- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05826353
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)
April 17, 2024 updated by: Kowa Research Institute, Inc.
A Double-Masked, Randomized, Placebo-Controlled, Parallel-Group, 12-Week Administration With Two-Week Gradual Dose Taper Phase and 38-Week Follow-Up Phase, Phase 3 Study to Investigate the Safety and Efficacy of Ripasudil (K-321) Eye Drops After Simultaneous Cataract Surgery and Descemetorhexis in Subjects With Fuchs Endothelial Corneal Dystrophy
A study to assess the safety and efficacy of K-321 in participants with FECD after simultaneous cataract surgery and descemetorhexis.
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Estimated)
100
Phase
- Phase 3
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Director, Clinical Operations
- Phone Number: 919-433-1621
- Email: StudyRecruitment@KowaUS.com
Study Locations
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British Columbia
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Vancouver, British Columbia, Canada, 2000
- Recruiting
- Dr. Greg Moloney
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Ontario
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Oakville, Ontario, Canada, L5L 1W8
- Not yet recruiting
- Prism Eye Institute - Mississauga-Oakville
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Ottawa, Ontario, Canada, K1G 5L1
- Recruiting
- Precision Cornea Centre
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Ottawa, Ontario, Canada, K1H 8M2
- Not yet recruiting
- University of Ottawa Eye Institute
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Quebec
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Montreal, Quebec, Canada, H2X 0C1
- Not yet recruiting
- Centre Hospitalier de l'Universite de Montreal-1000 rue Saint-Denis
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Capital
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Glostrup, Capital, Denmark, 2600
- Recruiting
- Rigshospitalet Glostrup-Valdemar Hansens Vej 1-23
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Central Jutland
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Aarhus N, Central Jutland, Denmark, 8200
- Recruiting
- Aarhus Universitetshospital
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Muenchen, Germany, 81377
- Not yet recruiting
- LMU Klinikum der Universität
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Baden-Württemberg
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Heidelberg, Baden-Württemberg, Germany, 91054
- Recruiting
- Universitätsklinikum Heidelberg
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Tübingen, Baden-Württemberg, Germany, 72076
- Recruiting
- Universitätsklinikum Tübingen
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Bayern
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Erlangen, Bayern, Germany, 91054
- Not yet recruiting
- Universitatsklinkum Erlangen-Ulmenweg 18
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Nordrhein-Westfalen
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Düsseldorf, Nordrhein-Westfalen, Germany, 40225
- Recruiting
- Universitätsklinikum Düsseldorf
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Köln, Nordrhein-Westfalen, Germany, 50931
- Not yet recruiting
- Uniklinik Köln
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Saarland
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Homburg, Saarland, Germany, 66424
- Recruiting
- Universität des Saarlandes
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Barcelona, Spain, 08017
- Not yet recruiting
- Oftalvist - Barcelona
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Barcelona, Spain, 08022
- Not yet recruiting
- Institut Catala de Retina (ICR)
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Barcelona, Spain, 08035
- Recruiting
- Instituto de Microcirugia Ocular
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Asturias
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Oviedo, Asturias, Spain, 33012
- Not yet recruiting
- Instituto Oftalmologico Fernandez Vega
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Barcelona
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Badalona, Barcelona, Spain, 08916
- Recruiting
- Hospital Universitario Germans Trias i Pujol
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Manresa, Barcelona, Spain, 17001
- Not yet recruiting
- Althaia Xarxa Assistencial Universitaria Manresa
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Córdoba
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Cordoba, Córdoba, Spain, 14012
- Recruiting
- Hospital Arruzafa
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Lancashire
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Liverpool, Lancashire, United Kingdom, L7 8XP
- Recruiting
- The Royal Liverpool University Hospital
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London, City Of
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London, London, City Of, United Kingdom, EC1V 2PD
- Recruiting
- Moorfields Eye Hospital
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Tyne And Wear
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Newcastle Upon Tyne, Tyne And Wear, United Kingdom, NE1 4LP
- Recruiting
- Royal Victoria Infirmary
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California
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Los Angeles, California, United States, 90033
- Not yet recruiting
- Keck Hospital of Usc
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Los Angeles, California, United States, 90048
- Recruiting
- Macy Eye Center
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Palo Alto, California, United States, 94303
- Recruiting
- Byers Eye Institute at Stanford
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Sacramento, California, United States, 95815
- Recruiting
- Sacramento Eye Consultants
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Florida
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Fort Myers, Florida, United States, 33907
- Recruiting
- Gorovoy MD Eye Specialists
