Clinical trial Recruiting at 132 sites Phase2; Phase3 Interventional Ages 50 and up

Comparing tiespectus (MK-8748) with aflibercept for wet age-related macular degeneration

Official title: A Randomized Double-masked, Multicenter, 3-arm, Pivotal Phase 2/3 Study to Evaluate the Efficacy and Safety of Intravitreal (IVT) EYE201/MK-8748 Compared to Aflibercept (2 mg) in Participants With Neovascular Age-related Macular Degeneration (NVAMD)

Run by EyeBiotech Ltd. · NCT07440225 · Data updated 2026-11-12

This study will test whether tiespectus (MK-8748) works as well as aflibercept for people with newly diagnosed neovascular (wet) age-related macular degeneration.

More Age-Related Macular Degeneration trials

Quick facts

PhasePhase2; Phase3
Study typeInterventional
Ages50 Years and up
SexAll
Enrollment960 (estimated)
SponsorEyeBiotech Ltd.
Industry-sponsored
Locations132 sites (Scottsdale, Arizona and 131 other locations)
StatusRecruiting
StartedMarch 27, 2026
Main results expectedJune 30, 2028
Study endsJune 30, 2028
Registry record updatedOctober 2, 2026
Trial IDNCT07440225 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults with newly diagnosed, treatment‑naive choroidal neovascularization due to AMD (including subfoveal, juxtafoveal, extrafoveal, RAP, or PCV lesions) with diagnosis made within 21 days of starting treatment.

Probably not a fit

Patients with uncontrolled blood pressure, uncontrolled glaucoma, recent cataract or certain eye surgeries within 90 days, prior macular laser in the study eye, a history of uveitis, or other active retinal diseases are excluded and may not benefit from participation.

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

What this trial studies

This randomized Phase 2/3 trial enrolls treatment‑naive patients with choroidal neovascularization secondary to AMD and randomizes them to receive intravitreal tiespectus (MK-8748) or aflibercept. Eligible participants must have a diagnosis of neovascular AMD made within 21 days before starting treatment. Patients will receive regular in‑office eye injections and follow-up visits with vision testing and retinal imaging to track response. The trial is being run at several retina clinics in the United States.

Why it matters

Potential benefit: If successful, tiespectus could offer an alternative intravitreal treatment that preserves or improves vision comparable to aflibercept and may help patients who do not respond to current therapy.

How similar studies have gone: Approved anti‑VEGF drugs like aflibercept, ranibizumab, and bevacizumab have proven effective for wet AMD, while tiespectus (MK-8748) is an investigational agent with limited prior clinical data.

Who can join: the full rules

Show full inclusion / exclusion criteria
The main inclusion criteria include but are not limited to the following:

* Has treatment naive choroidal neovascularization (CNV) secondary to age-related macular degeneration (AMD) including subfoveal, juxtafoveal and extrafoveal lesions or retinal angiomatous proliferations (RAP) and polypoidal choroidal vascularization (PCV) lesions in at least one eye (study eye)
* The diagnosis of neovascular age-related macular degeneration (NVAMD) must have been made within 21 days prior to starting study treatment

The main exclusion criteria include but are not limited to the following

* Has uncontrolled blood pressure at screening
* History of any prior macular laser photocoagulation in the study eye
* History of uveitis in either eye
* History of cataract surgery, minimally invasive glaucoma surgery, or Yttrium-Aluminium Garnet (Yag) laser capsulotomy in the study eye within 90 days before entering the study
* Has uncontrolled glaucoma in the study eye
* Active retinal disease other than the condition under investigation in the study eye
* Has previously received anti- vascular endothelial growth factor (VEGF) therapy or other intravitreal (IVT) therapy in the study eye

