Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Generalized Tonic Clonic Seizure: later-stage trial registry
A small indexed set (3 trials) with no open enrollment listed right now.
Corpus placement: #5,209 of 28,707 conditions by registered trial count.
3 US clinical trials · none currently recruiting · #5,209 of 28,707 conditions by registered trial count
Generalized Tonic Clonic Seizure: 3 US clinical trials tracked, none currently recruiting.
Generalized Tonic Clonic Seizure is the subject of 3 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 2 are in Phase 3-4 (later-stage) and 0 in Phase 1-2 (earlier-stage). The most active sponsor is Michael A. Gelfand, MD, PhD, running 1 of these trials.
Enrollment posture brief
Registry condition generalized-tonic-clonic-seizure
OPEN 0 | RECR 0% | LATE 2 | EARLY 0 | RANK #5209 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)
Generalized Tonic Clonic Seizure has no open enrollment in this registry pull (3 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 Generalized Tonic Clonic Seizure 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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Generalized Tonic Clonic Seizure is recruiting below its size-band peers.
0 of 3 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.
Indexed trials (enrollment closed)
3 total, page 1 of 1
RNS System NAUTILUS Study
NeuroPace
NCT05147571
A Study to Investigate the Efficacy and Safety of ZX008 in Subjects With CDKL5 Deficiency Disorder
Zogenix
NCT05064878
Novel Helmet Design in Patients With Seizures
Michael A. Gelfand, MD, PhD
NCT03443388
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 3 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Generalized Tonic Clonic Seizure records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Generalized Tonic Clonic Seizure 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 Generalized Tonic Clonic Seizure page
3 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- No Generalized Tonic Clonic Seizure trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
- Michael A. Gelfand, MD, PhD sponsors the most Generalized Tonic Clonic Seizure trials on record, review their full trial history before evaluating a specific study. See Michael A. Gelfand, MD, PhD'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 Generalized Tonic Clonic Seizure condition card totals 3 registered trials; most-linked intervention Hövding inflatable helmet; top US site state Pennsylvania. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.