The first " antisense " drug to be tested in chronic lymphocytic leukemia ( cll ) shows benefit in a phase iii clinical trial for a specific subset of patients - those who are still sensitie to a chemotherapy drug often used to treat this cancer 在一个三期的临床试验中，首个反义药物在显示对一类特殊亚群的慢性淋巴细胞性白血病患者有益，这些患者对经常用于治疗这种白血病的化疗药物仍具有敏感性。
