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High Quality Protein for Assisting With Weight Loss (Egg_breakfast)

2019年5月28日 更新者：Texas Tech University

Does Higher Protein Quality Reduce Energy Intake When Following a Weight Loss Diet Plan? -- Nonpilot, Powered Crossover

The purpose of this study is to determine if, in presence of a reduced calorie diet, a breakfast containing high quality protein source (eggs) would be more effective in reducing hunger and increasing feeling of fullness compared to a breakfast containing a lower quality of protein, but equal energy density. A previous pilot study with the same endpoints yielded borderline significant results; this study has been powered based on that pilot to interrogate our hypotheses.

調査の概要

状態

完了

条件

介入・治療

詳細な説明

This will be a crossover study with 2 experiments. Subjects will follow a reduced energy weight loss diet of 1,200-1,500 kcal adjusted to each individual's body weight for totally 2 weeks in each experiment. They will come to the clinic from day 1 to day 7 and consume egg breakfast (EB) for 5 days under our supervision. Then on weekends during this period they will continue this breakfast at home based on our advice. The next week they will have cereal breakfast (CB) and the process is similar to that in the first week.

The 1st experiment will test the satiety from egg breakfast (EB) and following energy intake in both lunch and dinner, compared with CB (cereal breakfast). Lunch and dinner will be offered on 2 test days during each week. Anthropometric and body composition measurements, blood pressure, blood draw, satiety questionnaire, as well as energy intake will also be collected in the 2 test days and compared between 2 breakfast groups.

The 2nd one is to test whether EB will help in resisting the intake of foods considered tempting, but detrimental to weight loss efforts, compared with CB. The process is similar to experiment 1 except no blood draw, no dinner offered. Instead, a tempting food after lunch will be offered.

研究の種類

介入

入学 (実際)

40

段階

  • 適用できない

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究場所

  • アメリカ
    • Texas
      • Lubbock、Texas、アメリカ、79409
        • Texas Tech University - Department of Nutritional Sciences

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

18年～44年 (大人)

健康ボランティアの受け入れ

はい

受講資格のある性別

女性

説明

Inclusion Criteria:

  • Overweight and class I-II obese (BMI 25.0-39.9)
  • Sedentary (<3 hours/week of moderate intensity physical activity)
  • Otherwise healthy

Exclusion Criteria:

  • ≥5% body weight loss or gain in the three months preceding the study
  • Post-menopausal (has not had period for 12 months)
  • Plans to begin an exercise program or change current exercise routines between initiation of study and final study
  • Anyone following a medical diet prescription
  • Anyone with a chronic disease including type II diabetes, hypothyroidism, hypoparathyroidism, cardiovascular disease, cancer of any type
  • Health conditions and chronic illness that contraindicate behavioral weight loss treatment using a low calorie diet: Unstable cardiac condition; Polycystic ovary syndrome; Prader-Willi syndrome; Major systemic illness; History of recreational drug abuse or eating disorder (Binge Eating Disorder); Familial hyperlipidemia; Major endocrine diseases (Cushing's syndrome, Grave's disease, Hashimoto's thyroiditis); Gastrointestinal disorder
  • Anyone who is currently pregnant, or lactating
  • Medications that may influence or inhibit appetite, sensory functioning, or hormone signaling
  • Plans to begin taking any supplements that may influence weight loss
  • Report of medical condition or surgical intervention that affects swallowing or chewing ability
  • Anyone with a pacemaker or other internal medical device
  • Any practicing vegans or vegetarians
  • Any practicing gluten-free diet
  • Allergy, aversion, or dislike to any of the foods offered for meals

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

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：クロスオーバー割り当て
  • マスキング：なし（オープンラベル）

武器と介入

参加者グループ / アーム
介入・治療
実験的：Egg Breakfast (EB)

The EB will receive the following breakfast:

2 scrambled eggs, 120 mL skim milk, 2 slices of Mrs. Bairds® Extra Thin White Bread, 5 g of butter, and 18 g of Smuckers® Strawberry Jam.
行動：Egg breakfast (EB)
Breakfast is considered as high quality protein diet, but has similar weight, energy, and macronutrients as the active comparator. The details are as follows: weight 291 g,energy 400 kcal, energy density 1.37 kcal/g, carbohydrate 42.9%, fat 35.6%, protein 19.8%, protein digestibility corrected amino acid score (PDCAAS) 100, leucine 1.77 g, glycemic load 24, fiber 1.0 g.
行動：Weight Loss Counseling
Weight loss counseling will be administered by a Registered Dietitian and will utilize information and materials derived from the Evidence Analysis Library (EAL) of the Academy of Nutrition and Dietetics (AND). Topics will include portion control, macronutrient distribution, snacking, eating out, cooking and grocery shopping, as well as behavioral strategies including self-monitoring, motivational interviewing, goal setting, and problem solving.
行動：Weight Loss Diet
Participants will have a 1200-1500kcals diet based on each individual's body weight during the study.
アクティブコンパレータ：Cereal Breakfast (CB)

The CB will receive the following breakfast:

1.5 cups of Special K® Ready-to-Eat Original Cereal, 200 ml Silk® Original Soymilk, 1 slice of Nature's Own® Double Fiber Wheat Bread, 13 g of butter, and 10 g of Smuckers® Sugar-Free Strawberry Jam.
行動：Weight Loss Counseling
Weight loss counseling will be administered by a Registered Dietitian and will utilize information and materials derived from the Evidence Analysis Library (EAL) of the Academy of Nutrition and Dietetics (AND). Topics will include portion control, macronutrient distribution, snacking, eating out, cooking and grocery shopping, as well as behavioral strategies including self-monitoring, motivational interviewing, goal setting, and problem solving.
行動：Weight Loss Diet
Participants will have a 1200-1500kcals diet based on each individual's body weight during the study.
行動：Cereal Breakfast (CB)
Breakfast is considered as low quality protein diet, but has similar weight, energy, and macronutrients as that in experimental group. The details are as follows: weight 293 g, energy 398 kcal, energy density 1.36 kcal/g, carbohydrate 44.8%, fat 35.4%, protein 19.8%, protein digestibility corrected amino acid score (PDCAAS) 42, leucine 0.48 g, glycemic load 30.8, fiber 4.4 g.

