Study Overview: This study is testing a drug called RTA 901 to see if it helps people with Diabetic Peripheral Neuropathic Pain (DPNP). DPNP is a painful condition affecting the nerves in the legs due to diabetes. The study is divided into two parts, each lasting about 20 weeks. Participants will get either one of two doses of RTA 901 or a placebo (a pill with no active medicine).
Eligibility: To join, you need to have diabetes for at least a year and have nerve pain in your legs. Your pain score needs to be 4 or higher on a scale of 0 to 10. People with other kinds of nerve problems or recent foot infections can't join.
- Study Length: 20 weeks total (including 4 weeks of follow-up).
- Visits: Regular visits for checks over the study period.
- Risks: Possible side effects of the medicine and placebo effects.