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Respiratory Tract Diseases: later-stage trial registry
3 of 9 indexed Respiratory Tract Diseases trials are currently recruiting, with more weight in Phase 3-4.
Corpus placement: #1,916 of 28,707 conditions by registered trial count.
9 US clinical trials · 3 currently recruiting · #1,916 of 28,707 conditions by registered trial count
Respiratory Tract Diseases: 9 US clinical trials tracked, 3 recruiting.
Respiratory Tract Diseases is the subject of 9 registered US clinical trials on ClinicalTrials.gov, 3 of them currently open to new participants. 2 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is David Van Sickle, running 1 of these trials.
Enrollment posture brief
Registry condition respiratory-tract-diseases
OPEN 3 | RECR 33% | LATE 2 | EARLY 1 | RANK #1916 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Adherence, Treatment (33% recruiting · 6 trials)
Respiratory Tract Diseases lists 3 open slots (33% of 9 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Respiratory Tract Diseases on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Respiratory Tract Diseases is recruiting below its size-band peers.
3 of 9 indexed trials (33.3%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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Sponsorship of Respiratory Tract Diseases trials is spread across many organizations.
David Van Sickle accounts for 1 of 9 trials (11.1%). 9 distinct sponsors appear on at least one study for this condition label.
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Typical Respiratory Tract Diseases enrolment sits around 160 participants.
Median target enrolment is 160 among the 9 trials that report a genuine target (sentinel values excluded). 3 of those (33.3%) plan for fewer than 100 participants.
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Respiratory Tract Diseases splits between interventional and observational designs.
6 interventional and 3 observational studies make up this index (66.7% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
9 total, page 1 of 1
Real World Registry for Use of the Ion Endoluminal System
Intuitive Surgical
NCT06004440
Collection of Lung Fluid and Tissue Samples for Research
National Heart, Lung, and Blood Institute (NHLBI)
NCT00471250
AeviceMD for Detection of Wheeze in Pediatric and Adult Populations
Aevice Health Pte.
NCT06691971
Aventus Thrombectomy System Pulmonary Embolism Clinical Study
Inquis Medical
NCT05907564
Bevacizumab in Adults With Recurrent Respiratory Papillomatosis (RRP)
National Cancer Institute (NCI)
NCT05797246
Efficacy, Safety, and Immunogenicity of a Plant-Derived Quadrivalent Virus-Like Particles (VLPs) Influenza Vaccine in Adults
Medicago
NCT03301051
A Clinical Trial to Evaluate the Safety, Efficacy, and Immunogenicity of DR-5001
Duramed Research
NCT00382408
Asthma Data Innovation Demonstration Project
David Van Sickle
NCT02162576
A Phase I Study of iPS Cell Generation From Patients With COPD
Mayo Clinic
NCT01860898
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 1 |
| Phase 3 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Respiratory Tract Diseases records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Respiratory Tract Diseases trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Respiratory Tract Diseases page
9 registered trials, 3 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 3 Respiratory Tract Diseases trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- David Van Sickle sponsors the most Respiratory Tract Diseases trials on record, review their full trial history before evaluating a specific study. See David Van Sickle's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Respiratory Tract Diseases condition card totals 9 registered trials; most-linked intervention Quadrivalent VLP Vaccine; top US site state New York. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.