CD5o - half survival dose - is the value of the drug dose at which 50% of survivors are in remission. SD 50 may vary depending on the dose of the drug and the number of people receiving treatment.
For example, for the drug Hepatitis C, which is used to treat hepatitis, the CD50 is about 60 mg - this means that about 50% of patients with hepatitis C who are treated with this drug have remission without relapses. This value may vary for different patients and for different drugs, and therefore an individual approach to dosage may be required.
The importance of CD5o lies in the fact