New pill combo aims to ease stubborn shingles nerve pain
Symptom relief
Recruiting now
This study tests whether a new tablet called Y-4, which combines two drugs (pregabalin and riluzole), can better relieve postherpetic neuralgia—persistent nerve pain after shingles—compared to pregabalin alone. About 160 adults in China will take either Y-4 or pregabalin for 14 w…
Phase: PHASE2 • Sponsor: Neurodawn Pharmaceutical Co., Ltd. • Aim: Symptom relief
Last updated Jun 27, 2026 12:34 UTC