Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Cardiorespiratory Fitness: early-phase trial registry
2 of 4 indexed Cardiorespiratory Fitness trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #4,115 of 28,707 conditions by registered trial count.
4 US clinical trials · 2 currently recruiting · #4,115 of 28,707 conditions by registered trial count
Cardiorespiratory Fitness: 4 US clinical trials tracked, 2 recruiting.
Cardiorespiratory Fitness is the subject of 4 registered US clinical trials on ClinicalTrials.gov, 2 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Duke University, running 2 of these trials.
Enrollment posture brief
Registry condition cardiorespiratory-fitness
OPEN 2 | RECR 50% | LATE 0 | EARLY 1 | RANK #4115 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Abdominal Aortic Aneurysms (50% recruiting · 6 trials)
Cardiorespiratory Fitness lists 2 open slots (50% of 4 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 Cardiorespiratory Fitness 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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Cardiorespiratory Fitness is recruiting above its size-band peers.
2 of 4 indexed trials (50%) 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.
Open and recent trials
4 total, page 1 of 1
REmotely Monitored, Mobile Health Supported Multidomain Rehabilitation Program With High Intensity Interval Training for COVID-19
Duke University
NCT05218083
Development & Validation of Preoperative Objective Physiological Evaluation
Duke University
NCT05092126
Peanut Consumption to Augment Adaptations to Concurrent Resistance and Aerobic Exercise Training
Southwestern University
NCT05932875
Nitrite Supplementation in Long COVID Patients
VA Office of Research and Development
NCT05618574
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Cardiorespiratory Fitness records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Cardiorespiratory Fitness 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 Cardiorespiratory Fitness page
4 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 2 Cardiorespiratory Fitness trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Duke University sponsors the most Cardiorespiratory Fitness trials on record, review their full trial history before evaluating a specific study. See Duke University'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 Cardiorespiratory Fitness condition card totals 4 registered trials; most-linked intervention 210 ml of nitrate-depleted placebo; top US site state North Carolina. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.