Double-blind, Randomized, Parallel-group, Placebo-controlled Study to Evaluate Efficacy of CMS008618 for Common Cold

"ColdZyme® Mouth Spray, a CE -marked device with the following composition of the spray solution: glycerol, purified water, cod trypsin, ethanol (\<1 %), calcium chloride, trometamol and menthol.~ColdZyme is a non-sterile mouth spray packaged in a primary container consisting of a 20 ml semi-transparent plastic bottle, pump, actuator (spray nozzle) and an actuator terminal cap."

The placebo mouth spray solution has the following composition: ethanol (\<1 %), menthol and water. The placebo mouth spray is packaged in a primary container consisting of a 20 ml semitransparent plastic bottle, pump, actuator (spray nozzle) and an actuator terminal cap.