Lipid Metabolism in Gestational Diabetes
Study of Lipid Metabolism in Gestational Diabetes
The purpose of this pilot study is to determine if, during pregnancy, women with GDM have an exaggerated lipid response compared to non-gestational diabetics. If a difference is noted, further studies will explore the possibility of screening gestational diabetics during their pregnancy for hyperlipidemia to determine if prenatal screening can predict postpartum risk for hyperlipidemia. In addition the relationship, if any between maternal lipid dysfunction and placental disease will be explored.
This will be a prospective cohort study. As part of routine prenatal care, women receive a one hour glucose challenge test to screen for gestational diabetes. Those women with elevated values then require a three hour glucose tolerance test, which is a diagnostic test for gestational diabetes. All women that are scheduled to receive a three hour GTT will be identified and ask to enroll in this study. 46 women whose three hour GTT is normal and thus do not have GDM, will be compared to 46 women with an abnormal three hour GTT and thus would have the diagnosis of GDM. Enrolled women will have a lipid panel consisting of; total cholesterol, triglycerides, HDL and LDL cholesterol at the time of their fasting glucose blood sample. In addition, a repeat lipid panel will be sent at the time of the third hour sample, to assess changes, if any due to the glucose challenge. Umbilical cord blood samples will be sent in order to obtain newborn lipid profiles. Women in both the GDM and normal groups will be asked to return 6-8 weeks
調査の概要
詳細な説明
The purpose of this pilot study is to determine if, during pregnancy, women with GDM have an exaggerated lipid response compared to non-gestational diabetics. If a difference is noted, further studies will explore the possibility of screening gestational diabetics during their pregnancy for hyperlipidemia to determine if prenatal screening can predict postpartum risk for hyperlipidemia. In addition the relationship, if any between maternal lipid dysfunction and placental disease will be explored. Subsequent studies could also explore the possible perinatal complications associated with elevated lipids and or metabolic syndrome.
C. Experimental Design, Methodology and Expected Results
Study Design:
We propose a prospective cohort design.
Study Population:
All women that are scheduled to receive a three hour GTT to rule out gestational diabetes would be identified and ask to enroll in this study. Specifically, eligible patients will be women who failed their glucose challenge test (GCT) and are scheduled for the follow-up three hour glucose tolerance test (GTT). The GCT is routinely performed among all prenatal care patients at 24-28 wks gestation. The 3 hour GTT requires patients to be fasting overnight. A fasting blood glucose is sampled, and the patients are given a 100 gram glucose drink. Serum glucose samples are then taken at one, two and three hours after the glucose loading. The "exposed" group will be defined as women diagnosed with GDM (elevated glucose values on two or more samples in the three hour GTT). The "unexposed" group will be defined as women with no abnormal glucose values in the three hour GTT.
研究の種類
入学 (実際)
連絡先と場所
研究場所
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Massachusetts
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Springfield、Massachusetts、アメリカ、01199
- Baystate Medical Center
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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:
- Pregnancy
- Abnormal one hour glucose challenge test
- "Normal" controls group one hour test between 135 mg% and 150 mg%
- "Gestational diabetic" group with two abnormal values on a 3 hour GTT
Exclusion Criteria:
- History of diagnosis of diabetes, hypertension, heart disease or chronic renal disease
- Prior history of lipid disorder or metabolic syndrome
- Current medications thought to adversely influence glucose tolerance (i.e. prednisone or other steroids and systemic beta-mimetic drugs)
- Non-singleton pregnancy
- < 16 years of age or over 40 years of age
- Not planning to deliver at Baystate Medical Center
- Twins
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
- 観測モデル:コホート
- 時間の展望:見込みのある
コホートと介入
グループ/コホート |
介入・治療 |
---|---|
Gestational Diabetics
Patients with Gestational Diabetes
|
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2
Normal pregnant women without gestational diabetes
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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 |
---|---|---|
Cholesterol
時間枠:Postpartum
|
Cholesterol values were obtained at least 6 weeks postpartum from the gestational diabetic group and the normal controls
|
Postpartum
|
二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
---|---|---|
Triglyceride Values
時間枠:Postpartum
|
Triglyceride values were obtained at least 6 weeks postpartum in both the gestational diabetic group and the normal controls.
|
Postpartum
|
HDL
時間枠:Postpartum
|
Triglyceride values were obtained at least 6 weeks postpartum in both the gestational diabetic group and the normal controls.
|
Postpartum
|
LDL
時間枠:Postpartum
|
LDL values were obtained at least 6 weeks postpartum in both the gestational diabetic group and the normal controls.
|
Postpartum
|
協力者と研究者
スポンサー
捜査官
- 主任研究者:Glenn R Markenson, MD、Baystate Medical Center
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
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。
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