A Study to Evaluate the Efficacy and Safety of Faricimab in Participants With Macular Edema Secondary to Branch Retinal Vein Occlusion (BALATON)
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ClinicalTrials.gov Identifier: NCT04740905 |
Recruitment Status :
Completed
First Posted : February 5, 2021
Last Update Posted : July 13, 2023
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Condition or disease | Intervention/treatment | Phase |
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Macular Edema Branch Retinal Vein Occlusion | Drug: Faricimab Drug: Aflibercept Procedure: Sham Procedure | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 553 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Triple (Participant, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | A Phase III, Multicenter, Randomized, Double-Masked, Active Comparator-Controlled Study to Evaluate the Efficacy and Safety of Faricimab in Patients With Macular Edema Secondary to Branch Retinal Vein Occlusion |
Actual Study Start Date : | March 2, 2021 |
Actual Primary Completion Date : | July 6, 2022 |
Actual Study Completion Date : | June 12, 2023 |
Arm | Intervention/treatment |
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Experimental: Arm A: Faricimab Q4W (Part 1), Faricimab PTI (Part 2)
In Part 1 (Day 1 through Week 24), participants randomly assigned to Arm A will receive faricimab 6 milligrams (mg) by IVT injection once every 4 weeks (Q4W) from Day 1 through Week 20 (a total of 6 injections). In Part 2 (from Week 24 to Week 72), participants will receive faricimab 6 mg by IVT injection according to a personalized treatment interval (PTI) dosing regimen. To preserve masking for Part 2, a sham procedure will be administered during study visits at which no faricimab treatment is administered (according to the PTI dosing regimen).
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Drug: Faricimab
Faricimab will be administered by intravitreal (IVT) injection as specified in each treatment arm.
Other Names:
Procedure: Sham Procedure The sham is a procedure that mimics an intravitreal (IVT) injection, but involves the blunt end of an empty syringe (without a needle) being pressed against the anesthetized eye. It will be administered to participants in both treatments arms at applicable visits to maintain masking. |
Active Comparator: Arm B: Aflibercept Q4W (Part 1), Faricimab PTI (Part 2)
In Part 1 (Day 1 through Week 24), participants randomly assigned to Arm B will receive aflibercept 2 milligrams (mg) by IVT injection once every 4 weeks (Q4W) from Day 1 through Week 20 (a total of 6 injections). In Part 2 (from Week 24 to Week 72), participants will receive faricimab 6 mg by IVT injection according to a personalized treatment interval (PTI) dosing regimen. To preserve masking for Part 2, a sham procedure will be administered during study visits at which no faricimab treatment is administered (according to the PTI dosing regimen).
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Drug: Faricimab
Faricimab will be administered by intravitreal (IVT) injection as specified in each treatment arm.
Other Names:
Drug: Aflibercept Aflibercept 2 mg will be administered by IVT injection once every 4 weeks (Q4W) from Day 1 through Week 20 (a total of 6 injections).
Other Name: Eylea Procedure: Sham Procedure The sham is a procedure that mimics an intravitreal (IVT) injection, but involves the blunt end of an empty syringe (without a needle) being pressed against the anesthetized eye. It will be administered to participants in both treatments arms at applicable visits to maintain masking. |
- Part 1: Change from Baseline in Best-Corrected Visual Acuity (BCVA) at Week 24 [ Time Frame: From Baseline to Week 24 ]
- Part 1: Change from Baseline in BCVA at Specified Timepoints Through Week 24 [ Time Frame: Baseline, Weeks 4, 8, 12, 16, 20, and 24 ]
- Part 1: Percentage of Participants Gaining ≥15 Letters in BCVA from Baseline at Week 24 [ Time Frame: Baseline and Week 24 ]
