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OverweightLI-PAD-EXTENDENCT07605169

Long-term Health and Economic Effects of an Individualized Lifestyle Intervention (LI-PAD-Extended)

A study testing Individualized physical activity and diet in people with Overweight and Obesity, run by Vastra Gotaland Region at 1 site in Sweden.

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record
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Trial summary

The goal of this clinical trial is to learn if an individualized lifestyle intervention works to improve weight, diet, physical activity, cardiovascular health, health-related quality of life, and cost-effectiveness in overweight and obese adults aged 45-65 years. Read more about this study

Who is it for?
Ages 45 to 65 years
Conditions the study is for
Overweight, Obesity, Prediabetic State
What is being tested?
Individualized physical activity and diet
Could I receive a placebo?
No, everyone receives an active treatment
How many people
103 participants
Where
1 siteSweden
Study dates
11 Aug 2025to 31 Dec 2027
Phase
Interventional
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 45 to 65 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Adults aged 45-65 years at baseline of the original LI-PAD study
  • Body mass index (BMI) ≥28 and ≤34
  • Completed the original LI-PAD study
  • Able and willing to attend follow-up assessments and provide necessary data
  • Able and willing to provide informed consent

Who cannot join

  • Known coronary artery disease (clinical symptoms or earlier event)
  • Inability to understand the language used in the study
  • Inability to complete follow-up assessments at 18 months
  • Severe illness or medical condition that, in the investigator's opinion, precludes participation in follow-up assessments

Trial locations and contacts

1 site in 1 country.

Sweden1 site
  • Centre for Lifestyle Intervention

    Gothenburg, Västra Götaland County, 416 85

Other trials in Sweden

About this study

Official title: Long-term Follow-up of Individualized Lifestyle Intervention Focused on Physical Activity and Diet: Effects on Weight Loss, Dietary Habits, Cardiovascular Health, Motivation, Health-related Quality of Life, and Health Economics (LI-PAD-Extended)

The goal of this clinical trial is to learn if an individualized lifestyle intervention works to improve weight, diet, physical activity, cardiovascular health, health-related quality of life, and cost-effectiveness in overweight and obese adults aged 45-65 years.

The main questions it aims to answer are:

Read more

Does the intervention lead to sustained weight loss after 18 months?

Does the intervention improve cardiovascular risk factors, metabolic markers, and health-related quality of life compared to general written advice?

Is the intervention cost-effective?

Researchers will compare the individualized lifestyle intervention to a control group that receives general written advice on physical activity and diet to see if the intervention provides greater long-term health and economic benefits.

Participants will:

Attend counseling sessions with a health promoter Take part in supervised aerobic and resistance training with a physiotherapist Use swimming facilities and participate in the Lifestyle School Access a digital health coach and the online Lifestyle Tool Complete measurements of body weight, diet, physical activity, and cardiovascular health markers (waist-to-hip ratio, blood pressure, blood lipids, fasting glucose, HbA1c, CRP, and liver enzymes) Complete assessments of resting energy expenditure, aerobic fitness, muscle strength, motivation, and health-related quality of life Provide blood samples at baseline, 6 months, and 18 months for dietary biomarker analysis Contribute data for health economic evaluation to assess cost-effectiveness

Read the detailed description

Background Overweight and obese adults, especially those with type 2 diabetes, have increased risk of cardiovascular disease (CVD). Lifestyle interventions with physical activity (PA) and diet improve CVD risk factors, but long-term behavior change is challenging. Individualized approaches are recommended, yet rarely implemented for both PA and diet in clinical practice.

