Open-Label Extension: Tolerability and Effects of ALK-001 on Stargardt Disease (TEASE)
NCT ID: NCT04239625
Last Updated: 2025-04-27
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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ACTIVE_NOT_RECRUITING
PHASE2
200 participants
INTERVENTIONAL
2019-12-20
2026-12-31
Brief Summary
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Funding Source - FDA OOPD
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Detailed Description
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Conditions
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Study Design
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NA
SINGLE_GROUP
TREATMENT
NONE
Study Groups
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ALK-001
ALK-001
Oral administration of a pill for up to 24 months
Interventions
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ALK-001
Oral administration of a pill for up to 24 months
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Has at least two ABCA4 disease-causing mutations, unless authorized by sponsor
* Has a best-corrected visual acuity (BCVA) greater than approximately 20/160 in at least one eye
* Healthy as judged by investigator
* Able and willing to comply with study requirements, restrictions and instructions and is likely to complete the 24-month study
* Has been invited to participate in this extension, and has signed and dated the informed consent forms (or assent where appropriate) to participate
* Female of childbearing potential has signed the attestation on contraception requirements
Exclusion Criteria
* Has a medical condition likely to prevent compliance with the protocol and/or interfere with absorption of ALK-001 or performance of study procedures
* Has abnormal laboratory result(s) at screening
* Has an ocular disorder that may confound ocular assessments
* Has a history of ocular intervention within 90 days of screening
8 Years
70 Years
ALL
No
Sponsors
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Alkeus Pharmaceuticals, Inc.
INDUSTRY
Responsible Party
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Locations
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Alkeus Site
Phoenix, Arizona, United States
Alkeus Site
Los Angeles, California, United States
Alkeus Site
Aurora, Colorado, United States
Alkeus Site
Gainesville, Florida, United States
Alkeus Site
Indianapolis, Indiana, United States
Alkeus Site
Grand Rapids, Michigan, United States
Alkeus Site
Westbury, New York, United States
Alkeus Site
Silverdale, Washington, United States
Countries
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References
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Ma L, Kaufman Y, Zhang J, Washington I. C20-D3-vitamin A slows lipofuscin accumulation and electrophysiological retinal degeneration in a mouse model of Stargardt disease. J Biol Chem. 2011 Mar 11;286(10):7966-7974. doi: 10.1074/jbc.M110.178657. Epub 2010 Dec 14.
Kaufman Y, Ma L, Washington I. Deuterium enrichment of vitamin A at the C20 position slows the formation of detrimental vitamin A dimers in wild-type rodents. J Biol Chem. 2011 Mar 11;286(10):7958-7965. doi: 10.1074/jbc.M110.178640. Epub 2010 Nov 12.
Mihai DM, Jiang H, Blaner WS, Romanov A, Washington I. The retina rapidly incorporates ingested C20-D(3)-vitamin A in a swine model. Mol Vis. 2013 Jul 25;19:1677-83. Print 2013.
Charbel Issa P, Barnard AR, Herrmann P, Washington I, MacLaren RE. Rescue of the Stargardt phenotype in Abca4 knockout mice through inhibition of vitamin A dimerization. Proc Natl Acad Sci U S A. 2015 Jul 7;112(27):8415-20. doi: 10.1073/pnas.1506960112. Epub 2015 Jun 23.
Saad L, Washington I. Can Vitamin A be Improved to Prevent Blindness due to Age-Related Macular Degeneration, Stargardt Disease and Other Retinal Dystrophies? Adv Exp Med Biol. 2016;854:355-61. doi: 10.1007/978-3-319-17121-0_47.
Related Links
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Other Identifiers
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