Pain pill showdown: ultracet vs. voltaren for back inflammation
Symptom relief
Terminated
This study compared two pain medications—Ultracet (tramadol/acetaminophen) and Voltaren (diclofenac)—in people with ankylosing spondylitis who were already taking disease-modifying anti-rheumatic drugs (DMARDs). The goal was to see which one worked better for pain relief over 8 w…
Phase: PHASE4 • Sponsor: Johnson & Johnson Taiwan Ltd • Aim: Symptom relief
Last updated Jun 27, 2026 13:02 UTC