A 16-month US Senate Committee on Finance investigation into Medtronic, the maker of InFuse, a recombinant bone morphogenic protein-2 (rhBMP-2) product used in spinal fusion surgery, has found "questionable ties" between that company and physician consultants who tested and reviewed its products.
In a report released yesterday, the Finance Committee, which has sole jurisdiction over Medicare and Medicaid, determined that without public disclosure of their roles, Medtronic employees collaborated with physician authors to edit, and in some cases, write, segments of published studies on rhBMP-2. The studies as published may have inaccurately represented the product's risks and may have placed added weight on adverse effects of alternative treatments, according to a press release issued by the Committee.
Medtronic also maintained significant, previously undisclosed financial ties with physicians who authored studies about the product, making $210 million in payments to phys…