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Asthma: full-pipeline trial registry
70 of 378 indexed Asthma trials are currently recruiting.
Corpus placement: #15 of 28,963 conditions by registered trial count.
378 US clinical trials · 70 currently recruiting · #15 of 28,963 conditions by registered trial count
Asthma: 378 US clinical trials tracked, 70 recruiting.
Asthma is the subject of 378 registered US clinical trials on ClinicalTrials.gov, 70 of them currently open to new participants. 89 are in Phase 3-4 (later-stage) and 108 in Phase 1-2 (earlier-stage). The most active sponsor is GlaxoSmithKline, running 24 of these trials.
Open enrollment snapshot
Asthma has 378 registered US clinical trials, 70 of them open to new participants right now, about 19% of the total.
- 70
- recruiting participants now
- 19%
- of trials open to enrollment
- 89
- in Phase 3-4 (later-stage)
- 24
- top sponsor: GlaxoSmithKline
Corpus placement: #15 of 28,963 conditions by registered trial count on ClinicalTrials.gov-derived indexes. Registry reference only, not medical advice.
Key findings
What ClinicalTrials.gov does not surface for Asthma on its own pages , computed from the registry mirror as of 2026-07-11. Each line carries its own denominator so it can be quoted as it stands.
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Asthma is recruiting below its size-band peers.
70 of 378 indexed trials (18.5%) are open to enrollment, against a 37.2% average across 135 conditions with 100+ trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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Sponsorship of Asthma trials is spread across many organizations.
GlaxoSmithKline accounts for 24 of 378 trials (6.3%). 161 distinct sponsors appear on at least one study for this condition label.
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Typical Asthma enrolment sits around 144 participants.
Median target enrolment is 144 among the 375 trials that report a genuine target (sentinel values excluded). 160 of those (42.7%) plan for fewer than 100 participants.
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Asthma research is mostly interventional.
298 interventional and 80 observational studies make up this index (78.8% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
378 total, page 4 of 8
A Study of MEMP1972A in Patients With Allergic Asthma Inadequately Controlled on Inhaled Steroids And A Second Controller (COSTA)
Genentech
NCT01582503
Urban Environmental Factors and Childhood Asthma
National Institute of Allergy and Infectious Diseases (NIAID)
NCT00114881
An Efficacy Study Comparing SYMBICORT® Pressurised Metered Dose Inhaler (pMDI) With Budesonide Hydrofluoroalkanes (HFA) pMDI, in Hispanic Subjects With ICS Dependent Asthma
AstraZeneca
NCT00419757
New Combination Inhaler (FlutiForm HFA MDI 100/10 µg and 250/10 µg) Versus Fluticasone and Formoterol Administered Alone, and Placebo in Patients With Moderate to Severe Asthma
SkyePharma
NCT00393952
Evaluation of an Asthma Treatment Strategy Based on Exhaled Nitric Oxide Measurements in Adolescents
National Institute of Allergy and Infectious Diseases (NIAID)
NCT00114413
Dexpramipexole Dose-Ranging Biomarker Study in Subjects With Eosinophilic Asthma
Knopp Biosciences
NCT04046939
Longitudinal Cohort Study in Participants With Severe Asthma to Assess Biomarkers
Hoffmann-La Roche
NCT02537691
Study of Reslizumab in Participants With Uncontrolled Asthma and Elevated Blood Eosinophils
Teva Branded Pharmaceutical Products R&D
NCT02452190
A Phase 2 Study of Vapendavir in Asthmatic Adults With Symptomatic Human Rhinovirus Infection
Biota Pharmaceuticals
NCT02367313
Children's Exposures/Health Effects/Diesel Exhaust
National Institute of Environmental Health Sciences (NIEHS)
NCT00527345
Tailored Asthma Management for Urban Teens
Henry Ford Health System
NCT00201058
A Randomized Controlled Trial of AppS to Home Monitor Your Asthma
RAND
NCT04401332
Educational Video for Improving Follow-up After an Emergency Department Visit for Asthma
Children's Hospital of Philadelphia
NCT00113633
A 24-Week Treatment Study to Compare Standard of Care Versus the eMDPI DS in Participants 13 Years or Older With Asthma
Teva Branded Pharmaceutical Products R&D
NCT04677959
Evaluate the Safety, Efficacy and Dose Response of GSK573719 in Combination With Fluticasone Furoate in Subjects With Asthma
GlaxoSmithKline
NCT01573624
Efficacy and Safety of 4 Weeks Treatment With Inhaled BI 1744 CL in Patients With COPD.
