Bone marrow stem cells could defeat drug-resistant tuberculosis

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Bone marrow stem cells could defeat drug-resistant tuberculosis

By Kate Kelland LONDON (Reuters) - Patients with potentially fatal "superbug" forms of tuberculosis (TB) could in future be treated using stem cells taken from their own bone marrow, according to the results of an early-stage trial of the technique. In a study in The Lancet Respiratory Medicine journal on Thursday, researchers said more than half of 30 drug-resistant TB patients treated with a transfusion of their own bone marrow stem cells were cured of the disease after six months. "The results ... show that the current challenges and difficulties of treating MDR-TB are not insurmountable, and they bring a unique opportunity with a fresh solution to treat hundreds of thousands of people who die unnecessarily," said TB expert Alimuddin Zumla at University College London, who co-led the study. The World Health Organization (WHO) estimates that in Eastern Europe, Asia and South Africa 450,000 people have MDR-TB, and around half of these will fail to respond to existing treatments.

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