What are the contraindications for mesenchymal stem cell (MSC) therapy?

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间充质干细胞治疗的禁忌症

间充质干细胞治疗的主要禁忌症包括活动性恶性肿瘤、严重血液系统疾病以及严重心肺功能障碍,这些患者不应接受间充质干细胞治疗。 1

绝对禁忌症

  • 活动性恶性肿瘤:美国血液学会明确指出,活动性恶性肿瘤患者不应接受间充质干细胞治疗,因为干细胞可能促进肿瘤生长 1, 2
  • 严重血液系统疾病:欧洲心脏病学会建议,严重血液系统疾病患者不应接受间充质干细胞治疗,因为这可能增加血栓形成风险 1, 3
  • 严重心肺功能障碍:美国胸科学会建议,严重心肺功能障碍患者不应接受间充质干细胞治疗,因为可能导致微栓塞并恶化心肺功能 1

相对禁忌症

  • 高凝状态患者:这类患者接受间充质干细胞治疗时风险增加,特别是使用脂肪来源的间充质干细胞(AT-MSCs)时,因其具有较强的促凝血活性 3
  • 不可逆的右心室功能衰竭:这类患者可能不适合接受间充质干细胞治疗,因为可能加重心功能障碍 4
  • 预期生存期少于2年的主要合并症:如晚期恶性肿瘤、严重肝病(尤其是肝硬化)、严重肺病(包括与慢性心力衰竭无关的肺动脉高压)或严重神经系统疾病 4

安全性考虑

  • 血液相容性筛查:国际干细胞研究学会建议,所有用于血管内注射的间充质干细胞产品都应进行血液相容性筛查 1
  • 组织因子(TF/CD142)监测:美国血库协会指出,组织因子是间充质干细胞产品血液相容性的主要决定因素,应常规监测 1
  • 抗凝预处理:美国心脏病学会建议,在给予高剂量间充质干细胞时使用低剂量抗凝剂(如肝素),以避免血栓形成和输注相关不良反应 3

不同来源间充质干细胞的风险差异

  • 骨髓来源(BM-MSCs):通常表现出较弱的即时血介导炎症反应(IBMIR)和更好的血液相容性 3
  • 脂肪组织来源(AT-MSCs):具有高促凝活性,在临床前模型中可能产生致命效应 3
  • 胎盘组织来源(PT-MSCs):可能触发较强的IBMIR反应,但低剂量时反应较弱 3

临床应用注意事项

  • 静态静脉注射间充质干细胞可能导致前臂静脉血栓,已通过多普勒超声证实 1
  • 有报道显示AT-MSC输注与外周微血栓形成、肺栓塞和疑似死亡相关,建议通过血管给药时格外谨慎 1
  • 间充质干细胞对免疫系统的长期影响尚不完全清楚,特别是在治疗COVID-19等疾病时 1

在临床实践中,应根据细胞来源、剂量和患者状态评估血栓形成风险,并采取适当的抗凝措施 3。间充质干细胞治疗前应进行全面评估,确保患者不存在上述禁忌症,以保证治疗的安全性和有效性。

References

Guideline

Mesenchymal Stem Cell Therapy

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025

Guideline

Clinical Evidence for Anticoagulation Therapy Before Mesenchymal Stem Cell Treatment

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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