A Clinical Trial to Evaluate Investigational Silicone Hydrogel Contact Lenses Worn Continuously for One Week
- Conditions
- Visual Disorder
- Interventions
- Device: etafilcon A (Reusable)Device: Investigational Lens 1Device: Investigational Lens 2Device: Investigational Lens 3Device: etafilcon A (1-Day)
- Registration Number
- NCT02543528
- Lead Sponsor
- Johnson & Johnson Vision Care, Inc.
- Brief Summary
This study is a prospective, randomized, double-masked, bilateral, dispensing, parallel-group clinical trial design. All subjects will participate in a 2-week daily disposable contact lens adaptation period prior to being randomized into one of the four extended wear lenses. The study has a total of 9 scheduled study visits and a total duration of \~197 days. The lenses will be replaced with a fresh pair after 6 nights / 7 days of wear.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 171
- The subject must read and understand English and sign the STATEMENT OF INFORMED CONSENT and receive a fully executed copy of the form.
- The subject must appear able and willing to adhere to the instructions set forth in this clinical protocol.
- The subject must be at least 18 and no more than 39 years of age.
- The subject's spherical equivalent distance refraction must be in the range of -1.00 to -5.50 diopters in each eye.
- The subject's refractive cylinder must be less than 1.00 diopters in each eye.
- The subject must have best corrected visual acuity of 20/30 or better in each eye.
- The subject must be without history of contact lens use in the past 12 months.
- The subject must have normal eyes (i.e., no ocular medications or infections of any type).
- Any previous experience wearing contact lenses on an overnight or extended wear basis (at least 1 night per month)
- Currently pregnant or lactating (self reported) (subjects who become pregnant during the study will be discontinued).
- Currently a regular smoker (1 or more times per month).
- Current routine swimmer (1 or more times per month).
- Any ocular or systemic allergies or diseases that may interfere with contact lens wear.
- Any systemic disease (ex. Sjögren's Syndrome), autoimmune disease (ex. rheumatoid arthritis), or use of medication (ex. chronic steroid use), which may interfere with contact lens wear.
- Entropion, ectropion, extrusions, chalazia, recurrent styes, glaucoma, history of recurrent corneal erosions, aphakia, or moderate or above corneal distortion by keratometry.
- Any previous or planned, ocular or interocular surgery (e.g., radial keratotomy, photorefractive keratectomy (PRK), laser in situ keratomileusis (LASIK), etc.).
- Any grade 3 or greater slit lamp findings (e.g., edema, corneal neovascularization, corneal staining, tarsal abnormalities, conjunctival injection) on the FDA classification scale, any previous history or signs of a contact lens-related corneal inflammatory event (e.g., past peripheral ulcer or round peripheral scar), or any other ocular abnormality that may contraindicate contact lens wear.
- Any ocular infection.
- Any corneal distortion resulting from previous hard or rigid gas permeable contact lens wear.
- Participation in any contact lens or lens care product clinical trial within 7 days prior to study enrollment.
- History of binocular vision abnormality or strabismus.
- Any infectious disease (e.g., hepatitis, tuberculosis) or a contagious immunosuppressive disease (e.g., HIV) by self report).
- Employee of investigational clinic (e.g., Investigator, Coordinator, Technician).
