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| Name | Class |
|---|---|
| Lighterlife Ltd (UK) | UNKNOWN |
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The purpose of this study is to determine whether short-term adherence to a very low calorie diet is effective in improving heart rate variability in obese individuals.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Very low calorie diet | Experimental |
| |
| Standard weight loss diet | Active Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Very low calorie diet | Dietary Supplement |
|
| |
| Measure | Description | Time Frame |
|---|---|---|
| Change from baseline in 24 h SDNN (mean of the standard deviations of the normal-to-normal intervals) at day 7 | SDNN is a time domain parameter of overall heart rate variability | Baseline, day 7 |
| Measure | Description | Time Frame |
|---|---|---|
| Change from baseline in night-time SDNN (mean of the standard deviations of the normal-to-normal intervals) at day 7 | Baseline, day 7 | |
| Change from baseline in daytime SDNN (mean of the standard deviations of the normal-to-normal intervals) at day 7 | Baseline, day 7 |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Wendy L Hall, PhD | King's College London | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Diabetes & Nutritional Sciences Division, King's College London | London | SE1 9NH | United Kingdom |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| Result | F Fitzpatrick, A White, R Allen, A Pinto & W Hall. Short-term adherence to a very low calorie diet increases heart rate variability and reduces 24 hours heart rate in obese subjects: a randomised controlled pilot study. Journal of Human Nutrition and Dietetics. 2016; 29 (Suppl. 1), 45-46, AB47. |
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| ID | Term |
|---|---|
| D009765 | Obesity |
| ID | Term |
|---|---|
| D050177 | Overweight |
| D044343 | Overnutrition |
| D009748 | Nutrition Disorders |
| D009750 | Nutritional and Metabolic Diseases |
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| Standard weight loss diet |
| Other |
|
| Change from baseline in 24 h mean IBI (interbeat interval) at day 7 | Baseline, day 7 |
| Change from baseline in night-time mean IBI (interbeat interval) at day 7 | Baseline, day 7 |
| Change from baseline in daytime mean IBI (interbeat interval) at day 7 | Baseline, day 7 |
| Change from baseline in 24 h SDANN (standard deviations of the average normal-to-normal intervals calculated over periods of 5-minutes) at day 7 | Baseline, day 7 |
| Change from baseline in night-time SDANN (standard deviations of the average normal-to-normal intervals calculated over periods of 5-minutes) at day 7 | Baseline, day 7 |
| Change from baseline in daytime SDANN (standard deviations of the average normal-to-normal intervals calculated over periods of 5-minutes) at day 7 | Baseline, day 7 |
| Change from baseline in 24 h triangular index at day 7 | Baseline, day 7 |
| Change from baseline in night-time triangular index at day 7 | Baseline, day 7 |
| Change from baseline in daytime triangular index at day 7 | Baseline, day 7 |
| Change from baseline in 24 h RMSSD (root mean square of successive differences of normal-to-normal differences) at day 7 | Baseline, day 7 |
| Change from baseline in night-time RMSSD (root mean square of successive differences of normal-to-normal differences) at day 7 | Baseline, day 7 |
| Change from baseline in daytime RMSSD (root mean square of successive differences of normal-to-normal differences) at day 7 | Baseline, day 7 |
| Change from baseline in 24 h pNN50 (% differences between adjacent normal-to-normal intervals that are >50 ms) at day 7 | Baseline, day 7 |
| Change from baseline in night-time pNN50 (% differences between adjacent normal-to-normal intervals that are >50 ms) at day 7 | Baseline, day 7 |
| Change from baseline in daytime pNN50 (% differences between adjacent normal-to-normal intervals that are >50 ms) at day 7 | Baseline, day 7 |
| Change from baseline in 24 h LF (low frequency power) at day 7 | Baseline, day 7 |
| Change from baseline in night-time LF (low frequency power) at day 7 | Baseline, day 7 |
| Change from baseline in daytime LF (low frequency power) at day 7 | Baseline, day 7 |
| Change from baseline in 24 h HF (high frequency power) at day 7 | Baseline, day 7 |
| Change from baseline in night-time HF (high frequency power) at day 7 | Baseline, day 7 |
| Change from baseline in daytime HF (high frequency power) at day 7 | Baseline, day 7 |
| Change from baseline in 24 h LF/HF at day 7 | Baseline, day 7 |
| Change from baseline in night-time LF/HF at day 7 | Baseline, day 7 |
| Change from baseline in daytime LF/HF at day 7 | Baseline, day 7 |
| Change from baseline in 24 h VLF (very low frequency power) at day 7 | Baseline, day 7 |
| Change from baseline in night-time VLF (very low frequency power) at day 7 | Baseline, day 7 |
| Change from baseline in daytime VLF (very low frequency power) at day 7 | Baseline, day 7 |
| D001835 |
| Body Weight |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |