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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 8 of 8
Observational Study of Characteristics, Treatment and Outcomes With Severe Asthma in the United States (CHRONICLE)
AstraZeneca
NCT03373045
Biomarkers of Irritant-Induced and Allergic Asthma
NYU Langone Health
NCT02740543
E-cigarettes for Harm Reduction in Adults With Asthma
Brown University
NCT05278065
Study in Patients With Asthma
Dey
NCT00215397
The Effect of Omalizumab on Airway Responsiveness to Adenosine in Patients With Poorly Controlled Asthma
University of Florida
NCT00133042
Effect of a Component of Fish Oil on Exercise-Induced Bronchoconstriction and Airway Inflammation in Asthma
Indiana University
NCT01200446
Feasibility of Ripple Health Smart Pill Caps in Clinical Settings
Manan Shukla
NCT05192928
Roflumilast In-Vitro Basophil Release
Creighton University
NCT00613587
Telehealth Enhanced Asthma Management
Arkansas Children's Hospital Research Institute
NCT03414177
PF-04191834 Single Dose Bronchodilatory Study In Asthma.
Pfizer
NCT00723021
Effects of Interleukin (IL)- 4R-alpha Inhibition on Respiratory Microbiome and Immunologic Correlates in Severe Asthma
University of Michigan
NCT05036733
Comparative Effectiveness of a Breath-operated Albuterol Inhaler in Asthma Patients With Poor Inhaler Technique
Teva Branded Pharmaceutical Products R&D
NCT00054964
Respiratory Disorders Non-invasive Monitoring of Work of Breathing in Outpatients
Stanford University
NCT04003415
Evaluation of Traditional Paper Symptom Diary vs. the VOCEL Mobile Diary
Allergy & Asthma Medical Group & Research Center
NCT00367263
Electronic Health Record (EHR) Decision Support to Improve Outpatient Asthma Care
Children's Hospital of Philadelphia
NCT00918944
Using Mobile Phones to Improve Adherence to Inhaled Steroids
Rush University Medical Center
NCT01710059
Impact of Anti-static Chamber/Mask
University of Florida
NCT00307970
A Safety Trial of DAS181 (Fludase®) in Adult Subjects With Well-Controlled Asthma or Bronchiectasis
Ansun Biopharma
NCT01113034
Imaging Study of the Lungs During an Allergic Asthma Attack
Massachusetts General Hospital
NCT01547286
Rural Home Hospital: Proof of Concept
Brigham and Women's Hospital
NCT04531280
Evaluation of Negative Inspiratory Flow in Children With Acute Asthma
Winthrop University Hospital
NCT05762978
Immunologic Basis of Anti-IgE Therapy (Study II: On Patients With Asthma)
University of California, Davis
NCT00367016
The Effects of NOx and Conjugated Linoleic Acid on Asthmatics
Gladwin, Mark, MD
NCT02433977
Menstrual Differences in Airway Inflammation in Asthma
The University of Texas Medical Branch, Galveston
NCT00584441
Stimulation of the Cervical Sympathetic Ganglion for Treatment of Asthma
Jonathan Parsons
NCT01724307
Outcomes From an Asthma Disease Management Program
Children's Mercy Hospital Kansas City
NCT00137722
Evaluation of Various Doses of Ro 27-2771 (Test Drug) in Asthmatic Patients Not Treated With Inhaled Corticosteroids
Hoffmann-La Roche
NCT00048009
A Study of the Safety and Efficacy of Tacrolimus Inhalation Aerosol in Subjects With Persistent Asthma
Astellas Pharma
NCT00116103
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. 28 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.