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What Is Autologous Stem Cell Transplantation?

Autologous stem cell transplantation is a procedure in which a patient's own blood-forming stem cells are collected, stored, and later returned after high-dose cancer treatment. It is also called autologous hematopoietic stem cell transplantation. The transplant itself does not usually attack the cancer directly; instead, it restores bone-marrow function after chemotherapy, and sometimes radiation therapy, that would otherwise severely damage blood-cell production. Because the cells come from the patient, graft-versus-host disease does not occur.

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What Is Autologous Stem Cell Transplantation?

Autologous stem cell transplantation is a procedure in which a patient's own blood-forming stem cells are collected, stored, and later returned after high-dose cancer treatment. It is also called autologous hematopoietic stem cell transplantation. The transplant itself does not usually attack the cancer directly; instead, it restores bone-marrow function after chemotherapy, and sometimes radiation therapy, that would otherwise severely damage blood-cell production. Because the cells come from the patient, graft-versus-host disease does not occur.

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Why Is Autologous Stem Cell Transplantation Performed?

Autologous transplantation is most often used for cancers that can respond to very high-dose chemotherapy, including multiple myeloma and selected lymphomas. It is also used in selected cases of other cancers and certain severe autoimmune diseases. Patients must have disease for which high-dose treatment provides a reasonable expected benefit and must be healthy enough to tolerate intensive conditioning and prolonged low blood counts. Unlike allogeneic transplantation, no donor match is required because the patient's own stem cells are used.

How Is Autologous Stem Cell Transplantation Performed?

Stem cells are usually mobilized from the bone marrow into the bloodstream with growth-factor medication, sometimes combined with chemotherapy, and then collected by apheresis. The collected cells are processed, frozen, and stored while the patient receives high-dose conditioning treatment designed to destroy cancer cells. The stem cells are then thawed and infused through a central venous catheter in a manner similar to a blood transfusion. Over the following days and weeks, the cells travel to the bone marrow, engraft, and begin producing new white blood cells, red blood cells, and platelets.

What Is Recovery Like After Autologous Stem Cell Transplantation?

Patients experience a period of profound low blood counts after conditioning and before the transplanted stem cells engraft. During this time, infection prevention, transfusions, fluid and electrolyte management, nutrition, and treatment of mouth or gastrointestinal symptoms are major priorities. Blood counts generally recover gradually as engraftment occurs, but fatigue and immune-system recovery can continue for months. Follow-up also monitors the underlying cancer, organ function, vaccination needs, and delayed effects of high-dose chemotherapy.

What Are the Risks and Complications?

Major risks come largely from the high-dose conditioning treatment and the temporary loss of normal bone-marrow function. Complications can include severe infection, bleeding, anemia, mouth sores, nausea, diarrhea, organ toxicity, infertility, and prolonged fatigue. Rarely, the transplanted cells fail to engraft adequately, and secondary cancers or other late treatment effects can develop years later. Cancer can also relapse because autologous transplantation does not provide the donor-derived graft-versus-tumor effect seen with allogeneic transplantation.

Frequently Asked Questions About Autologous Stem Cell Transplantation

Where do the stem cells come from in an autologous transplant?

They come from the patient, most commonly from blood collected by apheresis after medication moves blood-forming stem cells out of the bone marrow.

Does autologous stem cell transplantation cause graft-versus-host disease?

No. Graft-versus-host disease occurs when donor immune cells attack the recipient, so it is not expected when a patient receives their own stem cells.

What cancers are commonly treated with autologous stem cell transplantation?

Multiple myeloma and selected lymphomas are among the most common indications, with additional uses depending on disease type and treatment response.

Why are stem cells returned after high-dose chemotherapy?

The infused stem cells restore blood-cell production after intensive treatment has severely damaged or destroyed the patient's normal bone-marrow cells.

References

Stem Cell and Bone Marrow Transplants for Cancer. National Cancer Institute. https://www.cancer.gov/about-cancer/treatment/types/stem-cell-transplant. Date Accessed September 11, 2026.

The Progress of Autologous Hematopoietic Stem Cell Transplantation in the Treatment of Multiple Myeloma. PubMed. https://pubmed.ncbi.nlm.nih.gov/40129396/. Date Accessed September 11, 2026.

2026 Update on the Management of Diffuse Large B-Cell Lymphoma. PubMed. https://pubmed.ncbi.nlm.nih.gov/41654318/. Date Accessed September 11, 2026.

Stem Cells Collection and Mobilization in Adult Autologous/Allogeneic Transplantation: Critical Points and Future Challenges. PubMed. https://pubmed.ncbi.nlm.nih.gov/38607025/. Date Accessed September 11, 2026.

Early and late complications of hematopoietic stem cell transplantation. PubMed. https://pubmed.ncbi.nlm.nih.gov/39111905/. Date Accessed September 11, 2026.