New immunotherapies are seldom developed for childhood cancer

More often than not, cancer immunotherapies that work in adults are used in modified ways in children. Seldom are new therapies developed just for children, primarily because of the small number of pediatric patients relative to the adult cancer patient population. In 2013 there will be an estimated 11,630 cases of cancer diagnosed in children 14 and younger compared to over 1.6 million cases diagnosed in adults.

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