硝子体内ファリシマブによる難治性糖尿病黄斑浮腫患者:人工知能を用いた6ヶ月間の水分解析
Nicolas Owlya1, Mickael Barbosa1, Nicolò Bartolomeo1
1Swiss Visio Retina Research Center, Swiss Visio Montchoisi, Avenue du Servan 38, Lausanne, 1006, Switzerland.
BMC ophthalmology
|February 6, 2026
まとめ
難治性糖尿病黄斑浮腫(DME)において、ファリシマブへの切り替えは、初期の視力および網膜の改善がわずかに認められました。二重標的療法は、アンギオポエチン-2(Ang-2)の阻害により、網膜内浮腫(IRF)を減少させる可能性があります。
科学分野:
- 眼科学
- 網膜疾患
- 糖尿病網膜症
背景:
- 糖尿病黄斑浮腫(DME)は、糖尿病患者における視力低下の主な原因です。
- 硝子体内(IVT)抗血管内皮増殖因子(VEGF)注射は、DMEの標準的な第一線治療です。
- 一部の患者は抗VEGF療法に部分的な反応しか示さず、代替治療が必要となります。
研究 の 目的:
- 治療抵抗性DME患者におけるアフリベルセプトからファリシマブへの切り替えの効果を調査すること。
- 視機能、網膜解剖、網膜内浮腫(IRF)動態に対するファリシマブの影響を評価すること。
- 抗VEGF療法に抵抗性のある患者におけるファリシマブの潜在的な利点を評価すること。
主な方法:
- アフリベルセプト抵抗性DME患者を対象とした、観察的、単一施設研究。
- 患者は、3ヶ月の導入期(毎月注射)の後、治療および延長レジメンに従って硝子体内ファリシマブを投与されました。
- 視力、中心黄斑厚、外網膜層(ONL)厚、および体液動態を6ヶ月まで評価しました。
主要な成果:
- 6ヶ月時点で、最良矯正視力は2.7 ETDRS文字改善しましたが、統計学的な有意差はありませんでした。
- 網膜内浮腫(IRF)の総量は4ヶ月時点で22%減少し、2ヶ月時点で-37%の最低値を示しました。
- 外網膜層(ONL)の厚さは、4ヶ月時点で特定の黄斑サブフィールドで有意な減少を示しました。
結論:
- ファリシマブは、治療抵抗性DME患者において、視力および網膜解剖の初期のわずかな改善を示しました。
- 観察されたIRFの減少は、アンギオポエチン-2(Ang-2)阻害の潜在的な役割を示唆しています。
- 治療抵抗性DMEに対するファリシマブの持続性と有効性を確認するには、長期的な研究が必要です。
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