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CataractNCT04698278

Panoptix Trifocal Lens in Post Refractive Myopic Laser Vision Correction Surgery

An observational study of Cataract and Refractive Errors, run by Parkhurst NuVision Clinical Research LLC at 1 site in United States.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

The two main objectives of this study are to demonstrate safety and effectiveness of implanting the PanOptix Trifocal IOL in patients who have had previous myopic Lasik. The primary objectives to demonstrate clinical safety will be the quality of vision questionnaire (QUVID) which will demonstrate the patient's… Read more about this study

Who is it for?
Ages 22 years and olderHealthy volunteers can take part
Conditions the study is for
Cataract, Refractive Errors
What is being tested?
PanOptix Trifocal Intraocular Lens
Type of treatment
Medical device
How many people
20 participants
Where
1 siteUnited States
Study dates
8 Mar 2021to 1 Jul 2022
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 22 years and older
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Study population: Bilateral cataracts in individuals who have had prior myopic laser assisted in situ keratomileusis or photorefractive keratectomy. Topography ablation patterns need to be well centered, and the corneal higher order aberration number needs to be less than 0.6 um for a 4 mm pupillary diameter on the itrace. PanOptix IOL power will be selected by utilizing the American Society of Cataract and Refractive Surgery online post refractive calculator: https://iolcalc.ascrs.org/. In addition, this IOL power calculation will be confirmed with Alcon's intraoperative ORA aberrometer.

Who may be able to join

  • Adults, 22 years of age or older at the time of surgery, diagnosed with bilateral cataracts with planned cataract removal by phacoemulsification with a clear cornea incision
  • Previous myopic Lasik with a well centered optical zone, corneal higher-order aberrations less than 0.6 um for a 4 mm pupil (measured by iTrace), and a minimum keratometric reading of 35.0 D.
  • Able to comprehend and willing to sign informed consent and complete all required postoperative follow-up procedures
  • Best Corrected Distance Visual Acuity (BCDVA) projected to be 0.2 logMAR (Minimum Angle of Resolution) or better
  • Calculated lens power within the available range
  • Preoperative keratometric astigmatism at or less than 2.5 D in both operative eyes
  • Clear intraocular media other than cataract in both eyes

Who cannot join

  • Clinically significant corneal abnormalities including corneal dystrophy, irregularity, inflammation or edema.
  • Previous intraocular surgery other than myopic Lasik
  • History of or current retinal conditions or predisposition to retinal conditions
  • Amblyopia
  • Rubella, congenital, traumatic, or complicated cataracts
  • History of or current anterior or posterior segment inflammation of any etiology
Show all 12Show fewer
  • Iris neovascularization
  • Glaucoma (uncontrolled or controlled with medication)
  • Optic nerve atrophy
  • Subjects with diagnosed degenerative eye disorders
  • Pregnancy or lactation
  • Any disease or pathology, other than cataract, that is expected to reduce the potential postoperative BCDVA to a level worse than 0.30 logMAR.

Trial locations and contacts

1 site in 1 country.

Brett H Mueller, D.O., Ph.D. contact

2105852020

bmueller@nuvisiontx.com

Greg Parkhurst, M.D. contact

2105852020

gparkhurst@nuvisiontx.com

United States1 site, 1 recruiting
  • Parkhurst NuVision

    San Antonio, Texas, 78229

    Brett Mueller, DO, PhD, 210-851-9587, bmueller@nuvisiontx.com

    Brett H Mueller, DO, PhD, 2108519587

    Recruiting

Other trials in United States

About this study

Official title: Post-Approval Study of the Panoptix Trifocal Lens in Patients Who Have Had Post Refractive Myopic Laser Vision Correction Surgery

The two main objectives of this study are to demonstrate safety and effectiveness of implanting the PanOptix Trifocal IOL in patients who have had previous myopic Lasik. The primary objectives to demonstrate clinical safety will be the quality of vision questionnaire (QUVID) which will demonstrate the patient's perception of halos, glares, and starbursts before and after the implantation of the trifocal IOL.

The primary objective to demonstrate clinical effectiveness will be done by measuring visual outcomes at distance, intermediate, and near. In addition, the patients will also fill out the spectacle independence questionnaire (IOLSAT Questionnaire) to determine their level of glasses independence postoperatively. In addition, at the conclusion of the study the patient will also fill out a patient satisfaction survey.

Read the detailed description

Clinical Hypothesis:

The rate of bothersome visual symptom items (defined as a very or extremely bothersome visual symptom that impacts daily living under overall condition) for the patients who are post-refractive who receive a PanOptix Trifocal IOL at the time of cataract surgery will be assessed. The bothersome visual symptom items of interest are halos, glare, and starbursts. Patients will also be assessed on level of glasses independence with an assessment of both corrected and uncorrected distance, intermediate, and near vision. Lastly patient satisfaction score will also be determined.

OVERALL STUDY DESIGN This is a prospective, single center, bilateral, non-randomized, open-label, observational clinical study. All patients will have had prior myopic Lasik and will receive a PanOptix Trifocal IOL in both eyes at the time of cataract surgery. These patients will then be followed for up to 6-months to assess their refractive predictability, quality of vision, spectacle independence, and overall patient satisfaction.

Duration:

6 months; however, any subject that undergoes a lens repositioning procedure due to IOL misalignment, or reports "very" or "extreme" overall bother that impacts daily living for any of the 3 defined bothersome visual symptoms (halos, glare, or starbursts) at 6 months, will be followed through 1 year postoperatively.

Administration:

Surgeons will perform routine small-incision, femtosecond laser assisted, cataract surgery and use the Alcon-recommended implantation systems for lens implantation. Refractive target outcomes will be emmetropia for both eyes.

