Asthma clinical trials recruiting in Canada
29 recruiting trials in the official registry · updated September 2026 · free · no account · no tracking · English & français
Search near your location →N95 Masks for Lung Health While Golfing During Wildfire Season
Recruiting now1 site
Lung health is negatively affected during wildfire season by increased smoke pollution. Wearing N95 masks protects lung health in the short-term. The purpose of our study is to assess whether wearing of N95 facemasks on days with moderate t…
Magnesium Trial in Acute Asthma in Emergency Department
Recruiting nowPhase 36 sites
Despite optimal initial emergency department (ED) therapy, 50% of children with severe acute asthma have ongoing moderate-severe respiratory distress. Guidelines recommend intravenous magnesium (IVMg) for them, yet evidence for IVMg efficac…
Study of Inhaled ARO-RAGE in Allergen-induced Mild Asthma
Recruiting nowPhase 25 sites
The purpose of this study is to evaluate the impact of inhaled ARO-RAGE on the late asthmatic response (LAR) following an inhaled allergen challenge in participants with mild atopic asthma.
Therapeutic Relevance of Abnormal Airway Morphology in Asthma
Recruiting nowPhase 42 sites
Most individuals with asthma can effectively manage their symptoms and maintain normal lung function using inhaled medications, unfortunately, there is a subset of asthma sufferers whose symptoms, lung function, and risk of asthma attacks r…
PROPULSION SANTE: Inflammometry to Improve the Diagnostic Trajectory in Situations of Suspected Asthma in Children and Adults
Recruiting now3 sites
The objective of this observational study is to assess the relevance of inflammometry (based on the measurement of fractional exhaled nitric oxide (FeNO) and blood eosinophil count (BEC)) as a tool for prioritizing respiratory diagnostic te…
International Severe Asthma Registry: Canadian Cohort
Recruiting now12 sites
The International Severe Asthma Registry is a global initiative looking to ensure that the care of people with severe asthma will continue to improve by collecting detailed information about the health and treatment of as many people with t…
Early Diagnosis and Treatment of Undiagnosed Asthma or COPD: THE UCAP 2 TRIAL
Recruiting now4 sites
Our research group has found that Canadians with undiagnosed asthma or chronic obstructive pulmonary disease (COPD) have increased respiratory symptoms and worse health-related quality of life. The investigators recently developed and vali…
Effects of Compression Stockings in Asthma Symptoms at Night
Recruiting now1 site
Nocturnal worsening of asthma is common. It is characterized by overnight exacerbation of asthma symptoms such as shortness of breath, chest tightness, coughing, and wheezing, increased need of asthma medications and airway hyperresponsiven…
Tezepelumab in the Treatment of Emergency Room Asthma in Adults (TERAA)
Recruiting nowPhase 42 sites
Adults with severe asthma may have sudden worsening shortness of breath that results in their going to Emergency Department for urgent care. Emergency Room visits for asthma management across Alberta have been reviewed and it has been found…
Diagnosing Asthma With Clinically Accessible, Non-invasive, and Efficient Tests: a Child-inclusive Translational Investigation
Recruiting now3 sites
Asthma is a common inflammatory respiratory disease affecting 11% of Canadians, but its diagnosis remains challenging, leading to delays in treatment or overtreatment. Spirometry with a reversibility test and bronchial provocation testing (…
Structure and Function MRI of Asthma
Recruiting now1 site
The investigators will apply 129Xenon and/or 3He image acquisition and analysis methods in 200 asthma patient volunteers in order to characterize and probe the relationship between lung structure and function using imaging.
Residual Exacerbations With Mepolizumab
Recruiting now1 site
This will be a two-year prospective study to characterize the nature of the remaining asthma exacerbations in patients treated with mepolizumab. Participants will be assessed every six months from pre- until two years of treatment in additi…
A Study Assessing the Effect of Dupilumab on Inducing Clinical Remission in Asthma
Recruiting nowPhase 35 sites
This study tests whether an asthma medication called dupilumab can help people achieve complete asthma control (called "remission") when given earlier in their disease, before asthma becomes severe. Currently, most people with asthma only r…
Evaluating the Impact of Single Dose Tiotropium on Allergen-induced Early Asthmatic Response
Opening soonPhase 41 site
Evaluate single dose (2 x 2.5mcg/puff; total dose 5mcg) effect of tiotropium administered 30 minutes prior to allergen challenge on allergen-induced EAR assessed as the maximal % fall in FEV1 after allergen inhalation compared to that of si…
PAXT: Pulmonary Imaging of Mild Asthma Using 129Xe MRI and Tc-99-Labeled-Carbon-Imaging (Tc99CImaging)
Recruiting now1 site
The goal of this observational study is to better understand how asthma affects the lungs in young adults (ages 17-35) with mild asthma. The main questions it aims to answer are: * Can advanced imaging detect abnormal airway function in pe…
REverse LuNg Airway and Vascular RemOdeling in Asthma ReMission (ReNORM)
Opening soon1 site
In this program of research, the investigators aim to answer the question: In patients with asthma aged 18-80, how do the lung airways and vessels respond to biologic therapy and what role does age and asthma duration have in this response?…
A Study to Evaluate Brenipatide Compared With Placebo in Adult Participants With Uncontrolled Moderate to Severe Asthma
Recruiting nowPhase 2121 sites
