Drug resistance and disease progression have been observed all for anticancer drugs that target specific genetic alterations.

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Drug companies including Sanofi, Merck and Pfizer are working on anticancer drugs that block insulin-like growth factor, a related molecule.

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That same month pharmaceutical maker Merck KGaA of Germany agreed to co-develop with Chi-Med anticancer drugs derived from natural products.

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Her doctors ordered one more brief round of anticancer drugs.

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That same month pharmaceutical maker Merck (nyse: MRK - news - people ) KGaA of Germany agreed to co-develop with Chi-Med anticancer drugs derived from natural products.

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The next stage is to test the nanofactories with DNA that makes proteins which might actually act as drugs anticancer antibodies, for example.

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