ProTom Radiance 330 Proton System Cleared

FDA has cleared a ProTom International Holding 510(k) for its Radiance 330 proton therapy system, a compact, single room system equipped with an advanced pencil beam scanning system and integrated imaging and control system. The device can be installed within an interior accelerator vault space of 20ft x 30ft, and requires up to 40% less radiation shielding, the company says. Its pencil beam scanning delivers improved “dose sculpting and higher beam efficiencies than other methods of proton beam delivery,” it says.

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Guide on Biosimilar Postapproval Manufacturing Changes

FDA has released a final guidance entitled “Postapproval Manufacturing Changes to Biosimilar and Interchangeable Biosimilar Products — Questions and Answers.” The document explains how manufacturers should document and report changes to approved biosimilars, including changes involving manufacturing processes, production facilities, dosage forms and strengths. Regarding information required for postapproval manufacturing changes,