Sozinibercept (Anti-VEGF-C/-D) Combined with Ranibizumab for Polypoidal Choroidal Vasculopathy: Phase IIb Predefined Subgroup Analysis

The aim of this study was to assess the efficacy of sozinibercept, a novel “trap” inhibitor of VEGF-C and VEGF-D, when combined with ranibizumab for the treatment of polypoidal choroidal vasculopathy (PCV). Prespecified subgroup analysis of a randomized, double-masked, sham-controlled phase IIb tria...

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Published inOphthalmology science (Online) Vol. 5; no. 4; p. 100759
Main Authors Cheung, Chui Ming Gemmy, Jackson, Timothy L., Wykoff, Charles C., Khanani, Arshad M., Leitch, Ian M., Baldwin, Megan E., Slakter, Jason
Format Journal Article
LanguageEnglish
Published Netherlands Elsevier Inc 01.07.2025
Elsevier
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Online AccessGet full text
ISSN2666-9145
2666-9145
DOI10.1016/j.xops.2025.100759

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Abstract The aim of this study was to assess the efficacy of sozinibercept, a novel “trap” inhibitor of VEGF-C and VEGF-D, when combined with ranibizumab for the treatment of polypoidal choroidal vasculopathy (PCV). Prespecified subgroup analysis of a randomized, double-masked, sham-controlled phase IIb trial. Adults with treatment-naïve neovascular age-related macular degeneration. Participants were randomized 1:1:1 to receive a total of 6 intravitreal injections of ranibizumab 0.5 mg given 4-weekly, in combination with either 0.5 mg sozinibercept, 2 mg sozinibercept, or sham injection (control). Active PCV was determined at baseline by masked readers at an independent imaging center based on multimodal imaging, including OCT (notched, sharply peaked, or multilobular pigment epithelial detachments with or without a ring of hyperreflectivity along the inner border), fundus photography (subretinal orange nodules), and fluorescein angiography (typical primarily occult multifocal lesions). The primary end point was mean change from baseline in best-corrected visual acuity (BCVA) through week 24. Secondary end points included categorical changes in BCVA from baseline, anatomical changes in lesion morphology, and safety. Of 366 participants, PCV was identified in 66 (18%) using predefined criteria. Sozinibercept combination therapy produced a dose response, with a mean BCVA change from baseline to week 24 of +13.54 (2 mg, n = 22) and +10.87 (0.5 mg, n = 24) letters compared with +6.9 letters for ranibizumab (n = 20), respectively. The 2 mg sozinibercept combination group had a superior BCVA gain versus ranibizumab (+6.7 letter difference in least squares mean; P = 0.0253) with more participants gaining ≥10 letters (77.3 vs. 47.4%) and ≥15 letters (40.9 vs. 31.6%) and fewer losing ≥5 letters (4.5 vs. 15.8%). Anatomic responses were consistent with functional outcomes and at week 24, fewer participants in the 2 mg sozinibercept combination group had subretinal fluid (19%) or intraretinal cysts (9.1%) than with ranibizumab monotherapy (42.1% and 25%, respectively). The safety profile of sozinibercept combination therapy was similar to ranibizumab. In this predefined phase IIb subgroup of patients with PCV, sozinibercept combination therapy through inhibition of VEGF-C/-D achieved improved visual and anatomic outcomes compared with ranibizumab monotherapy consistent with the overall population. Proprietary or commercial disclosure may be found in the Footnotes and Disclosures at the end of this article.
