title: Cell therapy in Parkinson's disease - stop or go?
abstract: The results of the first double-blind placebo-controlled trial using grafts of embryonic tissue to treat Parkinson's disease have aroused widespread interest and debate about the future of cell replacement therapies. What are the key issues that need to be resolved and the directions in which this technology is likely to develop?
authors.forename: S B
authors.initials: SB
authors.lastname: Dunnett
authors.forename: A
authors.initials: A
authors.lastname: Björklund
authors.forename: O
authors.initials: O
authors.lastname: Lindvall
mesh_terms: D000818:Animals; D016380:Brain Tissue Transplantation / Q000009:adverse effects / Q000706:statistics & numerical data* / Q000639:trends*; D002986:Clinical Trials as Topic / Q000706:statistics & numerical data / Q000639:trends; D006801:Humans; D010300:Parkinson Disease / Q000473:pathology / Q000503:physiopathology / Q000601:surgery*; D033581:Stem Cell Transplantation; D016896:Treatment Outcome