This study tested two electrical stimulation devices (TENS and interferential current) against a fake device and usual care for people with chronic lower back pain. 334 adults with pain lasting at least 3 months took part. The goal was to see if these devices reduce pain and impr…
Phase: NA • Sponsor: Zynex Medical, Inc. • Aim: Symptom relief
Last updated Jun 27, 2026 07:55 UTC