NCT03407755

Brief Summary

This blinded, randomized study compares the use of air and sulfur hexaflouride (SF6) tamponade in Descemet Membrane Endothelial Keratoplasty.

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
104

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Sep 2017

Typical duration for not_applicable

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

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

September 15, 2017

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

January 15, 2018

Completed
8 days until next milestone

First Posted

Study publicly available on registry

January 23, 2018

Completed
1.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2019

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2020

Completed
Last Updated

February 15, 2019

Status Verified

February 1, 2019

Enrollment Period

2.3 years

First QC Date

January 15, 2018

Last Update Submit

February 14, 2019

Conditions

Keywords

Intraocular gasPositioningDMEKEndothelial keratoplasty

Outcome Measures

Primary Outcomes (1)

  • Graft detachment

    Significant graft detachment: 1/3 of graft and affecting visual function. Measured by OCT.

    Occurence within 3 months postoperative

Secondary Outcomes (4)

  • Visual acuity

    3 months postoperative

  • Gas fill

    Serial measurements during postoperative week 1.

  • Positioning

    72 hours postoperative

  • Complications

    Occurence within 3 months postoperative

Study Arms (2)

Air

ACTIVE COMPARATOR

Intraocular 100% atmospheric air (anterior chamber).

Procedure: Intraocular gas

SF6

EXPERIMENTAL

Intraocular 20% sulphur hexaflouride (anterior chamber).

Procedure: Intraocular gas

Interventions

Participants randomized to either air or SF6 gas in the anterior chamber.

AirSF6

Eligibility Criteria

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

You may qualify if:

  • \- Eligible for DMEK surgey

You may not qualify if:

  • Related to ocular health
  • Re-DMEK or prior penetrating keratoplasty
  • Ocular hypertension resistant to topical medication
  • Previous vitrectomy
  • Minimally invasive glaucoma devices
  • Aphakia
  • Anterior chamber or iris claw lens
  • Implantable Collamer Lens (ICL)
  • Clinically significant corneal scarring
  • Central corneal thickness \>750 µm
  • BCVA \< 0.1
  • Related to general health
  • Not able to give informed consent
  • Inability to position correctly due to organic or psychological condition.
  • Related to surgical procedure
  • +8 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Glostrup Hospital, University of Copenhagen

Glostrup Municipality, 2600, Denmark

RECRUITING

MeSH Terms

Conditions

Fuchs' Endothelial Dystrophy

Condition Hierarchy (Ancestors)

Corneal Dystrophies, HereditaryCorneal DiseasesEye DiseasesEye Diseases, HereditaryGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and Abnormalities

Study Officials

  • Mark Alberti, MD

    Glostrup University Hospital, Copenhagen

    STUDY DIRECTOR

Central Study Contacts

Mark Alberti, MD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Masking Details
Surgeon and patient masked to choice of intraocular gas. Study coordinator not masked.
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Patients randomized to either air or sulfur hexafluoride (SF6)
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

January 15, 2018

First Posted

January 23, 2018

Study Start

September 15, 2017

Primary Completion

December 31, 2019

Study Completion

May 1, 2020

Last Updated

February 15, 2019

Record last verified: 2019-02

Locations