US authorities have approved the first human trials using embryonic stem cells testing a pioneering therapy for paralyzed patients, the FDA said Friday.

“The FDA has granted its clearance for a new drug application of Geron Corp for a phase one clinical trial of an embryionic stem-cell based therapy in patients with acute spinal cord injury,” FDA spokeswoman Susan Cruzan told AFP.

All federally funded research on new lines of stem cells was banned under the previous administration of president George W. Bush.

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