Question 1

What is the difference between autologous and allogeneic transplant?

Accepted Answer

Autologous transplant uses your own stem cells, collected before high-dose chemotherapy and returned afterward to rescue your bone marrow. It's commonly used for lymphoma and myeloma. Allogeneic transplant uses cells from a donor (sibling, unrelated, or partially matched family member) and is used when the bone marrow itself is diseased or when a graft-versus-tumor effect is needed, as in leukemia.

Question 2

How long does the transplant process take?

Accepted Answer

The entire process typically spans several months. Pre-transplant evaluation takes 2-4 weeks. Conditioning treatment lasts 1-2 weeks. After transplant, hospital stay averages 3-4 weeks for autologous and 4-6 weeks for allogeneic. Full immune recovery takes 6-12 months or longer for allogeneic transplant recipients.

Question 3

What is CAR-T cell therapy?

Accepted Answer

CAR-T (Chimeric Antigen Receptor T-cell) therapy is a revolutionary treatment where your own T cells are collected, genetically modified in a laboratory to recognize and attack cancer cells, then infused back into your body. It's FDA-approved for certain B-cell lymphomas, leukemias, and multiple myeloma, with remarkable response rates in previously untreatable cases.

Question 4

What is graft-versus-host disease?

Accepted Answer

GVHD occurs when donor immune cells recognize your tissues as foreign and attack them. Acute GVHD typically appears within 100 days and affects skin, liver, and gut. Chronic GVHD can develop later and may affect many organ systems. While GVHD requires treatment, some degree of donor immune activity (graft-versus-tumor effect) helps prevent cancer recurrence.

Question 5

How are donors matched for transplant?

Accepted Answer

Donors are matched based on HLA (human leukocyte antigen) proteins. A matched sibling donor is ideal, with about 25% chance of a sibling being a full match. Unrelated donors are found through registries like Be The Match. Haploidentical transplants from half-matched family members have become increasingly successful, expanding donor options significantly.

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