NCT02843594

Brief Summary

The purpose of this research study is to evaluate the clinical outcomes of different cataract surgical techniques for lens fragmentation in subjects undergoing routine cataract surgery.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
500

participants targeted

Target at P75+ for phase_4

Timeline
Completed

Started Aug 2016

Typical duration for phase_4

Geographic Reach
1 country

1 active site

Status
unknown

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

First Submitted

Initial submission to the registry

July 20, 2016

Completed
6 days until next milestone

First Posted

Study publicly available on registry

July 26, 2016

Completed
6 days until next milestone

Study Start

First participant enrolled

August 1, 2016

Completed
1.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2018

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2018

Completed
Last Updated

August 24, 2016

Status Verified

August 1, 2016

Enrollment Period

1.9 years

First QC Date

July 20, 2016

Last Update Submit

August 22, 2016

Conditions

Outcome Measures

Primary Outcomes (1)

  • Cumulative Dispersed Phaco energy

    Total phaco power and energy used as recorded by the phaco machine

    Intraoperative

Secondary Outcomes (1)

  • Endothelial cell loss

    1 month

Study Arms (3)

LEEP Intervention C1

ACTIVE COMPARATOR

Cataract surgery with micro-interventional LEEP technology lens fragmentation (non-randomized cohort 1)

Procedure: LEEP intervention

LEEP Intervention C2

ACTIVE COMPARATOR

Cataract surgery with micro-interventional LEEP technology lens fragmentation (randomized cohort 2)

Procedure: LEEP intervention

Control Phaco C2

PLACEBO COMPARATOR

Cataract surgery with conventional phaco-assisted lens fragmentation (randomized cohort 2)

Procedure: Standard Phaco Control

Interventions

Low Energy Endosafe Phaco (LEEP) with micro-interventional lens fragmentation

LEEP Intervention C1LEEP Intervention C2
Control Phaco C2

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Able to understand study requirements, willing to follow study instructions and willing to return for required study follow-up visits as confirmed by provision of written informed consent.
  • Subjects with a visually significant cataract scheduled to undergo cataract surgery
  • Subjects \> 18 years of age
  • BCVA at baseline not better than 20/40
  • Grade 1+ cataracts

You may not qualify if:

  • Subjects not able to complete the informed consent form
  • Subjects \< 18 years of age
  • Polar cataracts
  • Zonular instability

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Clinica de Ojos Panama City

Panama City, Panama

RECRUITING

Related Publications (1)

  • Ianchulev T, Chang DF, Koo E, MacDonald S, Calvo E, Tyson FT, Vasquez A, Ahmed IIK. Microinterventional endocapsular nucleus disassembly: novel technique and results of first-in-human randomised controlled study. Br J Ophthalmol. 2019 Feb;103(2):176-180. doi: 10.1136/bjophthalmol-2017-311766. Epub 2018 Apr 18.

MeSH Terms

Conditions

Cataract

Condition Hierarchy (Ancestors)

Lens DiseasesEye Diseases

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 20, 2016

First Posted

July 26, 2016

Study Start

August 1, 2016

Primary Completion

July 1, 2018

Study Completion

September 1, 2018

Last Updated

August 24, 2016

Record last verified: 2016-08

Data Sharing

IPD Sharing
Will share

Locations