NCT05656885

Brief Summary

This was a single-blind (participant masked), interventional, prospective, direct refit, bilateral wear short-term fitting study.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
40

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Sep 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

September 27, 2022

Completed
21 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 18, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 18, 2022

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

December 2, 2022

Completed
17 days until next milestone

First Posted

Study publicly available on registry

December 19, 2022

Completed
1 year until next milestone

Results Posted

Study results publicly available

December 27, 2023

Completed
Last Updated

December 27, 2023

Status Verified

December 1, 2022

Enrollment Period

21 days

First QC Date

December 2, 2022

Results QC Date

November 9, 2023

Last Update Submit

December 4, 2023

Conditions

Outcome Measures

Primary Outcomes (1)

  • Lens Fit Acceptance Rating

    Measured on lens fit alone on a scale of 0-4 (0=Should not be used; 1=Limit, but unacceptable; 2=Minimum 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

Soft spherical hydrogel contact lens for 15 minutes

Lens A
Lens BDEVICE

Soft spherical silicone hydrogel contact lens for 15 minutes

Lens B

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
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 at least 8 hours a day, 5 days a week.
  • Is willing and able to follow instructions and maintain the appointment schedule.
  • Habitual soft contact lens wearers who currently wear sphere contact lenses, or use spectacles for all distances vision correction, for the past 3 months minimum.
  • Has refractive astigmatism no higher than -0.75DC.
  • Can be fit and achieve binocular distance vision of at least 20/30 Snellen (or +0.20 logMAR) which participants also deem to be 'acceptable', with the available study lens parameters (powers +8.00 to -12.00DS)

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)

University Complutense of Madrid

Madrid, 28037, Spain

Location

MeSH Terms

Conditions

MyopiaHyperopia

Condition Hierarchy (Ancestors)

Refractive ErrorsEye Diseases

Results Point of Contact

Title
Dr. Jose A Vega OD, MSc, FAAO
Organization
CooperVision Inc.

Study Officials

  • Juan G Carracedo Rodríguez, OD,MSc,PhD

    University Complutense of Madrid

    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

December 2, 2022

First Posted

December 19, 2022

Study Start

September 27, 2022

Primary Completion

October 18, 2022

Study Completion

October 18, 2022

Last Updated

December 27, 2023

Results First Posted

December 27, 2023

Record last verified: 2022-12

Locations