ALSO NOTED: Safeguard acquires Acsis for $26M; Biogen issues 'Dear Doctor' letter; and much more...

> Safeguard Scientifics announced yesterday that it will acquire Acsis for about $26 million in cash. Article

> Biogen Idec has issued a "Dear Doctor" letter warning physicians not to prescribe Amevive to HIV patients. Amevive is for the treatment of plaque psoriasis. Report

> Vertex's VX-950, an investigational oral hepatitis C treatment, was effective in an 14-day phase I study in HCV patients. Release

> The FDA has approved intravenous use of Enzon's Oncaspar for pediatric leukemia. Report

> Solbec Pharmaceuticals' Coramsine received orphan drug designation from the FDA for the treatment of metastatic renal cell carcinoma. Release

> Advancis Pharmaceutical has begun enrollment in its phase III trial of Amoxicillin Pulsys for pharyngitis/tonsillitis. Release

And Finally… Researchers have discovered an appetite-suppressing hormone in mice. Article