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
Sites (129)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Regeneron Study Site Coordinator of this site? Confirm its status | Calgary | Canada | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Mississauga | Canada | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | North York | Canada | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Sherbrooke | Canada | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Pardubice | Czechia | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Prague | Czechia | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Göttingen | Germany | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Münster | Germany | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Neubrandenburg | Germany | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | London | United Kingdom | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Sunderland | United Kingdom | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Budapest | Hungary | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Debrecen | Hungary | Unknown status |
| Regeneron Study Site 1 Coordinator of this site? Confirm its status | Pécs | Hungary | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Szeged | Hungary | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Szombathely | Hungary | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Zalaegerszeg | Hungary | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Chiyoda-ku | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Fukuoka | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Hachiōji | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Hakodate | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Hirakata | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Kagoshima | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Kashihara | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Kawasaki | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Kita-gun | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Kobe | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Kōriyama | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Kurume | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Matsumoto | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Meguro-ku | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Mito | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Nagakute | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Nagasaki | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Nagoya | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Osaka | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Saitama | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Shimotsuke-shi | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Susono | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | tabashi City | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Tokorozawa | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Tokushima | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Toride | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Tsuchiura-shi | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Ube | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Yoshida-Gun | Japan | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Arecibo | Puerto Rico | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Abilene | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | ‘Aiea | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Arcadia | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Asheville | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Augusta | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Baltimore | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Beachwood | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Beaufort | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Bellaire | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Bethlehem | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Beverly Hills | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Bloomfield | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Boston | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Campbell | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Carmel | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Charlotte | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Cincinnati | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Clearwater | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Cleveland | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Colorado Springs | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Dublin | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Durango | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Edison | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Edmond | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Encino | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Fairfax | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Fort Lauderdale | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Fort Myers | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Fullerton | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Germantown | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Great Neck | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Hagerstown | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Henderson | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Huntington Beach | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Jacksonville | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Kingston | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Knoxville | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Ladson | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Lakeland | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Lakewood | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Largo | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Liverpool | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Long Beach | United States | Unknown status |
| Regeneron Study Site 2 Coordinator of this site? Confirm its status | Marietta | United States | Unknown status |
| Regeneron Study Site 1 Coordinator of this site? Confirm its status | Marietta | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Melbourne | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Miami | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Monroeville | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Morgantown | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Nashville | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | New York | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Norfolk | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Oak Forest | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Oceanside | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Orlando | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Palo Alto | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Pasadena | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Phoenix | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Pinellas Park | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Plantation | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Portland | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Poway | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Rancho Cordova | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Rapid City | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Riverside | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Royal Oak | United States | Unknown status |
| Regeneron Study Site 1 Coordinator of this site? Confirm its status | Salt Lake City | United States | Unknown status |
| Regeneron Study Site 2 Coordinator of this site? Confirm its status | San Antonio | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Shawnee Mission | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Shirley | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Southaven | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Springfield | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | St. Petersburg | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Stuart | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Teaneck | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | The Woodlands | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Torrance | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Tulsa | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Waterford | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | West Columbia | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Willow Park | United States | Unknown status |
| Regeneron Study Site Coordinator of this site? Confirm its status | Winter Haven | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.