The subject invention provides a pharmaceutical composition comprising: an aqueous carrier； from 0.1 mg/ml to 20 mg/ml of a pharmaceutically acceptable salt of a) a peptide comprising at least 12 and at most 30 consecutive amino acids, b) a peptide comprising consecutive amino acids having the sequence shown by any of SEQ ID NOS. 8-17, c) a peptide comprising consecutive amino acids having a sequence of any of a) and b), or at least two sequences in (a), or d) a peptide comprising consecutive amino acids having a sequence comprising at least two identical sequences included in (a)； and a solubility enhancer； and wherein the composition has a pH between 4 and 9, and a method of alleviating symptoms of SLE in a human by administering an effective amount of the composition.
