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Leucine enkephalin - Virpax Pharmaceuticals

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Drug Profile

Leucine enkephalin - Virpax Pharmaceuticals

Alternative Names: Envelta™; Leucine enkephalin intranasal spray - Virpax Pharmaceuticals; METDoloron; Nanoenabled leucine5 enkephalin; NES-100; NM 0127; NM 127; PES200

Latest Information Update: 28 Sep 2025

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At a glance

  • Originator Nanomerics
  • Developer Nanomerics; National Center for Advancing Translational Sciences; University of Exeter; Virpax Pharmaceuticals
  • Class Anxiolytics; Enkephalins; Essential amino acids; Opioid analgesics; Opioid peptides
  • Mechanism of Action Opioid delta receptor agonists
  • Orphan Drug Status

    Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.

    No
  • New Molecular Entity Yes
  • Available For Licensing Yes - Pain

Highest Development Phases

  • No development reported Cancer pain; Neuropathic pain; Pain; Post-traumatic stress disorders

Most Recent Events

  • 28 Sep 2025 No recent reports of development identified for preclinical development in Cancer-pain in Germany (Intranasal, Spray)
  • 28 Sep 2025 No recent reports of development identified for preclinical development in Pain in Germany (Intranasal, Spray)
  • 28 Sep 2025 No recent reports of development identified for preclinical development in Post-traumatic-stress-disorders in Germany (Intranasal, Spray)

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