New eye drug aims to restore vision in inflammatory swelling
NCT ID NCT06996080
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests an experimental drug called tabirafusp alfa (KSI-101) given as an eye injection to treat macular edema (swelling in the back of the eye) caused by inflammation. About 300 adults with vision loss from this condition will receive either the drug or a sham injection. The main goal is to see if the drug improves vision over 24 weeks.
Why investors are watching
Kodiak Sciences is a very small company, so this Phase 3 trial of its drug tabirafusp alfa (KSI-101) is a major test. The trial checks whether the drug safely reduces swelling in the retina of people with macular edema caused by inflammation. A clear result matters because this drug is a core part of the company's pipeline, and the outcome will shape its future.
If it works: If the trial shows the drug works and is safe, Kodiak Sciences could have a new treatment to bring to regulators for approval. That could lead to the company's first commercial product and a stronger financial position.
If it fails: Phase 3 trials often fail, and a negative or unclear result could set the company back significantly. A failure might force Kodiak Sciences to abandon the drug or seek more funding, which is harder for a micro-cap company.
AI-written from the trial record. Speculative, and not investment advice.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 300 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2025
- Expected to finish
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Aug 2027
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Macular Edema Secondary to Inflammation (MESI) with a central subfield thickness (CST) of ≥320 and \<400 microns on SD-OCT and a BCVA score of ≥25 and ≤78 ETDRS letters (between \~20/25 and 20/320 Snellen equivalent) in the Study Eye. * Definitive presence of Intraretinal Fluid and/or Subretinal Fluid on SD-OCT in the Study Eye. * Diagnosis of active or inactive non-infectious intraocular inflammation, acute or chronic in the Study Eye. Exclusion Criteria: * ME in the Study Eye secondary to diabetes, RVO, or wAMD. * Active or suspected ocular or periocular infection in either eye. * Any history of or active occlusive retinal vasculitis in either eye.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The study's own enquiry address
This study publishes an address for enquiries. See it below .
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The places running it
54 sites in 2 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Show contact details
Enter your email to view the contact information for this study.
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Study contacts
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Contact
Email: •••••@•••••
Locations
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AZ Retina & Vitreous Consultants
RECRUITINGPhoenix, Arizona, 85016, United States
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Associated Vitreoretinal and Uveitis Consultants LLC
RECRUITINGCarmel, Indiana, 46032, United States
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Austin Retina Associates, PLLC (Austin)
RECRUITINGAustin, Texas, 78705, United States
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Austin Retina Associates, PLLC (Round Rock)
RECRUITINGRound Rock, Texas, 78681, United States
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California Eye Specialists Medical Group, Inc.
RECRUITINGPasadena, California, 91107, United States
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California Eye Specialists Medical Group, Inc.
RECRUITINGRedlands, California, 92373, United States
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California Retina Consultants (Bakersfield)
RECRUITINGBakersfield, California, 93309, United States
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California Retina Consultants (Oxnard)
RECRUITINGOxnard, California, 93036, United States
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Cascade Medical Research Institute
RECRUITINGSpringfield, Oregon, 97477, United States
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Centro Oftalmologico Metropolitano
RECRUITINGSan Juan, 00921, Puerto Rico
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Charleston Neuroscience Institute, LLC (Charleston)
RECRUITINGCharleston, South Carolina, 29414, United States
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Cleveland Clinic
NOT_YET_RECRUITINGCleveland, Ohio, 44195, United States
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Coastal Eye Surgeons
RECRUITINGGreenwich, Connecticut, 06830, United States
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Cumberland Valley Retina Consultants
RECRUITINGHagerstown, Maryland, 21740, United States
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Erie Retina Research
RECRUITINGErie, Pennsylvania, 16507, United States
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Eye Associates of New Mexico, Vision Research Center
NOT_YET_RECRUITINGAlbuquerque, New Mexico, 87109, United States
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Eye Clinic of Wisconsin
RECRUITINGWausau, Wisconsin, 54403, United States
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Florida Eye Clinic
NOT_YET_RECRUITINGAltamonte Springs, Florida, 32701, United States
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Global Research Management, Inc.
