Clinical Evaluation of a Silicone Hydrogel Daily Wear Monthly Replacement Contact Lens
Public ClinicalTrials.gov record NCT04422990. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this clinical study is to evaluate the safety and performance of an investigational soft contact lens compared to a commercially available soft contact lens when worn in a daily wear modality.
Study identification
- NCT ID
- NCT04422990
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 158 participants
Conditions and interventions
Conditions
Interventions
- Lehfilcon A contact lenses Device
- Comfilcon A contact lenses Device
- CLEAR CARE Device
Device
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Oct 1, 2020 (Actual)
- Primary completion
- Feb 22, 2021 (Actual)
- Completion
- May 18, 2021 (Actual)
- Last update posted
- Mar 29, 2022
2020 – 2021
United States locations
- U.S. sites
- 14
- U.S. states
- 8
- U.S. cities
- 13
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Alcon Investigative Site | Los Angeles | California | 90012 | — |
| Alcon Investigative Site | Novato | California | 94945 | — |
| Alcon Investigative Site | Oakland | California | 94513 | — |
| Alcon Investigative Site | Oakland | California | 94607 | — |
| Alcon Investigative Site | San Francisco | California | 94122 | — |
| Alcon Investigative Site | Orlando | Florida | 32803 | — |
| Alcon Investigative Site | West Palm Beach | Florida | 33405 | — |
| Alcon Investigative Site | Downers Grove | Illinois | 60515 | — |
| Alcon Investigative Site | Louisville | Kentucky | 40221 | — |
| Alcon Investigative Site | New York | New York | 10036 | — |
| Alcon Investigative Site | Cleveland | Ohio | 44106 | — |
| Alcon Investigative Site | Boiling Springs | South Carolina | 29316 | — |
| Alcon Investigative Site | Plano | Texas | 75093 | — |
| Alcon Investigative Site | Wichita Falls | Texas | 76308 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04422990, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Mar 29, 2022 · Synced Oct 17, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT04422990 live on ClinicalTrials.gov.