30
Participants
Start Date
July 20, 2020
Primary Completion Date
October 1, 2020
Study Completion Date
October 20, 2020
EXO 1 inhalation
Twice a day during 10 days inhalation of 3 ml special solution contained 0.5-2x10\^10 of nanoparticles (exosomes) of the first type.
EXO 2 inhalation
Twice a day during 10 days inhalation of 3 ml special solution contained 0.5-2x10\^10 of nanoparticles (exosomes) of the second type.
Placebo inhalation
Twice a day during 10 days inhalation of 3 ml special solution free of nanoparticles (exosomes).
Medical Centre Dinasty, Samara
Samara State Medical University
OTHER
Samara Regional Clinical Hospital V.D. Seredavin
OTHER
"State-Financed Health Facility Samara Regional Medical Center Dinasty"
OTHER