Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Intractable Pain: early-phase trial registry
2 of 3 indexed Intractable Pain trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #5,209 of 28,707 conditions by registered trial count.
3 US clinical trials · 2 currently recruiting · #5,209 of 28,707 conditions by registered trial count
Intractable Pain: 3 US clinical trials tracked, 2 recruiting.
Intractable Pain is the subject of 3 registered US clinical trials on ClinicalTrials.gov, 2 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is Diamyd, running 1 of these trials.
Enrollment posture brief
Registry condition intractable-pain
OPEN 2 | RECR 67% | LATE 0 | EARLY 2 | RANK #5209 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Acute Hypoxemic Respiratory Failure (67% recruiting · 6 trials)
Intractable Pain lists 2 open slots (67% of 3 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 Intractable Pain 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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Intractable Pain is recruiting above its size-band peers.
2 of 3 indexed trials (66.7%) 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
3 total, page 1 of 1
Managing Pain Using Optimized Sequences by Adjusting Parameters With Independent Current Control
Boston Scientific Corporation
NCT07190807
Resiniferatoxin to Treat Severe Pain Associated With Advanced Cancer
National Institute of Dental and Craniofacial Research (NIDCR)
NCT00804154
NP2 Enkephalin For Treatment of Intractable Cancer Pain
Diamyd
NCT01291901
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 2 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Intractable Pain records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Intractable Pain 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 Intractable Pain page
3 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 2 Intractable Pain trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Diamyd sponsors the most Intractable Pain trials on record, review their full trial history before evaluating a specific study. See Diamyd'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 Intractable Pain condition card totals 3 registered trials; most-linked intervention NP2; top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.