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What do I have to do?

Fasting

You will be asked to come to study visits fasting (no food and drinks for 8 hours overnight, water is allowed).

Semaglutide

If you are assigned to the semaglutide treatment group, the study doctor or nurse will show you how to inject the medication into your subcutaneous tissue (the layer of tissue below your skin). You will start at a dose of 0.25 mg once a week, in order to assess tolerance to treatment. The dose of semaglutide will be increased gradually over the next 8 weeks.

Food diaries, dietary and exercise advice

Irrespective of your treatment group, we will give you a dietary and physical activity programme, which will help you in to lose weight. At two stages during the study, we will ask you to keep a record of your meals using a 3-day food diary.

Activity (‘Actigraphy’) devices

We will give you an activity device to wear as a bracelet for 7 day periods. The device is quite simple to use, and your study doctor or nurse will talk you through how it works. We will collect it from you again at visit 5.

Blood tests

At various points over the course of the study, you will have blood tests to check:
full blood count
kidney and liver function
blood sugar levels
blood fat levels
immune system
level of HIV in the immune system cells
genes responsible for your fat and sugar metabolism.

Urine and stool samples

We will ask you to give stool samples so we can study the bacteria in your gut. We will ask you to give urine samples so we can study for markers for inflammation, kidney and bone function.

Pregnancy tests

We will ask female patients to take pregnancy tests before and during the study, as pregnant women cannot be enrolled in the study. This will be either a urine or blood test.

DXA scan

This is a scan to assess your bone health and body composition (how much fat and muscle you have). The DXA scan will be done in the Education and Research centre in the Mater Hospital.

Fibroscan

This is a special kind of ultrasound scan which allows us to measure the fat in your liver and liver stiffness.

Protocol Number Semaglutide_2019 

Participant Information 1.0 dated 6th May 2021