Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Primary Insomnia: full-pipeline trial registry
A small indexed set (13 trials) with no open enrollment listed right now.
Corpus placement: #1,315 of 28,707 conditions by registered trial count.
13 US clinical trials · none currently recruiting · #1,315 of 28,707 conditions by registered trial count
Primary Insomnia: 13 US clinical trials tracked, none currently recruiting.
Primary Insomnia is the subject of 13 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 2 are in Phase 3-4 (later-stage) and 3 in Phase 1-2 (earlier-stage). The most active sponsor is University of Rochester, running 3 of these trials.
Enrollment posture brief
Registry condition primary-insomnia
OPEN 0 | RECR 0% | LATE 2 | EARLY 3 | RANK #1315 | SPON 3
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)
Primary Insomnia has no open enrollment in this registry pull (13 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 Primary Insomnia 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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Primary Insomnia is recruiting below its size-band peers.
0 of 13 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 Primary Insomnia research.
University of Rochester accounts for 3 of 13 trials (23.1%). 10 distinct sponsors appear on at least one study for this condition label.
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Most Primary Insomnia trials plan to enrol fewer than 100 people.
Median target enrolment is 40 among the 13 trials that report a genuine target (sentinel values excluded). 9 of those (69.2%) plan for fewer than 100 participants.
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Primary Insomnia splits between interventional and observational designs.
9 interventional and 4 observational studies make up this index (69.2% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Indexed trials (enrollment closed)
13 total, page 1 of 1
6-Month Chronic Efficacy & Safety Study of Eszopiclone in Adult Subjects With Primary Insomnia
Sumitomo Pharma America
NCT00352144
Comparison of Two Temperatures to Treat Insomnia
Cereve
NCT01790256
The Role of Partial Reinforcement in the Long Term Management of Insomnia
University of Pennsylvania
NCT00662155
Behavioral Insomnia Therapy in Primary Care
US Department of Veterans Affairs
NCT00105872
Two Contrasting Interventions for Sleep Management
University of Utah
NCT01804036
A High Density EEG Comparison of Sleep Patterns in Insomnia
University of Wisconsin, Madison
NCT01960452
The Effects of Modafinil on Waking Function and on Sleep in Individuals With Primary Insomnia
University of Rochester
NCT00124384
Metabolomics of Insomnia-Related Hyperarousal
University of Pennsylvania
NCT01957111
Mindfulness Versus Pharmacotherapy for Chronic Insomnia: A Pilot Study
University of Minnesota
NCT00515177
The Psychoneuroimmunology of Insomnia
University of Rochester
NCT00680771
Testing the Nocturnal Sleep Latency Profile in Primary Insomnia
University of Pittsburgh
NCT00167375
A Pilot Study Of The Effects Of Microcurrent On Three Sleep Surveys
Logan College of Chiropractic
NCT00520832
Sleep Homeostasis in Primary Insomnia
University of Rochester
NCT00256503
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 3 |
| Phase 3 | 1 |
| Phase 4 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Primary Insomnia records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Primary Insomnia 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 Primary Insomnia page
13 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- No Primary Insomnia trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
- University of Rochester sponsors the most Primary Insomnia trials on record, review their full trial history before evaluating a specific study. See University of Rochester'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 Primary Insomnia condition card totals 13 registered trials; most-linked intervention Zolpidem; top US site state Pennsylvania. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.