Where it's running

  • Research Network Arizona / Retina Macula Institute of Arizona
    Scottsdale, Arizona, United States
    Recruiting
  • Retina Center of Arkansas
    Fayetteville, Arkansas, United States
    Recruiting
  • Retina Partners of Northwest Arkansas, PLLC
    Springdale, Arkansas, United States
    Recruiting
  • Global Research Management, Inc.
    Glendale, California, United States
    Recruiting
  • Retinal Consultants Medical Group (Site 024)
    Modesto, California, United States
    Recruiting
  • Azul Vision / California Eye Specialists Medical Group, Inc.
    Pasadena, California, United States
    Recruiting
Show 44 more locations
  • Retina Consultants of Southern California (Site 043)
    Redlands, California, United States
    Recruiting
  • Retinal Consultants Medical Group (Site 020)
    Sacramento, California, United States
    Recruiting
  • Retinal Consultants Medical Group (Site 022)
    Sacramento, California, United States
    Recruiting
  • Florida Eye Clinic (Site 130)
    Altamonte Springs, Florida, United States
    Recruiting
  • Retina Group of Florida (Site 070)
    Fort Lauderdale, Florida, United States
    Recruiting
  • Vitreo Retinal Associates
    Gainesville, Florida, United States
    Recruiting
  • Florida Retina Institute
    Jacksonville, Florida, United States
    Recruiting
  • Florida Retina Consultants
    Lakeland, Florida, United States
    Recruiting
  • South Florida Retina Institute
    Miami, Florida, United States
    Recruiting
  • Retina Care Specialists
    Palm Beach Gardens, Florida, United States
    Recruiting
  • Fort Lauderdale Eye Institute (Site 042)
    Plantation, Florida, United States
    Recruiting
  • Retina Vitreous Associates of Florida (Site 049)
    St. Petersburg, Florida, United States
    Recruiting
  • Southern Vitreoretinal Associates
    Tallahassee, Florida, United States
    Recruiting
  • Retina Associates of Florida, LLC
    Tampa, Florida, United States
    Recruiting
  • Retina Vitreous Associates of Florida
    Tampa, Florida, United States
    Recruiting
  • Wildwood Clinical Research / Florida Retina Institute
    Wildwood, Florida, United States
    Recruiting
  • Illinois Retina Associates
    Oak Park, Illinois, United States
    Recruiting
  • Springfield Clinic
    Springfield, Illinois, United States
    Recruiting
  • Associated Vitreoretinal and Uveitis Consultants
    Carmel, Indiana, United States
    Recruiting
  • Midwest Eye Institute
    Carmel, Indiana, United States
    Recruiting
  • Cumberland Valley Retina Consultants (Site 007)
    Hagerstown, Maryland, United States
    Recruiting
  • Foundation for Vision Research (Site 073)
    Grand Rapids, Michigan, United States
    Recruiting
  • Retina Consultants of Minnesota
    Saint Louis Park, Minnesota, United States
    Recruiting
  • Retina Specialists of Mississippi
    Hattiesburg, Mississippi, United States
    Recruiting
  • Mississippi Retina Associates (Site 084)
    Madison, Mississippi, United States
    Recruiting
  • Mid Atlantic Retina
    Cherry Hill, New Jersey, United States
    Recruiting
  • Vision Research Center Eye Associates of New Mexico
    Albuquerque, New Mexico, United States
    Recruiting
  • ong Island Vitreoretinal Consultants / Vitreoretinal Consultants of NY (Site 105)
    Hauppauge, New York, United States
    Recruiting
  • Retina Vitreous Surgeons of CNY, PC (Site 033)
    Liverpool, New York, United States
    Recruiting
  • Piedmont Retina Specialists - Greensboro
    Greensboro, North Carolina, United States
    Recruiting
  • North Carolina Retina Associates
    Greenville, North Carolina, United States
    Recruiting
  • Piedmont Retina Specialists - Winston-Salem
    Winston-Salem, North Carolina, United States
    Recruiting
  • Cincinnati Eye Institute (Site 133)
    Cincinnati, Ohio, United States
    Recruiting
  • Retina Vitreous Center
    Edmond, Oklahoma, United States
    Recruiting
  • Tulsa Retina Consultants
    Tulsa, Oklahoma, United States
    Recruiting
  • Retina Northwest, PC
    Portland, Oregon, United States
    Recruiting
  • EyeHealth Northwest
    Portland, Oregon, United States
    Recruiting
  • Mid Atlantic Retina (Site 050)
    Bethlehem, Pennsylvania, United States
    Recruiting
  • Palmetto Retina Center
    Aiken, South Carolina, United States
    Recruiting
  • Charleston Neuroscience Institute - Bluffton (Site 124)
    Bluffton, South Carolina, United States
    Recruiting
  • Charleston Neuroscience Institute (Site 104)
    Charleston, South Carolina, United States
    Recruiting
  • Charleston Neuroscience Institute (CNI) d/b/a Retina Consultants of South Carolina
    Mt. Pleasant, South Carolina, United States
    Recruiting
  • Charles Retina Institute
    Germantown, Tennessee, United States
    Recruiting
  • Retina Research Institute of Texas (Site 010)
    Abilene, Texas, United States
    Recruiting

+82 more sites. See ClinicalTrials.gov for the full list.

Study contacts

Similar studies

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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.