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The results of a clinical trial published in 2016 showed the efficacy of ivy leaves dry extract EA 575 versus placebo in the treatment of patients suffering from acute cough. A clinical trial with a very similar design was conducted to not only show the reproducibility of former results but also to investigate an alternative dosing scheme.

erj open research

Efficacy of two dosing schemes of a liquid containing ivy leaves dry extract EA 575 <i>versus</i> placebo in the treatment of acute bronchitis in adults

Efficacy of two dosing schemes of a liquid containing ivy leaves dry extract EA 575 versus placebo in the treatment of acute bronchitis in adults