Objectives

The study evaluates whether an individualized precision health intervention:

Produces greater weight loss at 6 months (short-term) and 18 months (long-term)

Improves cardiovascular risk factors, metabolic markers, diet, PA behaviors, fitness, and psychosocial outcomes

Is feasible and cost-effective compared to standard lifestyle advice

Study Design

Randomized controlled trial with two arms:

Intervention group: Individualized precision health program

Control group: Standard lifestyle advice

Total participants: 120 (60 per group), aged 45-65 years, BMI 28-34

Exclusion: known coronary artery disease, inability to participate in lifestyle interventions, or language barriers

Intervention (LI-PAD Precision Health):

Step 1: Individual Adaptation

Adjust recommendations for medical conditions, comorbidities, medications, psychosocial factors, preferences, readiness to change, and barriers/facilitators

Step 2: Individualized Advice

PA prescription based on accelerometry, VO₂max, and muscle strength

Dietary guidance based on food intake diaries and measured resting energy expenditure (REE)

Step 3: Support for Goal Achievement

Education and skill training

Behavioral support: health promoters, group sessions, face-to-face and online coaching, apps for diet and PA, nudging

Control Group:

Standard lifestyle advice: healthy diet, ≥300 min/week moderate-intensity aerobic PA, 2 sessions/week strength training

Outcome Measures:

Primary Outcome:

Change in body weight from baseline to 6 months and 18 months

Secondary Outcomes:

BMI, waist and hip circumference

Blood pressure

Blood markers: cardiometabolic (lipids, HbA1c, cholesterol, HDL, LDL; ASAT, ALAT, ALP, GGT, hs-CRP) and dietary intake biomarkers

Cardiorespiratory fitness and muscle strength

Behavioral measures: PA (accelerometry, SGPALS), diet (MiniMeal-Q, REE)

Psychosocial outcomes: health-related quality of life (EQ5D-3L, RAND-36), motivation, self-efficacy

Cost-effectiveness analysis based on BMI and secondary outcomes

Additional Outcomes (Intervention Group):

Feasibility: attendance, compliance, participant evaluation

Barriers and facilitators to behavioral change

GPS tracking of PA and dietary behavior

Assessments:

Baseline, 6-month, and 18-month follow-ups

Anthropometry, REE, blood pressure, blood markers, fitness tests, accelerometry, questionnaires, and dietary logs

Statistical Analysis:

Multilevel mixed models for repeated measures

Linear and logistic regression for continuous and categorical variables

Structural equation modeling and partial least squares regression to explore relationships between intervention components and outcomes

Collaborators:

Sahlgrenska University Hospital/Östra: health promoters, physiotherapists, biomedical analysts

University of Gothenburg: Food and Nutrition, Sport Science, metabolomics, health economics

National and international collaborators with expertise in PA, diet, and cardiovascular health

Summary:

LI-PAD-Extended is an 18-month follow-up evaluating individualized precision health interventions. The study combines objective PA and dietary assessments with behavioral support and cost-effectiveness evaluation. This long-term follow-up allows assessment of sustained effects of precision lifestyle interventions on weight, cardiovascular risk, fitness, psychosocial outcomes, and economic efficiency.

Being tested
Individualized physical activity and diet
Keywords
Lifestyle intervention, Physical activity, Diet, Precision health, Overweight, Obesity, Weight loss, Cardiometabolic risk, Health-related quality of life, Behavioral support, Cost-effectiveness
Medical subject headings
Overweight, Obesity, Prediabetic State, Motor Activity, Weight Loss

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Individualized physical activity and dietBehavioural

    Precision health

Study groups in NCT07605169
Study groupRoleWhat they receive
Individualized Lifestyle ProgramExperimentalThe intervention group will receive (offered) an optimal prescription of physical activity and diet based on medical (comorbidities, risk profile, medications, symptoms) and psycho-social (preferences for physical activities and diet, barriers-facilitators, social support, readiness to change, accelerometry and predicted VO2-max data (Ekblom Bak ergometer test), resting energy expenditure and knowledge and skills (lifestyle education school for achieving knowledge and skills in handling change in diet and physical activity in daily life) and support (health promotors, behavioral change app, food diary app, face-to-face, phone/online coaching, physical activity (aerobic training, strength training) in group and nudging.
Receives: Behavioral: Individualized physical activity and diet
Standard of careNo interventionThe control group will receive (be offered) usual care defined as written lifestyle advices based on the general recommendations for diet (Nordic Nutrition Recommendations, 2012. Integrating nutrition and physical activity. Copenhagen: Nordic Council of Ministers, 2014) and PA (World Health Organization. World Health Organization guidelines on physical activity and sedentary behavior, 2020), including a healthy and varied diet, aiming at 300 mins/week of medium intensity aerobic PA and strength training two times per week.

