Ten study participants will consume a low-calorie total diet replacement for 12 weeks, have a 6-week food reintroduction phase (week 13-18) and continue with the weight loss maintenance phase until the end of the study (week 19-26). The weight loss goal is 15 kg (or 15% if body weight is bellow 80 kg). The primary study outcome iw weight loss after 6 months and the co-primary outcome is diabetes remission after 6 months (HbA1c \< 48 mmol/mol). During the weight maintenance phase, if weight regain occurs or if HbA1c increases a rescue plan of total diet replacement will be recommended. The participants will be supplied with the total diet replacement Modifast free of charge. Participants will be supplied with a scale, a finger-stick blood glucose meter and a blood pressure monitor. Participants will be advised to measure body weight, blood glucose and blood pressure every morning. The results are registered in the mobile phone application Telia Health Monitoring and are wirelessly transmitted to the project's physician, nurse and dietician. At the beginning of the food reintroduction phase the participants will receive an activity tracer and will be advised to increase their physical activity. Primary and secondary outcome measures will be estimated at the beginning and after 3 and 6 months. At the end of the study, all participants will take part in an individual semi-structured interview to investigate the participants' experience of diabetes remission and of the eHealth contact with the healthcare provider. After participants have completed the study, they will be followed at least once per year by obtaining data on blood sugar, HbA1c, body weight, blood pressure, medication usage and diabetes complications from the healthcare computer system.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
10
Participants will replace usual foods with the commercially available total diet replacement Modifast (Impolin AB), which is delivered to them during the study period without any cost. Participants will be supplied with a scale, a finger-stick blood glucose meter and a blood pressure monitor and will be advised to measure body weight, fasting blood glucose and blood pressure every morning. The results are registered in the mobile phone application Telia Health Monitoring (Telia Sweden AB) and are wirelessly transmitted to the study team.
Department of Public Health and Clinical Medicine, Medicine
Umeå, Sweden
Weight loss
Weight loss goal of 15 kg, measured at the research facilities
Time frame: 6 months
HbA1c
The goal is diabetes remission with HbA1c \< 48 mmol/mol without any diabetes medication. (Secondary goal \< 42 mmol/mol.)
Time frame: 6 months
Semi-structured interviews
Time frame: 6 months
Fasting blood glucose
Partial diabetes remission (\< 7.0 mol/l), complete diabetes remission (\<6.1 mol/l)
Time frame: Daily measurements up to 6 months
Fasting blood glucose
Partial diabetes remission (\<7.0 mol/l), complete diabetes remission (\<6.1 mol/l) without diabetes medication.
Time frame: 6 months
P-glucose 120 minutes after the oral glucose tolerance test
Measured at the research facilities
Time frame: 6 months
Insulin secretion
Measured with oral glucose tolerance test
Time frame: At baseline, 3 months and 6 months
Insulin sensitivity
Measured with oral glucose tolerance test
Time frame: At baseline, 3 months and 6 months
Metabolic flexibility
Measured with indirect calorimetry during oral glucose tolerance test
Time frame: At baseline, 3 months and 6 months
Blood pressure (systolic/diastolic)
Measured at the research facilities
Time frame: At baseline, 3 months and 6 months
Blood pressure (systolic/diastolic)
Measured at home
Time frame: Daily measurements up to 6 months
Blood pressure medication
Change of blood pressure medication during the study
Time frame: 6 months
Body weight
Measured at home
Time frame: Daily measurements up to 6 months
HbA1c
Measured at home
Time frame: Monthly measurement up to 6 months
Diabetes medication
Change of diabetes medication during study duration
Time frame: 6 months
Plasma lipid profile
Measured at the research facilities
Time frame: At baseline, 3 months and 6 months
Waist circumference
Measured in cm at the research facilities
Time frame: Baseline, 3 months and 6 months
EQ-5D-5L
Questionnaire
Time frame: At baseline, 3 months and 6 months
Food frequency form
Questionnaire
Time frame: At baseline and 6 months
Daily steps
Measured with activity tracker
Time frame: During the second three months of the study
HbA1c follow up
Collected from patient journals after study completion
Time frame: Yearly up to 20 years
Body weight follow up
Collected from patient journals after study completion
Time frame: Yearly up to 20 years
Blood pressure follow up (systolic/diastolic)
Collected from patient journals after study completion
Time frame: Yearly up to 20 years
Antidiabetic medication usage follow up
Collected from patient journals after study completion
Time frame: Yearly up to 20 years
Blood pressure medication usage follow up
Collected from patient journals after study completion
Time frame: Yearly up to 20 years
Diabetes complications follow up
Collected from patient journals and registries after study completion
Time frame: Yearly up to 20 years
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