Status:

COMPLETED

What Or When to Eat to Reduce the Risk of Type 2 Diabetes (WOW)

Lead Sponsor:

University of Adelaide

Collaborating Sponsors:

Australian Catholic University

La Trobe University

Conditions:

Time-restricted Eating

Diet Quality

Eligibility:

All Genders

35-70 years

Phase:

NA

Brief Summary

A parallel, single-blinded, multi-centre randomized controlled trial conducted at the South Australian Health and Medical Research Institute (SAHMRI) and the Mary Mackillop Institute for Health Resear...

Detailed Description

In a parallel groups design, a total of 268 individuals will be recruited across both sites. After a 2-week baseline period, and a baseline metabolic visit, participants will be randomized into one of...

Eligibility Criteria

Inclusion

  • Study participants will be aged 35 to 70 years, overweight or obese (BMI: \>25 but \<45 kg/m2), ≥15 on the AUSDRISK assessment tool and have HbA1c \<6.5% at screening

Exclusion

  • Type 1 or type 2 diabetes, or diabetes detected at screening HbA1c ≥6.5% (48 mmol/mol).
  • A personal history/diagnosis (self-reported) of:
  • major psychiatric disorders (schizophrenia, major depressive disorder, bipolar disorder, eating disorders)
  • gastrointestinal disorders/disease (including malabsorption)
  • haematological disorders (i.e. thalassemia, iron-deficiency anaemia)
  • insomnia
  • currently receiving, or have received treatment/diagnosis of cancer in the past 3 years (excluding non-melanoma skin cancer)
  • significant liver or kidney disease
  • previous or planned gastro-intestinal surgery (including bariatric surgery)
  • Congestive heart failure (NYHA stage 2 or above)
  • Previous myocardial infarction or significant cardiac event ≤ 6 months prior to screening
  • Previous cerebrovascular event ≤ 12 months prior to screening
  • and/or any other condition deemed unstable by the study physician.
  • Currently taking the following medications:
  • any medication used, or known to lower blood glucose, or antidiabetic medications, including, but not limited to: SGLT2 inhibitors, metformin, sulfonylureas, glucagon-like peptide-1 (GLP-1) analogues \[i.e. exenatide\], thiazolidinediones or DPP-IV inhibitors \[i.e. 'gliptins'\])
  • Medications affecting weight, appetite or gut motility, including, but not limited to: (domperidone, cisapride, orlistat, phentermine, topiramate).
  • Diuretics (i.e. frusemide, thiazides) or combination blood pressure medications containing a diuretic
  • Beta-blockers
  • Glucocorticoids
  • Anti-epileptic medications
  • Antipsychotic medications
  • Opioid medications unless combined with paracetamol in a single formulation and used occasionally on a PRN basis
  • Additional exclusion criteria include:
  • do not consume a regular breakfast (i.e. eat breakfast on an average of 5 or more days per week), and do not eat for more than 12 hours per day on an average of 5 or more days per week
  • have an extreme or restricted pattern of eating (i.e. following an intermittent fasting diet) or are already engaged in a TRE protocol
  • shift-workers
  • pregnant, planning a pregnancy or currently breastfeeding
  • those who have lost or gained \>5% of body weight in the last 6 months
  • current smokers of cigarettes/marijuana/e-cigarettes/vaporisers
  • anyone unable to comprehend the study protocol or provide informed consent (i.e. due to English language or cognitive difficulties)
  • Participants will not have seen a dietitian in the preceding 3 months.
  • score on K10 ≥30 (Kessler Psychological Distress scale)
  • score on EDEQ ≥2.8 (Eating Disorder Examination Questionnaire)

Key Trial Info

Start Date :

February 17 2021

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

April 19 2024

Estimated Enrollment :

247 Patients enrolled

Trial Details

Trial ID

NCT04762251

Start Date

February 17 2021

End Date

April 19 2024

Last Update

August 2 2024

Active Locations (2)

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Page 1 of 1 (2 locations)

1

South Australian Health and Medical Research Institute

Adelaide, South Australia, Australia

2

Mary Mackillop Institute for Health Research

Melbourne, Victoria, Australia