Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Paroxysmal Hemicrania: early-phase trial registry
2 of 2 indexed Paroxysmal Hemicrania trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #7,188 of 28,707 conditions by registered trial count.
2 US clinical trials · 2 currently recruiting · #7,188 of 28,707 conditions by registered trial count
Paroxysmal Hemicrania: 2 US clinical trials tracked, 2 recruiting.
Paroxysmal Hemicrania is the subject of 2 registered US clinical trials on ClinicalTrials.gov, 2 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is The University of Texas Health Science Center, Houston, running 1 of these trials.
Enrollment posture brief
Registry condition paroxysmal-hemicrania
OPEN 2 | RECR 100% | LATE 0 | EARLY 1 | RANK #7188 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Aortic Arch Aneurysm (100% recruiting · 5 trials)
Paroxysmal Hemicrania lists 2 open slots (100% 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 Paroxysmal Hemicrania 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.
-
Paroxysmal Hemicrania is recruiting above its size-band peers.
2 of 2 indexed trials (100%) 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
The Will Erwin Headache Research Center - Cluster Headache Study
The University of Texas Health Science Center, Houston
NCT02910323
Clinical Trial of Endoscopically Guided Injection of Exparel (Bupivacaine) for the Treatment of Craniofacial Pain
Stanford University
NCT04930887
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Paroxysmal Hemicrania records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Paroxysmal Hemicrania 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 Paroxysmal Hemicrania page
2 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 2 Paroxysmal Hemicrania trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- The University of Texas Health Science Center, Houston sponsors the most Paroxysmal Hemicrania trials on record, review their full trial history before evaluating a specific study. See The University of Texas Health Science Center, Houston'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 Paroxysmal Hemicrania condition card totals 2 registered trials; most-linked intervention Exparel (Bupivacaine Liposome); top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.