Stem cells show promise for stroke

Stem cells extracted from patients’ bone marrow have shown promising results for stroke therapy in a first pilot study for humans.

UK researchers provided the treatment to five patients who had experienced a severe anterior circulation ischemic stroke in the previous seven days.

All five showed improvements in clinical tests and reductions in lesion volume during a six-month follow-up period.

In the trial, four of the patients were alive and three were independent after six months.

The therapy uses CD34+ hematopoietic stem/progenitor cells sourced from the patient’s own bone marrow, which were delivered by catheter angiography into the ipsilesional middle cerebral artery.

The cells are thought to release

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