RECRUITINGGlendale, California, 91204, United States
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Midwest Eye Institute
RECRUITINGCarmel, Indiana, 46032, United States
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North Carolina Retina Associates (Cary)
RECRUITINGCary, North Carolina, 27511, United States
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North Carolina Retina Associates (Wake Forest)
RECRUITINGWake Forest, North Carolina, 27587, United States
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Ohio State University
RECRUITINGColumbus, Ohio, 43212, United States
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Ophthalmic Consultants of Boston
RECRUITINGBoston, Massachusetts, 02114, United States
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Ophthalmology Ltd
RECRUITINGSioux Falls, South Dakota, 57108, United States
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Pacific Northwest Retina (Bellevue)
RECRUITINGBellevue, Washington, 98004, United States
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Pacific Northwest Retina (Silverdale)
RECRUITINGSilverdale, Washington, 98383, United States
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Palmetto Retina Center (West Columbia)
RECRUITINGWest Columbia, South Carolina, 29169, United States
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Research Network Arizona
RECRUITINGScottsdale, Arizona, 85255, United States
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Retina Associates of New York, P.C.
RECRUITINGNew York, New York, 10075, United States
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Retina Associates, LTD
RECRUITINGElmhurst, Illinois, 60126, United States
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Retina Consultants of Minnesota
RECRUITINGSaint Louis Park, Minnesota, 55416, United States
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Retina Consultants of Southern California
RECRUITINGRedlands, California, 92374, United States
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Retina Consultants of Texas (Bellaire)
RECRUITINGBellaire, Texas, 77401, United States
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Retina Consultants of Texas (Katy)
RECRUITINGKaty, Texas, 77494, United States
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Retina Consultants of Texas (San Antonio)
RECRUITINGSan Antonio, Texas, 78240, United States
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Retina Consultants of Texas (Woodlands)
RECRUITINGThe Woodlands, Texas, 77384, United States
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Retina Consultants, PC
RECRUITINGManchester, Connecticut, 06042, United States
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Retina Group of Florida (Ft. Lauderdale)
RECRUITINGFort Lauderdale, Florida, 33308, United States
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Retina Group of New England, PC
RECRUITINGWaterford, Connecticut, 06385, United States
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Retina Research Institute of Texas
RECRUITINGAbilene, Texas, 79606, United States
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Retina Specialists of Colorado (RSC)
WITHDRAWNDenver, Colorado, 80222, United States
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Retina Vitreous Associates of Florida (St. Petersburg)
RECRUITINGSt. Petersburg, Florida, 33711, United States
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Retinal Consultants Medical Group Inc
RECRUITINGSacramento, California, 95841, United States
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Rocky Mountain Uveitis
RECRUITINGDenver, Colorado, 80246, United States
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St. Mary's Eye Surgery Center (Metropolitan Eye Research and Surgery Institute)
RECRUITINGPalisades Park, New Jersey, 07650, United States
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Stanford Byers Eye Institute
NOT_YET_RECRUITINGPalo Alto, California, 94303, United States
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Tennessee Retina PC
RECRUITINGNashville, Tennessee, 37203, United States
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Texas Retina Associates (Plano)
RECRUITINGPlano, Texas, 75075, United States
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Texas Retina Center
RECRUITINGHouston, Texas, 77030, United States
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The Retina Institute
RECRUITINGSt Louis, Missouri, 63128, United States
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UCLA Stein Eye Institute
RECRUITINGLos Angeles, California, 90095, United States
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UCSD/Jacobs Retina Center
RECRUITINGLa Jolla, California, 92093, United States
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UT Austin
NOT_YET_RECRUITINGAustin, Texas, 78712, United States
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Vanderbilt Eye Institute
RECRUITINGNashville, Tennessee, 37232, United States
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Vision Research Solutions
WITHDRAWNPhiladelphia, Pennsylvania, 19141, United States
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