But new wording in the label calls for doctors to exercise restraint or possibly discontinue use for patients who do not reach the desired hemoglobin levels after 12 weeks of treatment.

• 但标签上新措词要求，12周治疗之后如果病人血红蛋白浓度没有达到预期，医生应该检查是否存在抑制因素，或者尽可能停止用药。