<qa>  What is the name of the drug that is used to treat the participant?13. The participant has been treated with any of the following drugs excluding drugs for external use and dietary supplements within the 4 weeks prior to VISIT 2: anti-coagulant drugs, anti-platelet drugs, tranexamic acid, selective estrogen receptor modulators SERMs, activated vitamin D preparations, other vitamin D preparations, calcitonin, ipriflavone, steroid hormones, vitamin K preparations, teriparatide, or denosumab. 