How a low-carbohydrate diet affects blood sugar and health in people living with type 2 diabetes: results from a real-life study

The lifestyle club feasibility study

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

ISRCTN

Registry ID

ISRCTN49540819

Enrollment

100

Registered

2025-09-15

Start date

2025-02-01

Completion date

Unknown

Last updated

2025-09-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Type 2 diabetes Nutritional, Metabolic, Endocrine

Interventions

An 8-week online dietary and lifestyle program, to facilitate a low-carbohydrate diet (LCD) The intervention was a health coaching service delivered by The Lifestyle Club (TLC), part of the Public H

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Over 18 years age 2. Diagnosis of type 2 diabetes as defined by an HbA1c over 47mmol/mol

Exclusion criteria

Exclusion criteria: 1. Pregnant or planning pregnancy in the ensuing 12 months 2. Active treatment for cancer or terminal illness 3. Kidney disease or renal stones 4. Proliferative retinopathy 5. Recovering from acute surgery 6. Gout 7. Gallbladder disease 8. Pancreatic disease

Design outcomes

Primary

Measure	Time frame
1. Serum cholesterol measured using standard laboratory procedures at an accredited NHS laboratory (Berkshire and Surrey Pathology Service, at The Royal Surrey Hospital) at baseline, 3 months and 6 months 2. Weight measured using a Tanita weighing scale at baseline, 3 months and 6 months 3. Waist circumference measured using a tape measure at baseline, 3 months and 6 months 4. Body fat and lean body mass measured using bioimpedance at baseline, 3 months and 6 months 5. Food frequency measured using a questionnaire evaluated through interviews at baseline and 6 months	—

Measure

Time frame

1. Serum cholesterol measured using standard laboratory procedures at an accredited NHS laboratory (Berkshire and Surrey Pathology Service, at The Royal Surrey Hospital) at baseline, 3 months and 6 months 2. Weight measured using a Tanita weighing scale at baseline, 3 months and 6 months 3. Waist circumference measured using a tape measure at baseline, 3 months and 6 months 4. Body fat and lean body mass measured using bioimpedance at baseline, 3 months and 6 months 5. Food frequency measured using a questionnaire evaluated through interviews at baseline and 6 months

—

Secondary

Measure	Time frame
1. Glucose-lowering medication usage for type 2 diabetes measured using recall at baseline and 6-months 2. Blood HbA1c measured using standard laboratory procedures at an accredited NHS laboratory (Berkshire and Surrey Pathology Service, at The Royal Surrey Hospital) at baseline, 3 months and 6 months	—

Countries

England, United Kingdom

Contacts

Public ContactMartin Whyte

m.b.whyte@surrey.ac.uk+44 (0)1483 688669

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026