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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Treatment of lethal Pichinde virus infections in weanling LVG/Lak hamsters with ribavirin, ribamidine, selenazofurin, and ampligen.

A lethal Pichinde (An 4763 strain) virus infection was produced in 3-week-old random-bred Golden Syrian (LVG/Lak strain) hamsters inoculated intraperitoneally with virus, causing mortality in 6-9 days. High virus titers (> or = 10(7.5) cell culture infectious doses/g) were present in visceral organs, serum, brain and salivary glands near the time of death. Intraperitoneal treatments with ribavirin (10 and 32 mg/kg) and ribamidine (32, 100, and 320 mg/kg) for 10 days starting 24 h after virus challenge significantly decreased mortality and reduced virus titers by 100- to > 10,000-fold in liver, spleen, brain, and serum. Serum alanine aminotransferase (an indicator of liver damage) was also reduced in animals treated with the two compounds (ribavirin at 32 mg/kg; ribamidine at 100 and 320 mg/kg). Intraperitoneal selenazofurin (1-100 mg/kg per day for 10 days) and ampligen (0.5 and 5 mg/kg every other day for 5 injections) treatments provided neither protection from the lethal infection nor increased mean survival times. In fact, selenazofurin was overtly toxic, causing death of uninfected hamsters at 32 and 100 mg/kg. The random-bred LVG/Lak hamster appears to be a viable and cost-effective model for evaluating new therapies for arenavirus infections.[1]

References

  1. Treatment of lethal Pichinde virus infections in weanling LVG/Lak hamsters with ribavirin, ribamidine, selenazofurin, and ampligen. Smee, D.F., Gilbert, J., Leonhardt, J.A., Barnett, B.B., Huggins, J.H., Sidwell, R.W. Antiviral Res. (1993) [Pubmed]
 
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