The Journal of pharmacy and pharmacology · 2025
Impact of nanostructured formulations for schistosomiasis treatment: a systematic review of in vivo preclinical evidence.
СтатьяСистематический обзорНазвание и аннотация: Перевод в очереди
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de Castro Carvalho Silva Laís, Cunha Dos Reis Luís Felipe, Malaquias Luiz Cosme Cotta, Carvalho Flávia Chiva, Novaes Rômulo Dias, Marques Marcos José
Аннотация
BACKGROUND: Schistosomiasis is a neglected tropical disease caused by Schistosoma sp., and praziquantel (PZQ) is the first-line treatment. However, traditional PZQ formulations have low solubility and fast metabolism, limiting its effectiveness. Thus, nanoparticles have been proposed to improve the bioavailability and efficacy of poorly soluble antischistosomal drugs.
AIMS: This systematic review used in vivo preclinical studies to map the available evidence and compare the efficacy of free PZQ and PZQ-based nanostructured formulations (N-PZQ) for schistosomiasis treatment.
METHODS: PubMed, Embase, Scopus, and Web of Science were searched, and 1186 experimental studies published between 1974 and 2024 were screened. Parasitological, histopathological, pharmacokinetic, and toxicological outcomes were evaluated.
RESULTS: Twelve relevant studies were identified exploring N-PZQ formulations based on liposomes, nanoliposomes, and nanocrystals. N-PZQ demonstrated better therapeutic efficacy than free PZQ, reducing parasite load, modifying oogram profiles, and down-regulating liver granuloma development (number and size). N-PZQ also exhibited improved pharmacokinetic profile, with enhanced bioavailability and longer half-life, as well as reduced toxicity (cytotoxicity, genotoxicity, and hepatotoxicity) compared to free PZQ.
CONCLUSION: PZQ-based nanostructured formulations represent a promising strategy to enhance schistosomiasis treatment by improving chemotherapy efficacy, optimizing antiparasitic responses, pharmacokinetics, and reducing drug toxicity.
AIMS: This systematic review used in vivo preclinical studies to map the available evidence and compare the efficacy of free PZQ and PZQ-based nanostructured formulations (N-PZQ) for schistosomiasis treatment.
METHODS: PubMed, Embase, Scopus, and Web of Science were searched, and 1186 experimental studies published between 1974 and 2024 were screened. Parasitological, histopathological, pharmacokinetic, and toxicological outcomes were evaluated.
RESULTS: Twelve relevant studies were identified exploring N-PZQ formulations based on liposomes, nanoliposomes, and nanocrystals. N-PZQ demonstrated better therapeutic efficacy than free PZQ, reducing parasite load, modifying oogram profiles, and down-regulating liver granuloma development (number and size). N-PZQ also exhibited improved pharmacokinetic profile, with enhanced bioavailability and longer half-life, as well as reduced toxicity (cytotoxicity, genotoxicity, and hepatotoxicity) compared to free PZQ.
CONCLUSION: PZQ-based nanostructured formulations represent a promising strategy to enhance schistosomiasis treatment by improving chemotherapy efficacy, optimizing antiparasitic responses, pharmacokinetics, and reducing drug toxicity.