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Gainesville, Florida, United States, 32610
- Not yet recruiting
- UF Health Eye Center - The Oaks
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Palm Beach Gardens, Florida, United States, 33136
- Not yet recruiting
- Bascom Palmer Eye Institute
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Kansas
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Wichita, Kansas, United States, 67208
- Not yet recruiting
- Grene Vision Group-Wichita
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Kentucky
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Lexington, Kentucky, United States, 40508
- Recruiting
- University of Kentucky
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Michigan
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Ann Arbor, Michigan, United States, 48105
- Recruiting
- W Kellogg Eye Center
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Grand Rapids, Michigan, United States, 49546
- Not yet recruiting
- Verdier Eye Center
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Nebraska
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Omaha, Nebraska, United States, 68137
- Recruiting
- Vance Thompson Vision - Omaha
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New Mexico
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Albuquerque, New Mexico, United States, 87109
- Not yet recruiting
- Eye Associates of New Mexico - Albuquerque - Northside
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New York
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New York, New York, United States, 10017
- Recruiting
- NYU Langone Health
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Slingerlands, New York, United States, 12159
- Not yet recruiting
- Cornea Consultants of Albany
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North Dakota
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W. Fargo, North Dakota, United States, 58078
- Recruiting
- Vance Thompson Vision West Fargo
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Ohio
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Blue Ash, Ohio, United States, 45242
- Recruiting
- Cincinnati Eye Institute-1945 Cei Dr
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Cleveland, Ohio, United States, 44106
- Not yet recruiting
- University Hospitals Cleveland Medical Center - 11100 Euclid Ave
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Oregon
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Portland, Oregon, United States, 97210
- Recruiting
- Devers Eye Institute
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Texas
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Dallas, Texas, United States, 75390
- Not yet recruiting
- University of Texas Southwestern Medical Center
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Houston, Texas, United States, 77025
- Not yet recruiting
- Houston Eye Associates
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San Antonio, Texas, United States, 78229
- Recruiting
- R and R Eye Research, LLC.
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Wisconsin
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Madison, Wisconsin, United States, 53705
- Recruiting
- University of Wisconsin School of Medicine and Public Health
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
No
Description
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.
Exclusion Criteria:
Is a female subject of childbearing potential and any of the following is true:
- is pregnant or lactating/breastfeeding, or
- 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.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: K-321
K-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
|
K-321 ophthalmic solution
Other Names:
|
Placebo Comparator: Placebo
Placebo ophthalmic solution QID for 12 weeks followed by a two-week gradual dose taper phase and 38-week follow-up phase
|
Placebo ophthalmic solution
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Time to improvement in best corrected (distance) visual acuity (BCVA) by ETDRS letter score during the first 12 weeks
Time Frame: Baseline to Week 12
|
Baseline to Week 12
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Time to improvement in best corrected (distance) visual acuity (BCVA) by ETDRS letter score during the first 12 weeks
Time Frame: Baseline to Week 12
|
Baseline to Week 12
|
|
Time to achievement in best corrected (distance) visual acuity (BCVA) by ETDRS letter score during the first 12 weeks
Time Frame: Baseline to Week 12
|
Baseline to Week 12
|
|
Central corneal Endothelial Cell Density (ECD) (cells/mm2) at Week 12
Time Frame: Week 12
|
Central corneal endothelial cell images will be captured by non-contact specular microscopy.
|
Week 12
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Study Chair: Shona Pendse, MD, MMSc, Kowa Pharma Development Co.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
May 11, 2023
Primary Completion (Estimated)
June 1, 2024
Study Completion (Estimated)
January 1, 2025
Study Registration Dates
First Submitted
April 6, 2023
First Submitted That Met QC Criteria
April 21, 2023
First Posted (Actual)
April 24, 2023
Study Record Updates
Last Update Posted (Actual)
April 18, 2024
Last Update Submitted That Met QC Criteria
April 17, 2024
Last Verified
April 1, 2024
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- K-321-303
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
Clinical Trials on Fuchs Endothelial Corneal Dystrophy
-
Kowa Research Institute, Inc.CompletedFuchs' Endothelial Corneal DystrophyUnited States, Australia, Germany, Spain, Denmark
-
Legacy Health SystemDevers Eye Institute; Lions Eye Bank of Oregon Vision Research Laboratory; Fischer...UnknownFuchs' Corneal Endothelial DystrophyUnited States
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Centre Hospitalier Universitaire de Saint EtienneKyoto University, Graduate School of MedicineCompletedFuchs Endothelial Corneal DystrophyFrance
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