Call for tolerance towards some 'stem cell tourism'


THE internet may be awash with bogus or untested stem cell-based treatments targeted at unwary patients, but that is no reason to condemn all “unofficial” therapies. So say researchers who last year drafted a set of international guidelines designed to crack down on “stem cell tourism”. The team insist their new plea for more tolerance of unsanctioned trials and treatments is no U-turn (Science, DOI: 10.1126/science.1171749). They argue that companies making scientifically justifiable attempts to treat patients should not be condemned, provided a new treatment has a clear clinical rationale,
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