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Related Concept Videos

Pharmacovigilance01:19

Pharmacovigilance

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Post-marketing surveillance is a critical component of pharmaceutical regulation, often uncovering unanticipated adverse drug reactions (ADRs) once a drug is widely used over an extended period.
This process, termed pharmacovigilance, aims to detect, evaluate, and minimize harmful effects related to medication use. The data collection for pharmacovigilance depends on spontaneous reporting systems, where healthcare professionals or patients voluntarily report suspected ADRs.
In some cases, there...
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Methods for Studying Drug Absorption: In situ01:09

Methods for Studying Drug Absorption: In situ

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In situ experiments, such as the Doluisio method and Single-Pass Perfusion technique, provide critical insights into drug uptake by simulating in vivo conditions for drug absorption.
The Doluisio method involves perfusing a prepared segment of a rat's small intestine with a solution of radiolabeled drug and a non-absorbable marker. This helps to differentiate between absorbed and non-absorbed drug concentrations. The intestinal segment is connected at both ends using tubing and syringes,...
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Methods for Studying Drug Absorption: In vitro01:16

Methods for Studying Drug Absorption: In vitro

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In vitro experiments are crucial for understanding the transport and absorption of drugs through biological materials. These studies employ varied methods such as the diffusion cell method, the everted sac technique, and the everted ring technique.
The diffusion cell method uses a two-compartment cell, including a donor compartment with the drug solution, which simulates the environment where the drug is applied, and a receptor compartment with a buffer solution, which simulates the environment...
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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.
Typically, the starting dose and dosing interval are guided by the manufacturer's recommendations based on clinical trials conducted during and after drug...
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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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Clinical Trials: Overview01:11

Clinical Trials: Overview

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Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
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AI Conversational Agent to Improve Varenicline Adherence: Protocol for a Mixed Methods Feasibility Study.

Nadia Minian1,2,3,4,5, Kamna Mehra1, Mackenzie Earle1

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This study pilots ChatV, an AI health bot designed to improve varenicline adherence for smoking cessation. Results will determine if a larger trial is feasible, assessing the bot's usability and effectiveness.

Keywords:
AIartificial intelligenceevaluationhealth botmedication adherencesmoking cessationvarenicline

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Area of Science:

  • Digital health interventions
  • Artificial intelligence in healthcare
  • Smoking cessation research

Background:

  • Varenicline is effective for smoking cessation, but adherence is a challenge, with one-third nonadherent by week two.
  • Behavioral support enhances medication adherence, leading to the development of ChatV, an AI health bot.
  • ChatV provides medication reminders, answers questions, and tracks intake to improve varenicline adherence.

Purpose of the Study:

  • To assess the feasibility of the ChatV health bot for improving varenicline adherence.
  • To determine if ChatV is used as intended by participants.
  • To evaluate the appropriateness of proceeding with a randomized controlled trial for ChatV.

Main Methods:

  • A mixed methods feasibility study involving 40 participants using ChatV with a 12-week varenicline regimen.
  • Data collection includes chatbot usage metrics, questionnaires on adherence and usability, and interviews.
  • Progression criteria will guide decisions on a future randomized controlled trial, with a health equity lens applied throughout.

Main Results:

  • Participant enrollment for the study is scheduled to commence in January 2024.
  • The study will collect data on ChatV adoption, acceptability, appropriateness, fidelity, and usability.
  • Preliminary data on medication adherence and smoking cessation will be gathered to assess treatment effects.

Conclusions:

  • Study results will inform the decision to advance to a larger randomized controlled trial based on predefined progression criteria.
  • The study will explore key implementation outcomes: acceptability, appropriateness, fidelity, adoption, and usability of the AI health bot.
  • Findings will be crucial for refining the ChatV intervention and optimizing its effectiveness in smoking cessation support.