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Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
Published on: September 5, 2017
Insights
Pediatric tuberculosis treatment mirrors adult protocols, emphasizing adherence to multi-drug regimens. Shorter bitherapy regimens (isoniazid and rifampicin) show promise for treating latent tuberculosis infection in children.
Area of Science:
- Pediatric Infectious Diseases
- Mycobacterial Infections
- Pharmacology
Context:
- Tuberculosis (TB) in children requires prompt treatment for both latent infection and active disease.
- Adherence to prescribed antimycobacterial drug regimens is a significant challenge in pediatric TB management.
- Current treatment guidelines for pediatric TB largely align with adult protocols.
Purpose:
- To outline effective treatment strategies for pediatric tuberculosis, encompassing both latent infection and active disease.
- To evaluate the efficacy and duration of various therapeutic regimens, including monotherapy and combination therapy.
- To address challenges related to drug resistance and patient adherence in pediatric TB treatment.
Summary:
- Treatment for pediatric tuberculosis, whether latent infection or active disease, involves multi-drug regimens similar to adults, taken orally once daily. Mediastinopulmonary TB treatment lasts six months, initially with isoniazid (INH), rifampicin (RMP), and pyrazinamide (PZA), potentially including ethambutol (EMB), followed by INH and RMP. For latent TB infection, 12-month INH monotherapy was effective, but six-month INH/RMP bitherapy is now proposed to prevent resistance and shorten treatment duration. Recent studies explore the efficacy of even shorter, three-month bitherapy regimens.
Impact:
- Optimizing pediatric TB treatment regimens can improve patient outcomes and reduce the risk of disease progression.
- Addressing adherence issues and exploring shorter, effective treatment durations are crucial for global TB control efforts.
- Understanding the nuances of pediatric TB pharmacotherapy aids in preventing drug resistance and minimizing treatment-related toxicities.
Abstract:
Any tuberculosis of the child must be treated, whether it is a latent or a tuberculosis-disease. The treatment of pediatric tuberculosis is the same as the one for adults. The latter consists in a combination of several antimycobacterial drugs taken simultaneously per os in a single intake in the morning while fasting. The major problem is observance. Mediastinopulmonary tuberculosis: the treatment is six months long with in the first two months a combination of isoniazide (INH) 5 to 10 mg/kg per day, rifampicine (RMP) 10 to 20 mg/kg per day, and pyrazinamide (PZA) 20 to 30 mg/kg per day. The addition of ethambutol (EMB) 15 to 25 mg/kg per day is discussed. The four following months, the combination of INH and RMP is continued with the same dosage. The goal of treatment for tuberculosis-infection in the child is to prevent the appearance of tuberculosis-disease. INH in monotherapy for 12 months was first suggested. It allowed an 80% reduction of risk for ten years compared to a placebo group. In order to prevent the risks of failure related to a primary resistance to INH and to reduce the duration of treatment, a bitherapy (INH + RMP) has been proposed for six months. A recent study determines the efficiency of a three-month bitherapy.
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