AbstractList The aim of this study was to assess the efficacy of sozinibercept, a novel “trap” inhibitor of VEGF-C and VEGF-D, when combined with ranibizumab for the treatment of polypoidal choroidal vasculopathy (PCV). Prespecified subgroup analysis of a randomized, double-masked, sham-controlled phase IIb trial. Adults with treatment-naïve neovascular age-related macular degeneration. Participants were randomized 1:1:1 to receive a total of 6 intravitreal injections of ranibizumab 0.5 mg given 4-weekly, in combination with either 0.5 mg sozinibercept, 2 mg sozinibercept, or sham injection (control). Active PCV was determined at baseline by masked readers at an independent imaging center based on multimodal imaging, including OCT (notched, sharply peaked, or multilobular pigment epithelial detachments with or without a ring of hyperreflectivity along the inner border), fundus photography (subretinal orange nodules), and fluorescein angiography (typical primarily occult multifocal lesions). The primary end point was mean change from baseline in best-corrected visual acuity (BCVA) through week 24. Secondary end points included categorical changes in BCVA from baseline, anatomical changes in lesion morphology, and safety. Of 366 participants, PCV was identified in 66 (18%) using predefined criteria. Sozinibercept combination therapy produced a dose response, with a mean BCVA change from baseline to week 24 of +13.54 (2 mg, n = 22) and +10.87 (0.5 mg, n = 24) letters compared with +6.9 letters for ranibizumab (n = 20), respectively. The 2 mg sozinibercept combination group had a superior BCVA gain versus ranibizumab (+6.7 letter difference in least squares mean; P = 0.0253) with more participants gaining ≥10 letters (77.3 vs. 47.4%) and ≥15 letters (40.9 vs. 31.6%) and fewer losing ≥5 letters (4.5 vs. 15.8%). Anatomic responses were consistent with functional outcomes and at week 24, fewer participants in the 2 mg sozinibercept combination group had subretinal fluid (19%) or intraretinal cysts (9.1%) than with ranibizumab monotherapy (42.1% and 25%, respectively). The safety profile of sozinibercept combination therapy was similar to ranibizumab. In this predefined phase IIb subgroup of patients with PCV, sozinibercept combination therapy through inhibition of VEGF-C/-D achieved improved visual and anatomic outcomes compared with ranibizumab monotherapy consistent with the overall population. Proprietary or commercial disclosure may be found in the Footnotes and Disclosures at the end of this article.
The aim of this study was to assess the efficacy of sozinibercept, a novel "trap" inhibitor of VEGF-C and VEGF-D, when combined with ranibizumab for the treatment of polypoidal choroidal vasculopathy (PCV).PurposeThe aim of this study was to assess the efficacy of sozinibercept, a novel "trap" inhibitor of VEGF-C and VEGF-D, when combined with ranibizumab for the treatment of polypoidal choroidal vasculopathy (PCV).Prespecified subgroup analysis of a randomized, double-masked, sham-controlled phase IIb trial.DesignPrespecified subgroup analysis of a randomized, double-masked, sham-controlled phase IIb trial.Adults with treatment-naïve neovascular age-related macular degeneration.ParticipantsAdults with treatment-naïve neovascular age-related macular degeneration.Participants were randomized 1:1:1 to receive a total of 6 intravitreal injections of ranibizumab 0.5 mg given 4-weekly, in combination with either 0.5 mg sozinibercept, 2 mg sozinibercept, or sham injection (control). Active PCV was determined at baseline by masked readers at an independent imaging center based on multimodal imaging, including OCT (notched, sharply peaked, or multilobular pigment epithelial detachments with or without a ring of hyperreflectivity along the inner border), fundus photography (subretinal orange nodules), and fluorescein angiography (typical primarily occult multifocal lesions).MethodsParticipants were randomized 1:1:1 to receive a total of 6 intravitreal injections of ranibizumab 0.5 mg given 4-weekly, in combination with either 0.5 mg sozinibercept, 2 mg sozinibercept, or sham injection (control). Active PCV was determined at baseline by masked readers at an independent imaging center based on multimodal imaging, including OCT (notched, sharply peaked, or multilobular pigment epithelial detachments with or without a ring of hyperreflectivity along the inner border), fundus photography (subretinal orange nodules), and fluorescein angiography (typical primarily occult multifocal lesions).The primary end point was mean change from baseline in best-corrected visual acuity (BCVA) through week 24. Secondary end points included categorical changes in BCVA from baseline, anatomical changes in lesion morphology, and safety.Main Outcome MeasuresThe primary end point was mean change from baseline in best-corrected visual acuity (BCVA) through week 24. Secondary end points included categorical changes in BCVA from baseline, anatomical changes in lesion morphology, and safety.Of 366 participants, PCV was identified in 66 (18%) using predefined