The purpose of this project is to systematically collect clinical and nutritional outcomes information on patients treated for Shigella infection so that physicians and clinical laboratories can better define which Shigella infections are "resistant" to antibiotics and which are "susceptible", focusing on azithromycin a last-line drug to treat drug resistant Shigella
2000 suspected Shigella cases will be recruited from International Centre for Diarrhoeal Disease Research hospital, Dhaka who are presenting with diarrhea at the hospital. A stool sample will be collected from the participants after consenting by the study staff. Stool microscopy will be performed to see the white blood cells(WBC) and red blood cells (RBC). If WBC \> 10 HPF (4) with any RBC present, culture will be performed from this stool to identify Shigella. Such patients with invasive diarrhea are treated with azithromycin per local standard of care. Enrolled participant will be invited for further follow up when culture from the stool is Shigella positive. Minimal inhibitory concentration (MIC) testing of Shigella isolates and Molecular testing of Shigella isolates will be performed from Shigella cultures. This is an observational study. This study does not provide any treatment to the study participants; they will receive treatment as per International Centre for Diarrhoeal Disease Research Dhaka hospital guidelines. We will then examine the effect of the azithromycin minimal inhibitory concentration on clinical outcome.
Study Type
OBSERVATIONAL
Enrollment
2,000
International Centre for Diarrhoeal Disease Research
Dhaka, Bangladesh
Clinical outcome: resolution of diarrhea
resolution of diarrhea as measured by the participant through a memory aid
Time frame: Day 5
Microbiologic outcome: Shigella negative cultures
Proportion shigella culture negative isolates
Time frame: Day 5
Proportion of patients that have complications
required hospitalization or have extraintestinal complications
Time frame: day 5
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