| Name | Closantel |
| Description | Closantel (R-31520), a salicylanilide anthelmintic compound, shows different anthelmintic spectra and obvious toxicity in mammals. |
| In vitro | Closantel (7.5 mg/kg) in combination with a broad-spectrum anthelmintic shows moderate efficacy against caprine Trichostrongylus spp, but is highly effective against Haemonchus contortus. In mice with Fasciola hepatica metacercarial cysts, treatment with closantel (10 mg/kg) leads to extensive peeling on the anterior and posterior extremities, as well as the dorsal and ventral surfaces, resulting in significant overall dermal damage 24 hours post-administration. Furthermore, in sheep infected with resistant H. contortus strains, isotope levels following treatment with radiolabeled closantel are significantly lower compared to susceptible worms. |
| In vivo | Compared to normal conditions, Closantel (50 μg/mL) induces vascular tissue to contract with greater amplitude and higher frequency, reaching a peak muscle tension after approximately 15 minutes, with the amplitude exceeding 1.5 times that of the maximum normal contraction. Additionally, Closantel effectively blocks the infection of host cells by A. phagocytophilum or E. chaffeensis and can clear infections after a one-day treatment in a dose-dependent manner. It also inhibits drug-resistant Enterococcus faecium and Staphylococcus aureus, with minimum inhibitory concentrations (MICs) of 1 μg/mL, and Methicillin-resistant Staphylococcus aureus (MRSA) with a MIC of 2 μg/mL. Moreover, Closantel inhibits the autophosphorylation activity of three sensor kinases derived from E. chaffeensis. |
| Storage | Shipping with blue ice/Shipping at ambient temperature. |
| Solubility Information | Ethanol : < 1 mg/mL (insoluble or slightly soluble)
DMSO : 55 mg/mL (82.95 mM), Sonication is recommended.
H2O : < 1 mg/mL (insoluble or slightly soluble)
10% DMSO+40% PEG300+5% Tween 80+45% Saline : 2 mg/mL (3.02 mM), Sonication is recommended.
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| Keywords | volvulus | salicylanilide | R31520 | R 31520 | Parasite | OvCHT1 | Onchocerca | O. volvulus | Inhibitor | inhibit | halogenated | fromprotozoans | Closantel | chitotriosidase | chitinase | antibacterial |
| Inhibitors Related | Neomycin sulfate | Levulinic acid | D(+)-Raffinose pentahydrate | Sulfamethoxazole sodium | Terbinafine hydrochloride | Hydroxychloroquine | 2-Amino-2-methyl-1-propanol | Fenpyroximate | Hyaluronic acid sodium (MW 20 kDa) | Dimethyl sulfoxide | Sodium diacetate | Sodium bicarbonate |
| Related Compound Libraries | Pesticide Compound Library | Anti-Parasitic Compound Library | Bioactive Compound Library | Approved Drug Library | EMA Approved Drug Library | Antibiotics Library | Drug Repurposing Compound Library | Inhibitor Library | FDA-Approved Drug Library | Immunology/Inflammation Compound Library | Bioactive Compounds Library Max | Human Metabolite Library |
United States
