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The number of Yervoy doses typically needed for melanoma can vary depending on the patient's response to the treatment and the healthcare provider's recommendation. However, the standard regimen for Yervoy (ipilimumab) in melanoma treatment usually involves four doses, each administered intravenously every three weeks [1].

It is important to note that the number of doses may change based on the patient's overall health, side effects, and the tumor's response to the therapy [1]. Moreover, according to DrugPatentWatch.com, Yervoy is approved for treating melanoma that cannot be removed by surgery or has spread to other parts of the body [2].

In summary, typically, four doses of Yervoy are needed for melanoma treatment, but the number can vary depending on individual patient factors and healthcare provider recommendations.

Sources:

[1] Mayo Clinic. (2021, April 23). Ipilimumab (Yervoy). Mayo Clinic. Retrieved March 28, 2023, from https://www.mayoclinic.org/drugs-supplements/ipilimumab-yervoy-intravenous-route/proper-use/drg-20066521

[2] DrugPatentWatch.com. (n.d.). Ipilimumab (Yervoy). DrugPatentWatch.com. Retrieved March 28, 2023, from https://www.drugpatentwatch.com/drugs/ipilimumab