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Comparison of Standard vs. Accelerated Corneal Crosslinking

Randomized Comparison of Standard vs. Accelerated Corneal Crosslinking for Treatment of Progressive Keratoconus or Ectasia

Status
Completed
Phases
Phase 2Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03922542
Enrollment
508
Registered
2019-04-22
Start date
2019-04-16
Completion date
2026-06-30
Last updated
2026-09-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Ectasia Corneal, Keratoconus

Brief summary

The study objective is to compare accelerated and standard corneal crosslinking for treatment of progressive keratoconus or corneal ectasia.

Interventions

COMBINATION_PRODUCTriboflavin 0.1%

Use of riboflavin 0.1% eye drops and 9 mW/cm2 UVA light for 10 minutes

COMBINATION_PRODUCTRiboflavin 0.1%

Use of riboflavin 0.1% eye drops and 3 mW/cm2 UVA light for 30 minutes

Sponsors

Price Vision Group
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
10 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Documented keratoconus or ectasia after refractive surgery

Exclusion criteria

* Insufficient corneal thickness * Ocular condition that may predispose the eye to complications * History of chemical injury or delayed epithelial healing * Condition that would interfere with or prolong epithelial healing * Known sensitivity to treatment medications * Pregnancy

Design outcomes

Primary

MeasureTime frameDescription
Change in maximum keratometry6 monthsassessed by corneal tomography

Secondary

MeasureTime frameDescription
Change in corrected distance visual acuity6 monthsassessed with Snellen chart
Change in uncorrected distance visual acuity6 monthsassessed with Snellen chart

Countries

United States

Contacts

PRINCIPAL_INVESTIGATORFrancis W Price, Jr., MD

Price Vision Group

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Sep 18, 2026