Controlled, Randomized, Double-blind, Multicentre Study on Efficacy and Safety of Echinaforce Junior Tablets in Comparison With Vitamin C for the Prevention of Viral Respiratory Tract Infections in Children (4-12 Years)
Controlled, Randomized, Double-blind, Multicentre Study on Efficacy and Safety of Echinaforce Junior Tablets in Comparison With Vitamin C for the Prevention of Viral Respiratory Tract Infections in Children (4-12 Years)
Aim of this study is to investigate efficacy and safety of Echinaforce Junior Tablets (250mg) in comparison with Vitamin C tablets in the prevention of acute viral respiratory tract infections.
200 children aged 4-12 years are recruited by pediatricians and general practitioners and are allocated to preventive treatment with either Echinaforce Junior tablets or Vitamin C. Children take 3 x 1 tablet per day over a period of 2 months followed by 1 week treatment break and an intermediate study visit (V2). Thereafter children continue with preventive Treatment for another 2 months, followed by exclusion visit (V3).
Parents are required to contact a study coordinator at the occurrence of acute respiratory Symptoms to initiate symptom recording via internet-based e-diary. On day 1 - 3 of episode parents will sample nasal secretion, which will be analysed for common respiratory agents.
Inclusion Criteria:
Exclusion Criteria: