Background: The appropriate drug for the treatment of schistosomiasis is praziquantel. However, low cure rate and existence of drug resistance both in vivo and in vitro were reported in different endemic areas. Hence, the aim of this study was to evaluate the effectiveness of praziquantel for Schistosoma mansoni (S. mansoni) treatment. Methods: A cross-sectional study was conducted in Sanja General Primary School, North Gondar Zone, Amhara region, Northwest of Ethiopia, from March to April, 2017. A total of 245 participants were selected using systematic random sampling. A stool specimen was collected from each participant and examined for S. mansoni ova load count using Kato-Katz technique. Two hundred four infected participants were treated with a single oral dose of praziquantel 40 mg/kg. Four weeks later post-treatment, stool specimens were collected from 176 study participants. The samples were collected using similar procedures like the pre-treatment phase to see egg reduction and cure status. Data were entered and analyzed using SPSS version 20.0 Pearson chi-square (χ 2) was used to determine the association of effectiveness of the drug with the average egg count, age group, and sex. P value ≤ 0.05 at 95% CI was considered statistically significant. Results: Pre-treatment prevalence of S. mansoni infection was 83.3% (204/245) with geometric mean egg count of 357.8. In those not cured post-treatment, the prevalence and egg per gram in geometric mean egg count were 13.1% and 77.6 respectively. After 4 weeks of administration of praziquantel, the cure rate was 86.9% with egg reduction rate of 78.3%. Effectiveness of the drug was not statistically associated with sex, age group, and pre-treatment intensity of infection. Conclusion: S. mansoni prevalence was high. Praziquantel is an effective drug for the treatment of S. mansoni. This high prevalence of S. mansoni requires mass drug administration of praziquantel.
Background Antiretroviral treatment (ART) is aimed for complete suppression of viral replication but it fails for a variety of reasons. The aim of this study was to determine the prevalence and associated factors of treatment failure among people on first line ART in Amhara region, North east Ethiopia.Methods A cross sectional study was conducted from March, 2018 to July, 2018. Questionnaire survey using a pre-structured questionnaire was taken focusing on demographic data and possible risk factors of antiretroviral treatment failure. Clinical history including baseline characteristics was extracted by reviewing medical records using data abstraction sheet and data was analyzed using STATA version 14.Results A total of 640 clients of all age from 16 health facilities were enrolled in the study. The overall antiretroviral treatment failure was 16.45% from which clinical, immunologic and virologic failure were 0.47%, 13.59% and 3.13% respectively. The viral suppression was 91.09%, but more than half, 29 (50.88%) study participants with high first viral load (>1000copies/ml) were defaulted and not tested for the 2 nd viral load testing. Binary and multivariable logistic regression analysis showed significance association of treatment failure with age at treatment initiation (OR, 1.029), duration on ART (OR, 0.87) and adherence (AOR, 4.22). High proportion of treatment failure was also found in females (62.75%) and in those below primary education (76.47%).Conclusions In conclusion increased viral suppression is observed but the rate of default during 3 month of enhanced adherence counseling is high. The overall magnitude of treatment failure in Amhara region is 16.45%. Fair/poor adherence, older age at treatment initiation and shorter duration on ART are significantly independent factors of treatment failure. Therefore improving client follow up to adherence to treatment should be strengthened.
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