Efficacy of a Web-based Weight Loss Program
Is the Support of a Web-based Weight Loss Program Effective in Supporting Self-initiated Weight Loss and Lifestyle Changes?
調査の概要
研究の種類
入学 (実際)
段階
- フェーズ2
連絡先と場所
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:
- age 30-65 years
- body Mass Index: 27-39,9 kg/m2
- ECOG-Performance status degree 0 or 1
- basal internet skills
- private internet access
- signed informed consent
Exclusion Criteria:
- malign diseases
- major organ diseases
- inflammatory bowel diseases
- insulin - dependent diabetes mellitus
- pregnancy, breast feeding
- treatment of eating disorders (e.g. bulimia, anorexia nervosa) within past 5 years
- parallel participation in other weight loss programs or other trials
- weight loss > 5% within past 6 month
- chronic therapy with glucocorticoids
- subjects treated because of psychiatric disorders (e.g. schizophrenia, bipolar disorder) in the past
- subjects with expected non-compliance to protocol guidelines
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:非ランダム化
- 介入モデル:並列代入
- 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:KiloCoach
Study subjects use the KiloCoach program on at least 4 days per week within the first half of the 6 months intervention period.
In the second half, program usage is ad libitum.
|
Study participants in this arm will use the program to record nutrition and physical activity on at least 4 days per week within the first and ad libitum within the second 3 months of the intervention period. Study visits will be conducted at baseline as well as after 1, 3 and 6 months. After 12 months a follow up visit will be conducted. |
|
介入なし:Control
Study subjects try to reduce body weight on their own, without participating in an organized weight loss program, over a period of 6 months.
|
Study subjects try to reduce their body weight on their own. They are free to exercise and/or change nutritional habits. Not allowed is taking part in any structured weight loss program. Study visits will be conducted at baseline as well as after 1,3 and 6 months. A follow up visit will be conducted after 12 months. |
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 |
時間枠 |
|---|---|
|
body weight reduction in %
時間枠:after 3 months
|
after 3 months
|
二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
body weight reduction in %
時間枠:after 6 and 12 months
|
after 6 and 12 months
|
|
|
cardiovascular risk
時間枠:after 3,6 and 12 months
|
Cardiovascular risk is assessed by hsCRP, Fetuin A, LDL/HDL-ratio, waist-to-hip-ratio, HOMA-IR, blood pressure, body mass index, lean body mass (LBM), fat mass (FM), body cell mass (BCM.)
|
after 3,6 and 12 months
|
|
Quality of life
時間枠:after 3,6 and 12 months
|
Quality of life is assessed by "Obesity and Weight-Loss Quality of Life-Instrument" and "Weight related symptom measure".
|
after 3,6 and 12 months
|
|
Nutrition and physical activity
時間枠:after 3,6 and 12 months
|
Nutritional intake (controls) is assessed by 3-day dietary protocols.
Physical activity is assessed by "International physical activity questionnaire" (IPAQ-long), lower limb strength and phase angle.
|
after 3,6 and 12 months
|
協力者と研究者
出版物と役立つリンク
一般刊行物
- Goldstein DJ. Beneficial health effects of modest weight loss. Int J Obes Relat Metab Disord. 1992 Jun;16(6):397-415.
- Truby H, Baic S, deLooy A, Fox KR, Livingstone MB, Logan CM, Macdonald IA, Morgan LM, Taylor MA, Millward DJ. Randomised controlled trial of four commercial weight loss programmes in the UK: initial findings from the BBC "diet trials". BMJ. 2006 Jun 3;332(7553):1309-14. doi: 10.1136/bmj.38833.411204.80. Epub 2006 May 23. Erratum In: BMJ. 2006 Jun 17;332(7555):1418.
- Tate DF, Jackvony EH, Wing RR. A randomized trial comparing human e-mail counseling, computer-automated tailored counseling, and no counseling in an Internet weight loss program. Arch Intern Med. 2006 Aug 14-28;166(15):1620-5. doi: 10.1001/archinte.166.15.1620.
- Harvey-Berino J, Pintauro S, Buzzell P, DiGiulio M, Casey Gold B, Moldovan C, Ramirez E. Does using the Internet facilitate the maintenance of weight loss? Int J Obes Relat Metab Disord. 2002 Sep;26(9):1254-60. doi: 10.1038/sj.ijo.0802051.
- Harvey-Berino J, West D, Krukowski R, Prewitt E, VanBiervliet A, Ashikaga T, Skelly J. Internet delivered behavioral obesity treatment. Prev Med. 2010 Aug;51(2):123-8. doi: 10.1016/j.ypmed.2010.04.018. Epub 2010 May 15.
- Tate DF, Wing RR, Winett RA. Using Internet technology to deliver a behavioral weight loss program. JAMA. 2001 Mar 7;285(9):1172-7. doi: 10.1001/jama.285.9.1172.
- Krukowski RA, Harvey-Berino J, Ashikaga T, Thomas CS, Micco N. Internet-based weight control: the relationship between web features and weight loss. Telemed J E Health. 2008 Oct;14(8):775-82. doi: 10.1089/tmj.2007.0132.
- Galanis DJ, Kolonel LN, Lee J, Le Marchand L. Anthropometric predictors of breast cancer incidence and survival in a multi-ethnic cohort of female residents of Hawaii, United States. Cancer Causes Control. 1998 Mar;9(2):217-24. doi: 10.1023/a:1008842613331.
- Trentham-Dietz A, Newcomb PA, Egan KM, Titus-Ernstoff L, Baron JA, Storer BE, Stampfer M, Willett WC. Weight change and risk of postmenopausal breast cancer (United States). Cancer Causes Control. 2000 Jul;11(6):533-42. doi: 10.1023/a:1008961931534.
- Longin R, Grasse M, Aspalter R, Waldherr K. Effectiveness of the online weight reduction program KiloCoach and comparison with other evaluated commercial direct intervention and online programs. Obes Facts. 2012;5(3):372-83. doi: 10.1159/000339726. Epub 2012 Jun 14.
研究記録日
主要日程の研究
研究開始
一次修了 (予想される)
研究の完了 (予想される)
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 (見積もり)
学習記録の更新
投稿された最後の更新 (見積もり)
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
この情報は、Web サイト clinicaltrials.gov から変更なしで直接取得したものです。研究の詳細を変更、削除、または更新するリクエストがある場合は、register@clinicaltrials.gov。 までご連絡ください。 clinicaltrials.gov に変更が加えられるとすぐに、ウェブサイトでも自動的に更新されます。