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临床试验/NCT03636191
NCT03636191已完成不适用

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.

Chr Hansen1 个研究点 分布在 1 个国家目标入组 619 人开始时间: 2018年9月1日最近更新:
适应症

试验速览

阶段
不适用
状态
已完成
发起方
入组人数
619
试验地点
1
主要终点
The incidence of URTI

研究概览

简要总结

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.

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Parallel
主要目的
Prevention
盲法
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)

入排标准

年龄范围
2 Years 至 6 Years(Child)
性别
All
接受健康志愿者

入选标准

  • 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

排除标准

  • 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

结局指标

主要结局

The incidence of URTI

时间窗: 16 weeks

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.

次要结局

  • The Number of days with URTI symptoms(16 weeks)
  • The number of days with temperature ≥ 38 °C(16 weeks)
  • The incidence of URTI with pathogens(16 weeks)
  • The number of subjects with one or more episode of URTI(16 weeks)
  • The number of days of absence from daycare or primary school(16 weeks)
  • WURSS-K score(16 weeks)

研究者

发起方
Chr Hansen
申办方类型
Industry
责任方
Sponsor

研究点 (1)

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