Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the treatments for Chronic Neutrophilic Leukemia ?
    ### Response:
    Treatment of chronic neutrophilic leukemia may include the following:            -  Donor bone marrow transplant.     -  Chemotherapy.     -  Biologic therapy using interferon alfa.      - A clinical trial of a new treatment.            Check the list of NCI-supported cancer clinical trials that are now accepting patients with chronic neutrophilic leukemia.
    