last 2 months
  • Planning extensive travel (for >1 month) during the duration of the study

Trial locations and contacts

1 site in 1 country.

United Kingdom1 site
  • CPS Research

    Glasgow

Other trials in United Kingdom

About this study

Official title: The Effect of Lactobacillus Rhamnosus (LGG®) on the Defence Against Pathogens in the Upper Respiratory Tract in Healthy Children - a Single-center, Randomized, Double-blind, Placebo-controlled Study With 16 Weeks Intervention.

This study is a randomized, double-blind, placebo-controlled, two-armed, parallel-group study in healthy children aged 2-6 years. The study will investigate the effect of daily intake of a probiotic on Upper Respiratory Tract Infections (URTI) during a 16-week intervention.

Being tested
Probiotic strain, Placebo
Medical subject headings
Respiratory Tract Infections

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Probiotic strainDietary supplement

    Lactobacillus

  • PlaceboDietary supplement

    Placebo

Study groups in NCT03636191
Study groupRoleWhat they receive
ProbioticExperimentalNot described
Receives: Dietary Supplement: Probiotic strain
PlaceboPlacebo comparatorNot described
Receives: Dietary Supplement: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. The incidence of URTI

    The incidence of URTI measured as the number of URTI episodes diagnosed by a GP according to the prespecified, well-defined criteria, adjusted for sample size.

    Measured: 16 weeks

Secondary outcomes (6)
  1. The incidence of URTI with pathogens

    The incidence of URTI measured as the number of URTI episodes diagnosed by a GP according to the prespecified, well-defined criteria, for which a pathogen is identified in nasal swabs, adjusted for sample size.

    Measured: 16 weeks

  2. The Number of days with URTI symptoms

    The number of days with URTI symptoms for URTIs that were diagnosed by a GP, adjusted for sample size.

    Measured: 16 weeks

  3. The number of days with temperature ≥ 38 °C

    The number of days with temperature ≥ 38 °C during an URTI episode, which was diagnosed by a GP, adjusted for sample size.

    Measured: 16 weeks

  4. WURSS-K score

    The Area under Curve for daily Wisconsin Upper Respiratory Symptom Survey for Kids (WURSS-K) score (range: not sick - very sick) during an URTI episode, which was diagnosed by a GP, adjusted for sample size.

    Measured: 16 weeks

  5. The number of subjects with one or more episode of URTI

    The number of subjects with one or more episode of URTI, which was diagnosed by a GP, adjusted for sample size.

    Measured: 16 weeks

  6. The number of days of absence from daycare or primary school

    The number of days of absence from daycare or primary school during an URTI, which was diagnosed by a GP, adjusted for sample size.

    Measured: 16 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted17 Aug 2018
  2. Study start1 Sep 2018
  3. Primary completion13 Apr 2019
  4. Study completion30 Aug 2019

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
619 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03636191
Sponsor's protocol ID
HND-IM-030
Acronym
PIP-U
Status last verified
Jul 2020
First submitted
16 Aug 2018
Last updated
10 Jul 2020
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • Damholt A, Keller MK, Baranowski K, Brown B, Wichmann A, Melsaether C, Eskesen D, Westphal V, Arltoft D, Habicht A, Gao Q, Crawford G. Lacticaseibacillus rhamnosus GG DSM 33156 effects on pathogen defence in the upper respiratory tract: a randomised, double-blind, placebo-controlled paediatric trial. Benef Microbes. 2022 Feb 28;13(1):13-23. doi: 10.3920/BM2021.0065. Epub 2021 Dec 13.

    PubMed 34895109

Questions about this trial

What is this clinical trial studying?

A study testing Probiotic strain in people with Infections, Upper Respiratory Tract, run by Chr Hansen at 1 site in United Kingdom.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 9 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 10 Jul 2020. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United Kingdom. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

The incidence of URTI (time frame: 16 weeks). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03636191, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 10 Jul 2020.

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