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Related Concept Videos

Analgesia and Pain Management01:25

Analgesia and Pain Management

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Pain is critical to various clinical pathologies, provoking an urgent need for effective management. Pain, whether acute or chronic, is a complex neurochemical process. Its alleviation depends on the type, with nonopioid analgesics effective for mild to moderate pain, such as musculoskeletal or inflammatory pain, while neuropathic pain responds best to anticonvulsants, tricyclic antidepressants, or serotonin/norepinephrine reuptake inhibitors. For severe acute or chronic pain, opioids may be...
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Opioid Analgesics: Synthetic and Semisynthetic Opioids01:15

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Synthetic and semisynthetic opioids are pivotal in pain management and tackling opioid addiction. Semisynthetic opioids, including morphinans (morphine derivatives), oxycodone, oxymorphone, hydrocodone, and hydromorphone, have improved pharmacokinetic profiles compared to morphine. Additionally, heroin and 6-MAM (6-Monoacetylmorphine) show better CNS penetration than morphine due to heightened lipid solubility. Hydromorphone, a potent opioid, undergoes hepatic metabolism to form the active...
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Opioid Analgesics: Morphine and Other Natural Cogeners01:20

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Opioids are a class of drugs that mimic endogenous opioid peptides and act on opioid receptors, and help in pain relief. These compounds are classified as natural, synthetic, or semi-synthetic. Natural opioids, like morphine, codeine, and thebaine, are derived from the opium poppy plant (Papaver somniferum or Papaver album) and are termed opiates. Synthetic opioids are artificial, while semi-synthetic opioids combine natural and synthetic compounds. Morphine, a prototypical opioid, possesses a...
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Additional Routes of Drug Administration01:18

Additional Routes of Drug Administration

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Choosing the appropriate route of drug administration is significantly influenced by two key factors: the therapeutic objectives and the inherent properties of the drug being used.
Administering drugs via inhalation allows for the direct delivery of gaseous, volatile substances or droplets to different parts of the respiratory tract. One of the advantages of the inhalation route is the rapid absorption of drugs into the circulatory system, which is possible because of the large surface area of...
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Drug Administration and Therapy Phases: Overview01:26

Drug Administration and Therapy Phases: Overview

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Drugs, the chemical agents used in diagnosing, treating, or preventing diseases, undergo a four-phase process of development: pharmaceutic, pharmacokinetics, pharmacodynamics, and therapeutic.
The pharmaceutical phase focuses on leveraging the physicochemical properties of the drug to design and manufacture an effective product. Variants include orally administered tablets or capsules, topical creams or ointments, and parenteral-delivery solutions or emulsions.
The pharmacokinetic phase...
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Preclinical Development: Overview01:28

Preclinical Development: Overview

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Preclinical development consists of a series of tests that ensure the safety and efficacy of a new therapeutic compound before it is tested in humans. There are four main phases to this process. First, safety pharmacology tests are conducted to ensure the drug does not produce any acutely harmful effects. These tests examine parameters such as bronchoconstriction, cardiac dysrhythmias, blood pressure changes, and ataxia. Next, preliminary toxicological testing is performed to determine the...
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Related Experiment Video

Updated: Apr 4, 2026

Determining Pain Detection and Tolerance Thresholds Using an Integrated, Multi-Modal Pain Task Battery
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Directions for analgesic development.

Ting Ge1,2,3, Zhou Wu1,2,3, Sha Sha1,2,3

  • 1Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou 221004, China.

Journal of Anesthesia and Translational Medicine
|April 3, 2026
PubMed
Summary

Pathological pain significantly impacts quality of life, necessitating innovative analgesic development. This review explores future directions for pain management and mechanism studies.

Keywords:
AnalgesiaComorbidityNon-opioid analgesiaPainPain resilienceTraditional Chinese medicine

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Area of Science:

  • Pain research
  • Neuroscience
  • Pharmacology

Background:

  • Physiological pain is a protective survival mechanism.
  • Pathological pain is a debilitating condition affecting daily life.
  • Recent advances in pain mechanisms and analgesics require further innovation.

Purpose of the Study:

  • Summarize potential future directions for analgesic development.
  • Provide guidance for pain mechanism research.
  • Facilitate the creation of novel pain relief strategies.

Main Methods:

  • Literature review of recent advancements in pain research.
  • Analysis of current trends in analgesic drug development.
  • Synthesis of findings to identify promising research avenues.

Main Results:

  • Identified key areas for future analgesic research.
  • Highlighted the need for deeper understanding of pain mechanisms.
  • Outlined strategies for innovative drug discovery.

Conclusions:

  • Continuous innovation is crucial for effective pain management.
  • Future research should focus on novel therapeutic targets.
  • This review guides future studies in pain mechanisms and analgesics.