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Body Weight Change

    Change from baseline in body weight measured using calibrated scales and standardized protocols.

    Measured: Baseline, 6 months, 18 months

Secondary outcomes (35)
  1. Change in Body Mass Index (BMI)

    Change from baseline in body mass index (BMI) measured using standard protocols.

    Measured: Baseline, 6 months, 18 months.

  2. Change in Systolic Blood Pressure

    Change from baseline in systolic blood pressure measured using standardized sphygmomanometer protocols.

    Measured: Baseline, 6 months, 18 months

  3. Change in Waist Circumference

    Change from baseline in waist circumference (cm) measured using standard protocols.

    Measured: Baseline, 6 months, 18 months

  4. Change in Hip Circumference

    Change from baseline in hip circumference measured using standard protocols.

    Measured: Baseline, 6 months, 18 months

  5. Change in Total Cholesterol

    Change from baseline in total cholesterol.

    Measured: Baseline, 6 months, 18 months

  6. Change in HDL Cholesterol

    Change from baseline in high-density lipoprotein (HDL) cholesterol.

    Measured: Baseline, 6 months, 18 months

  7. Change in LDL Cholesterol

    Change from baseline in low-density lipoprotein (LDL) cholesterol.

    Measured: Baseline, 6 months, 18 months

  8. Change in Triglycerides

    Change from baseline in triglycerides

    Measured: Baseline, 6 months, 18 months

  9. Change in HbA1c

    Change from baseline in glycated hemoglobin (HbA1c)

    Measured: Baseline, 6 months, 18 months

  10. Change in Aspartate Aminotransferase (ASAT)

    Change from baseline in aspartate aminotransferase (ASAT)

    Measured: Baseline, 6 months, 18 months

  11. Change in Alanine Aminotransferase (ALAT)

    Change from baseline in alanine aminotransferase (ALAT).

    Measured: Baseline, 6 months, 18 months

  12. Change in High-Sensitivity C-Reactive Protein (hs-CRP)

    Change from baseline in high-sensitivity C-reactive protein (hs-CRP).

    Measured: Baseline, 6 months, 18 months

  13. Change in Dietary Biomarkers (Metabolomics)

    Change from baseline in dietary biomarkers assessed using metabolomics. Biomarkers reflect intake of selected food groups (e.g., whole grains, dairy products, legumes, and sugars) and are quantified using validated analytical methods and expressed as relative concentrations or standardized scores.

    Measured: Baseline, 6 months, 18 months

  14. Change in Cardiorespiratory Fitness (VO₂max)

    Change from baseline in cardiorespiratory fitness (VO₂max) (mL/kg/min) assessed using the Ekblom-Bak cycle test.

    Measured: Baseline, 6 months, 18 months

  15. Change in Muscle Strength (Handgrip Strength)

    Change from baseline in muscle strength (kg) assessed by handgrip strength using a Jamar hand dynamometer.

    Measured: Baseline, 6 months, 18 months

  16. Change in Mean Daily Physical Activity Counts as Assessed by Accelerometry

    Change from baseline in physical activity assessed using accelerometry, summarized as mean daily activity counts at 6 and 18 months.

    Measured: Baseline, 6 months, 18 months

  17. Change in Self-Reported Physical Activity (Saltin-Grimby Physical Activity Level Scale, SGPALS)

    Change from baseline in physical activity assessed using the Saltin-Grimby Physical Activity Level Scale (SGPALS).

    Measured: Baseline, 6 months, 18 months

  18. Change in Resting Energy Expenditure (REE)

    Change from baseline in resting energy expenditure (REE) (kcal/day).

    Measured: Baseline, 6 months, 18 months

  19. Change in Dietary Intake (MiniMeal-Q questionnaire)

    Change from baseline in dietary intake assessed using the MiniMeal-Q questionnaire.

