NCT05516082

Brief Summary

This was a single-blind, interventional, prospective, direct refit, bilateral wear, fixed-sequence crossover study.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
41

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Aug 2022

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

August 8, 2022

Completed
15 days until next milestone

First Submitted

Initial submission to the registry

August 23, 2022

Completed
2 days until next milestone

First Posted

Study publicly available on registry

August 25, 2022

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 12, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 12, 2022

Completed
1.1 years until next milestone

Results Posted

Study results publicly available

November 28, 2023

Completed
Last Updated

November 28, 2023

Status Verified

October 1, 2022

Enrollment Period

2 months

First QC Date

August 23, 2022

Results QC Date

October 11, 2023

Last Update Submit

November 9, 2023

Conditions

Outcome Measures

Primary Outcomes (1)

  • Lens Fit Acceptance

    Measured on a scale of 0-4 (0 = Should not be worn, 1 = Borderline but unacceptable, 2 = Min. acceptable, early review, 3 = Not perfect but OK to dispense, 4 = Perfect) as assessed by an investigator.

    15 minutes

Study Arms (2)

Lens A

EXPERIMENTAL

All participants wore Lens A for 15 minutes (Period 1)

Device: Lens A

Lens B

EXPERIMENTAL

All participants wore Lens B for 15 minutes (Period 2)

Device: Lens B

Interventions

Lens ADEVICE

DDH contact lens for 15 minutes

Lens A
Lens BDEVICE

DDSH contact lens for 15 minutes

Lens B

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Is at least 18 years of age and has full legal capacity to volunteer.
  • Has read and signed an information consent letter.
  • Self-reports having a full eye examination in the previous two years.
  • Anticipates being able to wear the study lenses for the required time of the study.
  • Is willing and able to follow instructions and maintain the appointment schedule.
  • Has refractive astigmatism no higher than -0.75 DC.
  • Can be fit with the available lens parameters (sphere +8.00 to -10.00D).
  • Can achieve binocular distance vision of at least 20/30 Snellen (logMAR 0.18) with the study contact lenses.

You may not qualify if:

  • Is participating in any concurrent clinical or research study.
  • Has any known active ocular disease and/or infection that contraindicates contact lens wear.
  • Has a systemic condition that in the opinion of the investigator may affect a study outcome variable.
  • Is using any systemic or topical medications that in the opinion of the investigator may affect contact lens wear or a study outcome variable.
  • Has known sensitivity to the diagnostic sodium fluorescein used in the study.
  • Self-reports as pregnant, lactating or planning a pregnancy at the time of enrolment.
  • Has undergone refractive error surgery or intraocular surgery.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Dr. Ruben Velazquez Private Practice

Mexico City, 06700, Mexico

Location

MeSH Terms

Conditions

Refractive Errors

Condition Hierarchy (Ancestors)

Eye Diseases

Results Point of Contact

Title
José A. Vega OD, MSc, FAAO
Organization
CooperVision, Inc.

Study Officials

  • Rubén V Guerrero, MSc., FIACLE

    Dr. Ruben Velazquez Private Practice

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
CROSSOVER
Model Details: All participants received Lens A and then Lens B in fixed-sequence order.
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 23, 2022

First Posted

August 25, 2022

Study Start

August 8, 2022

Primary Completion

October 12, 2022

Study Completion

October 12, 2022

Last Updated

November 28, 2023

Results First Posted

November 28, 2023

Record last verified: 2022-10

Locations