Many companies are seeking to develop non-opioid treatments for pain, but Persica Pharmaceuticals may be taking a surprising approach for chronic low-back pain. The company’s lead experimental therapy for the condition is an antibiotic. That may sound odd, but it turns out that about half of chronic low back pain cases are due to bacterial infections that occur after herniation of the spinal disc or injury. We spoke to Steve Ruston, CEO of Persica Pharmaceuticals, about the need for new approaches to chronic low back pain, the company’s experimental targeted intradiscal antibiotic injections, and the need to educate physicians about the role infection can play in the condition.