Metabolomics and Breast Cancer Risk in a Nested Case-control Study of the Cancer Prevention Study-II Nutrition Cohort
Cancer Prevention Study-II Nutrition Cohort
This study aims to investigate diet, lifestyles, serum metabolomics in relation to breast cancer risk in a nested case-control study including 1,547 postmenopausal women from the Cancer Prevention Study II (CPS-II) Nutrition Cohort. The CPS-II Nutrition Cohort is a prospective cohort study of cancer incidence and mortality among 184,185 men and women, established by the American Cancer Society in 1992. Participants completed a self-administered baseline questionnaire in 1992/1993 including demographic, medical, and lifestyle information. Follow-up questionnaires were sent to living participants in 1997 and every other year to update exposure information and ascertain newly diagnosed cancers. From June 1998 through May 2001, blood specimens were collected from 21,963 women. All participants completed a short questionnaire and provided informed consent at the time of blood draw. Non-fasting whole blood collected from each participant was shipped chilled overnight to a central repository, processed, and frozen in liquid nitrogen at approximately -130 °C for long-term storage.
Of the 21,963 women who provided a blood sample, investigators identified 782 postmenopausal women diagnosed with invasive breast cancer between blood draw date and June 2011 who had not been diagnosed with cancer (other than nonmelanoma skin cancer) before blood draw or prior to their breast cancer diagnosis. Controls were 1:1 matched to cases on date of birth, date of blood draw, and race and were cancer free at the date of case diagnosis. Seventeen women who were selected as controls were later diagnosed with breast cancer, at which time they became a case. A total of 1,547 postmenopausal women were included in the breast cancer nested case-control study.
調査の概要
状態
条件
研究の種類
入学 (実際)
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:
- blood sample
- cancer free at blood draw
Exclusion Criteria:
- unverified breast cancer
- non-invasive breast cancer
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 |
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ケース
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コントロール
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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 |
---|---|---|
Incident invasive breast cancer
時間枠:Blood draw through June 30, 2011
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Identified through medical record or linkage with state cancer registry
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Blood draw through June 30, 2011
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協力者と研究者
出版物と役立つリンク
一般刊行物
- Calle EE, Rodriguez C, Jacobs EJ, Almon ML, Chao A, McCullough ML, Feigelson HS, Thun MJ. The American Cancer Society Cancer Prevention Study II Nutrition Cohort: rationale, study design, and baseline characteristics. Cancer. 2002 May 1;94(9):2490-501. doi: 10.1002/cncr.101970.
- Wang Y, Gapstur SM, Carter BD, Hartman TJ, Stevens VL, Gaudet MM, McCullough ML. Untargeted Metabolomics Identifies Novel Potential Biomarkers of Habitual Food Intake in a Cross-Sectional Study of Postmenopausal Women. J Nutr. 2018 Jun 1;148(6):932-943. doi: 10.1093/jn/nxy027.
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
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。
乳がんの臨床試験
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Tianjin Medical University Cancer Institute and...Guangxi Medical University; Sun Yat-sen University; Chinese PLA General Hospital; The First Affiliated... と他の協力者完了
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