Diastolic Dysfunction During Conservative Lifestyle Treatment
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT02826122 |
Recruitment Status :
Completed
First Posted : July 7, 2016
Last Update Posted : August 27, 2018
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Condition or disease | Intervention/treatment | Phase |
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Obesity | Device: Pai APP Device: FitBit APP | Not Applicable |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 57 participants |
Allocation: | Non-Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Single (Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | Prevalence of Diastolic Dysfunction and Effects of Conservative Lifestyle Treatment in Patients With Morbid Obesity |
Actual Study Start Date : | August 2016 |
Actual Primary Completion Date : | August 2018 |
Actual Study Completion Date : | August 2018 |
Arm | Intervention/treatment |
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Active Comparator: FitBit APP
FitBit Zip APP registers and give feed-back on number of steps per day, distance and calories burned.
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Device: FitBit APP
Prescription: Target daily 10.000 steps
Other Name: FitBit Zip |
Experimental: Pai APP
Mio Pai APP registers duration and intensity of the Activity and give feed back as activity Points.
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Device: Pai APP
Prescription: Target 100 PAI Points per week
Other Names:
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- diastolic dysfunction [ Time Frame: 18 months ]echocardiac examination at baseline assessed by GE Healthcare Vivid E9, Horten, Norway
- diastolic function [ Time Frame: 4 months ]echocardiac examination assessed by GE Healthcare Vivid E9, Horten, Norway
- diastolic function [ Time Frame: 12 months ]echocardiac examination assessed by GE Healthcare Vivid E9, Horten, Norway
- Cardiorespiratory fitness [ Time Frame: 4 months ]Peak oxygen uptake assessed by Jaeger oxycon pro; Erich Jaeger GmbH, Hoechberg, Germany
- Cardiorespiratory fitness [ Time Frame: 12 months ]Peak oxygen uptake assessed by Jaeger oxycon pro; Erich Jaeger GmbH, Hoechberg, Germany
- Cardiorespiratory fitness [ Time Frame: 18 months ]Peak oxygen uptake assessed by Jaeger oxycon pro; Erich Jaeger GmbH, Hoechberg, Germany
- Body composition [ Time Frame: 4 months ]Body composition assessed by bioelectrical impedance (instrument InBody 770, produced by BIOSPACE, Seoul, Korea)
- Body composition [ Time Frame: 12 months ]Body composition assessed by bioelectrical impedance (instrument InBody 770, produced by BIOSPACE, Seoul, Korea)
- Body composition [ Time Frame: 18 months ]Body composition assessed by bioelectrical impedance (instrument InBody 770, produced by BIOSPACE, Seoul, Korea)
- Body Mass Index [ Time Frame: 4 months ]Weight derived by squared height
- Body Mass Index [ Time Frame: 12 months ]Weight derived by squared height
- Body Mass Index [ Time Frame: 18 months ]Weight derived by squared height
- Waist line [ Time Frame: 4 months ]tape measure in centimeters
- Waist line [ Time Frame: 12 months ]tape measure in centimeters
- Waist line [ Time Frame: 18 months ]tape measure in centimeters
- Physical Activity Questionnaire [ Time Frame: 4 months ]HUNT 1 physical activity questionnaire
- Physical Activity Questionnaire [ Time Frame: 12 months ]HUNT 1 physical activity questionnaire
- Physical Activity Questionnaire [ Time Frame: 18 months ]HUNT 1 physical activity questionnaire
- Quality of life [ Time Frame: 4 months ]Impact of Weight on Quality of Life Short Form (IWQOL-Lite); Kolotkin
- Quality of life [ Time Frame: 12 months ]Impact of Weight on Quality of Life Short Form (IWQOL-Lite); Kolotkin
- Quality of life [ Time Frame: 18 months ]Impact of Weight on Quality of Life Short Form (IWQOL-Lite); Kolotkin
- Symptoms of anxiety and depression [ Time Frame: 4 months ]Hospital Anxiety and Depression Scale; Zigmond & Snaith
- Symptoms of anxiety and depression [ Time Frame: 12 months ]Hospital Anxiety and Depression Scale; Zigmond & Snaith
- Symptoms of anxiety and depression [ Time Frame: 18 months ]Hospital Anxiety and Depression Scale; Zigmond & Snaith
- Glucose concentration in blood [ Time Frame: 4 months ]
- Glucose concentration in blood [ Time Frame: 12 months ]
- Glucose concentration in blood [ Time Frame: 18 months ]
- Glycosylated haemoglobin (HbA1c) concentration in blood [ Time Frame: 4 months ]
- Glycosylated haemoglobin (HbA1c) concentration in blood [ Time Frame: 12 months ]
- Glycosylated haemoglobin (HbA1c) concentration in blood [ Time Frame: 18 months ]
- LDL concentration in blood [ Time Frame: 4 months ]Low Density Cholesterol
- LDL concentration in blood [ Time Frame: 12 months ]Low Density Cholesterol
- LDL concentration in blood [ Time Frame: 18 months ]Low Density Cholesterol
- HDL concentration in blood [ Time Frame: 4 months ]High Density Cholesterol
