Phase 3 Asthma Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- People who have been diagnosed with asthma by a doctor for at least 12 months before the first study visit
- People who have been taking one of the specified asthma maintenance (regular, ongoing) treatments for at least 3 months, with the same dose for at least the last 4 weeks before the first visit
- People whose lung function test results fall within a specific range — between 40% and less than 90% of the expected normal value for adults, measured before using a reliever inhaler
- People whose airways have been shown to open up (improve) after using a reliever inhaler (albuterol/salbutamol)
- People who have had at least one serious asthma attack in the 12 months before the first visit
- People whose asthma symptom score (measured using a standard questionnaire called the ACQ-7) is 1.5 or higher at the first visit
- People whose asthma symptom score (measured using a related questionnaire called the ACQ-5) is 1.5 or higher at the second visit
- People who have been using a short-acting reliever inhaler (SABA) as needed for at least 3 months before the first visit
- People who used the study-provided reliever inhaler on at least 3 days during the last week before the second visit, due to asthma symptoms
- People who can demonstrate the correct technique for using a metered-dose inhaler (a specific type of puffer), as assessed by the study team — note that spacers are not allowed in this trial
- People who can correctly perform peak flow (breathing strength) measurements, as assessed by the study team
- People with a body mass index (a measure of body weight relative to height) below 40
- Women who could become pregnant must have a negative pregnancy test (urine test) at the first visit
- Women who could become pregnant must agree to use contraception to prevent pregnancy during the trial
- People who are willing to attend all required study visits and complete all assessments
Who may not be able to join:
- People who have chronic obstructive pulmonary disease (COPD) or another significant lung condition
- People who have used oral or injected corticosteroids (steroid tablets or injections) at any dose within 6 weeks before the first visit
- People who have regularly used oral corticosteroids for 3 or more weeks in the 3 months before the first visit
- People who have received a biologic medicine (a type of specialised treatment) — either an approved or experimental one — within 3 months or a certain timeframe before the first visit, or who have taken other medications that are not allowed in this trial
- People who currently smoke, people who smoked heavily in the past (more than 10 pack-years), or people who stopped smoking less than 6 months before the first visit
- People who have had a life-threatening asthma episode in the last 5 years that required being placed on a breathing machine, involved dangerously high carbon dioxide levels, involved a breathing emergency, caused seizures due to low oxygen, or caused loss of consciousness related to asthma
- People who have recently finished treatment for a lower respiratory tract infection or an asthma attack within 6 weeks before the first visit
- People who had an upper respiratory infection (such as a chest or throat infection) requiring antibiotics that had not cleared up within 7 days before the first visit
- People who have significantly abnormal results on laboratory (blood or urine) tests
- People who have a current or past history of another significant medical condition (confirm with trial site)
- People who have had cancer that has not been in full remission for at least 5 years before the first visit
- People with a history of psychiatric illness, intellectual disability, low motivation, or other conditions that may affect their ability to fully understand and consent to the study
- People who have a known or suspected allergy or sensitivity to albuterol, salbutamol, budesonide, or any ingredients in these medications
- People who are unable to avoid certain medications that are not permitted during the study
- People who have received a live vaccine within 7 days before the first visit
- People who are currently pregnant or breastfeeding
- People who experience more than one serious asthma attack during the screening period before the trial begins
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Phone: 1-877-240-9479
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Time to first severe asthma exacerbation
Can't join this trial?
Data last synced from ClinicalTrials.gov: 6 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.