A Phase 2, Multicenter, Randomized, Double-blind, Placebo and Active Drug-controlled Trial to Evaluate the Efficacy and Safety of JMKX000623 in Participants with Diabetic Peripheral Neuropathic Pain

Evaluate the Efficacy and Safety of JMKX000623 in Participants with Diabetic Peripheral Neuropathic Pain

Inclusion Criteria:

1. Able to understand the procedures of this trial and provide written informed consent voluntarily;
2. Age ≥ 18 years, male or female;
3. Diagnosed with Diabetic Peripheral Neuropathic Pain for ≥ 24 weeks;
4. Visual Analog Scale (VAS) of 40-90 mm, and ADPS of 4-9;
5. HbA1c ≤ 9.0% and on a stable antidiabetic medication regimen for ≥ 4 weeks.

Exclusion Criteria:

1. With other peripheral neuropathies or painful diseases except for Diabetic Peripheral Neuropathic Pain;
2. Possibly allergic to the active ingredients or excipients of JMKX000623, pregabalin and acetaminophen, or history of ≥ 3 allergens, or with ongoing allergic conditions;
3. Received analgesic medications within 4 weeks prior to screening, or scheduled to use other analgesic medications during the trial;
4. Known treatment failure on pregabalin or gabapentin;