    Measured: Baseline, 6 months, 18 months

  20. Change in Health-Related Quality of Life (EQ-5D-3L)

    Change from baseline in health-related quality of life assessed using the EQ-5D-3L index.

    Measured: Baseline, 6 months, 18 months

  21. Motivation for Lifestyle Change

    Motivation assessed at 18 months using a standardized questionnaire. The assessment reflects the preceding 12 months (i.e., the period between the 6-month and 18-month follow-up).

    Measured: 18 months

  22. Perceived Self-Efficacy

    Self-efficacy assessed at 18 months using a standardized questionnaire. The assessment reflects the preceding 12 months (i.e., the period between the 6-month and 18-month follow-up).

    Measured: 18 months

  23. Cost-Effectiveness (Incremental Cost-Effectiveness Ratio, ICER)

    Incremental cost-effectiveness ratio (ICER) comparing individualized lifestyle intervention to standard advice, expressed as cost per quality-adjusted life year (QALY) gained.

    Measured: 18 months

  24. Motivation for Maintaining Lifestyle Change

    Motivation for maintaining lifestyle change, assessed at 18 months using a single-item question rated on a scale from 0 (not at all important) to 10 (extremely important). Higher scores indicate greater motivation. The assessment reflects the preceding 12 months (i.e., the period between the 6-month and 18-month follow-up).

    Measured: 18 months

  25. Perceived Autonomous Motivation for Weight Management

    Autonomous motivation for weight management, assessed at 18 months using a study-specific multi-item questionnaire. Items reflecting intrinsic motivation are rated on a 5-point Likert scale (1 = not at all true to 5 = completely true) and aggregated into a mean score. Higher scores indicate greater autonomous motivation. The assessment reflects the preceding 12 months (i.e., the period between the 6-month and 18-month follow-up).

    Measured: 18 months

  26. Perceived Controlled Motivation for Weight Management

    Controlled motivation for weight management, assessed at 18 months using a study-specific multi-item questionnaire. Items reflecting external and introjected regulation are rated on a 5-point Likert scale (1 = not at all true to 5 = completely true) and aggregated into a mean score. Higher scores indicate greater controlled motivation. The assessment reflects the preceding 12 months (i.e., the period between the 6-month and 18-month follow-up).

    Measured: 18 months

  27. Perceived Importance of Individualization in Lifestyle Intervention

    Participant-reported perceived importance of individualized components of the lifestyle intervention for maintaining weight stability or weight loss, assessed at 18 months using a study-specific single-item question rated on a 5-point Likert scale (1 = not at all to 5 = completely). Higher scores indicate greater perceived importance. The assessment reflects the preceding 12 months (i.e., the period between the 6-month and 18-month follow-up).

    Measured: 18 months

  28. Perceived Appropriateness of Study Duration

    Participant-reported perception of study duration in relation to achieving sustainable lifestyle change, assessed at 18 months using a single-item categorical question with response options: "too short," "somewhat short," "appropriate," "somewhat long," and "too long." The assessment reflects the preceding 12 months (i.e., the period between the 6-month and 18-month follow-up).

    Measured: 18 months

  29. Perceived Importance of Lifestyle Intervention Components

    Participant-reported perceived importance of different components of the lifestyle intervention (e.g., counseling sessions, mobile application, gym access, supervised exercise, and educational sessions) for maintaining weight stability or weight loss. Each component is rated on a 5-point Likert scale (1 = not at all to 5 = completely). Items are aggregated into a mean score based on available responses. Higher scores indicate greater perceived importance of the intervention components. Participants who did not engage in a specific component are excluded from that item in the score calculation.

    Measured: 18 months

  30. Perceived Psychological Capabilities for Lifestyle Change

    Psychological capabilities for lifestyle change, assessed at 18 months using a study-specific multi-item questionnaire. Items related to self-efficacy, stress management, behavioral awareness, and ability to initiate and maintain behavior change are rated on a 5-point Likert scale (1 = not at all to 5 = completely) and aggregated into a mean score. Higher scores indicate greater perceived capability for lifestyle change. The assessment reflects the preceding 12 months (i.e., the period between the 6-month and 18-month follow-up).

