Completed NA INTERVENTIONAL 2-arm NCT01582789

Comparative Study of Two Marketed Spherical Soft Contact Lenses

Clinical Evaluation of CooperVision's Avaira Spherical Daily Wear Soft Contact Lens Versus Vistakon's Oasys Spherical Daily Wear Soft Contact Lens

Sponsor: CooperVision, Inc.

Conditions Refractive Error

Interventions enfilcon A senofilcon A

Updated 9 times since 2017 Last updated: Oct 5, 2020 Started: Apr 9, 2012 Primary completion: May 31, 2012 Completion: Jul 31, 2012

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A NA clinical study on Refractive Error, this trial is completed. The trial is conducted by CooperVision, Inc. and has accumulated 9 data snapshots since 2012. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

Change History

9 versions recorded

May 2025 — Present [monthly]

Completed NA
Jan 2025 — May 2025 [monthly]

Completed NA
Sep 2024 — Jan 2025 [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Jan 2021 — Jul 2024 [monthly]

Completed NA

▶ Show 4 earlier versions

Nov 2020 — Jan 2021 [monthly]

Completed NA

Phase: PHASE4 → NA
Jun 2018 — Nov 2020 [monthly]

Completed PHASE4
Feb 2017 — Jun 2018 [monthly]

Completed PHASE4
Jan 2017 — Feb 2017 [monthly]

Completed PHASE4

First recorded

Apr 2012

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

CooperVision, Inc.

Data source: CooperVision International Limited (CVIL)

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Pismo Beach, United States
• San Diego, United States