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A Study to Investigate the Safety and Efficacy of K-321 Eye Drops After Simultaneous Cataract Surgery and Descemetorhexis in Participants With Fuchs Endothelial Corneal Dystrophy (FECD)

Phase 3
Active, not recruiting
Conditions
Fuchs Endothelial Corneal Dystrophy
Interventions
Drug: Placebo
Drug: Ripasudil
Registration Number
NCT05826353
Lead Sponsor
Kowa Research Institute, Inc.
Brief Summary

A study to assess the safety and efficacy of K-321 in participants with FECD after simultaneous cataract surgery and descemetorhexis.

Detailed Description

Not available

Recruitment & Eligibility

Status
ACTIVE_NOT_RECRUITING
Sex
All
Target Recruitment
110
Inclusion Criteria
  • Is at least 18 years old at the screening visit (Visit 1)
  • Has a diagnosis of FECD at Visit 1
  • Meet all other inclusion criteria outlined in the Clinical Study Protocol.
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Exclusion Criteria
  • Is a female subject of childbearing potential and any of the following is true:

    1. is pregnant or lactating/breastfeeding, or
    2. is not surgically sterile, not post-menopausal (no menses for the previous 12 months), or not practicing an effective method of birth control as determined by the Investigator (eg, oral contraceptives, double barrier methods, hormonal injectable or implanted contraceptives, tubal ligation, or partner with vasectomy)
  • Meet any other exclusion criteria outlined in the Clinical Study Protocol.

Read More

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
PlaceboPlaceboPlacebo ophthalmic solution QID for 12 weeks followed by a two-week gradual dose taper phase and 38-week follow-up phase
K-321RipasudilK-321 ophthalmic solution four times daily (QID) for 12 weeks followed by a two-week gradual dose taper phase and 38-week follow-up phase
Primary Outcome Measures
NameTimeMethod
Time to improvement in best corrected (distance) visual acuity (BCVA) by ETDRS letter score during the first 12 weeksBaseline to Week 12
Secondary Outcome Measures
NameTimeMethod
Time to exceed in BCVA pre-DSO ETDRS letter score during the first 12 weeksBaseline to Week 12
Time to improvement in best corrected (distance) visual acuity (BCVA) by ETDRS letter score during the first 12 weeksBaseline to Week 12
Time to achievement in best corrected (distance) visual acuity (BCVA) by ETDRS letter score during the first 12 weeksBaseline to Week 12
Central corneal Endothelial Cell Density (ECD) (cells/mm2) at Week 12Week 12

Central corneal endothelial cell images will be captured by non-contact specular microscopy.

Time to achievement of no corneal edema during the first 12 weeksBaseline to Week 12

Trial Locations

Locations (43)

Keck Hospital of USC

🇺🇸

Los Angeles, California, United States

Macy Eye Center

🇺🇸

Los Angeles, California, United States

Byers Eye Institute at Stanford

🇺🇸

Palo Alto, California, United States

Sacramento Eye Consultants

🇺🇸

Sacramento, California, United States

Gorovoy MD Eye Specialists

🇺🇸

Fort Myers, Florida, United States

Bascom Palmer Eye Institute

🇺🇸

Palm Beach Gardens, Florida, United States

Grene Vision Group-Wichita

🇺🇸

Wichita, Kansas, United States

University of Kentucky

🇺🇸

Lexington, Kentucky, United States

W Kellogg Eye Center

🇺🇸

Ann Arbor, Michigan, United States

Verdier Eye Center

🇺🇸

Grand Rapids, Michigan, United States

Vance Thompson Vision - Omaha

🇺🇸

Omaha, Nebraska, United States

Eye Associates of New Mexico - Albuquerque - Northside

🇺🇸

Albuquerque, New Mexico, United States

NYU Langone Health

🇺🇸

New York, New York, United States

Vance Thompson Vision West Fargo

🇺🇸

W. Fargo, North Dakota, United States

Cincinnati Eye Institute-1945 Cei Dr

🇺🇸

Blue Ash, Ohio, United States

University Hospitals Cleveland Medical Center - 11100 Euclid Ave

🇺🇸

Cleveland, Ohio, United States

Devers Eye Institute

🇺🇸

Portland, Oregon, United States

University of Texas Southwestern Medical Center

🇺🇸

Dallas, Texas, United States

Houston Eye Associates

🇺🇸

Houston, Texas, United States

R and R Eye Research, LLC.

🇺🇸

San Antonio, Texas, United States

University of Wisconsin School of Medicine and Public Health

🇺🇸

Madison, Wisconsin, United States

Dr. Greg Moloney

🇨🇦

Vancouver, British Columbia, Canada

Prism Eye Institute - Mississauga-Oakville

🇨🇦

Oakville, Ontario, Canada

Precision Cornea Centre

🇨🇦

Ottawa, Ontario, Canada

Rigshospitalet Glostrup-Valdemar Hansens Vej 1-23

🇩🇰

Glostrup, Capital, Denmark

Aarhus Universitetshospital

🇩🇰

Aarhus N, Central Jutland, Denmark

Universitätsklinikum Heidelberg

🇩🇪

Heidelberg, Baden-Württemberg, Germany

Universitätsklinikum Tübingen

🇩🇪

Tübingen, Baden-Württemberg, Germany

Universitatsklinkum Erlangen-Ulmenweg 18

🇩🇪

Erlangen, Bayern, Germany

Universitatsklinikum Dusseldorf

🇩🇪

Düsseldorf, Nordrhein-Westfalen, Germany

Uniklinik Köln

🇩🇪

Köln, Nordrhein-Westfalen, Germany

Universität des Saarlandes

🇩🇪

Homburg, Saarland, Germany

LMU Klinikum der Universität

🇩🇪

Muenchen, Germany

Instituto Oftalmologico Fernandez Vega

🇪🇸

Oviedo, Asturias, Spain

Hospital Universitario Germans Trias i Pujol

🇪🇸

Badalona, Barcelona, Spain

Althaia Xarxa Assistencial Universitaria Manresa

🇪🇸

Manresa, Barcelona, Spain

Hospital Arruzafa

🇪🇸

Cordoba, Córdoba, Spain

Oftalvist - Barcelona

🇪🇸

Barcelona, Spain

Institut Catala de Retina (ICR)

🇪🇸

Barcelona, Spain

Instituto de Microcirugia Ocular

🇪🇸

Barcelona, Spain

The Royal Liverpool University Hospital

🇬🇧

Liverpool, Lancashire, United Kingdom

Moorfields Eye Hospital

🇬🇧

London, London, City Of, United Kingdom

Royal Victoria Infirmary

🇬🇧

Newcastle Upon Tyne, Tyne And Wear, United Kingdom

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