- Part 1: Percentage of Participants Gaining ≥15 Letters in BCVA from Baseline at Specified Timepoints Through Week 24 [ Time Frame: Baseline, Weeks 4, 8, 12, 16, 20, and 24 ]
- Part 1: Percentage of Participants Gaining ≥10 Letters in BCVA from Baseline at Specified Timepoints Through Week 24 [ Time Frame: Baseline, Weeks 4, 8, 12, 16, 20, and 24 ]
- Part 1: Percentage of Participants Gaining ≥5 Letters in BCVA from Baseline at Specified Timepoints Through Week 24 [ Time Frame: Baseline, Weeks 4, 8, 12, 16, 20, and 24 ]
- Part 1: Percentage of Participants Gaining >0 Letters in BCVA from Baseline at Specified Timepoints Through Week 24 [ Time Frame: Baseline, Weeks 4, 8, 12, 16, 20, and 24 ]
- Part 1: Percentage of Participants Avoiding a Loss of ≥15 Letters in BCVA from Baseline at Specified Timepoints Through Week 24 [ Time Frame: Baseline, Weeks 4, 8, 12, 16, 20, and 24 ]
- Part 1: Percentage of Participants Avoiding a Loss of ≥10 Letters in BCVA from Baseline at Specified Timepoints Through Week 24 [ Time Frame: Baseline, Weeks 4, 8, 12, 16, 20, and 24 ]
- Part 1: Percentage of Participants Avoiding a Loss of ≥5 Letters in BCVA from Baseline at Specified Timepoints Through Week 24 [ Time Frame: Baseline, Weeks 4, 8, 12, 16, 20, and 24 ]
- Part 1: Percentage of Participants Achieving ≥84 Letters (20/20 Snellen Equivalent) in BCVA at Specified Timepoints Through Week 24 [ Time Frame: Baseline, Weeks 4, 8, 12, 16, 20, and 24 ]
- Part 1: Percentage of Participants Achieving ≥69 Letters (20/40 or Better Snellen Equivalent) in BCVA at Specified Timepoints Through Week 24 [ Time Frame: Baseline, Weeks 4, 8, 12, 16, 20, and 24 ]
- Part 1: Percentage of Participants with ≤38 Letters (20/200 or Worse Snellen Equivalent) in BCVA at Specified Timepoints Through Week 24 [ Time Frame: Baseline, Weeks 4, 8, 12, 16, 20, and 24 ]
- Part 1: Change from Baseline in Central Subfield Thickness at Specified Timepoints Through Week 24 [ Time Frame: Baseline, Weeks 4, 8, 12, 16, 20, and 24 ]
- Part 1: Percentage of Participants with Absence of Macular Edema at Specified Timepoints Through Week 24 [ Time Frame: Baseline, Weeks 4, 8, 12, 16, 20, and 24 ]
- Part 1: Percentage of Participants with Absence of Intraretinal Fluid in the Study Eye at Specified Timepoints Through Week 24 [ Time Frame: Baseline, Weeks 4, 8, 12, 16, 20, and 24 ]
- Part 1: Percentage of Participants with Absence of Subretinal Fluid in the Study Eye at Specified Timepoints Through Week 24 [ Time Frame: Baseline, Weeks 4, 8, 12, 16, 20, and 24 ]
- Part 1: Percentage of Participants with Absence of Intraretinal Fluid and Subretinal Fluid in the Study Eye at Specified Timepoints Through Week 24 [ Time Frame: Baseline, Weeks 4, 8, 12, 16, 20, and 24 ]
- Part 1: Change from Baseline in National Eye Institute 25-Item Visual Functioning Questionnaire (NEI VFQ-25) Composite Score at Week 24 [ Time Frame: Baseline and Week 24 ]
- Parts 1 and 2: Change from Baseline in BCVA at Specified Timepoints Through Week 72 [ Time Frame: Baseline and every 4 weeks from Week 4 to Week 72 ]
- Parts 1 and 2: Percentage of Participants Gaining ≥15 Letters in BCVA from Baseline at Specified Timepoints Through Week 72 [ Time Frame: Baseline and every 4 weeks from Week 4 to Week 72 ]
- Parts 1 and 2: Percentage of Participants Gaining ≥10 Letters in BCVA from Baseline at Specified Timepoints Through Week 72 [ Time Frame: Baseline and every 4 weeks from Week 4 to Week 72 ]
- Parts 1 and 2: Percentage of Participants Gaining ≥5 Letters in BCVA from Baseline at Specified Timepoints Through Week 72 [ Time Frame: Baseline and every 4 weeks from Week 4 to Week 72 ]
- Parts 1 and 2: Percentage of Participants Gaining >0 Letters in BCVA from Baseline at Specified Timepoints Through Week 72 [ Time Frame: Baseline and every 4 weeks from Week 4 to Week 72 ]
- Parts 1 and 2: Percentage of Participants Avoiding a Loss of ≥15 Letters in BCVA from Baseline at Specified Timepoints Through Week 72 [ Time Frame: Baseline and every 4 weeks from Week 4 to Week 72 ]
