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Related Concept Videos

Dose Size and Dosing Frequency: Determination Methods01:21

Dose Size and Dosing Frequency: Determination Methods

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Determining the optimal dose size and dosing frequency in pharmacotherapy is crucial for achieving therapeutic effectiveness while minimizing adverse effects. This article explores the methodologies employed in determining these parameters, focusing on their significance and interplay to tailor dosing regimens.Dose Size: Dose size refers to the amount of a drug administered in a single dose. It is determined based on the drug's pharmacodynamics and pharmacokinetics properties and...
289
Determination of Multiple Dosing Parameters: Loading and Maintenance Doses01:25

Determination of Multiple Dosing Parameters: Loading and Maintenance Doses

232
A loading dose is an essential pharmacological strategy to rapidly achieve the target plasma drug concentration necessary for an immediate therapeutic effect. This approach is especially critical for drugs characterized by slow absorption or extended half-lives, where delaying therapeutic plasma levels could compromise treatment outcomes. By administering a loading dose, clinicians ensure a prompt onset of drug action, even for agents with complex pharmacokinetic profiles.Achieving steady-state...
232
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.
In most cases, drugs are administered repetitively or infused continuously to maintain a steady-state concentration in the body. At a steady...
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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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Drug Dosing: Infants and Children01:29

Drug Dosing: Infants and Children

267
Pediatric patient dosages diverge from adults due to disparities in body surface area, total body water, and extracellular fluid per kilogram of body weight. The dosing regimen considers the variations in pharmacokinetics and pharmacology across distinct age groups, encompassing preterm newborns, infants, young children, older children, and adolescents. Calculation of pediatric patient doses is predicated on determining body surface area, which exhibits a superior correlation with the child's...
267
Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

229
Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
229

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Related Experiment Video

Updated: Jan 27, 2026

Precision Implementation of Minimal Erythema Dose MED Testing to Assess Individual Variation in Human Inflammatory Response
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Low Dose Naltrexone in Dermatology

Joanna Jaros, Peter Lio

    Journal of Drugs in Dermatology : JDD
    |March 26, 2019
    PubMed
    Summary

    Low-dose naltrexone (LDN) shows promise as an anti-inflammatory therapy for various conditions. Emerging evidence suggests LDN may also benefit dermatologic conditions, including atopic dermatitis.

    Area of Science:

    • Immunology
    • Dermatology
    • Pharmacology

    Background:

    • Low-dose naltrexone (LDN) is recognized for its immunomodulatory and anti-inflammatory properties.
    • LDN has demonstrated efficacy in treating diverse conditions such as Crohn's disease, fibromyalgia, and multiple sclerosis.
    • Recent studies indicate LDN's potential in managing various dermatologic conditions.

    Purpose of the Study:

    • To review the current evidence supporting the use of LDN in dermatologic conditions.
    • To explore the potential of LDN as a treatment for atopic dermatitis (AD).

    Main Methods:

    • Literature review of existing studies on LDN in skin diseases.
    • Discussion of the proposed mechanisms of action for LDN in dermatologic applications.

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    Main Results:

    • LDN has shown positive outcomes in conditions like systemic sclerosis, Hailey-Hailey Disease, lichen planopilaris, and guttate psoriasis.
    • The anti-inflammatory and immunomodulatory effects of LDN are key to its observed benefits.

    Conclusions:

    • Existing evidence supports the investigation of LDN for various skin conditions.
    • LDN presents a potential therapeutic option for atopic dermatitis, warranting further research.