VISION GAINS
VISION GAINS
VABYSMO met its primary endpoint of non-inferiority vs aflibercept 2 mg in the mean change from baseline in BCVA at year 1 (avg. of weeks 48, 52, and 56).1
Primary endpoint was measured by the ETDRS letter score and tested for non-inferiority using a margin of 4 letters. Differences in LS means in YOSEMITE were +0.7 letters (CI: [97.5%] -1.1, +2.5) for VABYSMO Q4W–Q16W and -0.2 letters (CI: [97.5%] -2.0, +1.6) for VABYSMO Q8W. Differences in LS means in RHINE were +0.5 letters (CI: [97.5%] -1.1, +2.1) for VABYSMO Q4W–Q16W and +1.5 letters (CI: [97.5%] -0.1, +3.2) for VABYSMO Q8W. A non-inferiority margin was not available for year 2.1
*After 4 monthly loading doses, patients in the VABYSMO Q4W-Q16W arm received a median of 7 injections over 2 years (max of 21), with a median of 3 in year 2 (max of 10).1,6
ANATOMICAL OUTCOMES
Rapid and sustained CST reductions (secondary endpoint)1,6,15
Assessment and Limitations:
Reduction in CST (ILM-BM) over time was a prespecified secondary endpoint. P values (for superiority testing) are nominal and not adjusted for multiplicity; no formal statistical conclusion should be made based on the P values. Clinical significance has not been established, and conclusions regarding treatment effect cannot be drawn.6
†After 4 monthly loading doses, patients in the VABYSMO Q4W-Q16W arm received a median of 7 injections over 2 years (max of 21), with a median of 3 in year 2 (max of 10).1,6
Rapid and sustained resolution of IRF (secondary endpoint)6,15
Assessment and Limitations:
Retinal drying is defined as absence of IRF. Absence of IRF was a prespecified secondary endpoint. P values (for superiority testing) are nominal and not adjusted for multiplicity; no formal statistical conclusion should be made based on the P values. Clinical significance has not been established, and conclusions regarding treatment effect cannot be drawn.6
Limitations of Analysis:
This is a post-hoc analysis and is not prespecified. The statistical significance of these results cannot be determined and the clinical significance of these results is unknown. The 50th percentile line describes the time point where absence of IRF was observed for 50% of patients in each treatment arm. No formal comparison can be made.
TREATMENT INTERVALS
‡Although VABYSMO may need to be dosed as frequently as every 4 weeks after the first 4 doses, additional efficacy was not demonstrated in most patients compared to every 8 weeks.1
§If resolution of fluid based on CST is achieved, the interval may be modified based on CST and visual acuity in ≤4-week increment extensions, or ≤8-week increment reductions.1
VABYSMO can be administered via one of two regimens:1
‡Although VABYSMO may need to be dosed as frequently as every 4 weeks after the first 4 doses, additional efficacy was not demonstrated in most patients compared to every 8 weeks.1
§If resolution of fluid based on CST is achieved, the interval may be modified based on CST and visual acuity in ≤4-week increment extensions, or ≤8-week increment reductions.1
After 4 loading doses, VABYSMO Q4W—Q16W patients received a median of 7 injections over 2 years (max of 21)1,6¶
Assessment and Limitations:
The proportion of patients on each dosing interval was a prespecified secondary endpoint. Not controlled for type 1 error, therefore, no formal conclusions can be drawn. Different inclusion/exclusion criteria and disease activity criteria may generate different results. The disease activity criteria utilized are not validated and the aflibercept arm was not dosed similarly.6
¶This range excludes patients that did not complete the full 2-year protocol. The range for all enrolled patients was 1–21 total injections.1,6
#At week 56, 32% completed one full Q16W interval.17% were treated on Q8W and/or Q4W (7% on Q4W only) through week 56.1
Patient case: Extension to Q16W maintained through 2 years17
This patient was a participant with DME receiving VABYSMO in clinical trials. Individual results may vary.
No serious ocular adverse drug reactions were observed/reported in the treated eye.
BCVA=best corrected visual acuity; CST=central subfield thickness; DME=diabetic macular edema; ETDRS=Early Treatment Diabetic Retinopathy Study; ILM-BM=inner limiting membrane-Bruch membrane; IRF=intraretinal fluid; LS=least squares; OCT=optical coherence tomography; Q4W=every 4 weeks; Q8W=every 8 weeks; Q12W=every 12 weeks; Q16W=every 16 weeks.
VABYSMO [package insert]. South San Francisco, CA: Genentech, Inc; 2023.
VABYSMO [package insert]. South San Francisco, CA: Genentech, Inc; 2023.
Beovu® (brolucizumab-dbll) [package insert]. East Hanover, NJ: Novartis; 2022.
Beovu® (brolucizumab-dbll) [package insert]. East Hanover, NJ: Novartis; 2022.
Eylea® (aflibercept) [package insert]. Tarrytown, NY: Regeneron Pharmaceuticals, Inc; 2023.
Eylea® (aflibercept) [package insert]. Tarrytown, NY: Regeneron Pharmaceuticals, Inc; 2023.
LUCENTIS® (ranibizumab) [package insert]. South San Francisco, CA: Genentech, Inc; 2018.
LUCENTIS® (ranibizumab) [package insert]. South San Francisco, CA: Genentech, Inc; 2018.
SUSVIMO™ (ranibizumab injection) [package insert]. South San Francisco, CA: Genentech, Inc; 2022.
SUSVIMO™ (ranibizumab injection) [package insert]. South San Francisco, CA: Genentech, Inc; 2022.
Data on file. South San Francisco, CA: Genentech, Inc.
Data on file. South San Francisco, CA: Genentech, Inc.
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