Body Clock Type and Blood Sugar Control in People With Diabetes
Studies how body clock type relates to blood sugar control in adults with diabetes.
Plain-language title generated from the registry record
Registry title: Chronotype of Patients With Diabetes and Effect on Glycaemic Control
Key facts
- Where
- Leicester, United KingdomSee the site
AI summary: who the study is looking for
From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.
The trial is looking for adults with type 1 or long-standing type 2 diabetes to study how body clock type (chronotype) relates to blood sugar control.
- Age
- 18 to 75 years
- Sex
- Men and women can both join.
- Disease stage
- Type 1 diabetes, or type 2 diabetes diagnosed more than 6 months ago.
- Earlier treatment
- On any glucose-lowering treatment, or lifestyle changes for type 2 diabetes.
Main reasons for not taking part
- BMI above 45 kg/m²
- Sleep disorder other than obstructive sleep apnoea
- Weekly cannabis use
- Terminal illness
- Weekly use of wakefulness drugs, sedatives, melatonin or clonazepam
Read by machine on 9 November 2026.
Could this be for you?
Answer for yourself. This is not a decision: only the study team can say whether you can take part.
- Are you between 18 and 75 years old?
Source: NCT02973412, who can take part
Where in United Kingdom
- Leicester Diabetes Centre, Leicester General HospitalLeicester, United KingdomTaking people
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Trial details
- Who runs it
- University of Leicester
- Trial code
- NCT02973412
- Record updated
- 15 February 2024
- Original description
The aim of this study is to explore the associations between chronotype and glycaemic control, cardiometabolic health and other lifestyle factors.Read full original descriptionShow less
Chronotype of Patients With Diabetes and Effect on Glycaemic Control: The CODEC Study
The aim of this study is to explore the associations between chronotype and glycaemic control, cardiometabolic health and other lifestyle factors.
Inclusion: Participant is willing and able to give informed consent for participation in the study; T1DM or established T2DM (>6months since diagnosis); Male or Female; Aged 18-75 years inclusive; BMI less than or equal to 45kg/m² inclusive; No known sleep disorders except Obstructive Sleep Apnoea (OSA); On any glucose-lowering therapy (T1DM or T2DM) or lifestyle modification for management of T2DM; Good command of the English language.
Exclusion: Have a terminal illness; A known sleep disorder that is not OSA; Regular use of the following medicines i.e. Weekly use: (Wakefulness promoting agents Modafinil, Amphetamine derivatives, Methylphenidate; Sedatives including benzodiazepines, Z-drugs (zopiclone, zolpidem \& zaleplon); Melatonin, including Circadin and melatonin analogues; Clonazepam and other drugs for nocturnal movement disorders); Anyone <18 years of age and >75 years of age; Participant is unwilling or unable to give informed consent; Anyone without a good command of the English language; BMI greater than 45 kg/m²; A regular cannabis user i.e. weekly use.