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Posted by on Sep 4, 2018 in Multiple Myeloma | 0 comments

In a nutshell

This study evaluated the risk of acute myeloid leukemia (AML) or myelodysplastic syndrome (MDS) development in patients with lymphoma and myeloma after an autologous stem cell transplant (autoSCT). This study concluded that this risk is quite high after autoSCT in these patients.

Some background

AML and MDS are known long-term complications of cancer therapy. These are secondary cancers of blood cells. This means that they may develop after exposure to anti-cancer therapies for a previous cancer, such as high doses of chemotherapy or radiation therapy. 

High-dose chemotherapy with or without radiation therapy is required before autoSCT. This gets rid of any remaining cancer cells. Then, the patient’s own healthy cells are collected and reintroduced back into the patient. Whether patients with Hodgkin’s lymphoma (HL), non-Hodgkin’s lymphoma (NHL), or plasma cell myeloma (PCM) are at risk for developing AML or MDS after autoSCT remains under investigation.

Methods & findings

This study involved the records of 9028 patients who underwent autoSCT. Patients had HL (10.1%), NHL (39.3%), or PCM (50.6%). 2.70% (HL), 12.5%% (NHL), and 7.27% (PCM) of patients previously received 3 or more lines of chemotherapy. Patients were followed-up for an average of 90 to 110 months. 

Overall, 3.7% of patients were diagnosed with AML or MDS after the transplant. Of these, 22.4% were AML and 77.6% were MDS. 

In patients with PCM, age over 55 (2.5-fold), having 3 or more lines of prior chemotherapy (1.8-fold), or being male (2.3-fold) were significantly associated with increased risk of developing AML or MDS.

The bottom line

This study concluded that there are substantial risks of developing AML and MDS after autologous SCT in patients with HL, NHL, or PCM.

The fine print

This study was retrospective, meaning it looked back in time to analyze data.

What’s next?

Talk to your care team about the potential risks of secondary cancers after a stem cell transplant.

Published By :

Leukemia Research

Date :

Jul 19, 2018

Original Title :

Risk of acute myeloid leukemia and myelodysplastic syndrome after autotransplants for lymphomas and plasma cell myeloma.

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