Trial Outcomes & Findings for Prospective S&E Study of Wavefront-guided PRK for Myopia With iDesign Advanced Wavescan Studio™ System and Star S4 IR™ (NCT NCT02675751)

NCT ID: NCT02675751

Last Updated: 2025-02-04

Results Overview

At 6 months, UCVA of 20/40 was achieved in 100% (324/324) of eyes monocularly.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

167 participants

Primary outcome timeframe

6 months

Results posted on

2025-02-04

Participant Flow

235 subjects were consented in the study, of which all 167 subjects have both eyes treated for a total of 334 treated eyes.

Unit of analysis: Eyes

Participant milestones

Participant milestones
Measure
PRK Correction With iDesign System and STAR S4 IR Laser
Surgeons performed wavefront-guided PRK for the treatment of myopic refractive errors based upon measurements obtained with the iDesign System using the STAR S4 IR laser
Overall Study
STARTED
167 334
Overall Study
COMPLETED
151 302
Overall Study
NOT COMPLETED
16 32

Reasons for withdrawal

Reasons for withdrawal
Measure
PRK Correction With iDesign System and STAR S4 IR Laser
Surgeons performed wavefront-guided PRK for the treatment of myopic refractive errors based upon measurements obtained with the iDesign System using the STAR S4 IR laser
Overall Study
Lost to Follow-up
16

Baseline Characteristics

Prospective S&E Study of Wavefront-guided PRK for Myopia With iDesign Advanced Wavescan Studio™ System and Star S4 IR™

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
PRK Correction With iDesign System and STAR S4 IR Laser
n=334 Eyes
Surgeons performed wavefront-guided PRK for the treatment of myopic refractive errors based upon measurements obtained with the iDesign System using the STAR S4 IR laser
Age, Continuous
26.6 Years
STANDARD_DEVIATION 5.41 • n=5 Participants
Sex: Female, Male
Female
53 Participants
n=5 Participants
Sex: Female, Male
Male
114 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
3 Participants
n=5 Participants
Race (NIH/OMB)
Asian
12 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
22 Participants
n=5 Participants
Race (NIH/OMB)
White
110 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
20 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 6 months

Population: Of the 334 eyes (167 subjects) treated in the study, 324 eyes (162 subjects) were available at 6 months for analysis.

At 6 months, UCVA of 20/40 was achieved in 100% (324/324) of eyes monocularly.

Outcome measures

Outcome measures
Measure
PRK Correction With iDesign System and STAR S4 IR Laser
n=324 Eyes
Surgeons performed wavefront-guided PRK for the treatment of myopic refractive errors based upon measurements obtained with the iDesign System using the STAR S4 IR laser
The Percentage of Eyes Achieving the Target of Monocular Uncorrected Visual Acuity of 20/40 or Better
324 Eyes

Adverse Events

PRK Correction With iDesign System and STAR S4 IR Laser

Serious events: 10 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
PRK Correction With iDesign System and STAR S4 IR Laser
n=167 participants at risk
Surgeons performed wavefront-guided PRK for the treatment of myopic refractive errors based upon measurements obtained with the iDesign System using the STAR S4 IR laser
Eye disorders
Retinal Detachment
0.60%
1/167 • Number of events 1 • 12 months
Eye disorders
Anterior Uveitis
0.60%
1/167 • Number of events 1 • 12 months
Eye disorders
Corneal Abrasions
1.2%
2/167 • Number of events 2 • 12 months
Eye disorders
Corneal Infiltrate
1.2%
2/167 • Number of events 2 • 12 months
Eye disorders
Corneal Haze
1.2%
2/167 • Number of events 3 • 12 months
Eye disorders
Corneal Erosion
1.2%
2/167 • Number of events 2 • 12 months

Other adverse events

Adverse event data not reported

Additional Information

Sanjeev Kasthurirangan Ph.D.

Johnson & Johnson Surgical Vision

Phone: +1 408-273-4081

Results disclosure agreements

  • Principal investigator is a sponsor employee The sponsor must review results communications prior to public release and can embargo communications regarding trial results at any time.
  • Publication restrictions are in place

Restriction type: OTHER