Marrow transplant for child with leukemia cures allergy | Science News


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Marrow transplant for child with leukemia cures allergy

Patient gets rid of blood cancer and peanut reactivity

12:55pm, November 8, 2013

RARE MEDICAL TWOFER  A bone marrow transplant appears to have cured a 10-year-old boy of both leukemia and a peanut allergy, doctors say.

In a rare medical twofer, a child with leukemia who underwent a bone marrow transplant has emerged free of not only his cancer but his peanut allergy.


The child was diagnosed with the allergy at 15 months, said Steven Weiss, an allergist in Syosset, N.Y. At age 4, the boy developed acute lymphocytic leukemia.


He had received chemotherapy but suffered relapses of his cancer. At age 10, he underwent a bone marrow transplant, an arduous procedure that kills off a patient’s existing bone marrow and the cancerous cells and then replaces them with marrow cells from a healthy donor. The boy’s donor had no known allergy. A year later, the boy’s immune system had recovered and tests revealed no peanut allergy, Weiss said.


Weiss’ collaborator Yong Luo, an allergist in Great Neck, N.Y., said allergies have sometimes transferred from a marrow donor to a patient but have rarely been eradicated this way in a marrow

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