The invention provides a drug conjugate comprising: 1) a therapeutic agent that comprises a phosphate, phosphonate, carboxy, or phosphoramidate group, and 2) a fluorescent group linked to the phosphate, phosphonate, carboxy, or phosphoramidate group to form the corresponding ester and salts thereof. The conjugates are useful for therapy and as probes. The invention also provides therapeutic methods for treating diseases with conjugates of the invention as well as methods for determining optimal dosages of a conjugate or a therapeutic agent for a given patient using a conjugate of the invention
本发明提供了一种药物偶联物,包括:1)含有
磷酸酯、
膦酸酯、羧基或
磷酰胺基团的治疗剂;2)与
磷酸酯、
膦酸酯、羧基或
磷酰胺基团连接的荧光基团,形成相应的酯和盐。该偶联物可用于治疗和作为探针。本发明还提供了使用该偶联物治疗疾病的治疗方法,以及使用该偶联物确定给定患者的偶联物或治疗剂的最佳剂量的方法。