They had undergone treatment with an average of three other drugs prior to receiving crizotinib , and only 10 % were expected to respond to standard therapy .
Most had adenocarcinoma , and had never smoked or were former smokers .
Most had undergone treatment with an average of three other drugs prior to receiving crizotinib , and only 10 % were expected to respond to standard therapy .
Most had adenocarcinoma , and had never smoked or were former smokers .