criteria. Sozinibercept combination therapy produced a dose response, with a mean BCVA change from baseline to week 24 of +13.54 (2 mg, n = 22) and +10.87 (0.5 mg, n = 24) letters compared with +6.9 letters for ranibizumab (n = 20), respectively. The 2 mg sozinibercept combination group had a superior BCVA gain versus ranibizumab (+6.7 letter difference in least squares mean; P = 0.0253) with more participants gaining ≥10 letters (77.3 vs. 47.4%) and ≥15 letters (40.9 vs. 31.6%) and fewer losing ≥5 letters (4.5 vs. 15.8%). Anatomic responses were consistent with functional outcomes and at week 24, fewer participants in the 2 mg sozinibercept combination group had subretinal fluid (19%) or intraretinal cysts (9.1%) than with ranibizumab monotherapy (42.1% and 25%, respectively). The safety profile of sozinibercept combination therapy was similar to ranibizumab.ResultsOf 366 participants, PCV was identified in 66 (18%) using predefined criteria. Sozinibercept combination therapy produced a dose response, with a mean BCVA change from baseline to week 24 of +13.54 (2 mg, n = 22) and +10.87 (0.5 mg, n = 24) letters compared with +6.9 letters for ranibizumab (n = 20), respectively. The 2 mg sozinibercept combination group had a superior BCVA gain versus ranibizumab (+6.7 letter difference in least squares mean; P = 0.0253) with more participants gaining ≥10 letters (77.3 vs. 47.4%) and ≥15 letters (40.9 vs. 31.6%) and fewer losing ≥5 letters (4.5 vs. 15.8%). Anatomic responses were consistent with functional outcomes and at week 24, fewer participants in the 2 mg sozinibercept combination group had subretinal fluid (19%) or intraretinal cysts (9.1%) than with ranibizumab monotherapy (42.1% and 25%, respectively). The safety profile of sozinibercept combination therapy was similar to ranibizumab.In this predefined phase IIb subgroup of patients with PCV, sozinibercept combination therapy through inhibition of VEGF-C/-D achieved improved visual and anatomic outcomes compared with ranibizumab monotherapy consistent with the overall population.ConclusionsIn this predefined phase IIb subgroup of patients with PCV, sozinibercept combination therapy through inhibition of VEGF-C/-D achieved improved visual and anatomic outcomes compared with ranibizumab monotherapy consistent with the overall population.Proprietary or commercial disclosure may be found in the Footnotes and Disclosures at the end of this article.Financial DisclosuresProprietary or commercial disclosure may be found in the Footnotes and Disclosures at the end of this article.
The aim of this study was to assess the efficacy of sozinibercept, a novel "trap" inhibitor of VEGF-C and VEGF-D, when combined with ranibizumab for the treatment of polypoidal choroidal vasculopathy (PCV). Prespecified subgroup analysis of a randomized, double-masked, sham-controlled phase IIb trial. Adults with treatment-naïve neovascular age-related macular degeneration. Participants were randomized 1:1:1 to receive a total of 6 intravitreal injections of ranibizumab 0.5 mg given 4-weekly, in combination with either 0.5 mg sozinibercept, 2 mg sozinibercept, or sham injection (control). Active PCV was determined at baseline by masked readers at an independent imaging center based on multimodal imaging, including OCT (notched, sharply peaked, or multilobular pigment epithelial detachments with or without a ring of hyperreflectivity along the inner border), fundus photography (subretinal orange nodules), and fluorescein angiography (typical primarily occult multifocal lesions). The primary end point was mean change from baseline in best-corrected visual acuity (BCVA) through week 24. Secondary end points included categorical changes in BCVA from baseline, anatomical changes in lesion morphology, and safety. Of 366 participants, PCV was identified in 66 (18%) using predefined criteria. Sozinibercept combination therapy produced a dose response, with a mean BCVA change from baseline to week 24 of +13.54 (2 mg, n = 22) and +10.87 (0.5 mg, n = 24) letters compared with +6.9 letters for ranibizumab (n = 20), respectively. The 2 mg sozinibercept combination group had a superior BCVA gain versus ranibizumab (+6.7 letter difference in least squares mean; = 0.0253) with more participants gaining ≥10 letters (77.3 vs. 47.4%) and ≥15 letters (40.9 vs. 31.6%) and fewer losing ≥5 letters (4.5 vs. 15.8%). Anatomic responses were consistent with functional outcomes and at week 24, fewer participants in the 2 mg sozinibercept combination group had subretinal fluid (19%) or intraretinal cysts (9.1%) than with ranibizumab monotherapy (42.1% and 25%, respectively). The safety profile of sozinibercept combination therapy was similar to ranibizumab. In this predefined phase IIb subgroup of patients with PCV, sozinibercept combination therapy through inhibition of VEGF-C/-D achieved improved visual and anatomic outcomes compared with ranibizumab monotherapy consistent with the overall population. Proprietary or commercial disclosure may be found in the Footnotes and Disclosures at the end of this article.