The purpose of this study is to assess the safety and efficacy of brenipatide at different dose levels compared with placebo in participants with moderate-to-severe asthma. Study participation will last approximately 65 weeks, including sc…
Xenon-129 and Inert Fluorinated Gas Lung MRI: Study of Healthy Volunteers and Participants With Pulmonary Disease
Recruiting nowPhase 21 site
Aim of this study is to evaluate image quality and reproducibility of Xenon-129 and Inert fluorinated (19F) gas Magnetic Resonance Imaging (MRI) and to evaluate changes in lung structure and function in participants with cystic fibrosis (CF…
The Safety, Feasibility, and Repeatability of Inhaled ATP Cough Challenges
Recruiting nowPhase 11 site
The inhalation of adenosine 5'-triphosphate (ATP) to evoke cough (ATP cough challenge) is becoming increasingly used as a tool to measure cough hypersensitivity in patients with chronic cough. However, the safety, feasibility, and repeatabi…
Depemokimab Asthma Imaging and Bronchoscopy Sub-Study
Recruiting nowPhase 350 sites
Asthma is a chronic condition marked by narrowed and swollen airways due to inflammation leading to recurring symptoms that can vary and worsen unpredictably.\\xa0The purpose of this study is to assess how depemokimab, a monoclonal antibody…
Effects of Salbutamol in Athletes and Implications for Screening and Sports
Recruiting now1 site
β2-Agonists, commonly used to treat asthma, have also been used by athletes to enhance performance, leading to their ban by the International Olympic Committee in 1972. Research has shown non-asthmatics receive no benefit from these drugs a…
Canadian Consortium on Airway Mucus Occlusions in Asthma, COPD and Chronic Cough
Recruiting now6 sites
Chronic lung diseases affect one in five Canadians, causing symptoms such as cough, breathlessness, and wheeze. Despite advancements in medical care, these conditions not only impact individuals and their close circles but also present subs…
Infant RSV Immunity Study
Recruiting now1 site
Respiratory Syncytial Virus (RSV) is a main global cause of respiratory illness and death in infants. Previous infant vaccine trials have failed to demonstrate protection. Moreover, RSV infection during early infancy, particularly in infant…
A Study to Investigate the Efficacy and Safety of Tezepelumab Compared With Placebo in Children 5 to < 12 Years Old With Severe Asthma
Recruiting nowPhase 3147 sites
To assess the efficacy and safety of tezepelumab in pediatric participants with severe uncontrolled asthma on medium to high-dose inhaled corticosteroids (ICS) and at least one additional asthma controller medication with or without oral co…
A Study Evaluating Disease Characteristics and Outcomes in Participants With Asthma in Routine Clinical Practice
Recruiting now59 sites
The main aim of the study to describe the characteristics of participants with asthma across the spectrum of disease severity, including sociodemographic and clinical characteristics, treatment and disease burden, biomarkers, and both disea…
Randomised Clinical Trial to Investigate Efficacy and Safety of Benralizumab 30 mg SC as an add-on Therapy in Uncontrolled Eosinophilic Asthma Patients Treated With Medium-dose ICS-LABA Compared to Conventional Escalation to High-dose ICS-LABA Treatment
Recruiting nowPhase 3160 sites
This study evaluates the efficacy and safety of benralizumab as an add-on therapy in uncontrolled eosinophilic asthma participants treated with medium-dose ICS-LABA compared to the conventional treatment step of escalation of inhaled therap…
Single Dose of Antenatal Corticosteroids for Pregnancies at Risk of Preterm Delivery (SNACS)
Recruiting nowPhase 425 sites
Antenatal corticosteroids (ACS) reduce the risks of neonatal death and morbidities in preterm infants, such as respiratory distress syndrome. The standard of care for pregnant people at risk of preterm birth includes 2 doses of Celestone (…
Roll-over Study for Participants Who Have Completed a Previous Clinical Study With Benralizumab (Fasenra) and Benefit From Continued Treatment
Recruiting nowPhase 345 sites
The rationale of the roll-over study (ROSY) is to provide continuous access to study treatment for participants who have completed or exited a parent study and are deemed appropriate for continued benralizumab treatment, as judged by the In…
Pharmacokinetics, Pharmacodynamics, and Safety Profile of Understudied Drugs Administered to Children Per Standard of Care (POPS)
Recruiting now52 sites
The study investigators are interested in learning more about how drugs, that are given to children by their health care provider, act in the bodies of children and young adults in hopes to find the most safe and effective dose for children…
Common questions
How do I find a asthma clinical trial near me in Canada?
Use Beacon's free search: enter "asthma", your age, and your location, and you'll see recruiting trials sorted by distance, each explained in plain language — including sites just across the US border. Beacon searches the full official registry and never requires an account.
Does joining a clinical trial cost money?
The study treatment and study-related tests are usually provided at no cost, and some trials help with travel. In Canada, your provincial health coverage continues to apply to your routine care — always confirm details with the study team.
Can I leave a clinical trial after joining?
Yes. Participation is always voluntary, and you can leave a trial at any time, for any reason, without losing your normal medical care.
Do I qualify for these trials?
Every trial has its own eligibility criteria. Beacon translates each trial's criteria into a plain-language checklist you can review and bring to your doctor — only the study team can confirm whether you qualify.
Page updated September 2026.