Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Respiratory Depression: early-phase trial registry
A small indexed set (5 trials) with no open enrollment listed right now.
Corpus placement: #3,391 of 28,707 conditions by registered trial count.
5 US clinical trials · none currently recruiting · #3,391 of 28,707 conditions by registered trial count
Respiratory Depression: 5 US clinical trials tracked, none currently recruiting.
Respiratory Depression is the subject of 5 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 0 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is Enalare Therapeutics, running 1 of these trials.
Enrollment posture brief
Registry condition respiratory-depression
OPEN 0 | RECR 0% | LATE 0 | EARLY 2 | RANK #3391 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)
Respiratory Depression has no open enrollment in this registry pull (5 archived studies). Peers show how other volume-matched labels compare on open share. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Respiratory Depression 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 Depression is recruiting below its size-band peers.
0 of 5 indexed trials (0%) 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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One sponsor concentrates Respiratory Depression research.
Enalare Therapeutics accounts for 1 of 5 trials (20%). 5 distinct sponsors appear on at least one study for this condition label.
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Most Respiratory Depression trials plan to enrol fewer than 100 people.
Median target enrolment is 36 among the 5 trials that report a genuine target (sentinel values excluded). 5 of those (100%) plan for fewer than 100 participants.
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Respiratory Depression splits between interventional and observational designs.
3 interventional and 2 observational studies make up this index (60% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Indexed trials (enrollment closed)
5 total, page 1 of 1
ENA-001 for Opioid Induced Respiratory Depression
Enalare Therapeutics
NCT06967259
Postoperative Respiratory Monitoring After Neuraxial Opioid Administration for Cesarean Delivery
Stanford University
NCT02417038
Effect of Opioids on Ventilation in Children With Obstructive Sleep Apnea
Baylor College of Medicine
NCT03938259
Pupillary Unrest in Ambient Light, and Relationship to Opioid-Induced Respiratory Depression
University of California, San Francisco
NCT04301895
The Effects of Ketamine on Respiratory Stimulation and Transpulmonary Pressures
Massachusetts General Hospital
NCT01969227
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Respiratory Depression records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Respiratory Depression 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 Depression page
5 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- No Respiratory Depression trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
- Enalare Therapeutics sponsors the most Respiratory Depression trials on record, review their full trial history before evaluating a specific study. See Enalare Therapeutics'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 Depression condition card totals 5 registered trials; most-linked intervention Capnostream; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.