UMF-078: A modified flubendazole with potent macrofilaricidal activity against Onchocerca ochengi in African cattle
2008

Effectiveness of Modified Flubendazole Against Cattle Parasite

Sample size: 15 publication 10 minutes Evidence: moderate

Author Information

Author(s): Barend M. de C. Bronsvoort, Benjamin L. Makepeace, Alfons Renz, Tanya Vincent, Lawrence Fleckenstein, David Ekale, Alexander J. Trees

Primary Institution: Liverpool School of Tropical Medicine

Hypothesis

Can the modified flubendazole UMF-078 effectively kill adult Onchocerca ochengi in cattle?

Conclusion

The modified flubendazole UMF-078 showed significant macrofilaricidal activity against Onchocerca ochengi in cattle, but further evaluation has been suspended due to concerns about potential toxicity.

Supporting Evidence

  • UMF-078 at 150 mg/kg significantly reduced nodule size and worm viability.
  • All adult worms were killed by 24 weeks post-treatment in the high-dose group.
  • Lower doses showed some effects but were less effective than the higher dose.

Takeaway

Researchers tested a new drug on cows to see if it could kill a parasite that causes problems in cattle. The drug worked well, but they stopped testing it because it might be harmful.

Methodology

Fifteen cows were treated with different doses of UMF-078, and various parameters like nodule size and worm viability were measured over time.

Potential Biases

Potential bias in the selection of treatment groups and the small sample size may affect the generalizability of the results.

Limitations

Concerns about neuro- and genotoxicity were raised, leading to the suspension of further evaluation of UMF-078.

Participant Demographics

Fifteen 4–6 year old Gudali cows (Bos indicus) from the Adamawa Province of Cameroon.

Statistical Information

P-Value

<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1756-3305-1-18

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