a drug used before autologous stem cell transplantation in patients with non-hodgkin lymphoma or multiple myeloma. amd 3100 is given together with granulocyte-colony stimulating factor (g-csf) to help move stem cells from the bone marrow to the blood. the stem cells can then be collected, stored, and given back to the patient. amd 3100 is a type of chemokine receptor antagonist. also called mozobil and plerixafor.