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Related Concept Videos

Dosage Regimen: Fixed Dose01:01

Dosage Regimen: Fixed Dose

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Fixed-dose regimens are a common approach to administer drugs to achieve and maintain desired levels of the drug in the body. In this dosing strategy, a specific amount of medication is given at regular intervals, often multiple times a day, to ensure a consistent drug concentration in the bloodstream.
Fixed-dose regimens can be used for various routes of administration, including intravenous (IV) injections and oral medications. For IV administration, a predetermined amount of the drug is...
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Opioid Analgesics: Synthetic and Semisynthetic Opioids01:15

Opioid Analgesics: Synthetic and Semisynthetic Opioids

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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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Rational Dosage Regimen: Maintenance Dose and Loading Dose01:24

Rational Dosage Regimen: Maintenance Dose and Loading Dose

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A rational dosage regimen considers a drug's pharmacokinetics, including its absorption, distribution, metabolism, and elimination from the body. By understanding these factors, the appropriate dosage can be determined, and the dosing schedule can be designed to achieve and maintain the desired therapeutic effect while minimizing adverse effects.
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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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Drug Dosage Regimen: Overview01:15

Drug Dosage Regimen: Overview

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A drug dosage regimen describes the specific instructions and schedule for administering a drug to a patient. It considers factors such as drug dosage, frequency, route of administration, and duration of treatment. Designing an appropriate dosage regimen for a patient aims to achieve a target drug concentration at the site of action.
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Dose-Response Relationship: Overview01:03

Dose-Response Relationship: Overview

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Agonists can bind with and activate receptors, resulting in the formation of drug-receptor complexes. Once formed, these complexes catalyze many biochemical processes at the cellular level and subsequently induce a pharmacologic response. The degree of response is directly proportional to the fraction of activated receptors, which in turn, depends on the concentration of the drug at the receptor site as well as the sensitivity of the receptor. An increase in the administered dose contributes to...
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Determining Pain Detection and Tolerance Thresholds Using an Integrated, Multi-Modal Pain Task Battery
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Fixed Dose Versus Loose Dose: Analgesic Combinations.

Joseph Pergolizzi1, Giustino Varrassi2, Jo Ann K LeQuang3

  • 1Cardiology, Native Cardio, Inc., Naples, USA.

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|February 6, 2023
PubMed
Summary
This summary is machine-generated.

Combination analgesics, including fixed-dose products and loose combinations, offer effective pain management with potential for reduced opioid use and improved patient outcomes. These formulations provide additive or synergistic benefits, enhancing the analgesic armamentarium.

Keywords:
analgesiafixed-dose combination analgesicsloose dose combination analgesicsnonopioid analgesicsopioidspain

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Area of Science:

  • Pharmacology
  • Pain Management
  • Drug Development

Background:

  • Multimechanistic pain often requires combination therapies for effective management.
  • Drug combinations can be fixed (single product) or loose (separate agents).
  • Opioid and nonopioid combinations can reduce opioid consumption without compromising analgesia.

Purpose of the Study:

  • To review the role and benefits of combination analgesics in pain management.
  • To discuss the advantages and limitations of fixed-dose versus loose combination products.
  • To explore novel approaches like co-crystal formations for analgesic agents.

Main Methods:

  • Literature review of existing fixed-dose combination analgesics.
  • Analysis of pharmacokinetic and pharmacodynamic principles of drug combinations.
  • Discussion of synergistic and additive effects in analgesic therapy.

Main Results:

  • Fixed-dose combinations offer convenience and predictable profiles but lack dosing flexibility.
  • Loose combinations provide titration flexibility for personalized patient care.
  • Dual-mechanism drugs and co-crystal technology represent advancements in analgesic development.

Conclusions:

  • Combination analgesics are valuable additions to pain management strategies.
  • Appropriate selection of drug combinations can optimize analgesic efficacy and safety.
  • Future innovations aim to enhance drug characteristics and therapeutic benefits.