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Fascioliasis: a worldwide parasitic disease of importance in travel medicine.

Fascioliasis is a foodborne zoonotic disease caused by the two parasite species Fasciola hepatica and Fasciola gigantica. This trematodiasis … acute period, as well as to other situations in which coprological techniques may present problems. Triclabendazole is the drug of choice at present, although the spread of resistance to this drug is challenging. Prevention mainly concerns measures to avoid individual infection by considering the different human infection sources.

Surface and internal tegumental changes in juvenile Fasciola hepatica following treatment in vivo with the experimental fasciolicide, compound alpha.

Eight indoor-reared, crossbred sheep with no pre-exposure to Fasciola hepatica were infected, by oral gavage, with 200 metacercarial cysts of the triclabendazole-susceptible, Cullompton isolate of F. hepatica. Anthelmintic dosing occurred at 4 weeks post-infection using 15mg/kg compound alpha. Two treated sheep per time period were euthanized at 24h, 48h and 72h post-treatment with compound alpha. The two sheep from the control group were euthanized alongside the 24h alpha-treated sheep. Juvenile flukes were recovered from each of the sheeps' liver and processed for examination by electron mic…

The diterpenoid 7-keto-sempervirol, derived from Lycium chinense, displays anthelmintic activity against both Schistosoma mansoni and Fasciola hepatica.

BACKGROUND: Two platyhelminths of biomedical and commercial significance are Schistosoma mansoni (blood fluke) and Fasciola hepatica (liver fluke). These related trematodes are responsible for the chronic neglected tropical diseases schistosomiasis and fascioliasis, respectively. As no vaccine is currently available for anti-flukicidal immunoprophylaxis, current treatment is mediated by mono-chemical chemotherapy in the form of mass drug administration (MDA) (praziquantel for schistosomiasis) or drenching (triclabendazole for fascioliasis) programmes. This overreliance on single chemotherapeut…

Imaging findings of human hepatic fascioliasis: a case report and review of the literature.

BACKGROUND: Fascioliasis is a food-borne hepatobiliary zoonosis caused by Fasciola hepatica and Fasciola gigantica. Human infestations are p … confirmed by serologic tests using enzyme-linked immunosorbent assay. The patient was treated with triclabendazole, showing great clinical improvement, and was eventually discharged in good health condition. CONCLUSION: The imaging findings in this case report highlight the importance of cross-sectional imaging for further evaluation of suspected cases of fluke …

Comparison of four commercially available ELISA kits for diagnosis of Fasciola hepatica in Irish cattle.

BACKGROUND: Fasciola hepatica is a liver parasite of mammals and it results in poor welfare outcomes and economic losses in ruminants. While … ecificities, (ii) sera from pre- and post-flukicide-treated (albendazole, closantel, nitroxynil and triclabendazole) beef cattle to contrast the differences of seropositivity before and after treatment, and (iii) bulk tank milk samples from dairy herds sampled during high and low F. hepatica exposure periods for assessing seasonal variations with the four tests a …

Hepatobiliary fascioliasis: a case with unusual radiological features.

We report a case of hepatobiliary fascioliasis presenting with unusual radiological findings that have not been reported previously. Imaging studies revealed hepatic cystic pouches communicating with intrahepatic bile ducts. Snail-like, oval shaped and conglomerated echogenic particles with no acoustic shadowing, suggesting F. hepatica, were detected in these cystic pouches. In addition, secondary sclerosing cholangitis developed after fascioliasis.

Fasciola hepatica in a country of low incidence: a tricky diagnosis.

BACKGROUND: Fasciola hepatica is a foodborne trematode present worldwide. Definitive hosts are mostly ruminants such as cattle and sheep, as … most common findings were bile duct dilatation, followed by hepatic lesions. Treatment consisted of Triclabendazole 10 mg/Kg. One patient needed a second treatment course for persistent disease. There were no recurrences. CONCLUSIONS: With a low incidence of Fasciola hepatica in Switzerland, correct diagnosis is often substantially delayed. Raising awareness amo …

An ultrasensitive capture ELISA for detection of Fasciola hepatica coproantigens in sheep and cattle using a new monoclonal antibody (MM3).

A capture enzyme-linked immunosorbent assay (ELISA) using a new monoclonal antibody (mAb MM3) is reported for the detection of Fasciola hepa … om lambs experimentally infected with 5-40 F. hepatica metacercariae and in some cases treated with triclabendazole at 14 wk postinfection (PI), and from uninfected control lambs. Cattle feces were collected at the slaughterhouse from adult cows naturally infected with known numbers of flukes (from 1 to 154) or free of F. hepatica infection (though in most cases …

High prevalence of fasciolosis and evaluation of drug efficacy against Fasciola hepatica in dairy cattle in the Maffra and Bairnsdale districts of Gippsland, Victoria, Australia.

