Advocates support the development of therapeutic cloning in order to generate tissues and whole organs to treat patients who otherwise cannot obtain transplants, to avoid the need for immunosuppressive drugs, and to stave off the effects of aging.
Advocates believe that therapeutic cloning should be developed to create tissues and organs for transplantation, which could significantly benefit patients who are currently ineligible for transplants, thereby reducing their dependence on immunosuppressive drugs and slowing down the negative effects of aging.