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Dosage Interval and Administration Route: Determination Methods01:19

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A medication’s effectiveness largely depends on its appropriate dosage and the route of administration. Dosage ensures that a sufficient drug concentration is maintained in the bloodstream to elicit the desired therapeutic effect without causing toxicity. The route of administration affects the drug's bioavailability, rate of absorption, and onset of action, which are crucial for achieving optimal therapeutic outcomes. Drug dosage calculations are critical to tailoring therapy to...
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Dosage Regimen: Fixed Dose01:01

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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.
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Drug Administration and Therapy Phases: Overview01:26

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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.
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Dosage Regimen: Multiple Oral Dosage01:25

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Understanding how a drug's concentration fluctuates within the body over time is crucial in pharmacokinetics, particularly with multiple oral doses. A graphical representation of multiple oral dosages provides insight into these dynamics. Typical accumulation curves of a drug's concentration in the body reveal a sawtooth pattern, indicating periodic peaks and troughs correlating with each dose administration and the drug's subsequent elimination.The plasma concentration at any time during an...
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Dosage Regimens: Partial Pharmacokinetic Parameters01:01

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It is not uncommon for complete drug pharmacokinetic profiles to remain elusive in pharmacokinetics. This necessitates certain educated assumptions by pharmacokineticists to determine appropriate dosage regimens without comprehensive pharmacokinetic data from animal or human studies. One prevalent assumption is setting the bioavailability factor, denoted as F, to 1 or 100%. This assumption caters to the scenario where a drug doesn't achieve full systemic absorption, resulting in the patient...
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Routes of Drug Administration: Overview01:22

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Drug administration involves delivering drugs to the body through various routes, such as enteral, parenteral, and topical.
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Time Intervals Until the First Return Office Visit After New Medications.

Suraj Muddasani, Courtney E Heron, Alan B Fleischer

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    Patient medication adherence in dermatology is often poor. Scheduling earlier follow-up visits after starting new prescriptions can significantly improve patient adherence and health outcomes.

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    Area of Science:

    • Dermatology
    • Health Outcomes Research
    • Patient Adherence

    Background:

    • Medication non-adherence is a prevalent issue in dermatology, leading to adverse health outcomes.
    • Shorter intervals for initial follow-up appointments post-medication initiation may enhance patient adherence.

    Purpose of the Study:

    • To analyze the typical time frame for the first return office visit after initiating new dermatological medications.
    • To investigate the relationship between follow-up visit scheduling and patient adherence.

    Main Methods:

    • Retrospective cross-sectional study utilizing the National Ambulatory Medical Care Survey (NAMCS) data from 2014 to 2016.
    • Analysis of approximately 10.9 million estimated patient visits.

    Main Results:

    • A significant percentage of patients with acne, atopic dermatitis, and psoriasis were scheduled for return visits two months or longer, or as needed, after starting new medications.
    • Specific percentages for extended or as-needed follow-ups were 73.5% for acne, 49.1% for atopic dermatitis, and 55.0% for psoriasis.

    Conclusions:

    • The typical first follow-up visit after prescribing new dermatological medications often extends beyond two months.
    • Implementing earlier follow-up appointments could be a strategy to improve medication adherence in dermatological care.