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Trial · NCT05850520

A Study to Learn How Well a Higher Amount of Aflibercept Given as an Injection Into the Eye Works and How Safe it is in People With Reduced Vision Due to Swelling in the Macula, Central Part of the Retina Caused by a Blocked Vein in the Retina (Macula Edema Secondary to Retinal Vein Occlusion)

NCT05850520, Phase 3, Completed, Bayer; results first posted 2025-12-18

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. A Study to Learn How Well a Higher Amount of Aflibercept Given as an Injection Into the Eye Works and How Safe it is in People With Reduced Vision Due to Swelling in the Macula, Central Part of the Retina Caused by a Blocked Vein in the Retina (Macula Edema Secondary to Retinal Vein Occlusion). Trials, record NCT05850520. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT05850520

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
A Study to Learn How Well a Higher Amount of Aflibercept Given as an Injection Into the Eye Works and How Safe it is in People With Reduced Vision Due to Swelling in the Macula, Central Part of the Retina Caused by a Blocked Vein in the Retina (Macula Edema Secondary to Retinal Vein Occlusion)
NCT number
NCT05850520
Status
Completed
Phases
Phase 3
Enrollment
892 participants, actual
Lead sponsor
Bayer
Conditions
Macular Edema Secondary to Retinal Vein Occlusion
Interventions
Aflibercept, VEGF Trap-Eye(Eylea, BAY86-5321)_higher dose, Aflibercept, VEGF Trap-Eye(Eylea, BAY86-5321)_2 mg, Sham, Fluorescein
First posted
2023-05-09
Last updated
2026-06-17
Results first posted
2025-12-18

Source ClinicalTrials.gov

Registered outcomes17

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryChange From Baseline in BCVA Measured by the ETDRS Letter Score at Week 36At Week 36
BCVA: Best-Corrected Visual Acuity; ETDRS: Early Treatment Diabetic Retinopathy Study; ETDRS letter score (ranging from 0 to 100 letters). A higher letter score means a better outcome (better visual acuity)
SecondaryNumber of Active Injections From Baseline to Week 64From baseline to Week 64Active injections refer to the number of injections that were actually administered, as opposed to the number of planned injections.
SecondaryNumber of Active Injections From Baseline to Week 36From baseline to Week 36Active injections refer to the number of injections that were actually administered, as opposed to the number of planned injections.
SecondaryChange From Baseline in BCVA Measured by the ETDRS Letter Score at Week 44*At Week 44
BCVA: Best-Corrected Visual Acuity; ETDRS: Early Treatment Diabetic Retinopathy Study; ETDRS letter score (ranging from 0 to 100 letters). A higher letter score means a better outcome (better visual acuity). \*This endpoint was only measured for the 8q8/5 and 2q4 groups
SecondaryChange From Baseline in BCVA Measured by the ETDRS Letter Score at Week 64At Week 64
BCVA: Best-Corrected Visual Acuity; ETDRS: Early Treatment Diabetic Retinopathy Study; ETDRS letter score (ranging from 0 to 100 letters). A higher letter score means a better outcome (better visual acuity)
SecondaryParticipants Gaining at Least 15 Letters in BCVA From Baseline at Weeks 36 and 64From baseline at Weeks 36 and 64
SecondaryParticipants Achieving an ETDRS Letter Score of at Least 69 (Approximate 20/40 Snellen Equivalent) at Weeks 36 and 64At Weeks 36 and 64ETDRS letter score (ranging from 0 to 100 letters). A higher letter score means a better outcome (better visual acuity)
SecondaryParticipants Having no Intraretinal Fluid (IRF) and no Sub-retinal Fluid (SRF) in the Center Subfield at Weeks 36 and 64At Weeks 36 and 64Number of participants with no retinal fluid (no IRF and no SRF) in the central subfield at Weeks 36 and 64
SecondaryChange From Baseline in Central Sub-field Thickness (CST) at Week 36From baseline to Week 36
SecondaryChange From Baseline in Central Sub-field Thickness (CST) at Week 64From baseline to Week 64

