['non-alcoholic fatty liver disease (nafld)', 'weight loss', 'non-alcoholic steatohepatitis (nash)']
['liraglutide']

        Inclusion Criteria:

          -  Body mass index > 27.5 kg/m2

          -  Waist circumference (WC) > 90 cm (male) or > 80 cm (female)

          -  Diagnosis of NASH based on Liver Function Test Results ,Ultrasound Hepato-Biliary
             System (HBS) findings and / or Liver Biopsy

          -  HbA1c < 8%* *Subjects in the bariatric surgery arm will not need to fulfil this
             criterion.

        Exclusion Criteria:

          -  Currently using insulin-sensitising agents (metformin, pioglitazone), weight loss
             medication (orlistat, phentermine). Patients taking any of these drugs will require a
             three month washout period before enrolment.

          -  Pregnancy

          -  Significant cardiovascular or respiratory disease

          -  Renal impairment with eGFR < 60 ml/min

          -  Hepatitis B or C carrier, liver disease other than NAFLD

          -  History of pancreatitis

          -  Personal or family history of multiple endocrine neoplasia type 2 or thyroid carcinoma

          -  Untreated hypothyroidism or hyperthyroidism

          -  Current psychiatric illness

          -  Cardiac pacemaker, metallic prosthetic heart valves and other contraindications to MRI
             scan

          -  Current smoker

          -  Alcohol intake ≥ 14 units/week
      