Effect of a Natural Health Product on Urinary Estrogen Metabolites
A Clinical Trial to Assess the Efficacy of a Supplemental Formula Targeting Breast Health in Beneficially Altering Urinary Estrogen Metabolites Levels in Both Pre- and Post-menopausal Women
調査の概要
詳細な説明
The active botanical constituents in femMED Breast Health Formula contain lignans, compounds with anti-estrogenic activity, that have been shown to exert an estrogenic effect during the follicular phase [i.e. when estrogen is low] and an antiestrogenic effect in the luteal phase of a female menstrual cycle. These are plant-derived chemicals that can act as weak mimics of estrogen in the body. Overall these compounds have been found to be helpful in stabilizing the natural cyclical fluctuation of estrogen levels.
The trial will be a double-blind, placebo-controlled parallel study in which 100 subjects will be recruited to one of two arms of the study: one arm will consist of pre-menopausal women; another will consist of post-menopausal women. Each arm of the study will be carried out concurrently and in one phase, with no washout period. The placebo assignment will be randomized within each arm of the study.
Subjects in each arm of the study will follow the same protocol. Urine and blood samples will be collected from each group at both the first and last visit, and subjects will receive a month's supply of treatment or placebo at the first visit, which they will consume on a daily basis until their second lab visit 28 days later. Urine samples will be analyzed for the following estrogen metabolites: 2-OH-estrone and 16-α OH-estrone. Blood samples would be collected and assessed for levels of enterolactone. Pre and post-supplementation results will be assesses for any differences by statistical comparison.
研究の種類
入学 (実際)
段階
- フェーズ2
- フェーズ 1
連絡先と場所
研究場所
-
-
Ontario
-
Guelph、Ontario、カナダ、N1G0B4
- Nutrasource Diagnostics Inc
-
-
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:
- 18 years of age or older
- Healthy
- Willing to collect urine samples and to have blood drawn
- Post-menopausal and have not taken hormone replacement therapy (HRT) in the past year (48 subjects)
- Pre-menopausal (48 subjects)
Exclusion Criteria:
- Diagnosed with any major illness(e.g. cancer)
- Diabetes, thyroid disease, atypical hyperplasia, fibrocystic breast disease, family history of ovarian cancer, a history of "migraines with aura"
- Women taking blood thinner or thyroid medication (including warfarin)
- Known allergy to any of the any of the study ingredients
- Pregnancy or lactation
- Regular consumption in the previous 3 months of any other natural health products (NHPs) or pharmaceutical containing ingredients with a similar effect on estrogen metabolism as those included in the femMED Breast Health treatment
- Family history of breast cancer risk
- Post-menopausal women on HRT
- Pre-menopausal women taking hormonal contraceptives (oral contraceptives, the patch etc.)
- All other forms of estrogen, progesterone and/or androgens (i.e. testosterone therapy)
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：防止
- 割り当て：ランダム化
- 介入モデル：並列代入
- マスキング：ダブル
武器と介入
参加者グループ / アーム |
介入・治療 |
|---|---|
|
実験的：Pre-Menopausal
|
Two capsules daily, with meals.
FemMED Breast Health Formula containing lignans.
|
|
実験的：Post-Menopausal
|
Two capsules daily, with meals.
FemMED Breast Health Formula containing lignans.
|
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 |
|---|---|---|
|
2-OH Hydroxy Estrone: 16-alpha-OH Estrone
時間枠：Day 0, Day 28
|
2-OHE:16α-OHE1 (2:16 ratio) - 2:16 ratios less than 2.0 indicate increasing long-term risk for breast, cervical, and other estrogen sensitive cancers. Urine samples will be analyzed for the following estrogen metabolites: 2-OH-estrone and 16-α OH-estrone. |
Day 0, Day 28
|
二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
Enterolactone
時間枠：Day 0, Day 28
|
Enterolactone is a lignan formed by the action of intestinal bacteria on lignan precursors found in plants. For the purpose of this study, enterolactone will serve as an indicator of compliance/dietary intake of lignans. Blood samples would be collected and assessed for levels of enterolactone. |
Day 0, Day 28
|
協力者と研究者
捜査官
- 主任研究者：Maggie Laidlaw, P.hD、Nutrasource Pharmaceutical and Nutraceutical Services, Inc.
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
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 (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
本研究に関する用語
キーワード
その他の研究ID番号
- NDI: 136987
- NHPD136987 (その他の識別子：Natural Health Products Directorate, Health Canada)
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。