Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Nerve Block: later-stage trial registry
1 of 5 indexed Nerve Block 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
Nerve Block: 5 US clinical trials tracked, 1 recruiting.
Nerve Block is the subject of 5 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 0 in Phase 1-2 (earlier-stage). The most active sponsor is George Macrinici, running 1 of these trials.
Enrollment posture brief
Registry condition nerve-block
OPEN 1 | RECR 20% | LATE 1 | EARLY 0 | RANK #3391 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive (20% recruiting · 10 trials)
Nerve Block 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 Nerve Block 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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Nerve Block 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 Nerve Block research.
George Macrinici accounts for 1 of 5 trials (20%). 5 distinct sponsors appear on at least one study for this condition label.
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Most Nerve Block trials plan to enrol fewer than 100 people.
Median target enrolment is 64 among the 5 trials that report a genuine target (sentinel values excluded). 4 of those (80%) plan for fewer than 100 participants.
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Nerve Block 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
Comparison of Interscalene Catheter to Single Injection Interscalene Blocks for Total Shoulder Arthroplasties
Melinda Seering
NCT05868330
Study to Evaluate ACB Versus FNB Early Postoperative Period Functional Outcomes After TKA
George Macrinici
NCT02218814
Pudendal Nerve Block in Vaginal Surgery
MetroHealth Medical Center
NCT04198714
Pain Control in Hip Arthroscopy: Comparing Lumbar Plexus Versus Peri-capsular Injection
Washington Orthopaedics and Sports Medicine
NCT03244631
Lumbar Plexus Block vs Fascia Iliaca Block After Hip Arthroscopy
University of Pennsylvania
NCT02882633
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 4 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Nerve Block records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Nerve Block 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 Nerve Block page
5 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 Nerve Block trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- George Macrinici sponsors the most Nerve Block trials on record, review their full trial history before evaluating a specific study. See George Macrinici'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 Nerve Block condition card totals 5 registered trials; most-linked intervention Femoral Nerve Block, Bupivacaine; top US site state Pennsylvania. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.