PurposeThe aim of this study was to assess the efficacy of sozinibercept, a novel “trap” inhibitor of VEGF-C and VEGF-D, when combined with ranibizumab for the treatment of polypoidal choroidal vasculopathy (PCV). DesignPrespecified subgroup analysis of a randomized, double-masked, sham-controlled phase IIb trial. ParticipantsAdults with treatment-naïve neovascular age-related macular degeneration. MethodsParticipants were randomized 1:1:1 to receive a total of 6 intravitreal injections of ranibizumab 0.5 mg given 4-weekly, in combination with either 0.5 mg sozinibercept, 2 mg sozinibercept, or sham injection (control). Active PCV was determined at baseline by masked readers at an independent imaging center based on multimodal imaging, including OCT (notched, sharply peaked, or multilobular pigment epithelial detachments with or without a ring of hyperreflectivity along the inner border), fundus photography (subretinal orange nodules), and fluorescein angiography (typical primarily occult multifocal lesions). Main Outcome MeasuresThe primary end point was mean change from baseline in best-corrected visual acuity (BCVA) through week 24. Secondary end points included categorical changes in BCVA from baseline, anatomical changes in lesion morphology, and safety. ResultsOf 366 participants, PCV was identified in 66 (18%) using predefined criteria. Sozinibercept combination therapy produced a dose response, with a mean BCVA change from baseline to week 24 of +13.54 (2 mg, n = 22) and +10.87 (0.5 mg, n = 24) letters compared with +6.9 letters for ranibizumab (n = 20), respectively. The 2 mg sozinibercept combination group had a superior BCVA gain versus ranibizumab (+6.7 letter difference in least squares mean; P = 0.0253) with more participants gaining ≥10 letters (77.3 vs. 47.4%) and ≥15 letters (40.9 vs. 31.6%) and fewer losing ≥5 letters (4.5 vs. 15.8%). Anatomic responses were consistent with functional outcomes and at week 24, fewer participants in the 2 mg sozinibercept combination group had subretinal fluid (19%) or intraretinal cysts (9.1%) than with ranibizumab monotherapy (42.1% and 25%, respectively). The safety profile of sozinibercept combination therapy was similar to ranibizumab. ConclusionsIn this predefined phase IIb subgroup of patients with PCV, sozinibercept combination therapy through inhibition of VEGF-C/-D achieved improved visual and anatomic outcomes compared with ranibizumab monotherapy consistent with the overall population. Financial Disclosure(s)Proprietary or commercial disclosure may be found in the Footnotes and Disclosures at the end of this article.
