A Prospective Multi-Center Study of Anterior Lens Capsulotomy Using the Mynosys Zepto System

NCT ID: NCT02890303

Last Updated: 2018-04-27

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-09-12

Study Completion Date

2017-03-14

Brief Summary

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This study will evaluate outcome in subjects who have elected to have Zepto capsulotomies during cataract surgery with phacoemulsification.

Detailed Description

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This study will evaluate outcome in subjects who have elected to have Zepto capsulotomies during cataract surgery with phacoemulsification to evaluate safety and effectiveness. The primary effectiveness endpoint is a complete capsulotomy in at least 95 percent of the cases. The primary safety endpoint is posterior capsular rupture and virtuous loss in 4 percent or less of the subjects. Other parameters to be captured during the study include anterior capsule tears, corneal touch, capsulotomy diameter, contraption of the Zepto capsulotomy, size of the corneal incision pre and post Zepto, interocular lens contraption and evaluation of zonular stability and the incidence and severity of adverse events. The criteria for patient success will be accessed based on the successful completion of a 360 degree capsulotomy without tissue bridges and no posterior capsule rupture and vitreous loss. The criteria for study success will be accessed based on a greater than or equal to 95 percent of the cases having a complete 360 degree capsulotomy without tissue bridges and less than 4 percent of subjects with posterior capsule rupture and vitreous loss.

Conditions

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Cataract

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Zepto Capsulotomy

This study will evaluate outcome in subjects who have elected to have Zepto capsulotomies during cataract surgery. Effectiveness Rate - An effectiveness rate of 95% complete capsulotomies provides reasonable assurance that the Zepto system is effective. Primary Safety Endpoint - Posterior Capsular Rupture \& Vitreous Loss (4% or less)

Group Type EXPERIMENTAL

Zepto System

Intervention Type DEVICE

Anterior Capsulotomy using the Zepto System.

Interventions

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Zepto System

Anterior Capsulotomy using the Zepto System.

Intervention Type DEVICE

Other Intervention Names

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Zepto

Eligibility Criteria

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Inclusion Criteria

1. Subjects must be age 22 or older,
2. Subjects consenting to undergoing phacoemulsification and IOL implant surgery for the treatment of symptomatic age related lens cataract, and then electing to undergo ZeptoTM capsulotomy,
3. Subjects must be willing and able to return for scheduled treatment and follow-up examinations for 3 months.

Exclusion Criteria

1. Disease or pathology in the treatment eye that will compromise visual performance or refractive outcome (e.g. previous refractive surgery),
2. Zonular abnormality,
3. Posterior polar cataract,
4. Fellow eye with acuity less than 20/200,
5. Any prior ocular surgery of the study eye,
6. Pupillary dilation during the pre-operative exam of less than 7 mm in diameter,
7. Proliferative diabetic retinopathy,
8. Disorders of the ocular muscles, such as nystagmus or strabismus,
9. Chronic uveitis,
10. Abnormal corneal endothelium,
11. Subjects on medications with, in the opinion of the surgeon, significant ocular side effects,
12. Pregnant or nursing (lactating) women,
13. Implanted ocular device or drug in the study eye,
14. Any other condition, which in the judgment of the investigator would prevent the subject from completing the study (e.g. documented diagnosis or treatment for symptoms associated with dementia, mental illness),
15. Current participation in another drug or device clinical study, or participation in such a clinical study within the six months.
Minimum Eligible Age

22 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Mynosys Cellular Devices, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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William Christie, M.D.

Role: PRINCIPAL_INVESTIGATOR

Scott & Christie and Associates P C

Daniel H Chang, M.D.

Role: PRINCIPAL_INVESTIGATOR

Empire Eye and Laser Center

David F Chang, M.D.

Role: PRINCIPAL_INVESTIGATOR

Peninsula Eye Surgery Center

Eric D Donnenfeld, M.D.

Role: PRINCIPAL_INVESTIGATOR

Lasik Garden City

Philip C Hoopes, M.D.

Role: PRINCIPAL_INVESTIGATOR

Hoopes Vision

John Vukich, M.D.

Role: PRINCIPAL_INVESTIGATOR

Davis Duehr Dean Clinic

Farrell C Tyson II, M.D.

Role: PRINCIPAL_INVESTIGATOR

Cape Coral Eye Ctr Pa

Vance Thompson, M.D

Role: PRINCIPAL_INVESTIGATOR

Vance Thompson Vision

References

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Agrawal V, Upadhyay J; Indian Cataract Risk Stratification Study group. Validation of scoring system for preoperative stratification of intra-operative risks of complications during cataract surgery: Indian multi-centric study. Indian J Ophthalmol. 2009 May-Jun;57(3):213-5. doi: 10.4103/0301-4738.49396.

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Chan FM, Mathur R, Ku JJ, Chen C, Chan SP, Yong VS, Au Eong KG. Short-term outcomes in eyes with posterior capsule rupture during cataract surgery. J Cataract Refract Surg. 2003 Mar;29(3):537-41. doi: 10.1016/s0886-3350(02)01622-x.

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Greenberg PB, Tseng VL, Wu WC, Liu J, Jiang L, Chen CK, Scott IU, Friedmann PD. Prevalence and predictors of ocular complications associated with cataract surgery in United States veterans. Ophthalmology. 2011 Mar;118(3):507-14. doi: 10.1016/j.ophtha.2010.07.023. Epub 2010 Oct 29.

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Thompson VM, Berdahl JP, Solano JM, Chang DF. Comparison of Manual, Femtosecond Laser, and Precision Pulse Capsulotomy Edge Tear Strength in Paired Human Cadaver Eyes. Ophthalmology. 2016 Feb;123(2):265-274. doi: 10.1016/j.ophtha.2015.10.019. Epub 2015 Dec 23.

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Trivedi RH, Wilson ME Jr, Bartholomew LR. Extensibility and scanning electron microscopy evaluation of 5 pediatric anterior capsulotomy techniques in a porcine model. J Cataract Refract Surg. 2006 Jul;32(7):1206-13. doi: 10.1016/j.jcrs.2005.12.144.

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Androudi S, Brazitikos PD, Papadopoulos NT, Dereklis D, Symeon L, Stangos N. Posterior capsule rupture and vitreous loss during phacoemulsification with or without the use of an anterior chamber maintainer. J Cataract Refract Surg. 2004 Feb;30(2):449-52. doi: 10.1016/S0886-3350(03)00584-4.

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Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Informed Consent Form

View Document

Other Identifiers

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MYN-002

Identifier Type: -

Identifier Source: org_study_id

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