Effect of Confinement on Circadian Rhythms of Patients Integrated Into a Care Pathway for Bariatric Surgery (CHRONO-CONF)
調査の概要
詳細な説明
Sleep patterns, evaluated in hunter-gatherer populations, show that without artificial interference, sleep is of course concomitant with the decrease in luminosity, but is also regulated by the outside temperature. Light pollution from night lighting and artificially regulated temperature contribute to distancing us from these physiological signals. In addition, the leisure activities linked to the screens encourage a voluntary restriction of sleep manifested by a later bedtime, whereas social constraints always impose the time of getting up. Sleep debt accumulates during the week and compensates for non-working days inducing a social jet lag of small amplitude, but repeated each week. Subjects who spontaneously or habitually develop a late chronotype (i.e. a propensity to be a "late sleeper, late riser") are the most exposed to this social jetlag between days worked when the sleep debt accumulates and days off when the sleep debt compensates.
It has been widely demonstrated that a short sleep duration promotes weight gain. Subjects with a late chronotype associate a short sleep duration on days when they work and a significant social jetlag on days when they do not work. This late chronotype is associated with unfavourable eating behaviour and more emotional eating and constitutes a risk of developing metabolic diseases.
Confinement disrupts social habits: lack of work activity or teleworking creates the possibility for individuals to work and/or sleep at times that are most convenient for them. Investigators hypothesize that subjects with a history of obesity will have tended, during confinement, to return to their spontaneous chronotype. The evolution of chronotypes between the pre-confinement period and during confinement will allow to measure the percentage of subjects who are not usually living according to their spontaneous chronotype, due to social constraints. Finally, we wish to retrospectively question the subjects on the impact of confinement on their eating habits, physical activity, mood and employment.
研究の種類
入学 (予想される)
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
サンプリング方法
調査対象母集団
説明
Inclusion Criteria:
- Adult (>18 years-old, no upper limit)
- Included in the care pathways that prepare and then follow bariatric surgery
- Who have an e-mail address and internet access
Exclusion Criteria:
- Subjects refusing to participate
- Subjects who stayed in a country that did not organize containment during the COVID-19 pandemic.
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
コホートと介入
グループ/コホート |
介入・治療 |
---|---|
patients with a medical history of obesity
Patients included are subject who entered a structured program of care for their obesity, with or without bariatric surgery.
|
Some patients in the cohort are followed by a multidisciplinary team in preparation for bariatric surgery.
Others have already undergone bariatric surgery and are being followed up postoperatively.
|
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 |
---|---|
Change in sleep and meal schedules
時間枠:before (mid-March 2020) at the end (May 11, 2020) and after containment (September 2020)
|
before (mid-March 2020) at the end (May 11, 2020) and after containment (September 2020)
|
二次結果の測定
結果測定 |
時間枠 |
---|---|
Change in self-reported body weight
時間枠:before (mid-March 2020) at the end (May 11, 2020) and after containment (September 2020)
|
before (mid-March 2020) at the end (May 11, 2020) and after containment (September 2020)
|
Change in obesity-related quality of life evaluated by EQVOD questionnaire
時間枠:before (mid-March 2020), at the end (May 11, 2020) and after confinement (September 2020).
|
before (mid-March 2020), at the end (May 11, 2020) and after confinement (September 2020).
|
Change in physical activity assessed by the short form of International Physical Activity Questionnaire (sf-IPAQ)
時間枠:before (mid-March 2020), at the end (May 11, 2020) and after confinement (September 2020).
|
before (mid-March 2020), at the end (May 11, 2020) and after confinement (September 2020).
|
Change in mood and anxiety assessed by the Hospital Anxiety and Depression Scale (HADS)
時間枠:before (mid-March 2020) at the end (May 11, 2020)
|
before (mid-March 2020) at the end (May 11, 2020)
|
Change in working status
時間枠:before (mid-March 2020) at the end (May 11, 2020)
|
before (mid-March 2020) at the end (May 11, 2020)
|
Change in food security status assessed by the Household Food Security Scale Measure (HFSSM)
時間枠:before (mid-March 2020), at the end (May 11, 2020) and after containment (September 2020).
|
before (mid-March 2020), at the end (May 11, 2020) and after containment (September 2020).
|
Search for a correlation between evolution of the chronotype and evolution of the weight, IPAQS score, HADS score, etc.
時間枠:before (mid-March 2020), at the end (May 11, 2020) and after containment (September 2020).
|
before (mid-March 2020), at the end (May 11, 2020) and after containment (September 2020).
|
協力者と研究者
捜査官
- 主任研究者:Anne-Laure Borel, MD, PhD、University Hospital, Grenoble
出版物と役立つリンク
研究記録日
主要日程の研究
研究開始 (予想される)
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 (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
本研究に関する用語
その他の研究ID番号
- 38RC20.281
- 2020-A02212-37 (その他の識別子:ID RCB)
個々の参加者データ (IPD) の計画
個々の参加者データ (IPD) を共有する予定はありますか?
医薬品およびデバイス情報、研究文書
米国FDA規制医薬品の研究
米国FDA規制機器製品の研究
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