Y-4 to Treat the Postherpetic Neuralgia

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 and safety of Y-4 to treat PHN compared with pregabalin. 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 +18.75 mg riluzole, 12w fixed dose period: 150 mg pregabalin +37.5 mg riluzole, 1w drug withdraw period: 1w titration period: 75 mg pregabalin +18.75 mg riluzole) or pregabalin(75 mg for 1w titration period , 150 mg for 12w fixed dose period ,75 mg for 1w drug withdraw period) twice a day for 14 weeks after run-in period (placebo) lasting for 1 week. * Visit the hospital according to the follow-up schedule agreed upon with your doctor. contact the research staff as soon as possible to reschedule when unable to attend the scheduled study visit. * Use investigational products as directed by the doctor and undergo the related treatment. * Inform their investigators of any changes in their health, including any side effects or symptoms, whether or not they believe these changes are related to the trial medication, as well as any new medications they are using or wish to use, or any changes in the dosage of medications they have already taking. * Use reliable contraceptive methods , such as abstinence…

This description comes directly from the study's public registry record.

Qianjin Lu  ·  025-85478105  ·  qianlu5860@gmail.com

Always discuss trial participation with your own doctor first.

Get one email when the public record changes — results posted, or the study's status changes. Nothing else, ever.

We email about this public record only. Unsubscribe anytime with one click. Never medical advice.