Visit Schedule:

Subjects will be bilaterally implanted; the second eye is to be implanted within approximately one month after the first-eye surgery.

All subjects will undergo a minimum of 10 visits:

  1. Preoperative for both eyes
  2. Surgical Procedure for each individual eye
  3. 1-day and 1-week visits for each eye
  4. 1-month, 3-month, and 6-month visits for both eyes together
  5. In addition, a 1-year postoperative visit will be required for subjects who undergo a lens repositioning procedure due to IOL misalignment at any time during the study, and for subjects who report "very" or "extreme" overall bother that impacts daily living for any of the 3 defined bothersome visual symptoms (halos, glare, or starbursts) at 6 months.
Being tested
PanOptix Trifocal Intraocular Lens
Medical subject headings
Cataract, Refractive Errors

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • PanOptix Trifocal Intraocular LensDevice

    This is a FDA approved trifocal lens that will be placed in patients who have had previous myopic LASIK or PRK.

Study groups in NCT04698278
Study groupRoleWhat they receive
Surgical Treatment GroupThis is a prospective, single center, bilateral, non-randomized, open-label, observational clinical study. All patients will have had prior myopic Lasik and will receive a PanOptix Trifocal IOL in both eyes at the time of cataract surgery. These patients will then be followed for up to 6-months to assess their refractive predictability, quality of vision, spectacle independence, and overall patient satisfaction.
Receives: Device: PanOptix Trifocal Intraocular Lens

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Quality of vision questionnaire (QUVID)

    Will assess patient complaints of glares, halos and starbursts after implantation of the trifocal PanOptix lens. Each of these three symptoms will be assessed on how often they occur, severity of each symptom, and how bothersome they are for the patient. The patient will rank the how often they occur as never, rarely, sometimes, most of the time, and always. The patient will rank severity of their worst experience as: none, a little, mild, moderate, and severe. And the patient will rank how bothered they are by each of these symptoms as: not bothered at all, bothered a little bit, bothered somewhat, bothered quite a bit, or bothered very much.

    Measured: 3 months post surgery

  2. Quality of vision questionnaire (QUVID)

    Will assess patient complaints of glares, halos and starbursts after implantation of the trifocal PanOptix lens. Each of these three symptoms will be assessed on how often they occur, severity of each symptom, and how bothersome they are for the patient. The patient will rank the how often they occur as never, rarely, sometimes, most of the time, and always. The patient will rank severity of their worst experience as: none, a little, mild, moderate, and severe. And the patient will rank how bothered they are by each of these symptoms as: not bothered at all, bothered a little bit, bothered somewhat, bothered quite a bit, or bothered very much.

    Measured: 6 months post surgery

  3. Patient Vision Satisfaction Survey

    Will look at the level of patient satisfaction with their overall visual quality. Patient will be asked to grade their visual satisfaction as being very satisfied, satisfied, neither satisfied nor dissatisfied, or dissatisfied.

    Measured: 3 months post surgery

  4. Patient Vision Satisfaction Survey

    Will look at the level of patient satisfaction with their overall visual quality. Patient will be asked to grade their visual satisfaction as being very satisfied, satisfied, neither satisfied nor dissatisfied, or dissatisfied.

    Measured: 6 months post surgery

  5. Spectacle Independence Questionnaire (IOLSAT Questionnaire)

    Will look at the level of spectacle independence in patients who receive the trifocal PanOptix IOL for their cataracts. Patients will be asked how often they need to wear glasses for near, intermediate, and distant activities in both dim and bright lighting conditions. These will be graded as rarely, sometimes, most of the time, and all the time. Patients will also be asked to characterize their overall visual quality without glasses at near, intermediate, and distant activities in dim and bright lighting conditions. Patients will rank these as: very poor, poor, fair, good, or very good.

    Measured: 3 months post surgery

  6. Spectacle Independence Questionnaire (IOLSAT Questionnaire)

    Will look at the level of spectacle independence in patients who receive the trifocal PanOptix IOL for their cataracts. Patients will be asked how often they need to wear glasses for near, intermediate, and distant activities in both dim and bright lighting conditions. These will be graded as rarely, sometimes, most of the time, and all the time. Patients will also be asked to characterize their overall visual quality without glasses at near, intermediate, and distant activities in dim and bright lighting conditions. Patients will rank these as: very poor, poor, fair, good, or very good.

    Measured: 6 months post surgery

  7. Mean photopic monocular and binocular best corrected and uncorrected visual acuity at distance (6 meters), intermediate (60 cm), and near (40 cm).

    Will assess vision at these 3 focal points

    Measured: 3 months post surgery

  8. Mean photopic monocular and binocular best corrected and uncorrected visual acuity at distance (6 meters), intermediate (60 cm), and near (40 cm).

    Will assess vision at these 3 focal points

    Measured: 6 months post surgery

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted6 Jan 2021
  2. Study start8 Mar 2021
  3. Primary completion1 Jan 2022 (estimated)
  4. Study completion1 Jul 2022 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
20 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04698278
Sponsor's protocol ID
TFL210
Status last verified
Mar 2021
First submitted
2 Dec 2020
Last updated
17 Mar 2021
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
Yes
Individual data sharing
Undecided: We plan to present this data at research meetings and in research journals pertinent to ophthalmology.

Questions about this trial

What is this clinical trial studying?

An observational study of Cataract and Refractive Errors, run by Parkhurst NuVision Clinical Research LLC at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 7 inclusion and 12 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 17 Mar 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Contact Brett H Mueller, D.O., Ph.D. (2105852020, bmueller@nuvisiontx.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Quality of vision questionnaire (QUVID) (time frame: 3 months post surgery). The study lists 8 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 17 Mar 2021.

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