Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
CRPS (Complex Regional Pain Syndromes) clinical trials
1 of 2 indexed CRPS (Complex Regional Pain Syndromes) trials are currently recruiting.
Corpus placement: #7,188 of 28,707 conditions by registered trial count.
2 US clinical trials · 1 currently recruiting · #7,188 of 28,707 conditions by registered trial count
CRPS (Complex Regional Pain Syndromes): 2 US clinical trials tracked, 1 recruiting.
CRPS (Complex Regional Pain Syndromes) is the subject of 2 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. The most active sponsor is Hospital for Special Surgery, New York, running 1 of these trials.
Enrollment posture brief
Registry condition crps-complex-regional-pain-syndromes
OPEN 1 | RECR 50% | LATE 0 | EARLY 0 | RANK #7188 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Abdominal Aortic Aneurysms (50% recruiting · 6 trials)
CRPS (Complex Regional Pain Syndromes) lists 1 open slots (50% of 2 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 CRPS (Complex Regional Pain Syndromes) 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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CRPS (Complex Regional Pain Syndromes) is recruiting above its size-band peers.
1 of 2 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
2 total, page 1 of 1
Intermittent Dosing of Dorsal Root Ganglion Stimulation as an Alternate Paradigm to Continuous Low-Frequency Therapy
Rush University Medical Center
NCT04909138
Forward Looking InfraRed Imaging and Severity Score in Complex Regional Pain Syndrome
Hospital for Special Surgery, New York
NCT05852210
Phase Distribution
Phase data not available
Top Sponsors
Named interventions
Most-linked intervention names on CRPS (Complex Regional Pain Syndromes) records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on CRPS (Complex Regional Pain Syndromes) 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 CRPS (Complex Regional Pain Syndromes) page
2 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 CRPS (Complex Regional Pain Syndromes) trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Hospital for Special Surgery, New York sponsors the most CRPS (Complex Regional Pain Syndromes) trials on record, review their full trial history before evaluating a specific study. See Hospital for Special Surgery, New York'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 CRPS (Complex Regional Pain Syndromes) condition card totals 2 registered trials; most-linked intervention Infrared Imaging; 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.