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A High-throughput Compatible Assay to Evaluate Drug Efficacy against Macrophage Passaged Mycobacterium tuberculosis
Published on: March 24, 2017
Advances in Drug Discovery and Development for Pediatric Tuberculosis
Daniel Hoagland, Ying Zhao, Richard E Lee1
1Department of Chemical Biology and Therapeutics, St Jude Children's Research Hospital, MS#1000, Memphis, TN 38105, USA. Richard.Lee@stjude.org.
Insights
Pediatric tuberculosis affects half a million children globally. This review explores safer drug options and new agents for treating drug-resistant pediatric tuberculosis, addressing unique challenges in children.
Area of Science:
- Pediatric infectious diseases
- Mycobacterial infections
- Pharmacology
Background:
- Pediatric tuberculosis (TB) is a significant global health issue, affecting approximately 500,000 children annually.
- Children face higher susceptibility to TB infection, disease progression, and extrapulmonary dissemination.
- Current TB treatments for children are adapted from adult regimens, posing challenges due to differing pathology, pharmacokinetics, and safety profiles.
Purpose of the Study:
- To review safety concerns of current first- and second-line anti-TB agents in pediatric populations.
- To identify and prioritize agents with better tolerability for children with complex drug-resistant infections.
- To assess the suitability of novel anti-TB drugs in the clinical pipeline for pediatric use.
Main Methods:
- Literature review of current and emerging anti-tuberculosis therapies.
- Analysis of drug pharmacokinetics, safety data, and clinical trial information relevant to pediatric TB.
- Evaluation of chemical properties and potential efficacy of new drug candidates for pediatric multi-drug resistant TB.
Main Results:
- Current anti-TB agents present safety concerns in children, necessitating careful dosing and monitoring.
- Several new anti-TB drugs in development show promise for improved efficacy and safety in pediatric patients.
- Understanding pediatric-specific drug profiles is crucial for optimizing treatment strategies.
Conclusions:
- There is a critical need for better-tolerated and effective treatments for pediatric tuberculosis, especially drug-resistant forms.
- New anti-TB agents in development may offer significant advantages for treating children.
- Further research and clinical trials focused on pediatric populations are essential for advancing treatment options.
Abstract:
Pediatric tuberculosis is an underappreciated global epidemic estimated to afflict around half a million children worldwide. This problem has historically been overlooked, due in part to their low social status and the difficulty in diagnosis of tuberculosis in children. Children are more susceptible to tuberculosis infection and disease progression, including rapid dissemination into extrapulmonary infection sites. Treatment of pediatric tuberculosis infections has been traditionally built around agents used to treat the adult disease, but the disease pathology, drug pharmacokinetics and the safety window in children differs from the adult disease. This produces additional concerns for drug discovery and development of new agents. This review examines: (i) the safety concerns for current front and second line agents used to treat complex drug resistant infections and how this knowledge can be used to identify, prioritize and dose agents that may be better tolerated in pediatric populations; and (ii) the chemistry and suitability of new drugs in the clinical development pipeline for tuberculosis for the treatment of pediatric infections indicating several new agents may offer significant improvements for the treatment of multi-drug resistant tuberculosis in children.
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