NCT04420429

Brief Summary

The aim of this study is to evaluate the effect of preoperative parameters on surgical results in Descemet Membrane Endothelial Keratoplasty (DMEK) surgery.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
43

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Jun 2019

Typical duration for all trials

Geographic Reach
1 country

1 active site

Status
completed

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

Study Start

First participant enrolled

June 1, 2019

Completed
12 months until next milestone

First Submitted

Initial submission to the registry

May 16, 2020

Completed
24 days until next milestone

First Posted

Study publicly available on registry

June 9, 2020

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2021

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

July 10, 2022

Completed
Last Updated

July 20, 2022

Status Verified

July 1, 2022

Enrollment Period

2.6 years

First QC Date

May 16, 2020

Last Update Submit

July 18, 2022

Conditions

Keywords

Descemet Membraneanterior chamber depthaxial lengthendothelial countDescemet membrane endothelial keratoplasty

Outcome Measures

Primary Outcomes (2)

  • Change in visual acuity

    Change from baseline

    Baseline and after surgery 1, 3, 6, and 12 months

  • Change in endothelial cell density

    Change from baseline

    after surgery 1, 3, 6, and 12 months

Secondary Outcomes (5)

  • Change in maximum (steepest) and minimum (flattest) keratometry values in the central corneal zone

    Baseline and after surgery 1, 3, 6, and 12 months

  • Change in anterior chamber depth

    Baseline and after surgery 1, 3, 6, and 12 months

  • Change in axial length

    Baseline and after surgery 1, 3, 6, and 12 months

  • Change in central pachymetry

    Baseline and after surgery 1, 3, 6, and 12 months

  • Change in intraocular pressure

    Baseline and after surgery 1, 3, 6, and 12 months

Other Outcomes (1)

  • Surgical complications

    During surgery

Study Arms (1)

Cohort

All patients

Procedure: Descemet membrane endothelial keratoplasty (DMEK)

Interventions

All participants underwent DMEK surgery

Cohort

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Patients who developed pseudophakic bullous keratopathy, Fuchs endothelial dystrophy, endothelial insufficiency after herpetic endotheliitis and associated permanent corneal edema and therefore DMEK surgery.

You may qualify if:

  • Scheduled to undergo Descemet membrane endothelial keratoplasty(DMEK)
  • aged 18 old older

You may not qualify if:

  • Patients with corneal pathology other than endothelial insufficiency
  • Glaucoma patients,
  • Patients who have previously had any keratoplasty procedure

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Beyoğlu Eye Training and Research Hospital

Istanbul, 34420, Turkey (Türkiye)

Location

Related Publications (1)

  • Cakmak S, Kirgiz A, Yildirim Y, Taskoparan S, Genc S, Agca A. The effect of anterior segment parameters on surgical success of Descemet membrane endothelial keratoplasty: a prospective study. Int Ophthalmol. 2023 Jan;43(1):197-205. doi: 10.1007/s10792-022-02416-0. Epub 2022 Jul 10.

MeSH Terms

Conditions

Fuchs' Endothelial DystrophyKeratitis, HerpeticMalocclusion

Condition Hierarchy (Ancestors)

Corneal Dystrophies, HereditaryCorneal DiseasesEye DiseasesEye Diseases, HereditaryGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesEye Infections, ViralEye InfectionsInfectionsHerpes SimplexHerpesviridae InfectionsDNA Virus InfectionsVirus DiseasesKeratitisTooth DiseasesStomatognathic Diseases

Study Officials

  • Semih Çakmak, MD

    Beyoglu Eye Training and Research Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Target Duration
1 Year
Sponsor Type
OTHER GOV
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

May 16, 2020

First Posted

June 9, 2020

Study Start

June 1, 2019

Primary Completion

December 31, 2021

Study Completion

July 10, 2022

Last Updated

July 20, 2022

Record last verified: 2022-07

Data Sharing

IPD Sharing
Will not share

Locations