    Measured: 18 months

  31. Importance of Behavioral Strategies for Weight Management

    Participant-reported importance of behavioral strategies for weight management, assessed at 18 months using a study-specific multi-item questionnaire. Items related to dietary awareness, meal planning, portion control, weight monitoring, and self-monitoring behaviors are rated on a 5-point Likert scale (1 = not at all important to 5 = very important) and aggregated into a mean score. Higher scores indicate greater perceived importance of behavioral strategies. The assessment reflects the preceding 12 months (i.e., the period between the 6-month and 18-month follow-up).

    Measured: 18 months

  32. Perceived Positive Social Support for Weight Management

    Perceived positive social support for weight management, assessed at 18 months using a study-specific multi-item questionnaire. Items related to emotional and practical support from close contacts and external support services are rated on a 5-point Likert scale (1 = not at all to 5 = completely) and aggregated into a mean score. Higher scores indicate greater perceived positive social support. The assessment reflects the preceding 12 months (i.e., the period between the 6-month and 18-month follow-up).

    Measured: 18 months

  33. Perceived Negative Social Influence on Weight Management

    Perceived negative social influence on weight management, assessed at 18 months using a study-specific multi-item questionnaire. Items related to negative comments and social norms are rated on a 5-point Likert scale (1 = not at all to 5 = completely) and aggregated into a mean score. Higher scores indicate greater negative social influence. The assessment reflects the preceding 12 months (i.e., the period between the 6-month and 18-month follow-up).

    Measured: 18 months

  34. Perceived Environmental Support for Healthy Lifestyle

    Perceived environmental support for maintaining a healthy lifestyle, assessed at 18 months using a study-specific multi-item questionnaire. Items related to home environment, workplace environment, and commuting environment in relation to physical activity and healthy eating are rated on a 5-point Likert scale (1 = not at all to 5 = completely) and aggregated into a mean score. Higher scores indicate greater perceived environmental support for healthy lifestyle behaviors. The assessment reflects the preceding 12 months (i.e., the period between the 6-month and 18-month follow-up).

    Measured: 18 months

  35. Perceived Financial Support for Healthy Lifestyle

    Perceived financial support for maintaining a healthy lifestyle, assessed at 18 months using a study-specific multi-item questionnaire. Items related to financial ability to engage in physical activity and maintain a healthy diet are rated on a 5-point Likert scale (1 = not at all to 5 = completely) and aggregated into a mean score. Higher scores indicate greater perceived financial support for healthy lifestyle behaviors. The assessment reflects the preceding 12 months (i.e., the period between the 6-month and 18-month follow-up).

    Measured: 18 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted22 May 2026
  2. Study start11 Aug 2025
  3. Primary completion25 May 2026
  4. Study completion31 Dec 2027 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Model description
Participants are randomly assigned to either the individualized lifestyle intervention group or the control group receiving standard lifestyle advice. Both groups are followed simultaneously over 18 months to compare outcomes on weight, cardiometabolic risk factors, physical activity, diet, fitness, quality of life, and cost-effectiveness.
Masking
None (open label)
Enrolment
103 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT07605169
Sponsor's protocol ID
LI-PAD EXTENDED
Other IDs
285373
Acronym
LI-PAD-EXTENDE
Status last verified
Aug 2026
First submitted
16 Feb 2026
Last updated
28 Aug 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No: Individual participant data will not be shared publicly. Data from LI-PAD-Extended will be used solely for analysis by the study team.

Questions about this trial

What is this clinical trial studying?

A study testing Individualized physical activity and diet in people with Overweight and Obesity, run by Vastra Gotaland Region at 1 site in Sweden.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: under way, not looking for participants, as of the sponsor's last update on 28 Aug 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Sweden. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Body Weight Change (time frame: Baseline, 6 months, 18 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 28 Aug 2026.

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