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Area of Science:

  • Pharmacology
  • Pain Management
  • Drug Development

Background:

  • Acute pain management presents challenges, often relying on opioid analgesics with significant side effect profiles.
  • Recent advancements include novel formulations and mechanisms of action for non-opioid analgesics.
  • The US Food and Drug Administration (FDA) has approved new agents to address these challenges.

Purpose of the Study:

  • To review three recently FDA-approved analgesic entities for acute pain treatment.
  • To highlight their mechanisms of action and potential benefits in multimodal analgesia.
  • To discuss their role in reducing opioid use and associated adverse events.

Main Methods:

  • Review of FDA-approved analgesic agents since 2008.
  • Description of the pharmacological profiles of tapentadol immediate-release, diclofenac potassium soft gelatin capsules, and bupivacaine liposome injectable suspension.
  • Analysis of their application in multimodal pain management strategies.

Main Results:

  • Tapentadol immediate-release: a mu-opioid agonist and norepinephrine reuptake inhibitor for moderate to severe pain.
  • Diclofenac potassium soft gelatin capsules (Zipsor): a novel NSAID formulation with improved absorption for acute pain.
  • Bupivacaine liposome injectable suspension (EXPAREL): a long-acting local anesthetic for postoperative analgesia.

Conclusions:

  • These novel analgesics offer alternatives to traditional pain management, supporting multimodal approaches.
  • Utilizing NSAIDs and local anesthetics can decrease reliance on opioids, potentially lowering adverse event incidence.
  • These agents contribute to synergistic analgesia and improved patient outcomes in acute pain management.