- Parts 1 and 2: Percentage of Participants Avoiding a Loss of ≥10 Letters in BCVA from Baseline at Specified Timepoints Through Week 72 [ Time Frame: Baseline and every 4 weeks from Week 4 to Week 72 ]
- Parts 1 and 2: Percentage of Participants Avoiding a Loss of ≥5 Letters in BCVA from Baseline at Specified Timepoints Through Week 72 [ Time Frame: Baseline and every 4 weeks from Week 4 to Week 72 ]
- Parts 1 and 2: Percentage of Participants Achieving ≥84 Letters (20/20 Snellen Equivalent) in BCVA at Specified Timepoints Through Week 72 [ Time Frame: Every 4 weeks from Week 4 to Week 72 ]
- Parts 1 and 2: Percentage of Participants Achieving ≥69 Letters (20/40 or Better Snellen Equivalent) in BCVA at Specified Timepoints Through Week 72 [ Time Frame: Every 4 weeks from Week 4 to Week 72 ]
- Parts 1 and 2: Percentage of Participants with ≤38 Letters (20/200 or Worse Snellen Equivalent) in BCVA at Specified Timepoints Through Week 72 [ Time Frame: Every 4 weeks from Week 4 to Week 72 ]
- Parts 1 and 2: Change from Baseline in NEI VFQ-25 Questionnaire Composite Score at Specified Timepoints Through Week 72 [ Time Frame: Baseline, Weeks 24, 48, and 72 ]
- Parts 1 and 2: Change from Baseline in Central Subfield Thickness at Specified Timepoints Through Week 72 [ Time Frame: Baseline and every 4 weeks from Week 4 to Week 72 ]
- Parts 1 and 2: Percentage of Participants with Absence of Macular Edema at Specified Timepoints Through Week 72 [ Time Frame: Baseline and every 4 weeks from Week 4 to Week 72 ]
- Parts 1 and 2: Percentage of Participants with Absence of Intraretinal Fluid at Specified Timepoints Through Week 72 [ Time Frame: Baseline and every 4 weeks from Week 4 to Week 72 ]
- Parts 1 and 2: Percentage of Participants with Absence of Subretinal Fluid at Specified Timepoints Through Week 72 [ Time Frame: Baseline and every 4 weeks from Week 4 to Week 72 ]
- Parts 1 and 2: Percentage of Participants with Absence of Intraretinal Fluid and Subretinal Fluid at Specified Timepoints Through Week 72 [ Time Frame: Baseline and every 4 weeks from Week 4 to Week 72 ]
- Part 2: Change from Week 24 in BCVA at Specified Timepoints Through Week 72 [ Time Frame: Every 4 weeks from Week 24 to Week 72 ]
- Part 2: Percentage of Participants Avoiding a Loss of ≥15 Letters in BCVA from Week 24 at Specified Timepoints Through Week 72 [ Time Frame: Every 4 weeks from Week 24 to Week 72 ]
- Part 2: Percentage of Participants Avoiding a Loss of ≥10 Letters in BCVA from Week 24 at Specified Timepoints Through Week 72 [ Time Frame: Every 4 weeks from Week 24 to Week 72 ]
- Part 2: Percentage of Participants Avoiding a Loss of ≥5 Letters in BCVA from Week 24 at Specified Timepoints Through Week 72 [ Time Frame: Every 4 weeks from Week 24 to Week 72 ]
- Part 2: Percentage of Participants Avoiding a Loss of >0 Letters in BCVA from Week 24 at Specified Timepoints Through Week 72 [ Time Frame: Every 4 weeks from Week 24 to Week 72 ]
- Part 2: Percentage of Participants on Different Treatment Intervals at Week 68 [ Time Frame: Week 68 ]
- Part 2: Number of Study Drug Injections Received from Week 24 Through Week 72 [ Time Frame: From Week 24 to Week 72 ]
- Incidence and Severity of Ocular Adverse Events, with Severity Determined According to Adverse Event Severity Grading Scale [ Time Frame: From Baseline until end of study (up to 72 weeks) ]
- Incidence and Severity of Non-Ocular Adverse Events, with Severity Determined According to Adverse Event Severity Grading Scale [ Time Frame: From Baseline until end of study (up to 72 weeks) ]
- Plasma Concentration of Faricimab Over Time [ Time Frame: Predose at Day 1, Weeks 4, 24, 28, 52, and 72 ]
- Number of Participants with Anti-Drug Antibodies (ADAs) to Faricimab at Baseline and During the Study [ Time Frame: Predose at Day 1 (Baseline), Weeks 4, 24, 28, 52, and 72 ]

