Impact of Long-Term Treatment with Ivermectin on Soil-Transmitted Helminth Infections
Author Information
Author(s): Moncayo Ana Lucia, Vaca Maritza, Amorim Leila, Rodriguez Alejandro, Erazo Silvia, Oviedo Gisela, Quinzo Isabel, Padilla Margarita, Chico Martha, Lovato Raquel, Gomez Eduardo, Barreto Mauricio L., Cooper Philip J.
Primary Institution: Instituto de Microbiologia, Universidad San Francisco de Quito
Hypothesis
What is the impact of 15 to 17 years of treatment with ivermectin on the prevalence and intensity of soil-transmitted helminth infections in children?
Conclusion
Long-term treatment with ivermectin significantly reduced infections with Trichuris trichiura but had little impact on Ascaris lumbricoides and hookworm infections.
Supporting Evidence
- Children receiving ivermectin had a significantly lower prevalence of T. trichiura infections.
- Long-term ivermectin treatment showed no significant effect on A. lumbricoides infections.
- Pre-school children in treated communities had lower rates of STH infections compared to those in non-treated communities.
Takeaway
Giving kids medicine called ivermectin for a long time helps them get rid of certain worms in their tummies, but it doesn't help with all types of worms.
Methodology
A cross-sectional study was conducted comparing treated and non-treated communities, collecting stool samples from children to assess STH infections.
Potential Biases
Differences in socioeconomic factors between treated and non-treated communities may introduce bias.
Limitations
The study was cross-sectional and lacked pre-treatment data on STH infections.
Participant Demographics
Children aged 0-16 years from rural Afro-Ecuadorian communities.
Statistical Information
P-Value
p<0.001
Confidence Interval
95% CI 0.03–0.14
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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