Comparing the Performance of Automated Breast Ultrasonography to Hand-Held Whole Breast Ultrasonography in Breast Cancer Treatment Response Assessment
Comparing the Performance of Automated Breast Ultrasonography (ABUS) to Hand-Held Breast Ultrasonography (WBUS) in Breast Cancer Treatment Response Assessment in a Tertiary Cancer Center: A Prospective Study
調査の概要
詳細な説明
PRIMARY OBJECTIVE:
I. To estimate and compare the accuracy of automated breast ultrasonography (ABUS) and hand-held whole breast ultrasonography (WBUS) in predicting pathology complete response (pCR) with relative tumor volume change, using the receiver operating characteristic (ROC) curve analysis.
SECONDARY OBJECTIVES:
I. To evaluate the reproducibility of tumor volume measurements obtained by ABUS and handheld WBUS, respectively, using data collected at baseline for initial staging.
II. To assess the agreement in relative tumor volume change (RC) (end-of-treatment versus [vs.] pre-treatment) between ABUS and WBUS.
III. To estimate and compare the following diagnostic measures for ABUS and WBUS: sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV).
OUTLINE:
Patients undergo ABUS over 15 minutes followed by WBUS over 30 minutes at baseline, mid-treatment and pre-surgery (end of treatment).
研究の種類
連絡先と場所
研究場所
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Texas
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Houston、Texas、アメリカ、77030
- M D Anderson Cancer 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:
- The subjects to be studied will include patients seen in MD Anderson Breast imaging clinic at the Texas Medical Center (TMC)
- With breast cancer or suspicion of breast cancer
- Male or female who is older than 18 years of age
- Of any race
- Who consent to obtain technologist performed breast ultrasound and automated breast ultrasound
- English and non-English speakers (with language interpreter to assist in translation for non-English speakers)
Exclusion Criteria:
- Patient who is less than 18 years of age
- Imaging obtained outside of MD Anderson TMC
- Surgery pathology from outside of MD Anderson will be excluded from this study
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 |
|---|---|
|
Ancillary-Correlative (ABUS, WBUS)
Patients undergo ABUS over 15 minutes followed by WBUS over 30 minutes at baseline, mid-treatment and pre-surgery (end of treatment).
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Undergo ABUS
他の名前:
Undergo WBUS
他の名前:
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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 |
|---|---|---|
|
Area under the receiver operating characteristic (ROC) curve
時間枠:through study completion, an average of 1 year
|
Will compute relative tumor volume change for both automated breast ultrasonography (ABUS) and hand-held whole breast ultrasonography (WBUS) and estimate pathology complete response ROC curves for each.
Will estimate the areas under the ROC curves along with 95% confidence intervals and then compare the values statistically.
|
through study completion, an average of 1 year
|
二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
Tumor volume
時間枠:through study completion, an average of 1 year
|
Will compute the intraclass correlation coefficient for each method along with 95% confidence intervals and then compare these estimates.
|
through study completion, an average of 1 year
|
|
Relative tumor volume change
時間枠:through study completion, an average of 1 year
|
Will compute the relative change in tumor volume for ABUS and WBUS and assess their agreement using the Bland-Altman approach.
|
through study completion, an average of 1 year
|
|
Sensitivity
時間枠:through study completion, an average of 1 year
|
The cutoff point will be determined using Youden Index, i.e., the point that maximize (sensitivity specificity).
|
through study completion, an average of 1 year
|
|
Specificity
時間枠:through study completion, an average of 1 year
|
The cutoff point will be determined using Youden Index, i.e., the point that maximize (sensitivity specificity).
|
through study completion, an average of 1 year
|
|
Positive predictive value
時間枠:through study completion, an average of 1 year
|
through study completion, an average of 1 year
|
|
|
Negative predictive value
時間枠:through study completion, an average of 1 year
|
through study completion, an average of 1 year
|
協力者と研究者
捜査官
- 主任研究者:Monica L Huang、M.D. Anderson Cancer Center
出版物と役立つリンク
便利なリンク
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
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