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
Change of subjective satiety
時間枠：Change in scores (arbitrary units AUC) from 30 minutes before breakfast consumption to 240 minutes after the consumption on day 7 and day 14
This will be measured by questionnaire (VAS) and compared the changes between 2 test days (day 7 and day 14) in experiment 1&2
Change in scores (arbitrary units AUC) from 30 minutes before breakfast consumption to 240 minutes after the consumption on day 7 and day 14
Change of objective satiety
時間枠：Change in concentration (AUC) from 30 minutes before breakfast consumption to 180 minutes after the consumption on day 7 and day 14
It is measured by GLP-1. This will be tested in experiment 1 and changes will be compared between 2 test days.
Change in concentration (AUC) from 30 minutes before breakfast consumption to 180 minutes after the consumption on day 7 and day 14
Change of objective satiety
時間枠：Change in concentration (AUC) from 30 minutes before breakfast consumption to 180 minutes after the consumption on day 7 and day 14.
It is measured by PYY 3-36. This will be tested in experiment 1 and changes will be compared between 2 test days.
Change in concentration (AUC) from 30 minutes before breakfast consumption to 180 minutes after the consumption on day 7 and day 14.
Change of objective satiety
時間枠：Change in concentration (AUC) from 30 minutes before breakfast consumption to 180 minutes after the consumption on day 7 and day 14.
It is measured by ghrelin. This will be tested in experiment 1 and changes will be compared between 2 test days.
Change in concentration (AUC) from 30 minutes before breakfast consumption to 180 minutes after the consumption on day 7 and day 14.
Other change of hormone level
時間枠：Change in concentration (AUC) from 30 minutes before breakfast consumption to 180 minutes after the consumption on day 7 and day 14.
It is measured by serum glucose. This will be tested in experiment 1 and changes will be compared between 2 test days.
Change in concentration (AUC) from 30 minutes before breakfast consumption to 180 minutes after the consumption on day 7 and day 14.
Other change of hormone level
時間枠：Change in concentration (AUC) from 30 minutes before breakfast consumption to 180 minutes after the consumption on day 7 and day 14.
It is measured insulin levels. This will be tested in experiment 1 and changes will be compared between 2 test days.
Change in concentration (AUC) from 30 minutes before breakfast consumption to 180 minutes after the consumption on day 7 and day 14.
Energy intake (kcal) during ad libitum lunch
時間枠：Test day 7 and day 14
Energy intake will be compared between 2 test days in experiment 1
Test day 7 and day 14
Energy intake (kcal) during ad libitum dinner
時間枠：Test day 7 and day 14
Energy intake will be compared between 2 test days in experiment 1
Test day 7 and day 14
Energy intake (kcal) during ad libitum lunch
時間枠：Test day 7 and day 14
Chocolate brownies will be added to the test lunch. Energy intake will be compared between 2 test days in experiment 2
Test day 7 and day 14

二次結果の測定

結果測定
メジャーの説明
時間枠
Change in body weight (kg)
時間枠：Day 0, day 7 and day 14
Body weight change from baseline to day 7, and change from day 7 to day 14 will be compared
Day 0, day 7 and day 14
Change in waist and hip circumference (cm)
時間枠：Day 0, day 7 and day 14
Waist and hip circumference change from baseline to day 7, and change from day 7 to day 14 will be compared
Day 0, day 7 and day 14
Change in blood pressure (mm Hg)
時間枠：Day 0, day 7 and day 14
BP change from baseline to day 7, and change from day 7 to day 14 will be compared
Day 0, day 7 and day 14
Change in fat mass and lean body mass percentage
時間枠：Day 0, day 7 and day 14
Body fat change from baseline to day 7, and change from day 7 to day 14 will be compared
Day 0, day 7 and day 14
Self report bias in weight, height and body fat percentage
時間枠：Day 0
Difference of measurements between self report survey and objective results
Day 0
Self report of desire to lose weight and ideal weight
時間枠：Day 0
Day 0

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

スポンサー

Texas Tech University

協力者

American Egg Board

捜査官

  • 主任研究者：Nikhil Dhurandhar、Chair of the Nutritional Sciences Department

出版物と役立つリンク

研究に関する情報を入力する責任者は、自発的にこれらの出版物を提供します。これらは、研究に関連するあらゆるものに関するものである可能性があります。

一般刊行物

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (実際)

2017年8月20日

一次修了 (実際)

2019年5月17日

研究の完了 (実際)

2019年5月17日

試験登録日

最初に提出

2017年3月15日

QC基準を満たした最初の提出物

2017年3月15日

最初の投稿 (実際)

2017年3月21日

学習記録の更新

投稿された最後の更新 (実際)

2019年5月30日

QC基準を満たした最後の更新が送信されました

2019年5月28日

最終確認日

2019年5月1日

詳しくは

本研究に関する用語

キーワード

追加の関連 MeSH 用語

その他の研究ID番号

  • TTU IRB2016-1137

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いいえ

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