NCT05656729

Brief Summary

The study is a double-blind randomized clinical trial which aims to evaluate the efficacy of a multi strain probiotic in human adults in controlling and improving cold symptoms and inflammatory response

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
50

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Dec 2022

Geographic Reach
1 country

1 active site

Status
completed

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

December 5, 2022

Completed
14 days until next milestone

First Posted

Study publicly available on registry

December 19, 2022

Completed
3 days until next milestone

Study Start

First participant enrolled

December 22, 2022

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 30, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 30, 2024

Completed
Last Updated

December 6, 2024

Status Verified

April 1, 2024

Enrollment Period

1.6 years

First QC Date

December 5, 2022

Last Update Submit

December 3, 2024

Conditions

Keywords

coldcold symptomsprobiotics

Outcome Measures

Primary Outcomes (1)

  • Cold symptoms evaluation

    Cold symptoms will be evaluated before and after treatment through Common Cold Questionnaire(CCQ). Highest score: 27, Lowest 0. Higher scores indicate worst symptoms

    18 weeks

Secondary Outcomes (3)

  • Change of Wisconsin Upper Respiratory Symptoms Survey (WURSS-21)

    18 weeks

  • Change of Short Form Health Survey 36 (SF-36)

    18 weeks

  • Inflammatory status

    18 weeks

Study Arms (2)

Placebo

PLACEBO COMPARATOR

Placebo 8-week daily administration

Dietary Supplement: Placebo

Multistrain probiotic

ACTIVE COMPARATOR

Dietary Supplement: Multistrain Probiotic 12-week daily administration

Dietary Supplement: DefensePlus

Interventions

DefensePlusDIETARY_SUPPLEMENT

Multistrain probiotic:L. plantarum PBS077, L. acidophilus PBS066, B. lactis BL050, Maltodextrins, Vitamin B12, Vitamin, B6 Folic acid, Magnesium, silicon dioxide

Multistrain probiotic
PlaceboDIETARY_SUPPLEMENT

Maltodextrins, Vitamin B12, Vitamin, B6 Folic acid, Magnesium, silicon dioxide

Placebo

Eligibility Criteria

Age18 Years - 44 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • people who:
  • are willing and capable of joining the study
  • are willing of not varying their routine (lifestyle, physical activity..) during the study
  • are willing of not varying their diet during the study
  • are willing of using only the testing product during the study
  • are willing of not using products that may interfere with the testing product
  • have not recently joined similar studies
  • have signed informed consent

You may not qualify if:

  • subjects:
  • with suspected or confirmed sensibility to one or more product component
  • with chronic diseases (cardiovascular congenital diseases, hepatic diseases, renal disease, immunodeficiency)
  • undergoing antibiotic/pharmacological treatment
  • with other concomitant disease (infective, respiratory, gastrointestinal, immune)
  • who underwent an immunomodulating treatment in the past 4 weeks
  • who underwent an immunosuppressant therapy in the past 3 months
  • with severe disease ongoing
  • who abuse of alcohol and/or drugs
  • who are considered not eligible by the investigator
  • not able to communicate due to language barriers, mental issues or cerebral functioning impairment

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Azienda Ospedaliero Universitaria di Ferrara

Ferrara, Ferrara, 44124, Italy

Location

MeSH Terms

Conditions

Common Cold

Condition Hierarchy (Ancestors)

Respiratory Tract InfectionsInfectionsPicornaviridae InfectionsRNA Virus InfectionsVirus DiseasesRespiratory Tract Diseases

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

December 5, 2022

First Posted

December 19, 2022

Study Start

December 22, 2022

Primary Completion

July 30, 2024

Study Completion

July 30, 2024

Last Updated

December 6, 2024

Record last verified: 2024-04

Data Sharing

IPD Sharing
Will not share

Locations