Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Photorefractive Keratectomy: early-phase 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
Photorefractive Keratectomy: 3 US clinical trials tracked, none currently recruiting.
Photorefractive Keratectomy is the subject of 3 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 1 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is Alcon Research, running 1 of these trials.
Enrollment posture brief
Registry condition photorefractive-keratectomy
OPEN 0 | RECR 0% | LATE 1 | EARLY 2 | RANK #5209 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)
Photorefractive Keratectomy 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 Photorefractive Keratectomy 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.
-
Photorefractive Keratectomy 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
Processed Amniotic Fluid (PAF) Drops After Photorefractive Keratectomy (PRK)
University of Utah
NCT04281004
A Comparison of Topical Nepafenac to Placebo in Corneal Epithelial Healing Times and Postoperative Pain Relief
Alcon Research
NCT00330798
Cannabinoid vs Opioid for Photorefractive Keratectomy Pain Control
University of Florida
NCT05477875
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 2 | 1 |
| Phase 4 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Photorefractive Keratectomy records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Photorefractive Keratectomy 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 Photorefractive Keratectomy page
3 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- No Photorefractive Keratectomy trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
- Alcon Research sponsors the most Photorefractive Keratectomy trials on record, review their full trial history before evaluating a specific study. See Alcon Research'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 Photorefractive Keratectomy condition card totals 3 registered trials; most-linked intervention oral codeine/acetaminophen; top US site state Utah. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.