Liver fluke (Fasciola hepatica) is a common parasite amongst grazing livestock in the south-eastern region of Australia and is responsible for significant production losses in the beef and dairy industries. Gippsland in Victoria is a major region for dairy production but no fluke prevalence data in livestock has been obtained in this region since the late 1970s prior to the introduction of Triclabendazole (TCBZ). TCBZ resistance is also now widespread in cattle in south east Australia. In this study, we evaluated the prevalence and intensity of liver fluke infections in dairy cattle in Gippsla…

Evaluation of the flukicide treatment policy for dairy cattle in Galicia (NW Spain).

Fasciola hepatica infection is an important cause of lost productivity in livestock worldwide. Effective control of fasciolosis is difficult … ndazole or netobimin) and (C) a fasciolicide effective against immature and mature stages was used (triclabendazole: TCBZ). Results indicated that 16.0% (832/5188) cows from 61.1% (168/275) herds were infected by F. hepatica. The mean coproantigen concentration in infected herds was 13.0ng/ml (range 0.9-112.6ng/ml). The highest individual concentration recorded w …

Endoscopic therapy of fascioliasis resistant to oral therapy.

BACKGROUND: We present an endoscopic approach to patients with fascioliasis resistant to oral pharmacotherapy. A staged study was performed in which the effect of flushing the biliary system with a fasciolicidal solution was evaluated. METHODS: In phase I of the study, four agents (povidone iodine, potassium permanganate, chlorhexidine, and sodium bicarbonate) were tested in vitro for their effect on Fasciola worm viability. In phase II, patients resistant to oral pharmacotherapy for fascioliasis were referred for endoscopic retrograde cholangiopancreatography and flushing of the biliary syst

Surgery in Fasciola hepatica pancreatitis: report of a case and review of literature.

Fasciola hepatica is a trematode rarely causing disease in humans. In symptomatic cases, while various pathologies such as damage to liver parenchyma, acute cholecystitis, and obstructive jaundice can be seen, the development of pancreatitis is rarely mentioned in the literature. The treatment of the disease is medical. In cases where no definite diagnosis can be made or in incidental cases where common bile duct exploration is being done, F. hepatica can be detected accidentally during operation. No consensus has yet been reached on the surgical procedure to be applied in this condition. We r

Global prevalence of 4 neglected foodborne trematodes targeted for control by WHO: A scoping review to highlight the gaps.

BACKGROUND: Foodborne trematodiases (FBTs) are a group of trematodes targeted for control as part of the World Health Organization (WHO) roa … reventive factors for all FBTs. FBTs were primarily diagnosed using faecal parasitological testing. Triclabendazole was the most reported treatment for fascioliasis, while praziquantel was the primary treatment for paragonimiasis, clonorchiasis, and opisthorchiasis. Low sensitivity of diagnostic tests as well as reinfection due to continued high-risk food consump …

Diagnostic imaging in the study of human hepatobiliary fascioliasis.

PURPOSE: Fascioliasis is a rare zoonotic disease caused by the trematode Fasciola hepatica. We present the typical patterns of hepatobiliary fascioliasis observed in ten patients studied with multimodality imaging. MATERIALS AND METHODS: Between 2002 and 2005, ten women with fascioliasis were admitted to the Brigham and Women's Hospital, Harvard Medical School (BWH), with abdominal pain and mild fever. All imaging modalities, including ultrasound (US), computed tomography (CT), magnetic resonance (MR) imaging (n = 2) and endoscopic retrograde cholangiopancreatography (ERCP) (n = 1) were revie

Double Repositioning: Veterinary Antiparasitic to Human Anticancer.

Drug repositioning, the approach of discovering different uses for existing drugs, has gained enormous popularity in recent years in the anticancer drug discovery field due to the increasing demand for anticancer drugs. Additionally, the repurposing of veterinary antiparasitic drugs for the treatment of cancer is gaining traction, as supported by existing literature. A prominent example is the proposal to implement the use of veterinary antiparasitics such as benzimidazole carbamates and halogenated salicylanilides as novel anticancer drugs. These agents have revealed pronounced anti-tumor act

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… Some important BZ drugs include MZ, albendazole (ABZ), fenbendazole (FZ), flubendazole (FLU), triclabendazole, parbendazole, oxibendazole, and ricobendazole. In the last few years, some of these have been successfully investigated for various types of cancers worldwide. 3.1. …