Vincristine is most commonly associated with which type of toxicity?

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Multiple Choice

Vincristine is most commonly associated with which type of toxicity?

Explanation:
Vincristine acts by inhibiting microtubule formation, which disrupts cell division. In neurons, microtubules are essential for axonal transport, so their disruption leads to axonal dysfunction and degeneration. This makes peripheral nerves particularly vulnerable, resulting in a classic profile of peripheral neuropathies: sensory changes like numbness and tingling, motor weakness with possible gait disturbance, and autonomic symptoms such as constipation. It’s the most characteristic and dose-related toxicity of vincristine, more so than cardiac, kidney, or liver injuries, which are less typical for this drug.

Vincristine acts by inhibiting microtubule formation, which disrupts cell division. In neurons, microtubules are essential for axonal transport, so their disruption leads to axonal dysfunction and degeneration. This makes peripheral nerves particularly vulnerable, resulting in a classic profile of peripheral neuropathies: sensory changes like numbness and tingling, motor weakness with possible gait disturbance, and autonomic symptoms such as constipation. It’s the most characteristic and dose-related toxicity of vincristine, more so than cardiac, kidney, or liver injuries, which are less typical for this drug.

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