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- PARALLEL
- Arm && Interventions
Group Intervention Description etafilcon A (1-Day) and etafilcon A (Reusable) etafilcon A (1-Day) Prior to randomization, all subjects will participate in a 2-week contact lens adaptation period wearing etafilcon A (1-Day). Subjects will then be randomized to one of four experimental contact lenses to be worn continuously in 6 nights/7 days wear cycles for 6 months of total wear. etafilcon A (1-Day) and etafilcon A (Reusable) etafilcon A (Reusable) Prior to randomization, all subjects will participate in a 2-week contact lens adaptation period wearing etafilcon A (1-Day). Subjects will then be randomized to one of four experimental contact lenses to be worn continuously in 6 nights/7 days wear cycles for 6 months of total wear. etafilcon A (1-Day) and Investigational Lens 1 Investigational Lens 1 Prior to randomization, all subjects will participate in a 2-week contact lens adaptation period wearing etafilcon A (1-Day). Subjects will then be randomized to one of four experimental contact lenses to be worn continuously in 6 nights/7 days wear cycles for 6 months of total wear. etafilcon A (1-Day) and Investigational Lens 2 Investigational Lens 2 Prior to randomization, all subjects will participate in a 2-week contact lens adaptation period wearing etafilcon A (1-Day). Subjects will then be randomized to one of four experimental contact lenses to be worn continuously in 6 nights/7 days wear cycles for 6 months of total wear. etafilcon A (1-Day) and Investigational Lens 2 etafilcon A (1-Day) Prior to randomization, all subjects will participate in a 2-week contact lens adaptation period wearing etafilcon A (1-Day). Subjects will then be randomized to one of four experimental contact lenses to be worn continuously in 6 nights/7 days wear cycles for 6 months of total wear. etafilcon A (1-Day) and Investigational Lens 1 etafilcon A (1-Day) Prior to randomization, all subjects will participate in a 2-week contact lens adaptation period wearing etafilcon A (1-Day). Subjects will then be randomized to one of four experimental contact lenses to be worn continuously in 6 nights/7 days wear cycles for 6 months of total wear. etafilcon A (1-Day) and Investigational Lens 3 etafilcon A (1-Day) Prior to randomization, all subjects will participate in a 2-week contact lens adaptation period wearing etafilcon A (1-Day). Subjects will then be randomized to one of four experimental contact lenses to be worn continuously in 6 nights/7 days wear cycles for 6 months of total wear. etafilcon A (1-Day) and Investigational Lens 3 Investigational Lens 3 Prior to randomization, all subjects will participate in a 2-week contact lens adaptation period wearing etafilcon A (1-Day). Subjects will then be randomized to one of four experimental contact lenses to be worn continuously in 6 nights/7 days wear cycles for 6 months of total wear.
- Primary Outcome Measures
Name Time Method Number of First Occurred Serious and Significant Lens-related Corneal Infiltrative Event (CIE) Up to 6 months The number of first serious and significant corneal infiltrative adverse events deemed to be related to contact lens wear (possible, probable or very likely) during a 6-month period (contact lens extended wear period) was assessed via Biomicroscopy. A biomicroscope was used to detect the presence of a corneal infiltrate for each subject eye (Yes: corneal infiltrates detected, No: None present). The number of subjects with corneal infiltrative events was reported for each lens type.
- Secondary Outcome Measures
Name Time Method Overall Comfort Score Time Frame Up to 6 months Overall comfort was assessed using the Contact Lens User Experience (CLUE)TM questionnaire. CLUE is a validated patient-reported outcomes questionnaire to assess patient experience attributes of soft, disposable contact lenses (comfort, vision, handling, and packaging) in a contact-lens wearing population in the US, ages 18-65. Scores follow a normal distribution with a population average score of 60 (SD 20), where higher scores indicate a more favorable/positive response. 97% of the scores fall within 0 and 120 (mean +/-3XSD). CLUE was collected at the 1-day, 5-day, 12-day, 26-day, 88-day and 180-day follow-up evaluation.
Overall Vision Score Time Frame Up to 6 months Overall quality of vision score was assessed using the Contact Lens User Experience (CLUE)TM questionnaire. CLUE is a validated patient-reported outcomes questionnaire to assess patient experience attributes of soft, disposable contact lenses (comfort, vision, handling, and packaging) in a contact-lens wearing population in the US, ages 18-65. Scores follow a normal distribution with a population average score of 60 (SD 20), where higher scores indicate a more favorable/positive response. 97% of the scores fall within 0 and 120 (mean +/-3XSD). CLUE was collected at the 1-day, 5-day, 12-day, 26-day, 88-day and 180-day follow-up evaluation.
Trial Locations
- Locations (1)
Medical Research Foundation, Sankara Nethralaya
🇮🇳Chennai, India