Preparation method of medicine, preparation method of cancer therapeutic agent, pharmaceutical composition for cancer treatment, preparation method of pharmaceutical composition for cancer treatment, neutralization method of complement activity inhibitory action of CD55 and complement deposition How to make
The invention relates to the use of a binding member which binds to both SCR1 and SCR2 of CD55 in the treatment of tumours and leukaemia. The binding member may be an antibody which binds to SCR1 and SCR2 of CD55 and neutralising CD55 and making cancer cells susceptible to complement mediated attack.