Alternatives to vincristine?

It's chief toxicity. Is neuropathy; it is not myelosuppressive. It suppresses the mitotic spindles made up of fibrillary structural piees siilar tto those that make up axons, nerves. Usually distal numbness and tingling of hands and feet. It is easy to blend with other drugs because its toxicty does not overlap with theirs. The alternative is vinblastine.