XGene’s Non-Opioid Pain Contender Shows Pre-/Post-Op Promise

Potential Competitor For Vertex?

XGene's pain candidate has shown positive results in a US bunionectomy trial and the Chinese company is also eyeing chronic and cancer pain indications for its contender, which may provide a competitor to Vertex's suzetrigine.

Pain relief
XGene Pharmaceutical's non-opioid, dual-targeting analgesic XG005 showed positive topline Phase IIb/III results in acute pain. (Shutterstock)

It has been a challenge for decades in the central nervous system (CNS) to discover a new target for pain relief that is both safe and can also compete with, or even replace, opioid options.

In December 2024, XGene Pharmaceutical, a Shanghai-based startup, released positive top-line results from a US Phase IIb/III trial with XG005, its non-opioid, dual-targeting analgesic,

Key Takeaways
  • XGene’s XG005, a non-opioid, dual-targeting analgesic that conjugates naproxen and pregabalin, has shown promise in addressing safety and pharmacokinetics issues of the two drugs alone in moderate-to-severe pain.
  • A US Phase IIb/III trial for acute pain in bunionectomy, its initial indication, met both its primary and key secondary endpoints with a favorable safety profile
Xu Hu

Read more by Xu Hu

Xu is a senior reporter and covers aspects on policy and regulations in China pharma industry within the APAC Pharma news team.

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