IT IS ASUNTHETIC BIOLOGICAL CALLED TOLEROGEN. IT IS MADE OF FOUR DOUBLE-STRANDED OLIGODEOXYRIBONUCLEOTIDES THAT ARE ATTACHED TO A CARRIER PLATEFORM AND ARE DESIGNED TO BLOCK SPECIFIC B-CELL ANTI-DOUBLE STRANDED DNA ANTIBODIES. IT MAY ALSO COMPLEX ANTI DS-DNA ANTIBODIES TOGATHER, THEREFORE DISABLING THEM.