Clinical Trial: Y-4 to Treat the Postherpetic Neuralgia

U.S., Dec. 11 -- ClinicalTrials.gov registry received information related to the study (NCT07275762) titled 'Y-4 to Treat the Postherpetic Neuralgia' on Nov. 28.

Brief Summary: The goal of this clinical trial is to assess the efficacy and safety of Y-4 in patients with postherpetic neuralgia(PHN).

The main questions it aims to answer are:

The efficacy of Y-4 to treat PHN. If drug RK-4 is safe and tolerate in the patients with LHI?

Researchers will analyze data from different groups, includes Y-4 group and pregabalin group , to see efficacy of Y-4 and If drug Y-4 is safe and tolerate in the patients with PHN.

Participants will :

* Take Y-4 (1w titration period:75 mg pregabalin +18.5 mg riluzole, 12w fixed dose period: 150 mg pregabalin...