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Probiotics in Prevention of Common Cold

Not Applicable
Completed
Conditions
Viral Infections of the Upper Respiratory Tract
Registration Number
NCT02013934
Lead Sponsor
Probi AB
Brief Summary

The objective of this study is to assess the benefit and tolerability of a probiotic product in subjects with increased susceptibility to common cold.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
899
Inclusion Criteria
  • males and females
  • age 18-70 years
  • increased risk for common cold (at least 4 episodes within 12 months)
  • commitment to adhere to former diet and physical activity
  • commitment not to use any products that may influence the study outcome (e.g. immune suppressants/immune stimulants, including paramedication such as e.g. Echinacea, analgesics/anti-rheumatics, anti-phlogistics, antitussives/expectorants, influenza remedies, mouth or throat therapeutics, decongestants, antibiotics, anti-histaminergic drugs, probiotics) during the study (except for rescue medication, see 7.5)
  • women of child-bearing potential have to agree to use appropriate birth control methods Written consent of the subject to participate is a prerequisite for study participation.
Exclusion Criteria
  • acute / chronic upper / lower airways disease
  • chronic cough of any origin
  • any allergic reaction that may influence the study outcome (e.g. acute/chronic rhinitis)
  • history of nasal reconstructive surgery
  • presence of nasal ulcers or nasal polyps
  • severe nasal septum deviation or other condition that could cause nasal obstruction
  • congenital or acquired immunodeficiency disease (e.g. HIV infection)
  • Bechterew's disease
  • body temperature above 37.5°C
  • suspected swine flu or influenza
  • vaccination with a vaccine containing an adjuvant within 3 months prior to study start and during the study
  • vaccination with a vaccine not containing an adjuvant within 6 weeks prior to study start and during the study
  • stomach/gastrointestinal diseases
  • serious organ or systemic diseases
  • sleep disorder
  • psychiatric disorders
  • known sensitivity to the ingredients of the investigational product
  • regular intake of products that may influence the study outcome (e.g. immune suppressants/immune stimulants, including paramedication such as e.g. Echinacea, analgesics/anti-rheumatics, anti-phlogistics, antitussives/expectorants, influenza remedies, mouth or throat therapeutics, decongestants, antibiotics, anti-histaminergic drugs, probiotics) within the last 4 weeks prior to study start
  • habitual usage of nasal drops/spray
  • pregnancy or nursing
  • alcohol / drug abuse
  • simultaneous participation in another clinical trial or participation in a clinical trial within the last 30 days
  • insufficient compliance

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
Severity of cold symptoms3 months

Severity of cold symptoms based on the questionnaire WURSS-21 during the cold episodes throughout the study period, in comparison between verum and placebo group

Secondary Outcome Measures
NameTimeMethod
Incidence of common cold episodes3 months

Trial Locations

Locations (1)

A&R

🇩🇪

Berlin, Germany

A&R
🇩🇪Berlin, Germany

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