Clinical trial Recruiting at 52 sites Phase 3 Interventional Ages 18 and up

Tabirafusp Tedromer vs Aflibercept for Diabetic Macular Edema (DME)

Official title: A Randomized, Double-masked, Active-controlled, Multi-center, Phase 3 Study to Evaluate the Efficacy and Safety of Intravitreal Tabirafusp Tedromer 5 mg Compared With Intravitreal Aflibercept 2 mg in Participants With Visual Impairment Secondary to Diabetic Macular Edema (DME) - ALTO

Run by Kodiak Sciences Inc · NCT07734844 · Data updated 2026-11-12

This study tests whether Tabirafusp Tedromer can work as well as or better than Aflibercept to help people with Diabetic Macular Edema.

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment910 (estimated)
SponsorKodiak Sciences Inc
Industry-sponsored
Locations52 sites (Scottsdale, Arizona and 51 other locations)
StatusRecruiting
StartedAugust 3, 2026
Main results expectedAugust 31, 2028
Study endsSeptember 2029
Registry record updatedNovember 3, 2026
Trial IDNCT07734844 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults with Type 1 or Type 2 diabetes and Diabetic Macular Edema, treatment-naïve or previously treated, able to consent.

Probably not a fit

Patients with active iris or angle neovascularization, neovascular glaucoma, or a history of retinal detachment in the study eye may not benefit from this trial.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This Phase 3 trial compares Tabirafusp Tedromer to Aflibercept 2.0 mg in adults with DME. Participants are randomized to receive either the experimental antibody biopolymer conjugate or the standard anti-VEGF therapy, with safety and efficacy monitored over time. Eligible participants include adults with diabetes and DME, regardless of prior treatment status, who meet specific health criteria. Primary outcomes typically include changes in vision and retinal thickness, along with safety assessments. The study is conducted at Kodiak Research Centers in Scottsdale, Bakersfield, and Glendale, California.

Why it matters

Potential benefit: If successful, participants may experience improved vision and retinal health, and this approach could offer an alternative treatment option for DME.

How similar studies have gone: Other anti-VEGF or antibody-based therapies have shown benefit in DME; this study tests a novel Tabirafusp Tedromer approach.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* DME, treatment-naïve or previously-treated
* Male or female ≥18 years of age with Type 1 or Type 2 diabetes mellitus and a HbA1c of ≤12%
* Capable of giving informed signed consent

Exclusion Criteria:

* Active iris or angle neovascularization or neovascular glaucoma in the Study Eye.
* Current or history of retinal detachment (tractional or rhegmatogenous) in the Study Eye

Where it's running

  • Kodiak Research Center
    Scottsdale, Arizona, United States
    Recruiting
  • Kodiak Research Center
    Bakersfield, California, United States
    Recruiting
  • Kodiak Research Center
    Glendale, California, United States
    Recruiting
  • Kodiak Research Center
    Modesto, California, United States
    Recruiting
  • Kodiak Research Center
    Oxnard, California, United States
    Recruiting
  • Kodiak Research Center
    Pasadena, California, United States
    Recruiting
Show 44 more locations
  • Kodiak Research Center
    Redlands, California, United States
    Recruiting
  • Kodiak Research Center
    Redlands, California, United States
    Recruiting
  • Kodiak Research Center
    Sacramento, California, United States
    Recruiting
  • Kodiak Research Center
    Sacramento, California, United States
    Recruiting
  • Kodiak Research Center
    Waterford, Connecticut, United States
    Recruiting
  • Kodiak Research Center
    Fort Lauderdale, Florida, United States
    Recruiting
  • Kodiak Research Center
    St. Petersburg, Florida, United States
    Recruiting
  • Kodiak Research Center
    Winter Haven, Florida, United States
    Recruiting
  • Kodiak Research Center
    Elmhurst, Illinois, United States
    Recruiting
  • Kodiak Research Center
    Hagerstown, Maryland, United States
    Recruiting
  • Kodiak Research Center
    Saint Louis Park, Minnesota, United States
    Recruiting
  • Kodiak Research Center
    Madison, Mississippi, United States
    Recruiting
  • Kodiak Research Center
    Hauppauge, New York, United States
    Recruiting
  • Kodiak Research Center
    Rochester, New York, United States
    Recruiting
  • Kodiak Research Center
    Cary, North Carolina, United States
    Recruiting
  • Kodiak Research Center
    Greensboro, North Carolina, United States
    Recruiting
  • Kodiak Research Center
    Hickory, North Carolina, United States
    Recruiting
  • Kodiak Research Center
    Wake Forest, North Carolina, United States
    Recruiting
  • Kodiak Research Center
    Winston-Salem, North Carolina, United States
    Recruiting
  • Kodiak Research Center
    Beaufort, South Carolina, United States
    Recruiting
  • Kodiak Research Center
    Charleston, South Carolina, United States
    Recruiting
  • Kodiak Research Center
    Ladson, South Carolina, United States
    Recruiting
  • Kodiak Research Center
    Mt. Pleasant, South Carolina, United States
    Recruiting
  • Kodiak Research Center
    West Columbia, South Carolina, United States
    Recruiting
  • Kodiak Research Center
    Sioux Falls, South Dakota, United States
    Recruiting
  • Kodiak Research Center
    Amarillo, Texas, United States
    Recruiting
  • Kodiak Research Center
    Arlington, Texas, United States
    Recruiting
  • Kodiak Research Center
    Austin, Texas, United States
    Recruiting
  • Kodiak Research Center
    Bellaire, Texas, United States
    Recruiting
  • Kodiak Research Center
    Fort Worth, Texas, United States
    Recruiting
  • Kodiak Research Center
    Katy, Texas, United States
    Recruiting
  • Kodiak Research Center
    Plano, Texas, United States
    Recruiting
  • Kodiak Research Center
    Round Rock, Texas, United States
    Recruiting
  • Kodiak Research Center
    San Antonio, Texas, United States
    Recruiting
  • Kodiak Research Center
    Schertz, Texas, United States
    Recruiting
  • Kodiak Research Center
    The Woodlands, Texas, United States
    Recruiting
  • Kodiak Research Center
    Lynchburg, Virginia, United States
    Recruiting
  • Kodiak Research Center
    Bellevue, Washington, United States
    Recruiting
  • Kodiak Research Center
    Caba, Buenos Aires, Argentina
    Recruiting
  • Kodiak Research Center
    Caba, Buenos Aires, Argentina
    Recruiting
  • Kodiak Research Center
    Caba, Buenos Aires, Argentina
    Recruiting
  • Kodiak Research Center
    Caba, Buenos Aires, Argentina
    Recruiting
  • Kodiak Research Center
    Comodoro Rivadavia, Chubut Province, Argentina
    Recruiting
  • Kodiak Research Center
    Mendoza, Mendoza Province, Argentina
    Recruiting

+2 more sites. See ClinicalTrials.gov for the full list.

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.