多発性硬化症に対する造血幹細胞移植:理解の向上と誤解の解消
Richard K Burt1, Tobias Alexander2
1Hematology Scripps Health, La Jolla, CA, United States; Northwestern University (retired) and Genani Biotech Corp, Chicago, IL, United States.
Handbook of clinical neurology
|January 12, 2026
まとめ
自家造血幹細胞移植(HSCT)は、多発性硬化症(MS)患者に薬物フリーの改善をもたらします。この免疫ベースの治療法は、MSの炎症段階で最も効果的です。
科学分野:
- 神経学
- 免疫学
- 血液学
背景:
- 自家造血幹細胞移植(HSCT)は、免疫抑制とその後の幹細胞注入による造血の回復を伴います。
- 非骨髄破壊的HSCTレジメンは、がん治療に使用される従来の骨髄破壊的アプローチよりも多発性硬化症(MS)に対して安全です。
研究 の 目的:
- 多発性硬化症(MS)に対する自家HSCTの有効性と安全性を評価すること。
- MSに対する現在の疾患修飾療法(DMT)と比較したHSCTの結果を比較すること。
主な方法:
- 短期間の免疫抑制療法(4〜6日間)の投与とそれに続く自家幹細胞注入。
- 患者選択と特定のレジメンプロトコルは、HSCTの毒性と有効性を決定する重要な要因です。
主要な成果:
- HSCTは、再発寛解型MSおよび活動性二次進行型MSを含むMSの炎症段階に最も効果的です。
- 第III相無作為化試験およびメタアナリシスは、ナタリズマブを含む現在の疾患修飾療法(DMT)に対するHSCTの優位性を示しています。
- HSCTは、ほとんどの患者において、神経学的障害およびQOLの持続的かつ薬物フリーの改善をもたらします。
結論:
- 自家HSCTはMS治療における重要な進歩であり、従来の治療法を超える長期的なベネフィットを提供します。
- 処置の有効性は病期に依存しており、活動性炎症性MSの管理におけるその役割を強調しています。
- HSCTは、DMTと比較して優れた長期転帰を示し、MS患者にとって価値ある治療選択肢となります。
関連する概念動画
Multipotency of Hematopoietic Stem Cells
3.8K
The hematopoietic stem cells or HSCs are multipotent, meaning they can differentiate and give rise to all blood and immune cells. HSCs are maintained in the quiescent stage until an external stimulus initiates their differentiation. The multipotent HSCs exist as two heterogeneous populations, long-term repopulating cells (LTRC) and short-term repopulating cells (STRC). The two HSC populations have different surface markers or receptors and are classified based on quiescence and long-term...
3.8K
Bone Marrow Sampling and Transplants
862
Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy...
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy...
862
Regulation of Hematopoietic Stem Cells
3.9K
All blood and immune cells are produced from the multipotent hematopoietic stem cells (HSCs) by the process of hematopoiesis. However, they all have a limited life span. In addition, many are depleted in immune surveillance or combatting an injury or infection. This makes blood one of the most regenerative tissues. Hematopoiesis helps replenish these blood and immune cells, restoring the body's normal functioning. However, overproduction of blood and immune cells can make them cancerous or...
3.9K
iPS Cell Differentiation
3.0K
The ability of induced pluripotent stem cells or iPSCs to differentiate into most body cell types has stimulated repair and regenerative medicine research over the past few decades. iPSC-derived blood cells, hepatocytes, beta islet cells, cardiomyocytes, neurons, and other cell types can repair injuries or regenerate damaged tissue in diseases such as diabetes and neurodegenerative disorders.
3.0K
Stem Cell Therapy for Tissue Regeneration
4.6K
Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
Types of Stem Cells used in Stem Cell Therapy
The two main cell...
Types of Stem Cells used in Stem Cell Therapy
The two main cell...
4.6K
Tissue Transplantation
888
Tissue transplantation is a significant medical procedure involving the transfer of cells, tissues, or organs from a donor to a recipient, with the primary aim of restoring lost functions. This procedure is crucial in treating a broad spectrum of diseases, including kidney diseases, liver failure, heart disease, and certain types of cancers.
The Biology of Tissue Transplantation
The biology of tissue transplantation hinges on the Major Histocompatibility Complex (MHC) molecules. These molecules...
The Biology of Tissue Transplantation
The biology of tissue transplantation hinges on the Major Histocompatibility Complex (MHC) molecules. These molecules...
888