- HDL concentration in blood [ Time Frame: 12 months ]High Density Cholesterol
- HDL concentration in blood [ Time Frame: 18 months ]High Density Cholesterol
- Concentration of total cholesterol in blood [ Time Frame: 4 months ]
- Concentration of total cholesterol in blood [ Time Frame: 12 months ]
- Concentration of total cholesterol in blood [ Time Frame: 18 months ]
- Concentration of triglycerides in blood serum [ Time Frame: 4 months ]
- Concentration of triglycerides in blood serum [ Time Frame: 12 months ]
- Concentration of triglycerides in blood serum [ Time Frame: 18 months ]
- Concentration of HS-CRP in blood serum [ Time Frame: 4 months ]High Sensitive C-reactive protein
- Concentration of HS-CRP in blood serum [ Time Frame: 12 months ]High Sensitive C-reactive protein
- Concentration of HS-CRP in blood serum [ Time Frame: 18 months ]High Sensitive C-reactive protein
- C-peptide concentration in blood [ Time Frame: 4 months ]
- C-peptide concentration in blood [ Time Frame: 12 months ]
- C-peptide concentration in blood [ Time Frame: 18 months ]
- Leukocyte concentration in blood [ Time Frame: 4 months ]
- Leukocyte concentration in blood [ Time Frame: 12 months ]
- Leukocyte concentration in blood [ Time Frame: 18 months ]
- Potassium (K) concentration in blood [ Time Frame: 4 months ]
- Potassium (K) concentration in blood [ Time Frame: 12 months ]
- Potassium (K) concentration in blood [ Time Frame: 18 months ]
- Sodium (Na) concentration in blood [ Time Frame: 4 months ]
- Sodium (Na) concentration in blood [ Time Frame: 12 months ]
- Sodium (Na) concentration in blood [ Time Frame: 18 months ]
- Creatinine concentration in blood [ Time Frame: 4 months ]
- Creatinine concentration in blood [ Time Frame: 12 months ]
- Creatinine concentration in blood [ Time Frame: 18 months ]
- Apo-A concentration in blood serum [ Time Frame: 4 months ]Apolipoprotein A
- Apo-A concentration in blood serum [ Time Frame: 12 months ]Apolipoprotein A
- Apo-A concentration in blood serum [ Time Frame: 18 months ]Apolipoprotein A
- Apo-B concentration in blood serum [ Time Frame: 4 months ]Apolipoprotein B
- Apo-B concentration in blood serum [ Time Frame: 12 months ]Apolipoprotein B
- Apo-B concentration in blood serum [ Time Frame: 18 months ]Apolipoprotein B
- NT-ProBNP concentration in plasma [ Time Frame: 4 months ]N-Terminal Brain Natriuretic Peptide
- NT-ProBNP concentration in plasma [ Time Frame: 12 months ]N-Terminal Brain Natriuretic Peptide
- NT-ProBNP concentration in plasma [ Time Frame: 18 months ]N-Terminal Brain Natriuretic Peptide
- Lp(a) concentration in blood serum [ Time Frame: 4 months ]Lipoprotein(a)
- Lp(a) concentration in blood serum [ Time Frame: 12 months ]Lipoprotein(a)
- Lp(a) concentration in blood serum [ Time Frame: 18 months ]Lipoprotein(a)
- Feasibility [ Time Frame: 4 months ]measured as attrition rate, Activity sensor errors
- Feasibility [ Time Frame: 12 months ]measured as attrition, Activity sensor errors,
- Feasibility [ Time Frame: 18 months ]measured as attrition, Activity sensor errors,
- Compliance [ Time Frame: 4 months ]actual use of Activity sensors; obtaining 80 % or more of prescribed physical Activity in home periods
- Compliance [ Time Frame: 12 months ]actual use of Activity sensors; obtaining 80 % or more of prescribed physical Activity in home periods
- Compliance [ Time Frame: 18 months ]actual use of Activity sensors; obtaining 80 % or more of prescribed physical Activity in home periods
- Meal frequency, compliance With a healthier lifestyle [ Time Frame: 4 months ]HUNT 3 questionnaire
- Meal frequency, compliance With a healthier lifestyle [ Time Frame: 12 months ]HUNT 3 questionnaire
- Meal frequency, compliance With a healthier lifestyle [ Time Frame: 18 months ]HUNT 3 questionnaire

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years to 55 Years (Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- BMI > 40 kg/m2 (or BMI > 35 kg/m2 with comorbidity)
- Stable weight last Three months (≤ 2 kg variation)
- Norwegian speaking
- Smartphone
Exclusion Criteria:
- Other weight reduction treatment, including medication affecting appetite
- Known chronic cardiac condition
- Previous bariatric surgery
- Alcohol or other substitute abuse
- Psychiatric disorder needing treatment, including eating disorders
- Pregnancy or planned pregnancy during project period

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02826122
Norway | |
LHL-Klinikkene | |
Røros, Norway |
Principal Investigator: | Line Oldervoll, PhD | LHL klinikkene / NTNU |
Responsible Party: | Norwegian University of Science and Technology |
ClinicalTrials.gov Identifier: | NCT02826122 |
Other Study ID Numbers: |
2016/833 |
First Posted: | July 7, 2016 Key Record Dates |
Last Update Posted: | August 27, 2018 |
Last Verified: | August 2018 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Undecided |
Obesity Overnutrition Nutrition Disorders Overweight Body Weight |