Correction to: Non-prescribed sale of antibiotics for acute childhood diarrhea and upper respiratory tract infection in community pharmacies: a 2 phase mixed-methods study.

[This corrects the article DOI: 10.1186/s13756-018-0389-y.].

Non-prescribed sale of antibiotics for acute childhood diarrhea and upper respiratory tract infection in community pharmacies: a 2 phase mixed-methods study.

Background: Although prohibited by law and legal regulatory frameworks, non-prescribed sale of antibiotics in community medicine retail outlets (CMROs) remains a serious problem in Ethiopia. The aim of this study was to document the extent of and motivations behind non-prescribed sale of antibiotics among CMROs in Gondar town, Ethiopia. Methods: A 2 phase mixed-methods study (a simulated patient visit followed by an in-depth interview) was conducted among CMROs in Gondar town, Ethiopia. Two clinical case scenarios (acute childhood diarrhea and upper respiratory tract infection) were presented and the practice of non-prescribed sale were measured and results were reported as percentages. Pharmacy staff (pharmacists and pharmacy assistants) were interviewed to examine factors/motivations behind dispensing antibiotics without a valid prescription. Results: Out of 100 simulated visits (50 each scenarios) presented to drug retail outlets, 86 cases (86%) were provided with one or more medications. Of these, 18 (20.9%) asked about past medical and medication history and only 7 (8.1%) enquired about the patient's history of drug allergy. The most frequently dispensed medication for acute childhood diarrhoea simulation were oral rehydration fluid (ORS) with zinc (n = 16) and Metronidazole (n = 15). Among the dispensed antibiotics for upper respiratory infection simulation, the most common was Amoxicillin (n = 23) followed by Amoxicillin-clavulanic acid capsule (n = 19) and Azithromycin (n = 15). Perceived financial benefit, high expectation and/or demand of customers and competition among pharmacies were cited as the main drivers behind selling antibiotics without a prescription. Conclusions: A stringent law and policy enforcement regarding the sale of antibiotics without a valid prescription should be in place. This will ultimately help to shift the current pharmacy practices from commercial and business-based interests/practices to the provision of primary healthcare services to the community.

Arginase activity - a marker of disease status in patients with visceral leishmaniasis in ethiopia.

The underlying mechanisms resulting in the profound immune suppression characteristic of human visceral leishmaniasis (VL) are not fully understood. Here, we tested the hypothesis that arginase, an enzyme associated with immunosuppression, is higher in patients with VL and contributes to impaired T cell responses. We recruited patients with VL before and after treatment and healthy controls and measured the arginase metabolism in the blood of these individuals. Our results show that arginase activity is significantly higher in the blood of patients with active VL as compared to controls. These high levels of arginase decline considerably once the patients are successfully treated. We identified the phenotype of arginase-expressing cells among PBMCs as neutrophils and show that their frequency was increased in PBMCs of patients before treatment; this coincides with reduced levels of L-arginine in the plasma and decreased expression levels of CD3ζ in T cells.

Arginase activity in the blood of patients with visceral leishmaniasis and HIV infection.

BACKGROUND: Visceral leishmaniasis is a parasitic disease associated with high mortality. The most important foci of visceral leishmaniasis in Ethiopia are in the Northwest and are predominantly associated with high rates of HIV co-infection. Co-infection of visceral leishmaniasis patients with HIV results in higher mortality, treatment failure and relapse. We have previously shown that arginase, an enzyme associated with immunosuppression, was increased in patients with visceral leishmaniasis and in HIV seropositive patients; further our results showed that high arginase activity is a marker of disease severity. Here, we tested the hypothesis that increased arginase activities associated with visceral leishmaniasis and HIV infections synergize in patients co-infected with both pathogens. METHODOLOGY/PRINCIPAL FINDINGS: We recruited a cohort of patients with visceral leishmaniasis and a cohort of patients with visceral leishmaniasis and HIV infection from Gondar, Northwest Ethiopia, and recorded and compared their clinical data. Further, we measured the levels of arginase activity in the blood of these patients and identified the phenotype of arginase-expressing cells. Our results show that CD4(+) T cell counts were significantly lower and the parasite load in the spleen was significantly higher in co-infected patients. Moreover, our results demonstrate that arginase activity was significantly higher in peripheral blood mononuclear cells and plasma of co-infected patients. Finally, we identified the cells-expressing arginase in the PBMCs as low-density granulocytes. CONCLUSION: Our results suggest that increased arginase might contribute to the poor disease outcome characteristic of patients with visceral leishmaniasis and HIV co-infection.