Live cell therapy (also referred to as fresh cell therapy) involves injection of processed cells from a nonhuman animal into a human in order to treat a medical condition, usually cancer. This form of xenotransplantation may entail a number of hazards for the patient and there are no controlled trials to demonstrate efficacy..


The injected cells may be extracted from an animal fetus or organ. Often cells are injected from an animal organ corresponding to the diseased organ in the patient.


Animals may include mountain sheep.



(1) infectious disease from the source animal (Q fever, Salmonella, Yersinia, virus, Brucellosis, etc)

(2) serum sickness immune response

(3) anaphylaxis

(4) neurologic sequelae of uncertain etiology (neuropathy, demyelination, encephalitis)

(5) failure to receive a more effective therapy

(6) economic (based on the cost of the procedure)


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