Boehringer Ingelheim
NCT00452400
Supporting Asthma Management Behaviors in Aging Adults
Icahn School of Medicine at Mount Sinai
NCT02316223
Study of Acid Reflux in Asthma
Johns Hopkins Bloomberg School of Public Health
NCT00069823
The Health Access and Recovery Peer Program
Emory University
NCT01725815
PrecISE (Precision Interventions for Severe and/or Exacerbation-Prone Asthma) Network Study
University of North Carolina, Chapel Hill
NCT04129931
Vitamin C Supplementation to Pregnant Smokers: Follow-up of 2 Randomized Trials Plus Changes in DNA Methylation
Oregon Health and Science University
NCT03206710
Efficacy and Safety of 2 Doses of Tiotropium Respimat Compared to Placebo in Adolescents With Severe Persistent Asthma
Boehringer Ingelheim
NCT01277523
Study of Levalbuterol, Racemic Albuterol and Placebo in Subjects Twelve Years of Age and Older With Asthma
Sumitomo Pharma America
NCT00073840
The Study of Soy Isoflavones in Asthma
American Lung Association Asthma Clinical Research Centers
NCT01052116
Telemedicine Enhanced Asthma Management Through the Emergency Department
University of Rochester
NCT02752165
Office-Based Asthma Screening Intervention
University of Rochester
NCT00156468
Clinical Study Evaluating Safety and Efficacy of Fluticasone Furoate and Fluticasone Propionate in People With Asthma
GlaxoSmithKline
NCT01436110
A Study of Lebrikizumab in Adolescent Participants With Uncontrolled Asthma Who Are on Inhaled Corticosteroids and a Second Controller Medication
Hoffmann-La Roche
NCT01875003
A Study to Assess the Effect of QAW039 in Non-atopic Asthmatic Patients
Novartis Pharmaceuticals
NCT01836471
Asthma Self-Management For Adolescents
Columbia University
NCT01069991
Fall Epidemic Viral Pediatric Study
GlaxoSmithKline
NCT01192178
Phase 2a Study to Assess the Efficacy and Safety of AZD4604 in Adult Patients With Moderate-to-Severe Asthma Uncontrolled on Medium-High Dose ICS-LABA
AstraZeneca
NCT06020014
A Phase 3a, Repeat Dose, Open-label, Long-term Safety Study of Mepolizumab in Asthmatic Subjects
GlaxoSmithKline
NCT02135692
Audio Data Collection for Identification and Classification of Coughing
HealthMode
NCT04326309
Open-Label Assessment of the Albuterol Spiromax® Dry Powder Inhaler (DPI)
Teva Branded Pharmaceutical Products R&D
NCT01857323
A Patient Advocate to Improve Real-world Asthma Management for Inner City Adults
University of Pennsylvania
NCT01972308
Study to Evaluate Efficacy and Safety of Tezepelumab in Reducing Oral Corticosteroid Use in Adult Patients With Severe Asthma
AstraZeneca
NCT05274815
Safety and Efficacy of Inhaled Insulin in Patients With Diabetes and Asthma or COPD
Eli Lilly and Company
NCT00157339
Healthier Living Canada
Stanford University
NCT01047514
Informing Policy to Implement Pediatric Family Engagement in Meaningful Use Stage 3
Children's Hospital of Philadelphia
NCT01966068
A Phase 3, Multicenter, Open-label Continuation Study in Moderate to Severe Asthmatic Subjects Who Completed FlutiForm HFA pMDI Study SKY2028-3-005
SkyePharma
NCT00747318
Borage Oil and Ginkgo Biloba (EGb 761) in Asthma
National Center for Complementary and Integrative Health (NCCIH)
NCT00029679
Vitamin D, Steroids, and Asthma in African American Youth
Robert J. Freishtat
NCT01647399
The Effects of a Standardized Management Plan on Children With Critical Asthma
Boston Children's Hospital
NCT01785017
Ability of Aridol to Detect Bronchial Hyperresponsiveness in Suspected Asthmatics
Syntara
NCT00252291
Evaluating the Efficacy and Safety of Fluticasone Furoate in the Treatment of Asthma in Adults and Adolescents
GlaxoSmithKline
NCT01431950
Asthma Symptom Management Through Mindfulness Training
University of Massachusetts, Worcester
NCT02275559
Improving Asthma Communication in Minority Families
National Institute of Nursing Research (NINR)
NCT00133666
Exploring a Cessation Intervention for Smokers
Children's Hospital Medical Center, Cincinnati
NCT01728038
Redox Determinants of Severe Asthma (a Substudy of the Severe Asthma Research Program)
Emory University
NCT00590005
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 27 |
| Phase 2 | 81 |
| Phase 3 | 51 |
| Phase 4 | 38 |
Top Sponsors
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
What is open for Asthma right now
70 recruiting of 378 indexed (19% open).
Phase mix: 89 late (III/IV) vs 108 early (I/II) (balanced across stages).
Top sponsor: GlaxoSmithKline (24 trials), 9 others listed. 50 shown below, recruiting first. #15 of 28,963 conditions by registered trial count.
How open-enrollment share is computed
Open share is recruiting_count divided by trial_count for this condition label in the public registry export. Status can change between pulls; treat the figure as a snapshot of research attention, not treatment availability.
Frequently Asked Questions
How many clinical trials are there for Asthma?
PlainTrial tracks 378 US clinical trials for Asthma, of which 70 are currently recruiting participants. Data sourced from ClinicalTrials.gov.
How do I find a recruiting trial for Asthma?
Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.
Is this data current?
Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.
Related
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.
Read our methodology - how this data is sourced, computed, and verified.
Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This page aggregates every registered trial for this condition, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.