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Related Concept Videos

Therapeutic Drug Monitoring: Affecting Factors01:29

Therapeutic Drug Monitoring: Affecting Factors

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Therapeutic Drug Monitoring (TDM) is the clinical practice of measuring specific drug levels in a patient's blood or body tissues to manage and optimize therapy. TDM is crucial for drugs with narrow therapeutic windows, like warfarin and phenytoin, where incorrect doses can lead to treatment failure or severe side effects. This monitoring ensures the dosage administered is within a safe and effective range. The factors affecting therapeutic drug monitoring include:Patient-Specific Factors:a.
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Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

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Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the...
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Therapeutic Drug Monitoring: Overview and Classification01:16

Therapeutic Drug Monitoring: Overview and Classification

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Therapeutic Drug Monitoring (TDM) is a clinical practice that measures specific drug levels in a patient's blood at designated intervals to ensure the drug concentration stays within a therapeutic range. This monitoring is crucial for optimizing individual dosage regimens, enhancing therapeutic efficacy, and minimizing drug-related toxicity. TDM is vital for drugs with narrow therapeutic windows, significant variability in pharmacokinetics, and a clear correlation between plasma levels and...
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Drug Therapy01:28

Drug Therapy

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The advent of drug therapy has profoundly shaped modern mental health care, providing targeted treatments for a range of psychological disorders. Psychotherapeutic drugs, classified into antianxiety, antidepressant, and antipsychotic medications, address symptoms across anxiety disorders, mood disorders, and schizophrenia. While these medications have transformed patient outcomes, they require careful management due to their potential side effects and limitations.
Antianxiety Medications
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Therapeutic Drug Monitoring: Drug Analysis Methods01:26

Therapeutic Drug Monitoring: Drug Analysis Methods

137
Therapeutic Drug Monitoring (TDM) is a clinical practice that measures specific drug levels in a patient's blood or body tissues to tailor drug therapy effectively. This monitoring is critical for managing drugs with narrow therapeutic indices like digoxin and phenytoin, ensuring they are both safe and effective. For instance, monitoring theophylline levels in asthma patients involves precision and sensitivity to adjust doses according to individual responses to therapy, ensuring efficacy and...
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Combining two or more treatment methods increases the life span of cancer patients while reducing damage to vital organs or tissue from the overuse of a single treatment. Combination therapy also targets different cancer-inducing pathways, thus reducing the chances of developing resistance to treatment.
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
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Updated: Dec 30, 2025

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Towards Multidrug Adaptive Therapy.

Jeffrey West1, Li You2, Jingsong Zhang3

  • 1Department of Integrated Mathematical Oncology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, Florida. alexander.anderson@moffitt.org jeffrey.west@moffitt.org.

Cancer Research
|January 18, 2020
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Summary
This summary is machine-generated.

Adaptive therapy for cancer uses drug-sensitive cells to control resistant ones. New concepts enable predictable, controllable cycles for multidrug adaptive cancer treatment.

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Area of Science:

  • Oncology
  • Mathematical Biology
  • Evolutionary Medicine

Background:

  • Adaptive therapy is an ecologically inspired cancer treatment strategy.
  • It leverages competition between drug-sensitive and drug-resistant cancer cells to maintain a stable tumor burden.
  • Current challenges exist in extending adaptive therapy to multiple drug regimens.

Purpose of the Study:

  • To present novel concepts for designing multidrug adaptive therapies.
  • To illustrate these concepts using a case study of metastatic castrate-resistant prostate cancer.
  • To provide a framework for controlling tumor evolution through strategic drug sequencing.

Main Methods:

  • Conceptual modeling of tumor evolution under multidrug treatment.
  • Analysis of evolutionary dynamics, including frequency-dependent selection and treatment availability.
  • Investigation of the impact of evolutionary velocity on treatment timing.

Main Results:

  • Tumor evolution can be directed into controllable, periodic cycles using frequency-dependent treatments.
  • The selection and availability of drugs can constrain the evolutionary trajectories of tumors.
  • The speed of tumor evolution is a critical factor in optimizing drug sequencing for adaptive therapy.

Conclusions:

  • Multidrug adaptive therapy can be designed by inducing repeatable evolutionary cycles.
  • Controlling the evolutionary landscape through strategic treatment selection is feasible.
  • Optimizing drug timing based on evolutionary velocity is key to successful multidrug adaptive cancer treatment.