Outcomes10

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYChange From Baseline in BCVA Measured by the ETDRS Letter Score at Week 36At Week 36Full analysis set (FAS): All participants randomly assigned to study intervention who were exposed to study intervention (active or sham injection) at least once.LettersLEAST_SQUARES_MEAN
SECONDARYNumber of Active Injections From Baseline to Week 36From baseline to Week 36Full analysis set (FAS): All participants randomly assigned to study intervention who were exposed to study intervention (active or sham injection) at least once.Number of active injectionsLEAST_SQUARES_MEAN
SECONDARYParticipants Gaining at Least 15 Letters in BCVA From Baseline at Week 36From baseline at Week 36
Full analysis set (FAS): All participants randomly assigned and exposed to study intervention (active or sham injection) at least once.~The Overall Number of Participants Analyzed differs from the Overall Number of Baseline Participants because only observed cases were used, excluding data after an intercurrent event (ICE) (e.g., stopping intervention or using prohibited medication before Week 36). Missing cases were not included.
ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYParticipants Achieving an ETDRS Letter Score of at Least 69 (Approximate 20/40 Snellen Equivalent) at Week 36At Week 36
Full analysis set (FAS): All participants randomly assigned and exposed to study intervention (active or sham injection) at least once.~The Overall Number of Participants Analyzed differs from the Overall Number of Baseline Participants because only observed cases were used, excluding data after an intercurrent event (ICE) (e.g., stopping intervention or using prohibited medication before Week 36). Missing cases were not included.
ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYParticipants Having no Intraretinal Fluid (IRF) and no Sub-retinal Fluid (SRF) in the Center Subfield at Week 36At Week 36
Full analysis set (FAS): All participants randomly assigned and exposed to study intervention (active or sham injection) at least once.~The Overall Number of Participants Analyzed differs from the Overall Number of Baseline Participants because only observed cases were used, excluding data after an intercurrent event (ICE) (e.g., stopping intervention or using prohibited medication before Week 36). Missing cases were not included.
ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYChange From Baseline in Central Sub-field Thickness (CST) at Week 36From baseline to Week 36Full analysis set (FAS): All participants randomly assigned to study intervention who were exposed to study intervention (active or sham injection) at least once.μmLEAST_SQUARES_MEAN
SECONDARYChange From Baseline in NEI VFQ 25 Total Score at Week 36From baseline to Week 36Full analysis set (FAS): All participants randomly assigned to study intervention who were exposed to study intervention (active or sham injection) at least once.Scores on a scaleLEAST_SQUARES_MEAN
SECONDARYParticipants Dosed Only Q8 Through Week 36 in the 8 mg Q8 GroupThrough Week 36
SAF: All participants randomly assigned to study intervention who were exposed to study intervention (active or sham injection) at least once. Analysis of the SAF was performed according to the treatment the participant actually received (as treated).~The Overall Number of Participants Analyzed is not consistent with numbers provided in the Overall Number of Baseline Participants because only participants considered as completers for Week 36 were included in the analysis.
ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYNumber of Participants With Treatment-emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs) Through Weeks 36Through Week 36
Safety analysis set (SAF): All participants randomly assigned to study intervention who were exposed to study intervention (active or sham injection) at least once. Analysis of the SAF was performed according to the treatment the participant actually received (as treated).
ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYSystemic Exposure to Aflibercept as Assessed by Plasma Concentrations of Free, Adjusted Bound and Total Aflibercept From Baseline Through Weeks 36From baseline through Week 36Pharmacokinetic analysis set (PKS): All participants randomly assigned to study intervention with at least one non-missing PK result after the first dose of study intervention.ng/mLGEOMETRIC_MEAN

Results by group47

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Change From Baseline in BCVA Measured by the ETDRS Letter Score at Week 36Aflibercept 2q417.5Standard Error 0.7Letters
Change From Baseline in BCVA Measured by the ETDRS Letter Score at Week 36Aflibercept 8q8/317.4Standard Error 0.7Letters
Change From Baseline in BCVA Measured by the ETDRS Letter Score at Week 36Aflibercept 8q8/518.3Standard Error 0.6Letters
Number of Active Injections From Baseline to Week 36Aflibercept 2q48.8Standard Error 0.0Number of active injections
Number of Active Injections From Baseline to Week 36Aflibercept 8q8/36.1Standard Error 0.0Number of active injections
Number of Active Injections From Baseline to Week 36Aflibercept 8q8/56.9Standard Error 0.0Number of active injections
Participants Gaining at Least 15 Letters in BCVA From Baseline at Week 36Aflibercept 2q4158Participants
Participants Gaining at Least 15 Letters in BCVA From Baseline at Week 36Aflibercept 8q8/3153Participants
Participants Gaining at Least 15 Letters in BCVA From Baseline at Week 36Aflibercept 8q8/5161Participants
Participants Achieving an ETDRS Letter Score of at Least 69 (Approximate 20/40 Snellen Equivalent) at Week 36Aflibercept 2q4179Participants

Participant flow9

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDAflibercept 2q4301
Overall StudySTARTEDAflibercept 8q8/3293
Overall StudySTARTEDAflibercept 8q8/5298
Overall StudyCOMPLETEDAflibercept 2q4287
Overall StudyCOMPLETEDAflibercept 8q8/3278
Overall StudyCOMPLETEDAflibercept 8q8/5273
Overall StudyNOT COMPLETEDAflibercept 2q414
Overall StudyNOT COMPLETEDAflibercept 8q8/315
Overall StudyNOT COMPLETEDAflibercept 8q8/525

Adverse events2,308

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherAnaemiaBlood and lymphatic system disordersAflibercept 2q423012
otherAnaemiaBlood and lymphatic system disordersAflibercept 8q8/322932
otherAnaemiaBlood and lymphatic system disordersAflibercept 8q8/512981
otherAnaemiaBlood and lymphatic system disordersAll Aflibercept 8 mg35913
otherIron deficiency anaemiaBlood and lymphatic system disordersAflibercept 2q413011
otherIron deficiency anaemiaBlood and lymphatic system disordersAflibercept 8q8/312931
otherIron deficiency anaemiaBlood and lymphatic system disordersAflibercept 8q8/502980
otherIron deficiency anaemiaBlood and lymphatic system disordersAll Aflibercept 8 mg15911
otherLymphocytosisBlood and lymphatic system disordersAflibercept 2q403010
otherLymphocytosisBlood and lymphatic system disordersAflibercept 8q8/312931

Adverse event totals12

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityAflibercept 2q42301
Total, all-cause mortalityAflibercept 8q8/32293
Total, all-cause mortalityAflibercept 8q8/53298
Total, all-cause mortalityAll Aflibercept 8 mg5591
Total, other adverse eventsAflibercept 2q4188301
Total, other adverse eventsAflibercept 8q8/3184293
Total, other adverse eventsAflibercept 8q8/5176298
Total, other adverse eventsAll Aflibercept 8 mg360591
Total, serious adverse eventsAflibercept 2q432301
Total, serious adverse eventsAflibercept 8q8/323293

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT05850520

GET https://conductscience.org/api/trials/v1/NCT05850520/results?page=2