Purpose: The aim of this study was to assess the efficacy of sozinibercept, a novel “trap” inhibitor of VEGF-C and VEGF-D, when combined with ranibizumab for the treatment of polypoidal choroidal vasculopathy (PCV). Design: Prespecified subgroup analysis of a randomized, double-masked, sham-controlled phase IIb trial. Participants: Adults with treatment-naïve neovascular age-related macular degeneration. Methods: Participants were randomized 1:1:1 to receive a total of 6 intravitreal injections of ranibizumab 0.5 mg given 4-weekly, in combination with either 0.5 mg sozinibercept, 2 mg sozinibercept, or sham injection (control). Active PCV was determined at baseline by masked readers at an independent imaging center based on multimodal imaging, including OCT (notched, sharply peaked, or multilobular pigment epithelial detachments with or without a ring of hyperreflectivity along the inner border), fundus photography (subretinal orange nodules), and fluorescein angiography (typical primarily occult multifocal lesions). Main Outcome Measures: The primary end point was mean change from baseline in best-corrected visual acuity (BCVA) through week 24. Secondary end points included categorical changes in BCVA from baseline, anatomical changes in lesion morphology, and safety. Results: Of 366 participants, PCV was identified in 66 (18%) using predefined criteria. Sozinibercept combination therapy produced a dose response, with a mean BCVA change from baseline to week 24 of +13.54 (2 mg, n = 22) and +10.87 (0.5 mg, n = 24) letters compared with +6.9 letters for ranibizumab (n = 20), respectively. The 2 mg sozinibercept combination group had a superior BCVA gain versus ranibizumab (+6.7 letter difference in least squares mean; P = 0.0253) with more participants gaining ≥10 letters (77.3 vs. 47.4%) and ≥15 letters (40.9 vs. 31.6%) and fewer losing ≥5 letters (4.5 vs. 15.8%). Anatomic responses were consistent with functional outcomes and at week 24, fewer participants in the 2 mg sozinibercept combination group had subretinal fluid (19%) or intraretinal cysts (9.1%) than with ranibizumab monotherapy (42.1% and 25%, respectively). The safety profile of sozinibercept combination therapy was similar to ranibizumab. Conclusions: In this predefined phase IIb subgroup of patients with PCV, sozinibercept combination therapy through inhibition of VEGF-C/-D achieved improved visual and anatomic outcomes compared with ranibizumab monotherapy consistent with the overall population. Financial Disclosure(s): Proprietary or commercial disclosure may be found in the Footnotes and Disclosures at the end of this article.
ArticleNumber 100759
Author Baldwin, Megan E.
Wykoff, Charles C.
Khanani, Arshad M.
Leitch, Ian M.
Slakter, Jason
Cheung, Chui Ming Gemmy
Jackson, Timothy L.
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Issue 4
Keywords Polypoidal choroidal vasculopathy
PDT
PCV
IVT
PLANET
CNV
ICG
DARC
SD-OCT
TEAE
BCVA
Neovascular age-related macular degeneration
VEGF-C/-D
EVEREST II
nAMD
Sozinibercept
photodynamic therapy
Digital Angiography Reading Center
treatment emergent adverse event
choroidal neovascularization
spectral-domain OCT
indocyanine green
Efficacy and safety of verteportin photodynamic therapy in combination with ranibizumab or alone versus ranibizumab monotherapy in patients with symptomatic macular polypoidal choroidal vasculopathy
Efficacy and safety of intravitreal aflibercept for polypoidal choroidal vasculopathy
best-corrected visual acuity
intravitreal
Language English
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2025 by the American Academy of Ophthalmologyé.
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Snippet The aim of this study was to assess the efficacy of sozinibercept, a novel “trap” inhibitor of VEGF-C and VEGF-D, when combined with ranibizumab for the...
PurposeThe aim of this study was to assess the efficacy of sozinibercept, a novel “trap” inhibitor of VEGF-C and VEGF-D, when combined with ranibizumab for the...
The aim of this study was to assess the efficacy of sozinibercept, a novel "trap" inhibitor of VEGF-C and VEGF-D, when combined with ranibizumab for the...
Purpose: The aim of this study was to assess the efficacy of sozinibercept, a novel “trap” inhibitor of VEGF-C and VEGF-D, when combined with ranibizumab for...
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SubjectTerms Neovascular age-related macular degeneration
Ophthalmology
Polypoidal choroidal vasculopathy
Sozinibercept
VEGF-C/-D
Title Sozinibercept (Anti-VEGF-C/-D) Combined with Ranibizumab for Polypoidal Choroidal Vasculopathy: Phase IIb Predefined Subgroup Analysis
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https://dx.doi.org/10.1016/j.xops.2025.100759
https://www.ncbi.nlm.nih.gov/pubmed/40933661
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