Salix Gets Orphan Status for Sickle Cell Drug

FDA has granted Salix Pharmaceuticals an orphan drug designation for rifaximin and its use in treating sickle cell disease. Early data suggest that rifaximin may reduce vaso-occlusive crisis in patients with sickle cell disease, the company says. Salix says it is finalizing Phase 2 trial protocols to further evaluate the drug’s potential in the patient population early next year.

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