Some of the nation’s most prominent spine surgeons hailed it as a medical breakthrough.

In a study of nearly 240 patients with lower back pain, the doctors said that the Prodisc, an artificial spinal disk, had worked much better than conventional surgery in which patients’ vertebrae were fused…

As it turns out, Dr. Zigler had more than a medical interest in the outcome. So did doctors at about half of the 17 research centers involved in the study. They stood to profit financially if the Prodisc succeeded, according to confidential information from a patient’s lawsuit settled last year.

Learn More: New York Times

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