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Evolution of pediatric pharmaceutical forms for treatment of Hansen's disease (leprosy)
Jocimar da Silva Santos1, Franciely da Costa Alves1, Efraim José Dos Santos Júnior1
1Núcleo de Controle de Qualidade de Medicamentos e Correlatos, Department of Pharmacy, Universidade Federal de Pernambuco, Av. Prof. Arthur de Sá, S/N, Cidade Universitária, Recife PE, Brasil.
Insights
Innovative pharmaceutical formulations are being developed to improve leprosy treatment adherence and success in children. This research reviews global patents for pediatric leprosy drug delivery systems.
Area of Science:
- Pharmaceutical Sciences
- Pediatric Infectious Diseases
- Drug Delivery Systems
Background:
- Leprosy, caused by *Mycobacterium leprae*, is a chronic infectious disease often more severe in children.
- Current standard treatments (rifampicin, clofazimine, dapsone) in solid forms lead to poor adherence and treatment failure in pediatric patients.
- Despite numerous formulation technologies developed, challenges remain in optimizing pediatric leprosy therapy.
Approach:
- A global patent review was conducted to analyze technological advancements in pharmaceutical treatments for pediatric leprosy.
- Formulations were categorized by administration route: oral, inhalable, injectable, and transdermal.
- Physicochemical drug properties and pediatric patient physiology were considered in organizing alternative formulations.
Key Points:
- Patented innovative formulations offer diverse administration routes for pediatric leprosy treatment.
- Key challenges include the physicochemical instability of drug formulations.
- Addressing formulation optimization is crucial for therapeutic success in children.
Conclusions:
- Technological evolution in pharmaceutical formulations presents new avenues for pediatric leprosy treatment.
- Overcoming drug stability issues is critical for bringing innovative pediatric formulations to market.
- Optimized formulations are essential to improve therapeutic outcomes and combat leprosy in pediatric populations.
Introduction:
Leprosy is a neglected, infectious, granulomatous and chronic disease caused by the pathological agent Mycobacterium leprae. The course of the disease is more aggressive in patients under 15 years of age, but the current treatment offered worldwide consists of solid forms, by the combination of antibiotics such as rifampicin, clofazimine and dapsone. This represents results in lack of adherence in pediatric patients and drug therapy failure, although numerous formulations and technologies have already been developed.
Area Covered:
This study aims to analyze the technological evolution of the pharmaceutical treatment of leprosy, aimed at children. A review of patents around the world was conducted to look for technical and clinical aspects of formulations and devices.
Expert Opinion:
Innovative formulations for pediatric patients were classified according to the routes of administration as oral, inhalable, injectable and transdermal. The formulations were organized as alternatives for pediatric therapy, taking into account the physicochemical aspects of drugs and the physiological aspects of pediatric patients. Among the difficulties for the patented formulations to reach the market, of special note is the low stability of the physicochemical characteristics of the drugs. Optimization of formulations would favor the pediatric treatment of leprosy, aiming at therapeutic success.
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