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ACTIVE NOT RECRUITING

NCT05744232

ARIADNE: A Study of Weight Loss for Diabetes Treatment and Wellbeing

Sponsor: University of Oxford

View on ClinicalTrials.gov

Summary

The NHS has started a trial-run of a weight loss programme replacing food with 800-calorie shakes and soups for 3 months, offered to people with newly diagnosed type 2 diabetes (T2D) to lose weight and put their diabetes into remission. Some healthcare professionals and charities are sceptical about the programme's effect on people's mental health. They fear it may trigger people to have a negative relationship with food (disordered eating). Some studies show indirectly that these programmes are somewhat safe; however it is not known for sure if it could affect people's relationship with food for the worse. Investigators will invite 56 people with T2D and disordered eating (picked up by questionnaires they will fill in) to participate in a trial. Of these participants, 28 will get TDR and the rest will get their standard care. Investigators will then measure how their scores of disordered eating change at 1, 3, 4, 6, 12 and 24 months. Investigators also plan to analyse the recorded sessions to better understand participants' experiences using TDR and their thoughts about eating and body image. This study will help shed light on how safe this type of diet is for people with disordered eating. It may lead to screening for eating disorders if TDR becomes standard care. If concerns are unfounded, it can reassure people with type 2 diabetes and healthcare professionals.

Official title: The Impact of Low-energy totAl Diet Replacement With Behavioural Support for remIssion of Type 2 DIAbetes on disordEred eatiNg: the ARIADNE Randomised Non-inferiority Controlled Trial

Key Details

Gender

All

Age Range

18 Years - 65 Years

Study Type

INTERVENTIONAL

Enrollment

Start Date

2023-03-01

Completion Date

2025-09-01

Last Updated

2025-07-08

Healthy Volunteers

Yes

Conditions

Type2diabetes Disordered Eating Obesity Overweight and Obesity Diet Habit

Interventions

BEHAVIORAL

Low calorie total diet replacement

Summary 1. Weeks 1-12: TDR phase 2. Weeks 13-14: Food reintroduction phase I 3. Weeks 15-16: Food reintroduction phase II 4. Weeks 17 till 20: Food reintroduction phase III 5. Weeks 21 till 24: Maintenance phase

OTHER

Usual care

Participants allocated to the control group will be offered and continue benefiting from standard care. Participants will not be stopped from pursuing any behavioural weight management programme but if they do, this will be recorded.

Inclusion Criteria: * Willing and able to give informed consent, can communicate in English * Age between 18 and 65 years inclusive * Live in England * BMI ≥27 kg/m2 or higher (adjusted to ≥25 kg/m2 for people of Black, Asian and minority ethnic origin) * Diagnosed with T2D within 6 years prior to the day of screening * Global EDE-Q scores ≥2.67 * To have an HbA1c taken in the last 12 months * Latest HbA1c ≥43 mmol/mol (6.1%) and ≤87 mmol/mol (10%) if on diabetes medication OR latest hbA1c ≥ 48 mmol/mol (6.5%) and ≤87 mmol/mol (10%), if not on diabetes medication. * If diagnosed with type 2 diabetes more than 1 year since day of screening, the participant must have attended their GP surgery for monitoring/ diabetes review when last offered * Commit to continue annual reviews with their GP, even if T2D remission is achieved Exclusion Criteria: The participant must not enter the study if ANY of the following apply: * Current or previous clinical diagnosis of an eating disorder * Combination of EDE-Q ≥4 AND a CIA score ≥16 at screening * Currently participating in a structured weight loss programme or self-reporting that they have lost \>10% of their body weight in the last 3 months * Insulin use * Known kidney disease of stage 3/4/5 or eGFR \<60 mls/min/1.73 m2 within the last 12 months * Active substance use disorder * Active cancer other than skin cancer * Known proliferative retinopathy that has not been treated * Porphyria * Undergone or is awaiting bariatric surgery * Myocardial infarction or stroke within previous 6 months * Severe heart failure defined as equivalent to the New York Heart Association (NYHA) grade 3 or 4 * Active liver disease (not including non-alcoholic fatty liver disease) * Pregnant, breastfeeding, or planning to become pregnant during the course of the study * Soy or milk or fish allergy, lactose intolerance, or following a vegan diet * People currently participating in another study or clinical trial of a CTIMP/non-CTIMP

Locations (1)

Nuffield Department of Primary Care Health Sciences

Oxford, Oxford, United Kingdom