A Study to Assess the Safety, Tolerability and Effect of Nexagon™ Applied to the Eye After PRK Laser Eye Surgery for Nearsightedness
A Phase 1 Randomized, Prospective, Double-Masked, Vehicle-Controlled, Dose-Escalation Study to Evaluate the Safety, Tolerability and Clinical Effect of Nexagon™ in Subjects Following Bilateral Photorefractive Keratectomy (PRK) for the Correction of Mild to Moderate Myopia.
1 other identifier
interventional
24
1 country
1
Brief Summary
Phase 1 randomized, prospective, double-masked, vehicle-controlled, dose-escalation study to evaluate the safety, tolerability and clinical effect of Nexagon™ in subjects following bilateral PRK for the correction of mild to moderate myopia.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_1
Started Apr 2008
Shorter than P25 for phase_1
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
April 1, 2008
CompletedFirst Submitted
Initial submission to the registry
April 3, 2008
CompletedFirst Posted
Study publicly available on registry
April 8, 2008
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2008
CompletedJanuary 8, 2009
January 1, 2009
5 months
April 3, 2008
January 6, 2009
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Incidence of adverse events
30 days post-application
Secondary Outcomes (1)
To evaluate the clinical effect of Nexagon™
30 days post-application
Study Arms (1)
1
EXPERIMENTALInterventions
Dose-escalation design in which cohorts of 6 subjects will be studied sequentially.
Eligibility Criteria
You may qualify if:
- Male or female pre-presbyopic myopes.
- Aged between 20 and 50 years inclusive.
- Females are eligible to participate only if they are currently non-pregnant and non-lactating. Females of child-bearing potential must commit to consistent and correct use of an acceptable method of birth control.
- Subjects willing and able to undergo bilateral PRK for the correction of their myopia.
- Subjects with MRSE \<6.0 D, with less than 2.0 D of astigmatism.
- No more than 1.0 D of refractive difference between eyes.
- Stable prescription in both eyes as defined by \<0.25 D change over the preceding 2 years.
- Subjects who are able to comply with all study procedures, including wearing a soft bandage contact lens in the immediate postoperative period.
- Subjects who are willing and able to give written informed consent to take part in the study.
You may not qualify if:
- Subjects who have a past or present disease, which as judged by the investigator may affect the safety of the subject or the outcome of the study.
- Subjects who have previously had corneal surgery.
- Subjects who require Mitomycin C following their PRK.
- Subjects with any ocular disease or corneal abnormality, including but not limited to:
- Decreased corneal sensation / neurotrophic cornea;
- Corneal vascularization;
- Keratoconus;
- Keratoconjunctivitis sicca requiring chronic treatment;
- Lagophthalmos;
- Blepharitis;
- History of infectious keratitis;
- History of glaucoma or intraocular pressure of \>21 mmHg or use of glaucoma medications;
- Significant dry eye disease that requires regular topical treatment;
- Corneal thickness \<480 µm at the thinnest point, and
- Posterior elevation \>40 mmHg.
- +10 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Auckland Eye Limited
Auckland, 1001, New Zealand
MeSH Terms
Conditions
Study Officials
- PRINCIPAL INVESTIGATOR
Sue Ormonde, MD, FRC Ophth, FRANZCO
Auckland Eye
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
Study Record Dates
First Submitted
April 3, 2008
First Posted
April 8, 2008
Study Start
April 1, 2008
Primary Completion
September 1, 2008
Study Completion
December 1, 2008
Last Updated
January 8, 2009
Record last verified: 2009-01