Intensive weight loss intervention
BehavioralIntensive weight loss intervention, incl. total meal replacements, behavioural support, and weight loss medication.
NCT Number: NCT06321432
In this trial, the aim is to assess the clinical benefits and harms, as well as cost-effectiveness of an intensive weight loss (IWL) intervention that includes total dietary replacements, behavioural support and weight-loss medication compared with existing weight management programmes within primary care for people with obesity class I or uncomplicated obesity class II or higher.
This study is active but is not currently recruiting participants.
Notify Me18 year–60 year
All sexes
Interventional
Not applicable
The Department of Medicine and the Gastro Unit, Copenhagen University Hospital - Amager and Hvidovre, Copenhagen, Denmark
In the LightCARE trial, an intensive weight loss (IWL) intervention will compared with usual care. The IWL lasts two years, and includes total dietary replacements, behavioural support, and weight loss medication in three phases:
Usual care will differ between the two countries (Denmark and the United Kingdom).
In Denmark, participants will receive a pamphlet on current obesity management guidelines from the Danish National Board of Health, and will be advised to contact their GP for potential referral to local municipality-based obesity management programmes. Furthermore, a notification will be sent to the participant's GP, informing that the participant has been enrolled in the trial and is randomised to usual care. The availability and structure of current obesity programmes varies between municipalities.
In the United Kingdom, participants will be offered to discuss weight management programmes available in their area with their GP practice; the programmes available referral routes vary slightly from place to place. Tier 2 weight management services are mostly commissioned by local authority, and therefore differ slightly across the 333 local authorities in England. These local community-based weight management services provide diet, nutrition, behavioural advice.
Healthy volunteers accepted: No
Only the study team can determine whether someone qualifies for participation.
Please note that participants need to be invited in order to take part in the trial.
Inclusion criteria
Exclusion criteria
Intensive weight loss intervention, incl. total meal replacements, behavioural support, and weight loss medication.
Usual care
Time frame: 104 weeks after randomisation
Weight (kg)
Time frame: 104 weeks after randomisation
Proportion of participants with weight loss ≥20%
Time frame: 104 weeks after randomisation
Quality of life, SF36-mental component score (scale from 0-100, higher scores indicate better mental health)
Time frame: 104 weeks after randomisation
4-metre gait speed (m/s)
Time frame: 104 weeks after randomisation
Metabolic syndrome severity Z-score (scale from -4 to 4, mean is 0, higher scores indicate a worse outcome)
Time frame: 104 weeks after randomisation
Proportion of participants that experienced at least one serious adverse event (according to ICH-GCP guidelines)
Time frame: 104 weeks after randomisation
Proportion of participants with incident eating disorders during the intervention period
Time frame: 104 weeks after randomisation
Time frame: 104 weeks after randomisation
Waist circumference (cm)
Time frame: 104 weeks after randomisation
Time frame: 104 weeks after randomisation
Proportion of participants with weight loss ≥10%
Time frame: 104 weeks after randomisation
Objectively measured moderate to vigorous physical activity (MVPA) using SENS Motion accelerometers (hours/day)
Time frame: 104 weeks after randomisation
Short Form 36 (SF-36) physical component score (scale from 0-100, higher scores indicate better physical health)
Time frame: 104 weeks after randomisation
Number of sit to stands completed 30 Second Sit to Stand test
Time frame: 104 weeks after randomisation
EQ-5D-5L (the 5-level EQ-5D version), index score (score between -1 and 1, higher scores indicate better health)
Time frame: 104 weeks after randomisation
Sleep duration using SENS Motion accelerometers (hours/day)
Time frame: 104 weeks after randomisation
Time frame: 104 weeks after randomisation
Systolic and diastolic blood pressure (mmHg)
Time frame: 104 weeks after randomisation
Pulse rate (beats per minute)
Time frame: 104 weeks after randomisation
Fasting glucose concentration (mmol/l)
Time frame: 104 weeks after randomisation
Haemoglobin A1c (mmol/mol)
Time frame: 104 weeks after randomisation
Fasting insulin concentration (pmol/L)
Time frame: 104 weeks after randomisation
HOMA2-IR (calculated from glucose and C-peptide concentration) (ratio)
Time frame: 104 weeks after randomisation
Fasting lipid profile (HDL, LDL and triglycerides) (mmol/L)
Time frame: 104 weeks after randomisation
Estimated Glomerular Filtration Rate (eGFR), creatinine (µmol/L), calculated from creatinine, sex and years
Time frame: 104 weeks after randomisation
High-sensitivity C-reactive protein (hsCRP), mg/L
Time frame: 104 weeks after randomisation
Fib-4 (ALT/AST/platelets) (ratio)
Time frame: 104 weeks after randomisation
Proteinuria, measured as urine albumin/creatinine (ratio)
Time frame: 104 weeks after randomisation
Thyroid-stimulating hormone (IU/L)
Time frame: 104 weeks after randomisation
Major Depression Inventory (MDI) (scale from 0-50, higher scores indicate more symptoms of depression)
Time frame: 104 weeks after randomisation
Weight Bias Internalization Scale (WBIS-M) score (scale from 1-7, higher scores indicate higher degree of internalised weight bias)
Time frame: 104 weeks after randomisation
Eating Disorder Examination Questionnaire (EDE-Q) score (scale from 0 to 6, higher scores indicate higher degree of eating disorder)
Time frame: 104 weeks after randomisation
Work productivity and impairment (WPAI) score points (scale from 0-100, higher scores indicate more limitations in ability to work and lower productivity)
Time frame: 104 weeks after randomisation
Self-reported number of days sick leave during follow-up
Time frame: 104 weeks after randomisation
Time frame: 104 weeks after randomisation
Quality of life (measured using the 5-level EQ-5D version (EQ-5D-5L), VAS score (scale from 0-100, higher scores indicate better health)
Time frame: 104 weeks after randomisation
24-month costs, DKK
Time frame: 104 weeks after randomisation
Incremental cost per quality-adjusted-life-year (QALY) gained, DKK
Time frame: 104 weeks after randomisation
Predicted lifetime QALYs gained
Time frame: 104 weeks after randomisation
Predicted lifetime healthcare costs, DKK
Time frame: 104 weeks after randomisation
Long-term incremental cost effectiveness ratios
Time frame: 5, 10 and 20 years after randomisation
Time frame: 5, 10 and 20 years after randomisation
Time frame: 5, 10 and 20 years after randomisation
Time frame: 5, 10 and 20 years after randomisation
Time frame: 5, 10 and 20 years after randomisation
Employment status each participant
Time frame: 5, 10 and 20 years after randomisation
Salary for each participant
Time frame: 5, 10 and 20 years after randomisation
Number of absence days
Time frame: 5, 10 and 20 years after randomisation
Proportion of participants with any sick leave
Time frame: 5, 10 and 20 years after randomisation
Proportion of participants with long-term sick leave (more than 4 weeks continuous sickness absence)
Carsten Dirksen
Other
Intensive Weight Loss Intervention Versus Usual Care for Adults With Obesity: the LightCARE Randomised Trial. Lighthouse Consortium on Obesity Management (LightCOM) Trial no 2
Acronym: LightCARE
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View the official ClinicalTrials.gov record (opens in a new tab)This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.
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