The Effect of a Probiotic on Upper Respiratory Tract Infections (PIP-U)
Primary Purpose
Infections, Upper Respiratory Tract
Status
Completed
Phase
Not Applicable
Locations
United Kingdom
Study Type
Interventional
Intervention
Probiotic strain
Placebo
Sponsored by
About this trial
This is an interventional prevention trial for Infections, Upper Respiratory Tract
Eligibility Criteria
Inclusion Criteria:
- 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
Exclusion Criteria:
- 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.
- 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
Sites / Locations
- CPS Research
Arms of the Study
Arm 1
Arm 2
Arm Type
Experimental
Placebo Comparator
Arm Label
Probiotic
Placebo
Arm Description
Outcomes
Primary Outcome Measures
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.
Secondary Outcome Measures
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.
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.
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.
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.
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.
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.
Full Information
NCT ID
NCT03636191
First Posted
August 16, 2018
Last Updated
July 9, 2020
Sponsor
Chr Hansen
Collaborators
Onorach Clinical, CPS Research
1. Study Identification
Unique Protocol Identification Number
NCT03636191
Brief Title
The Effect of a Probiotic on Upper Respiratory Tract Infections
Acronym
PIP-U
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.
Study Type
Interventional
2. Study Status
Record Verification Date
July 2020
Overall Recruitment Status
Completed
Study Start Date
September 1, 2018 (Actual)
Primary Completion Date
April 13, 2019 (Actual)
Study Completion Date
August 30, 2019 (Actual)
3. Sponsor/Collaborators
Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Chr Hansen
Collaborators
Onorach Clinical, CPS Research
4. Oversight
Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
5. Study Description
Brief 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.
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Infections, Upper Respiratory Tract
7. Study Design
Primary Purpose
Prevention
Study Phase
Not Applicable
Interventional Study Model
Parallel Assignment
Masking
ParticipantCare ProviderInvestigatorOutcomes Assessor
Allocation
Randomized
Enrollment
619 (Actual)
8. Arms, Groups, and Interventions
Arm Title
Probiotic
Arm Type
Experimental
Arm Title
Placebo
Arm Type
Placebo Comparator
Intervention Type
Dietary Supplement
Intervention Name(s)
Probiotic strain
Intervention Description
Lactobacillus
Intervention Type
Dietary Supplement
Intervention Name(s)
Placebo
Intervention Description
Placebo
Primary Outcome Measure Information:
Title
The incidence of URTI
Description
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.
Time Frame
16 weeks
Secondary Outcome Measure Information:
Title
The incidence of URTI with pathogens
Description
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.
Time Frame
16 weeks
Title
The Number of days with URTI symptoms
Description
The number of days with URTI symptoms for URTIs that were diagnosed by a GP, adjusted for sample size.
Time Frame
16 weeks
Title
The number of days with temperature ≥ 38 °C
Description
The number of days with temperature ≥ 38 °C during an URTI episode, which was diagnosed by a GP, adjusted for sample size.
Time Frame
16 weeks
Title
WURSS-K score
Description
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.
Time Frame
16 weeks
Title
The number of subjects with one or more episode of URTI
Description
The number of subjects with one or more episode of URTI, which was diagnosed by a GP, adjusted for sample size.
Time Frame
16 weeks
Title
The number of days of absence from daycare or primary school
Description
The number of days of absence from daycare or primary school during an URTI, which was diagnosed by a GP, adjusted for sample size.
Time Frame
16 weeks
10. Eligibility
Sex
All
Minimum Age & Unit of Time
2 Years
Maximum Age & Unit of Time
6 Years
Accepts Healthy Volunteers
Accepts Healthy Volunteers
Eligibility Criteria
Inclusion Criteria:
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
Exclusion Criteria:
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.
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
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Gordon Crawford, DRCOG
Organizational Affiliation
CPS Research
Official's Role
Principal Investigator
Facility Information:
Facility Name
CPS Research
City
Glasgow
Country
United Kingdom
12. IPD Sharing Statement
Citations:
PubMed Identifier
34895109
Citation
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.
Results Reference
derived
Learn more about this trial
The Effect of a Probiotic on Upper Respiratory Tract Infections
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