monoclonal antibodies are medicines that act like natural antibodies. antibodies are proteins your immune system makes to help defend against a threat, like bacteria and viruses. monoclonal antibodies can boost your immune system and stop or slow the progress of a disease. they have been designed to treat many conditions. examples include some kinds of cancer and some autoimmune diseases like rheumatoid arthritis.
monoclonal antibody treatment is given through a needle in a vein (i.v.) or by an injection. this treatment may be used alone. or it may be given with other treatments, such as radiation therapy.