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Table 1 Characteristics of randomized controlled studies included into efficacy analysis of carrageenan nasal spray in common cold

From: Carrageenan nasal spray in virus confirmed common cold: individual patient data analysis of two randomized controlled trials

Trial Number of patients Population Main inclusion criteria Duration of nasal application of carrageenan or placebo Outcomes Follow-up
Fazekas T. et al. 2012 [14] 213 1-18 years Duration of symptoms since 36 h 7 days 3 times per day Symptoms severity; number of days without symptoms; viral load 21d
Ludwig M. et al. 2013 [15] 211 ≥18 years Duration of symptoms since 48 h 7 days 3 times per day Duration of disease; symptoms severity; viral load 21d