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Related Concept Videos

Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

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 progression...
Dosage Regimen: Fixed Dose01:01

Dosage Regimen: Fixed Dose

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...
Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Therapeutic Drug Monitoring: Affecting Factors01:29

Therapeutic Drug Monitoring: Affecting Factors

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.
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:

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A High-throughput Compatible Assay to Evaluate Drug Efficacy against Macrophage Passaged Mycobacterium tuberculosis
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Published on: March 24, 2017

Fixed-dose combination antituberculosis therapy: a systematic review and meta-analysis.

Amr S Albanna1, Benjamin M Smith, Deanna Cowan

  • 1Respiratory Epidemiology and Clinical Research Unit,Montreal Chest Institute, McGill University,Montreal, QC, Canada.

The European Respiratory Journal
|January 15, 2013
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Fixed-dose combination (FDC) formulations for tuberculosis (TB) treatment do not appear to improve outcomes. A systematic review found no significant benefits in drug resistance, bacterial conversion, or adverse events, with a trend toward higher relapse risk with FDCs.

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Area of Science:

  • Pharmacology
  • Infectious Diseases
  • Public Health

Background:

  • Fixed-dose combination (FDC) formulations are standard for active tuberculosis (TB) treatment.
  • Evaluating FDCs against separate drug formulations is crucial for optimizing TB therapy.

Purpose of the Study:

  • To systematically review and compare FDCs versus separate drug formulations for active TB.
  • Assess risks of treatment failure, relapse, drug resistance, and adverse events.
  • Evaluate bacterial conversion, adherence, and patient satisfaction.

Main Methods:

  • Systematic review of randomized controlled trials and cohort studies.
  • Searched four electronic databases for relevant literature.
  • Pooled data from trials directly comparing FDCs and separate formulations.

Main Results:

  • No differences in acquired drug resistance, bacterial conversion, or adverse events.
  • A trend towards higher risk of treatment failure or relapse with FDCs (RR 1.28).
  • Limited evidence suggests FDCs do not improve patient adherence or satisfaction.

Conclusions:

  • Current evidence does not support improved treatment outcomes with FDCs for active TB.
  • While simplifying therapy, FDCs may not enhance efficacy or patient adherence.
  • Further research is needed to clarify the role of FDCs in TB management.