Safety and Efficacy Assessment Treatment Trials of Emixustat Hydrochloride (SEATTLE)
A Phase 2b/3 Multicenter, Randomized, Double-Masked, Dose-Ranging Study Comparing the Efficacy and Safety of Emixustat Hydrochloride (ACU-4429) With Placebo for the Treatment of Geographic Atrophy Associated With Dry Age-Related Macular Degeneration
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 2
- Phase 3
Contacts and Locations
Study Locations
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-
Arizona
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Phoenix, Arizona, United States
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-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Males or females, age ≥55 years.
- Clinical diagnosis of GA associated with AMD
- Able and willing to provide written informed consent.
- Able to reliably administer oral medication by self or with available assistance.
Exclusion Criteria:
- Active CNV or presence of an active ocular disease.
- Known serious allergy to the fluorescein sodium for injection in angiography.
- Pre-specified laboratory abnormalities at screening.
- Treatment with any investigational study drug within 30 days of screening or device (within 60 days of screening)
- History of other disease, metabolic dysfunction, physical examination finding, or clinical laboratory finding
- Female subjects who are pregnant or lactating.
- Female subjects of childbearing potential and male subjects who are not surgically sterile who are not willing to practice a medically accepted method of birth control from screening through 30 days after completion of the study.
- Unstable or poorly controlled medical or ophthalmic conditions
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: QUADRUPLE
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Placebo Comparator: Placebo
Includes identical tablets with only inactive ingredients (0 mg).
|
Take orally once daily for 24 months
|
|
Experimental: ACU-4429 2.5 mg
2.5 mg tablet
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Take orally once daily for 24 months
Other Names:
|
|
Experimental: ACU-4429 5 mg
5 mg tablet
|
Take orally once daily for 24 months
Other Names:
|
|
Experimental: ACU-4429 10 mg
10 mg tablet
|
Take orally once daily for 24 months
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Change from baseline in the total area of the GA lesion(s)
Time Frame: 24 months
|
24 months
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Change from baseline in BCVA score
Time Frame: 24 months
|
24 months
|
|
Frequency of AEs, discontinuations due to AEs, or dose modifications; severity and seriousness of AEs
Time Frame: 24 months
|
24 months
|
Collaborators and Investigators
Sponsor
Sponsor
Collaborators
Collaborators
Investigators
Investigators
- Study Director: Acucela Medical Monitor, Kubota Vision Inc.
Publications and helpful links
General Publications
- Yeong JL, Loveman E, Colquitt JL, Royle P, Waugh N, Lois N. Visual cycle modulators versus placebo or observation for the prevention and treatment of geographic atrophy due to age-related macular degeneration. Cochrane Database Syst Rev. 2020 Dec 17;12:CD013154. doi: 10.1002/14651858.CD013154.pub2.
- Rosenfeld PJ, Dugel PU, Holz FG, Heier JS, Pearlman JA, Novack RL, Csaky KG, Koester JM, Gregory JK, Kubota R. Emixustat Hydrochloride for Geographic Atrophy Secondary to Age-Related Macular Degeneration: A Randomized Clinical Trial. Ophthalmology. 2018 Oct;125(10):1556-1567. doi: 10.1016/j.ophtha.2018.03.059. Epub 2018 Apr 30. Erratum In: Ophthalmology. 2019 Mar;126(3):471-472.
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- 4429-202
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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