research participants who meet any of the following exclusion criteria will be excluded from the study: 1. participants with moderate or severe acute respiratory failure or needing non-invasive ventilation or oxygen, or with spo2 \<92% or tachypnea (respiratory rate ≥ 30 breaths / minute). 2. participants with pre-existing, severe and uncontrolled organ failure, which prevents participation in the study by the investigator's judgment (non-relevant cardiac disease) 3. participant diagnosed with previous asthma using inhaled or oral corticosteroids in the last four weeks. 4. participant with previous use, in the last ten days of randomization, of inhaled, oral or injectable corticosteroids. 5. participant with previous diagnosis of chronic obstructive pulmonary disease, even if he is not using any inhaled medication. 6. pregnant or lactating women. 7. use of any product under investigation or unregistered within 3 months or within 5 half-lives before baseline, whichever is longer. 8. hypersensitivity to the drug and / or its excipients. 9. any condition that, in the investigator's opinion, could compromise the participant's safety or his adherence to the study protocol.

research participants who meet any of the following exclusion criteria will be excluded from the study: 1. participants with moderate or severe acute respiratory failure or needing non-invasive ventilation or oxygen, or with spo2 \<92% or tachypnea (respiratory rate ≥ 30 breaths / minute). 2. participants with pre-existing, severe and uncontrolled organ failure, which prevents participation in the study by the investigator's judgment (non-relevant cardiac disease) 3. participant diagnosed with previous asthma using inhaled or oral corticosteroids in the last four weeks. 4. participant with previous use, in the last ten days of randomization, of inhaled, oral or injectable corticosteroids. 5. participant with previous diagnosis of chronic obstructive pulmonary disease, even if he is not using any inhaled medication. 6. pregnant or lactating women. 7. use of any product under investigation or unregistered within 3 months or within 5 half-lives before baseline, whichever is longer. 8. hypersensitivity to the drug and / or its excipients. 9. any condition that, in the investigator's opinion, could compromise the participant's safety or his adherence to the study protocol.

research participants who meet any of the following exclusion criteria will be excluded from the study: participants with moderate or severe acute respiratory failure or needing non-invasive ventilation or oxygen, or with spo2 <92% or tachypnea (respiratory rate ≥ 30 breaths / minute). participants with pre-existing, severe and uncontrolled organ failure, which prevents participation in the study by the investigator's judgment (non-relevant cardiac disease) participant diagnosed with previous asthma using inhaled or oral corticosteroids in the last four weeks. participant with previous use, in the last ten days of randomization, of inhaled, oral or injectable corticosteroids. participant with previous diagnosis of chronic obstructive pulmonary disease, even if he is not using any inhaled medication. pregnant or lactating women. use of any product under investigation or unregistered within 3 months or within 5 half-lives before baseline, whichever is longer. hypersensitivity to the drug and / or its excipients. any condition that, in the investigator's opinion, could compromise the participant's safety or his adherence to the study protocol.

research participants who meet any of the following exclusion criteria will be excluded from the study: participants with moderate or severe acute respiratory failure or needing non-invasive ventilation or oxygen, or with spo2 <92% or tachypnea (respiratory rate ≥ 30 breaths / minute). participants with pre-existing, severe and uncontrolled organ failure, which prevents participation in the study by the investigator's judgment (non-relevant cardiac disease) participant diagnosed with previous asthma using inhaled or oral corticosteroids in the last four weeks. participant with previous use, in the last ten days of randomization, of inhaled, oral or injectable corticosteroids. participant with previous diagnosis of chronic obstructive pulmonary disease, even if he is not using any inhaled medication. pregnant or lactating women. use of any product under investigation or unregistered within 3 months or within 5 half-lives before baseline, whichever is longer. hypersensitivity to the drug and / or its excipients. any condition that, in the investigator's opinion, could compromise the participant's safety or his adherence to the study protocol.

research participants who meet any of the following exclusion criteria will be excluded from the study: 1. participants with moderate or severe acute respiratory failure or needing non-invasive ventilation or oxygen, or with spo2 <92% or tachypnea (respiratory rate ≥ 30 breaths / minute). 2. participants with pre-existing, severe and uncontrolled organ failure, which prevents participation in the study by the investigator's judgment (non-relevant cardiac disease) 3. participant diagnosed with previous asthma using inhaled or oral corticosteroids in the last four weeks. 4. participant with previous use, in the last ten days of randomization, of inhaled, oral or injectable corticosteroids. 5. participant with previous diagnosis of chronic obstructive pulmonary disease, even if he is not using any inhaled medication. 6. pregnant or lactating women. 7. use of any product under investigation or unregistered within 3 months or within 5 half-lives before baseline, whichever is longer. 8. hypersensitivity to the drug and / or its excipients. 9. any condition that, in the investigator's opinion, could compromise the participant's safety or his adherence to the study protocol.

research participants who meet any of the following exclusion criteria will be excluded from the study: 1. participants with moderate or severe acute respiratory failure or needing non-invasive ventilation or oxygen, or with spo2 <92% or tachypnea (respiratory rate ≥ 30 breaths / minute). 2. participants with pre-existing, severe and uncontrolled organ failure, which prevents participation in the study by the investigator's judgment (non-relevant cardiac disease) 3. participant diagnosed with previous asthma using inhaled or oral corticosteroids in the last four weeks. 4. participant with previous use, in the last ten days of randomization, of inhaled, oral or injectable corticosteroids. 5. participant with previous diagnosis of chronic obstructive pulmonary disease, even if he is not using any inhaled medication. 6. pregnant or lactating women. 7. use of any product under investigation or unregistered within 3 months or within 5 half-lives before baseline, whichever is longer. 8. hypersensitivity to the drug and / or its excipients. 9. any condition that, in the investigator's opinion, could compromise the participant's safety or his adherence to the study protocol.