Evaluating the efficacy and safety of nitazoxanide in comparison to standard treatment in patients with grade II-III hepatic encephalopathy (HE). Also, Evaluating the effect of administering nitazoxanide on the improvement of patient's quality of life.
Nitazoxanide (NTZ) is a thiazolide anti-infective with activity against anaerobic bacteria, protozoa and viruses. A pilot prospective study at the 2008 American Association for the Study of Liver Diseases meeting showing clinical improvement in HE among cirrhotic patients who received nitazoxanide and lactulose. Based on the excellent safety profile of NTZ, the present pilot study is conducted hopefully to prove the efficacy of nitazoxanide in treating patients experiencing HE grade II-III. Study design:The study is Prospective, Randomized, Controlled, Open-Label, Pilot study. Method: The study will include a total of 36 patients with grade II-III Hepatic Encephalopathy, and an informed consent will be obtained from every patient before being included. All the patients will receive oral lactulose, plus either nitazoxanide, metronidazole or rifaximine. A- All patients will be subjected to the following at baseline: * Patient's full history * Liver disease staging using Model for End stage Liver Disease (MELD) score * Measurement of serum electrolytes (Na+, K+, Ca2+) B- All patients will be subjected to the following at baseline and at the end of treatment: * Measuring Blood ammonia level * Measuring liver function tests (AST, Total bilirubin, international normalized ratio (INR), Serum albumin, prothrombin time (PT)), serum creatinine and complete blood count (CBC) * Assessing severity of Hepatic Encephalopathy using Clinical Hepatic Encephalopathy Staging Scale (CHESS) C- Monitoring tolerability up to 30 days after the last dose D- Assessment of quality of life using Chronic Liver Disease Questionnaire (CLDQ)
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
36
500 mg nitazoxanide tablets twice daily
Oral lactulose (65%)
250 mg metronidazole tablets every 8 hours
Faculty of medicine, Ain Shams University
Cairo, Egypt
RECRUITINGEvaluating the efficacy of nitazoxanide in improving mental status (calculating CHESS score)
evaluating the efficacy by measuring serum ammonia and calculating CHESS score at baseline and at end of treatment
Time frame: 7 days
Evaluating the safety of nitazoxanide (estimation of treatment- related undesirable effects)
Evaluating the safety of nitazoxanide by estimation of treatment- related undesirable effects
Time frame: 37 days
Effect of nitazoxanide on patient's quality of life (CLDQ score)
Evaluating the effect on quality of life by calculating CLDQ score at baseline and at end of treatment
Time frame: 7 days
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Two 200 mg rifaximine tablets every 8 hours