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NCT04429503CompletedPhase 2/3

Study of a High-Dose Aflibercept in Participants With Diabetic Eye Disease

A Randomized, Double-Masked, Active-Controlled Phase 2/3 Study of the Efficacy and Safety of High-Dose Aflibercept in Patients With Diabetic Macular Edema

Source: ClinicalTrials.gov · Last updated 8 Aug 2025

Brief summary (registry, in English)

The primary objective of the study is to determine if treatment with high-dose aflibercept (HD) at intervals of 12 or 16 weeks provides non-inferior best corrected visual acuity (BCVA) compared to aflibercept dosed every 8 weeks. The secondary objectives of the study are as follows: * To determine the effect of HD vs. aflibercept on anatomic and other visual measures of response * To evaluate the safety, immunogenicity, and pharmacokinetics (PK) of aflibercept

Status (registry)
Completed
Phase (registry)
Phase 2/3
Study type
Interventional
Enrollment
660 (actual)
First submitted
26 May 2020
Start date
29 Jun 2020
Primary completion date
30 May 2022
Lead sponsor
Regeneron Pharmaceuticals
NCT number
NCT04429503
EudraCT number
2019-003643-30

What you commit to

  • Study type: Interventional · Phase 2/3
  • Participants enrolled: 660
  • From 29 Jun 2020 to the primary completion date, 30 May 2022
  • 129 sites in 8 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Prior IVT investigational agents in either eye (eg, anti-ang-2/anti-VEGF bispecific monoclonal antibodies, gene therapy, etc.) at any time
  • Treatment with ocriplasmin (JETREA®) in the study eye at any time
    • NOTE: Other Protocol Defined Inclusion/Exclusion Criteria Apply

Other illness

  • Evidence of macular edema due to any cause other than diabetes mellitus in either eye

Lab values

  • IVT anti-VEGF treatment (aflibercept, ranibizumab, bevacizumab, brolucizumab, pegaptanib sodium) or panretinal laser photocoagulation (PRP) /macular laser photocoagulation within 12 weeks (84 days) or intraocular or periocular corticosteroids within 16 weeks (112 days) of the screening visit in the study eye

Other

  • Active proliferative diabetic retinopathy in the study eye

Who the study is looking for

  • Diabetic macular edema (DME) with central involvement in the study eye
  • Best corrected visual acuity (BCVA) early treatment diabetic retinopathy study (ETDRS) letter score of 78 to 24 (approximate Snellen equivalent of 20/32 to 20/320) in the study eye with decreased vision determined to be primarily the result of DME
  • Willing and able to comply with clinic visits and study-related procedures
  • Provide informed consent signed by study participant or legally acceptable representative
    • Extension Phase: All randomized patients that complete visit 26, week 96, as long as the patient 1) provides informed consent and 2) no treatment for DME has been given in the study eye other than the randomized study treatment.

Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (129)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Regeneron Study Site
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CalgaryCanadaUnknown status
Regeneron Study Site
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MississaugaCanadaUnknown status
Regeneron Study Site
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North YorkCanadaUnknown status
Regeneron Study Site
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SherbrookeCanadaUnknown status
Regeneron Study Site
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PardubiceCzechiaUnknown status
Regeneron Study Site
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PragueCzechiaUnknown status
Regeneron Study Site
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GöttingenGermanyUnknown status
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MünsterGermanyUnknown status
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NeubrandenburgGermanyUnknown status
Regeneron Study Site
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LondonUnited KingdomUnknown status
Regeneron Study Site
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SunderlandUnited KingdomUnknown status
Regeneron Study Site
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BudapestHungaryUnknown status
Regeneron Study Site
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DebrecenHungaryUnknown status
Regeneron Study Site 1
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PécsHungaryUnknown status
Regeneron Study Site
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SzegedHungaryUnknown status
Regeneron Study Site
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SzombathelyHungaryUnknown status
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ZalaegerszegHungaryUnknown status
Regeneron Study Site
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Chiyoda-kuJapanUnknown status
Regeneron Study Site
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FukuokaJapanUnknown status
Regeneron Study Site
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HachiōjiJapanUnknown status
Regeneron Study Site
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HakodateJapanUnknown status
Regeneron Study Site
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HirakataJapanUnknown status
Regeneron Study Site
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KagoshimaJapanUnknown status
Regeneron Study Site
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KashiharaJapanUnknown status
Regeneron Study Site
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KawasakiJapanUnknown status
Regeneron Study Site
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Kita-gunJapanUnknown status
Regeneron Study Site
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KobeJapanUnknown status
Regeneron Study Site
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KōriyamaJapanUnknown status
Regeneron Study Site
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KurumeJapanUnknown status
Regeneron Study Site
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MatsumotoJapanUnknown status
Regeneron Study Site
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Meguro-kuJapanUnknown status
Regeneron Study Site
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MitoJapanUnknown status
Regeneron Study Site
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NagakuteJapanUnknown status
Regeneron Study Site
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NagasakiJapanUnknown status
Regeneron Study Site
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NagoyaJapanUnknown status
Regeneron Study Site
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OsakaJapanUnknown status
Regeneron Study Site
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SaitamaJapanUnknown status
Regeneron Study Site
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Shimotsuke-shiJapanUnknown status
Regeneron Study Site
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SusonoJapanUnknown status
Regeneron Study Site
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tabashi CityJapanUnknown status
Regeneron Study Site
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TokorozawaJapanUnknown status
Regeneron Study Site
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TokushimaJapanUnknown status
Regeneron Study Site
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TorideJapanUnknown status
Regeneron Study Site
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Tsuchiura-shiJapanUnknown status
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UbeJapanUnknown status
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Yoshida-GunJapanUnknown status
Regeneron Study Site
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AreciboPuerto RicoUnknown status
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AbileneUnited StatesUnknown status
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‘AieaUnited StatesUnknown status
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ArcadiaUnited StatesUnknown status
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AshevilleUnited StatesUnknown status
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AugustaUnited StatesUnknown status
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BaltimoreUnited StatesUnknown status
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BeachwoodUnited StatesUnknown status
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BeaufortUnited StatesUnknown status
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BellaireUnited StatesUnknown status
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BethlehemUnited StatesUnknown status
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Beverly HillsUnited StatesUnknown status
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BloomfieldUnited StatesUnknown status
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BostonUnited StatesUnknown status
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CampbellUnited StatesUnknown status
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CarmelUnited StatesUnknown status
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CharlotteUnited StatesUnknown status
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CincinnatiUnited StatesUnknown status
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ClearwaterUnited StatesUnknown status
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ClevelandUnited StatesUnknown status
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Colorado SpringsUnited StatesUnknown status
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DublinUnited StatesUnknown status
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DurangoUnited StatesUnknown status
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EdisonUnited StatesUnknown status
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EdmondUnited StatesUnknown status
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EncinoUnited StatesUnknown status
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FairfaxUnited StatesUnknown status
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Fort LauderdaleUnited StatesUnknown status
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Fort MyersUnited StatesUnknown status
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FullertonUnited StatesUnknown status
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GermantownUnited StatesUnknown status
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Great NeckUnited StatesUnknown status
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HagerstownUnited StatesUnknown status
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HendersonUnited StatesUnknown status
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Huntington BeachUnited StatesUnknown status
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JacksonvilleUnited StatesUnknown status
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KingstonUnited StatesUnknown status
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KnoxvilleUnited StatesUnknown status
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LadsonUnited StatesUnknown status
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LakelandUnited StatesUnknown status
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LakewoodUnited StatesUnknown status
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LargoUnited StatesUnknown status
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LiverpoolUnited StatesUnknown status
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Long BeachUnited StatesUnknown status
Regeneron Study Site 2
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MariettaUnited StatesUnknown status
Regeneron Study Site 1
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MariettaUnited StatesUnknown status
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MelbourneUnited StatesUnknown status
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MiamiUnited StatesUnknown status
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MonroevilleUnited StatesUnknown status
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MorgantownUnited StatesUnknown status
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NashvilleUnited StatesUnknown status
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New YorkUnited StatesUnknown status
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NorfolkUnited StatesUnknown status
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Oak ForestUnited StatesUnknown status
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OceansideUnited StatesUnknown status
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OrlandoUnited StatesUnknown status
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Palo AltoUnited StatesUnknown status
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PasadenaUnited StatesUnknown status
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PhoenixUnited StatesUnknown status
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Pinellas ParkUnited StatesUnknown status
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PlantationUnited StatesUnknown status
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PortlandUnited StatesUnknown status
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PowayUnited StatesUnknown status
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Rancho CordovaUnited StatesUnknown status
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Rapid CityUnited StatesUnknown status
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RiversideUnited StatesUnknown status
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Royal OakUnited StatesUnknown status
Regeneron Study Site 1
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Salt Lake CityUnited StatesUnknown status
Regeneron Study Site 2
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San AntonioUnited StatesUnknown status
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Shawnee MissionUnited StatesUnknown status
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ShirleyUnited StatesUnknown status
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SouthavenUnited StatesUnknown status
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SpringfieldUnited StatesUnknown status
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St. PetersburgUnited StatesUnknown status
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StuartUnited StatesUnknown status
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TeaneckUnited StatesUnknown status
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The WoodlandsUnited StatesUnknown status
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TorranceUnited StatesUnknown status
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TulsaUnited StatesUnknown status
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WaterfordUnited StatesUnknown status
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West ColumbiaUnited StatesUnknown status
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Willow ParkUnited StatesUnknown status
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Winter HavenUnited StatesUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.