Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Post Herpetic Neuralgia: later-stage trial registry
1 of 5 indexed Post Herpetic Neuralgia trials are currently recruiting, with more weight in Phase 3-4.
Corpus placement: #3,391 of 28,707 conditions by registered trial count.
5 US clinical trials · 1 currently recruiting · #3,391 of 28,707 conditions by registered trial count
Post Herpetic Neuralgia: 5 US clinical trials tracked, 1 recruiting.
Post Herpetic Neuralgia is the subject of 5 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 2 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is University of California, San Francisco, running 2 of these trials.
Enrollment posture brief
Registry condition post-herpetic-neuralgia
OPEN 1 | RECR 20% | LATE 2 | EARLY 1 | RANK #3391 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive (20% recruiting · 10 trials)
Post Herpetic Neuralgia lists 1 open slots (20% of 5 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 Post Herpetic Neuralgia 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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Post Herpetic Neuralgia is recruiting below its size-band peers.
1 of 5 indexed trials (20%) 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 Post Herpetic Neuralgia research.
University of California, San Francisco accounts for 2 of 5 trials (40%). 4 distinct sponsors appear on at least one study for this condition label.
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Most Post Herpetic Neuralgia trials plan to enrol fewer than 100 people.
Median target enrolment is 62 among the 5 trials that report a genuine target (sentinel values excluded). 3 of those (60%) plan for fewer than 100 participants.
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Post Herpetic Neuralgia research is mostly interventional.
5 interventional and 0 observational studies make up this index (100% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
5 total, page 1 of 1
Closed-Loop Deep Brain Stimulation for Refractory Chronic Pain
University of California, San Francisco
NCT04144972
Transcranial Magnetic Stimulation for Chronic Neuropathic Pain
University of California, San Francisco
NCT05593237
A Study to Evaluate the Safety and Efficacy of Topically Applied TV 45070 Ointment in Patients With Postherpetic Neuralgia (PHN)
Teva Branded Pharmaceutical Products R&D
NCT02365636
Study of Pregabalin Therapy for Pain Relief in Subjects With Post-Herpetic Neuralgia
Pfizer's Upjohn has merged with Mylan to form Viatris
NCT00159666
A Study Of Lidocaine Patch 5% Alone, Gabapentin Alone, And Lidocaine Patch 5% And Gabapentin In Combination For The Relief Of Pain In Patients With Diverse Peripheral Neuropathic Pain Conditions
Endo Pharmaceuticals
NCT00904202
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 1 |
| Phase 4 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Post Herpetic Neuralgia records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Post Herpetic Neuralgia 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 Post Herpetic Neuralgia page
5 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 Post Herpetic Neuralgia trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- University of California, San Francisco sponsors the most Post Herpetic Neuralgia trials on record, review their full trial history before evaluating a specific study. See University of California, San Francisco'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 Post Herpetic Neuralgia condition card totals 5 registered trials; most-linked intervention Gabapentin 300 mg capsules 1800 mg/day + placebo patch; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.