| Function: | Antiparasitic |
|---|---|
| Certification: | GMP |
| Grade Standard: | Medicine Grade |
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Praziquantel is a pyrazinoquinoline compound originally developed for the treatment of schistosomiasis but has been found to have a wide spectrum of anthelminthic activity. Praziquantel is a racemate but the R (+) enantiomer is solely responsible for its antiparasitic activity. It is active against trematodes (all Schistosoma species pathogenic to man, Paragonimus westermani, and Clonorchis sinensis) and cestodes (Taenia saginata, Taenia solium, Hymenolepis nana and Diphyllobothrium latum) .
The mechanism of action of praziquantel is not clearly known. Schistosomes take up the drug rapidly. Drug uptake is immediately followed by increased muscular activity that proceeds to tetanic contraction and vacuolization of the parasite tegument .
The muscular effects of the drug are presumed to be responsible for the shift of the parasites from the mesenteric veins to the liver in vivo. However, hepatic shift has been demonstrated with most known schistosomicides and may not provide any specific information of the drug's mechanism of action. Recent experimental findings have suggested that the antischistosomal effects of the drug are related to its effect on the tegument rather than on the musculature.
Another pharmacological effect of the drug includes an increase of membrane permeability to cations, particularly calcium.
However, the role of this effect to the anthelminthic property of the drug is unknown.
| Basic Information | |
| Product name | Praziquantel |
| Grade | Pharma grade |
| Appearance | It is white or almost white crystalline powder |
| Analysis standard | BP/USP/EP/FCC/E300 |
| Assay | 99% |
| Shelf life | 2 years |
| Packing | 25kg/drum |
| Characteristic | Freely soluble in ethanol or dichloromethane. Slightly soluble in water |
| Condition | Sealed in dry,Store in freezer, under -20°C |
It is a kind of broad-spectrum anti-parasitic disease drug. It can be used for the treatment and prevention of schistosomiasis, cysticercosis, paragonimiasis, hydatid disease, fasciolopsiasis, hydatid disease, and worm infection.
It can also be used as anthelmintic and is effective in treating animal gastrointestinal nematodes. It can be mixed in the feed for application.
The product is a kind of anthelmintic drug effective in treating Schistosoma japonicum, Schistosoma mansoni and Schistosoma haematobium, Clonorchis sinensis, Paragonimus westermani, fasciolopsis buski, tapeworms and cysticercosis. It has a especially strong killing effect on tapeworm and is currently of highest efficiency among anti-schistosomiasis drug.
It is a kind of anthelmintics drug mainly used for treating schistosomiasis. It can also used for treating Fahrenheit schistosomiasis, taeniasis, paragonimiasis, and cysticercosis.
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