responsiveness

/rɪˈspɑːn.sɪv.nəs/
the fact of being able to be improved or cured by a treatment 反应
The treatment may restore better mobility in Parkinson’s patients who have lost responsiveness to drug therapy.
这种治疗方式可能能让对药物治疗无反应的帕金森患者行动能力得到改善。