抵抗性クローン病に対する自体白血球幹細胞移植:ランダム化臨床試験
Christopher J Hawkey1, Matthieu Allez2, Miranda M Clark1
1Nottingham Digestive Diseases Centre, School of Clinical Sciences, Queens Medical Centre, Nottingham, United Kingdom.
JAMA
|December 17, 2015
まとめ
血管新生幹細胞移植 (HSCT) は,耐性クローン病患者の持続的な寛解を有意に改善しませんでした. 治療は有意な毒性を示し,これらの発見は,その広範な使用を支持しません.
科学分野:
- 胃腸内科
- 免疫学
- 移植医学
背景:
- クローン病は慢性的な炎症性腸疾患です.
- 耐性疾患では 生活の質が低下し 治療の選択肢も限られています
- 血液形成性幹細胞移植 (HSCT) は潜在的な治療法として検討されている.
研究 の 目的:
- 耐火性クローン病の成人の患者における自己性HSCTの有効性と安全性を評価する.
- ランダム化臨床試験において,HSCTと従来の治療を比較する.
主な方法:
- 11のヨーロッパ移植ユニットで並列グループによるランダム化臨床試験が行われました.
- 耐性クローン病の患者は,免疫解消とHSCT,または標準治療 (HSCT 延期) を受けました.
- 臨床的,内視的,放射線学的基準によって定義された1年後の持続的な疾患寛解が主なエンドポイントでした.
主要な成果:
- HSCT患者の8. 7%で,対照群の4. 5%で1年後の持続的な寛解が達成された (P=0. 60).
- より多くのHSCT患者で免疫抑制療法が中止された (61%対23%,P=0. 01).
- 重篤な有害事象はHSCT群で多く,1人の死亡が報告されました.
結論:
- 1年後の耐性クローン病の持続的な寛解に統計的に有意な改善をもたらさなかった.
- この処置は有意な毒性に関連していた.
- 現在の証拠は,この患者集団におけるHSCTの広範な使用を支持していません.
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