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Targets for Drug Action: Overview01:26

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Drugs target macromolecules to modify ongoing cellular processes. Primary drug targets include receptors, ion channels, transporters, and enzymes.
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Pain serves as a critical warning signal that alerts the body to potential or actual harm. When mechanical pressure on the skin is intense, such as from a sharp pinch, the sensation transitions from touch to pain. Similarly, extreme temperatures, like a hot pot handle, convert the sensation of heat into pain. Pain can also result from overstimulation of other senses, such as blinding light, loud noise, or the intense heat from habañero peppers. This ability to sense pain is essential for...
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Updated: Apr 9, 2026

Intracranial Pharmacotherapy and Pain Assays in Rodents
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Emerging targets in treating pain.

David S Chang1, Rahul Raghavan, Sandy Christiansen

  • 1aAnesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland bAnesthesiology, MedStar Georgetown University Hospital, Washington, District of Columbia cAnesthesiology and Physical Medicine & Rehabilitation, Johns Hopkins School of Medicine and Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA.

Current Opinion in Anaesthesiology
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PubMed
Summary
This summary is machine-generated.

Chronic pain affects over 30% of people, costing billions annually. Research is exploring novel drug targets like cannabinoid receptors and ion channel blockers for new pharmacological treatments.

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Area of Science:

  • Pharmacology
  • Pain Research
  • Drug Discovery

Background:

  • Chronic pain represents a significant global health issue with substantial socioeconomic impact.
  • Over 30% of the population experiences chronic pain, incurring over $600 billion in annual costs in the USA.
  • Recent research focuses on identifying and validating new therapeutic targets to combat this widespread condition.

Purpose of the Study:

  • To review current drug targets for chronic pain.
  • To explore emerging pharmacological treatment options.
  • To provide an overview of the latest advancements in pain management therapies.

Main Methods:

  • Literature review of preclinical and clinical research.
  • Analysis of identified potential drug targets.
  • Synthesis of information on novel pharmacological approaches.

Main Results:

  • Numerous potential drug targets have been identified in preclinical studies.
  • Promising research areas include novel opioid and cannabinoid receptors, selective ion channel blockers, cytokine inhibitors, nerve growth factor inhibitors, N-methyl-D-aspartate receptor antagonists, glial cell inhibitors, and bisphosphonates.
  • Despite challenges, the diversity of potential therapies for chronic pain is increasing.

Conclusions:

  • Developing effective chronic pain medications faces challenges due to complex pain pathways and lack of target selectivity.
  • Adverse effects remain a concern due to non-specific drug actions.
  • Ongoing research continues to expand the pipeline of disease-modifying and personalized drug treatments for chronic pain.