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Robot-Assisted Kidney Transplantation
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腎臓移植におけるベリムマブ:実験薬,ランダム化,プラセボ対照第2相試験
Gemma D Banham1, Shaun M Flint2, Nicholas Torpey3
1Department of Medicine, University of Cambridge School of Clinical Medicine, Cambridge, UK; National Institute of Health Research (NIHR) Cambridge Biomedical Research Centre, Cambridge, UK.
Lancet (London, England)
|June 19, 2018
まとめ
腎臓移植を受けた患者では,ベリムマブがナイヴB細胞を有意に減少させなかった. しかし,プラセボと比較して重篤な感染症の減少に潜在的利点を示し,移植結果を改善する可能性があることを示唆しました.
科学分野:
- 腎臓科
- 免疫学
- 移植
背景:
- B細胞とアロ抗体は腎臓移植の生存に悪影響を及ぼします.
- 調節性B細胞は移植耐性に関連しています.
- ターゲティングBリンパ球刺激器 (BLyS) は,新しい免疫療法アプローチを提供することができる.
研究 の 目的:
- 腎臓移植患者における抗BLyS抗体のベリムマブの安全性と活性性を評価する.
- ベリムマブがデノボIgG生成と調節性B細胞に与える影響を評価する.
- ベリムマブがナイブB細胞濃度に影響するかどうかを判断する.
主な方法:
- ダブルブラインド,ランダム化,プラセボ対照のフェーズ2試験が行われました.
- 成人腎臓移植患者は 標準的な免疫抑制とベリムマブまたはプラセボを投与された.
- 同主評価項目は,安全性および初期B細胞の変化でした.
主要な成果:
- 28人の患者がランダム化され,25人が修正された治療意図群に含まれていた.
- 重症感染症はベリムマブ群ではより少ない (8% vs 38%).
- ベリムマブはナイブB細胞を有意に減少させなかった (調整された平均差 −34. 4細胞/μL).
結論:
- ベリムマブは,腎臓移植における標準的な免疫抑制に有益な補足となる可能性があります.
- ベリムマブでは感染リスクの大幅な増加は認められなかった.
- 腎臓移植を受けた患者の体内免疫にベリムマブが役立つ可能性がある.
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