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Foveal center-involved macular edema due to branch retinal vein occlusion (BRVO), diagnosed no longer than 4 months prior to the screening visit
- Best-corrected visual acuity (BCVA) of 73 to 19 letters, inclusive (20/40 to 20/400 approximate Snellen equivalent) on Day 1
- Sufficiently clear ocular media and adequate pupillary dilatation to allow acquisition of good quality retinal images to confirm diagnosis
- For women of childbearing potential: agreement to remain abstinent or use contraception, and agreement to refrain from donating eggs during the treatment period and for 3 months after the final dose of study treatment
Exclusion Criteria:
- Any major illness or major surgical procedure within 1 month before screening
- Uncontrolled blood pressure
- Stroke (cerebral vascular accident) or myocardial infarction within 6 months prior to Day 1
- Pregnant or breastfeeding, or intending to become pregnant during the study
Ocular Exclusion Criteria for Study Eye:
- History of previous episodes of macular edema due to RVO or persistent macular edema due to RVO diagnosed more than 4 months before screening
- Any current ocular condition which, in the opinion of the investigator, is currently causing or could be expected to contribute to irreversible vision loss due to a cause other than macular edema due to RVO in the study eye (e.g., ischemic maculopathy, Irvine-Gass syndrome, foveal atrophy, foveal fibrosis, pigment abnormalities, dense subfoveal hard exudates, or other non-retinal conditions)
- Macular laser (focal/grid) in the study eye at any time prior to Day 1
- Panretinal photocoagulation in the study eye within 3 months prior to Day 1 or anticipated within 3 months of study start on Day 1
- Any prior or current treatment for macular edema; macular neovascularization, including diabetic macular edema (DME) and neovascular age-related macular degeneration (nAMD); and vitreomacular-interface abnormalities, including, but not restricted to, IVT treatment with anti-VEGF, steroids, tissue plasminogen activator, ocriplasmin, C3F8, air or periocular injection
- Any prior intervention with verteporfin photodynamic therapy, diode laser, transpupillary thermotherapy, or vitreo-retinal surgery including sheatotomy
- Any prior steroid implant use including dexamethasone intravitreal implant (Ozurdex) and fluocinolone acetonide intravitreal implant (Iluvien)
Ocular Exclusion Criteria for Both Eyes:
- Prior IVT administration of faricimab in either eye
- History of idiopathic or autoimmune-associated uveitis in either eye
- Active periocular, ocular or intraocular inflammation or infection (including suspected) in either eye on Day 1

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04740905

Study Director: | Clinical Trials | Hoffmann-La Roche |
Responsible Party: | Hoffmann-La Roche |
ClinicalTrials.gov Identifier: | NCT04740905 |
Other Study ID Numbers: |
GR41984 2020-000440-63 ( EudraCT Number ) |
First Posted: | February 5, 2021 Key Record Dates |
Last Update Posted: | July 13, 2023 |
Last Verified: | July 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Yes |
Plan Description: | Qualified researchers may request access to individual patient level data through the request platform (www.vivli.org). Further details on Roche's criteria for eligible studies are available here (https://vivli.org/ourmember/roche/). For further details on Roche's Global Policy on Sharing of Clinical Study Information and how to request access to related clinical study documents, see here (https://www.roche.com/innovation/process/clinical-trials/data-sharing/). |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
BRVO |
Macular Edema Retinal Vein Occlusion Edema Macular Degeneration Retinal Degeneration Retinal Diseases Eye Diseases Venous Thrombosis Thrombosis Embolism and Thrombosis |
Vascular Diseases Cardiovascular Diseases Aflibercept Faricimab Angiogenesis Inhibitors Angiogenesis Modulating Agents Growth Substances Physiological Effects of Drugs Growth Inhibitors Antineoplastic Agents |