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Related Concept Videos

Opioid Analgesics: Synthetic and Semisynthetic Opioids01:15

Opioid Analgesics: Synthetic and Semisynthetic Opioids

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...
Opioid Analgesics: Morphine and Other Natural Cogeners01:20

Opioid Analgesics: Morphine and Other Natural Cogeners

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...
Analgesia and Pain Management01:25

Analgesia and Pain Management

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...
Opioid Receptors: Overview01:22

Opioid Receptors: Overview

Opioid receptors, including the mu (μ, MOR), delta (δ, DOR), and kappa (κ, KOR) types, belong to the rhodopsin family of G protein-coupled receptors. These receptors are located throughout the central and peripheral nervous systems and in non-neuronal tissues such as macrophages and astrocytes. Opioid receptor ligands can be categorized into agonists or antagonists. Highly selective agonists include [d-Ala2, MePhe4, Gly(ol)5]-enkephalin or DAMGO for MOR, [D-Pen2, D-Pen5]-enkephalin or DPDPE for...
Drugs Affecting GI Tract Motility: Opioids as Antidiarrheal Agents01:17

Drugs Affecting GI Tract Motility: Opioids as Antidiarrheal Agents

Diarrhea, a condition marked by frequent loose or watery bowel movements, can be triggered by multiple factors such as viral or bacterial infections, food intolerances, anxiety, medications, and digestive disorders. Symptoms may include abdominal pain, bloating, nausea, and cramping. Severe or prolonged diarrhea can lead to complications like electrolyte imbalances, malnutrition, and dehydration if left untreated.
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Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

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Related Experiment Videos

Opioids for metastatic bone pain.

Satoshi Hara1

  • 1Division of Palliative Care, Kinki University Hospital, Osakasayama, Japan. hara@surg.med.kindai.ac.jp

Oncology
|September 10, 2008
PubMed
Summary
This summary is machine-generated.

Effective cancer pain management for metastatic bone pain involves a combination of nonsteroidal anti-inflammatory drugs and opioids. Doses up to 80 mg of oxycodone provided satisfactory pain relief for 80% of patients, improving survival quality.

Related Experiment Videos

Area of Science:

  • Oncology
  • Pain Management
  • Palliative Care

Background:

  • Metastatic bone pain is a common and challenging aspect of cancer pain.
  • The World Health Organization (WHO) guidelines recommend a combination of nonsteroidal anti-inflammatory drugs and opioids for effective cancer pain management.
  • Commonly used opioids include morphine, oxycodone, and fentanyl.

Purpose of the Study:

  • To evaluate the efficacy of oxycodone in managing metastatic bone pain.
  • To determine optimal dosing strategies for oxycodone in cancer patients.
  • To assess the role of palliative radiation therapy in conjunction with pharmacotherapy for bone metastasis pain.

Main Methods:

  • Retrospective analysis of patients with metastatic bone pain.
  • Administration of nonsteroidal anti-inflammatory drugs and opioids, with a focus on oxycodone.
  • Palliative radiation therapy was administered to a subset of patients.

Main Results:

  • The mean oxycodone dose for analgesic effect was 55 mg.
  • Satisfactory analgesia was achieved in 80% of patients receiving oxycodone doses of 80 mg or less.
  • Palliative radiation therapy in 6 patients resulted in pain relief in 4, allowing for opioid dose reduction.

Conclusions:

  • Metastatic bone pain management requires early intervention with a multimodal approach.
  • Pharmacotherapy, particularly with oxycodone, combined with radiation or orthopedic interventions, can significantly improve patient quality of survival.
  • Bone metastasis should not be viewed as a terminal stage, emphasizing the importance of proactive pain alleviation strategies.