Intermittent Low Energy Diet in CKD: MIX UP Feasibility Study (MIX-UP)
Model of Intermittent Very Low Energy Diet and eXercise for Lowering BMI in Patients With CKD (MIX UP): Feasibility Study
This study proposes to investigate the acceptability and efficacy of intermittent VLED (5:2 diet) plus exercise, compared with the investigator's established Weight Management Programme (WMP), in obese patients with CKD, using feasibility study methodology.
Patients will be invited to participate in the parallel arm, single blinded, randomised controlled feasibility study, and randomly allocated to 1 of 2 treatments for 6 months. The experimental arm involves an intermittent modified fasting regimen consisting of VLED (600 kcal/day) on 2 consecutive days, and 5 days each week on a modified diet to maintain an overall energy deficit of 600 kcal/day across the week (5:2 diet). The control arm will be the standard renal WMP with a continuous energy restricted diet aimed at reducing daily energy intake by 600 kcal/day.
The feasibility outcomes are: recruitment rate >50%; intervention retention rate at 6 months >60%; dietary intervention compliance; and weight loss. Secondary outcomes include safety, body composition, proteinuria, lipids, blood pressure, and eating desire. Measurements will be made at baseline, midpoint, and twice at endpoint.
調査の概要
研究の種類
入学 (実際)
段階
- 適用できない
連絡先と場所
研究場所
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London、イギリス、SE5 9RS
- King's College Hospital
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参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
受講資格のある性別
説明
Inclusion Criteria:
- aged 18-75 years
- KDIGO defined CKD (all categories)
- BMI ≥30kg/m2
- able to provide written informed consent in English
Exclusion Criteria:
- pregnant or breastfeeding women
- conservatively managed CKD stage 5
- palliative or active treatment for cancer
- unstable chronic liver disease
- type 1 diabetes and type 2 diabetes controlled with anti-hyperglycaemic medication
- previous bariatric surgery
- unable to provide written informed consent
- significant psychiatric disorder or uncontrolled depression
- participated in a weight management drug trial in the previous 3 months
- uncontrolled epilepsy
- alcohol or substance abuse
研究計画
研究はどのように設計されていますか?
デザインの詳細
- 主な目的:処理
- 割り当て:ランダム化
- 介入モデル:並列代入
- マスキング:独身
武器と介入
参加者グループ / アーム |
介入・治療 |
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実験的:Intervention
The intervention arm will involve standard care plus an intermittent modified fasting regimen consisting of a very low energy diet (600 kcal/day) on 2 consecutive days of the week, and 5 days each week on an energy restricted diet to maintain a similar overall energy deficit of 600 kcal/day across the week (5:2 diet).
All dietary intake on modified fasting days will be from LighterLife foodpacks, (4 x 150 kcal portions/day presented as milkshakes, cereal bars, soups and modified meals such as spaghetti bolognese, or macaroni cheese) providing ~600 kcal/day and 100% of the RNI for vitamins and minerals.
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very low energy diet (600 kcal/day) on 2 consecutive days of the week, and 5 days each week on an energy restricted diet to maintain a similar overall energy deficit of 600 kcal/day across the week (5:2 diet)
Dietary intervention includes a standard continuous energy restricted diet aimed at reducing daily energy intake by 600 kcal/day relative to their estimated total energy expenditure.
In addition to the dietary intervention, the programme also includes personal exercise plans, optional pharmacotherapy (orlistat at standard dose), and development of personalised dietary and exercise goals using behavioural therapy techniques and motivational interviewing.
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アクティブコンパレータ:Standard Care
Renal Weight management Programme - Patients will attend individual appointments with the specialist dietitian and physiotherapist once a month, for 6 months.
Dietary intervention includes a standard continuous energy restricted diet aimed at reducing daily energy intake by 600 kcal/day relative to their estimated total energy expenditure (9).
In addition to the dietary intervention, the programme also includes personal exercise plans, optional pharmacotherapy (orlistat at standard dose), and development of personalised dietary and exercise goals using behavioural therapy techniques and motivational interviewing.
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Dietary intervention includes a standard continuous energy restricted diet aimed at reducing daily energy intake by 600 kcal/day relative to their estimated total energy expenditure.
In addition to the dietary intervention, the programme also includes personal exercise plans, optional pharmacotherapy (orlistat at standard dose), and development of personalised dietary and exercise goals using behavioural therapy techniques and motivational interviewing.
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この研究は何を測定していますか?
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
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Retention rate of at least 60% in the intervention group
時間枠:6 months
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Patients attending at least 80% of monthly clinic visits, including the baseline and final study visits, and remaining compliant with the 2 consecutive days VLED throughout the 6 month intervention will be considered "completers" and count as being retained in the intervention group at 6 months.
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6 months
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Number of Adverse Events following intermittent very low energy diet
時間枠:6 months
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record of all adverse events including but not limited to nausea, constipation and/or diarrhoea, dehydration, hypoglycaemia, lethargy & fatigue, headaches, gallstones and gout.
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6 months
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二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
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Recruitment rate of at least 50% of potential participants meeting inclusion and exclusion criteria
時間枠:1 year
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at least 50% of those meeting the referral criteria and are approached to participant, consent to participating in the study
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1 year
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Compliance with dietary intervention from dietary records
時間枠:6 months
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at least 70% compliance with prescribed diet
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6 months
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Weight change (kg)
時間枠:6 months
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change in weight from baseline to 6 months
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6 months
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kidney function (eGFR ml/min CKD EPI equation)
時間枠:6 months
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monitoring if estimated kidney function declines during the study or if symptomatic for dehydration.
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6 months
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Waist circumference (cm)
時間枠:6 months
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change in waist circumference measured in cm at level of umbilicus
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6 months
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Body composition
時間枠:6 months
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lean and fat mass (kg) estimated by bioelectrical impedance analysis
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6 months
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Exercise capacity - 6 minute timed walk test
時間枠:6 months
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distance walked (m) in 6 minutes
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6 months
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Exercise capacity - sit to stand 60
時間枠:6 months
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number (count) of sit to stand movements in 60 seconds
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6 months
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Proteinuria
時間枠:6 months
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urinary protein to creatinine ratio
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6 months
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Total Cholesterol
時間枠:6 months
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plasma total cholesterol concentration
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6 months
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Triglycerides
時間枠:6 months
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plasma triglycerides concentration
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6 months
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LDL cholesterol
時間枠:6 months
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plasma LDL cholesterol concentration
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6 months
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HDL cholesterol
時間枠:6 months
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plasma HDL cholesterol concentration
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6 months
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協力者と研究者
捜査官
- 主任研究者:Helen L MacLaughlin, PhD、King's College Hospital NHS Fundation Trust
研究記録日
主要日程の研究
研究開始 (実際)
一次修了 (実際)
研究の完了 (実際)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (実際)
学習記録の更新
投稿された最後の更新 (実際)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
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