3D サブハーモニック補助圧力推定を使用した乳がんのネオアジュバント化学療法のモニタリング
This phase II/III trial studies if contrast-enhanced ultrasounds using a contrast dye, perflutren lipid microspheres (Definity), can predict the response to chemotherapy by estimating the pressure in the cancer in patients with breast cancer that has spread to nearby tissues and lymph nodes (locally advanced). The efficacy of cancer therapy is affected by the pressure in the cancer. Definity is a contrast dye used to create better images during ultrasounds. The purpose of this trial is to determine if a special kind of ultrasound, called contrast-enhanced ultrasound, an experimental imaging test, can detect pressures in cancer to determine the response to neoadjuvant chemotherapy in patients with breast cancer.
調査の概要
状態
詳細な説明
PRIMARY OBJECTIVE:
I. To apply and evaluate a novel biomarker from 3-dimensional subharmonic aided pressure estimation (3D SHAPE) to predict neoadjuvant chemotherapy (NAC) response in patients with breast cancer.
SECONDARY OBJECTIVE:
I. To assess whether the accuracy of 3D SHAPE for predicting locally advanced breast cancer (LABC) NAC response varies with breast cancer subtype.
OUTLINE:
Patients undergo contrast-enhanced ultrasound (CEUS) and receive perflutren lipid microspheres intravenously (IV) over 10-15 minutes before NAC, after 10% of NAC, and after 30% of NAC. Patients also undergo unenhanced baseline ultrasound imaging before NAC, after 10% of NAC, after 30% of NAC, and after 100% of NAC.
After completion of study, patients are followed up at the completion of NAC.
研究の種類
入学 (実際)
段階
- フェーズ2
- フェーズ 3
連絡先と場所
研究場所
-
-
Minnesota
-
Rochester、Minnesota、アメリカ、55905
- Mayo Clinic
-
-
Pennsylvania
-
Philadelphia、Pennsylvania、アメリカ、19107
- Thomas Jefferson University Hospital
-
-
Texas
-
Dallas、Texas、アメリカ、75390
- UT Southwestern/Simmons Cancer Center-Dallas
-
-
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:
- Provide signed and dated informed consent form
- Willing to comply with all study procedures and be available for the duration of the study
- At least 21 years old
- Be diagnosed with breast cancer (T1 or greater LABC, any N and M0)
- Be scheduled for neoadjuvant chemotherapy
- Be medically stable
- Be conscious and able to comply with study procedures
- If a female of child-bearing potential, must have a negative urine pregnancy test
Exclusion Criteria:
-
Males
-
Females who are pregnant or nursing
-
Patients with other primary cancers requiring systemic treatment
-
Patients with any distal metastatic disease
-
Patients undergoing neoadjuvant endocrine therapy
-
Patients who are medically unstable, patients who are seriously or terminally ill, and patients whose clinical course is unpredictable. For example:
- Patients on life support or in a critical care unit;
- Patients with unstable occlusive disease (e.g., crescendo angina);
- Patients with clinically unstable cardiac arrhythmias, such as recurrent ventricular tachycardia;
- Patients with uncontrolled congestive heart failure (New York Heart Association [NYHA] Class IV);
- Patients with recent cerebral hemorrhage;
- Patients who have undergone surgery within 24 hours prior to the study sonographic examination
-
Patients with known hypersensitivity or allergy to any component of Definity
-
Patients with unstable cardiopulmonary conditions or respiratory distress syndrome
-
Patients with uncontrollable emphysema, pulmonary vasculitis, pulmonary hypertension or a history of pulmonary emboli
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：診断
- 割り当て：なし
- 介入モデル：単一グループの割り当て
- マスキング：なし（オープンラベル）
武器と介入
参加者グループ / アーム |
介入・治療 |
|---|---|
|
実験的：Diagnostic (CEUS, Definity)
Patients undergo CEUS and receive perflutren lipid microspheres IV over 10-15 minutes before NAC, after 10% of NAC, and after 30% of NAC. Patients also undergo unenhanced baseline ultrasound imaging before NAC, after 10% of NAC, after 30% of NAC, and after 100% of NAC |
Undergo CEUS
他の名前：
Given IV
他の名前：
Undergo unenhanced baseline ultrasound |
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 |
|---|---|---|
|
Calculation of tumor volume changes with neoadjuvant chemotherapy (NAC)
時間枠：Up to study completion (48 months)
|
3-dimensional (3D) tumor measurements over the three ultrasound exams will be recorded for each subject to calculate tumor volume changes with NAC. The tumor volume change during the therapy will be compared to imaging (magnetic resonance imaging or ultrasound) and pathologic response as well as to the corresponding 3D subharmonic aided pressure estimation (SHAPE) results. |
Up to study completion (48 months)
|
|
Prediction of the patients' clinical and pathological response
時間枠：Up to study completion (48 months)
|
The SHAPE results from three time points (i.e. before, 10% completion, and 30% completion of NAC) will be modeled for predicting the patients' clinical response as well as pathological response using longitudinal logistic regression with adjustment for correlated observations over time by generalized linear mixed effects or generalized estimating equations (GEE) modeling. |
Up to study completion (48 months)
|
|
The ability of the SHAPE method to distinguish responders from non-responders
時間枠：Up to study completion (48 months)
|
Will also be compared using receiver operating characteristic analysis to develop thresholds for decision-making based on balancing sensitivity and specificity. |
Up to study completion (48 months)
|
二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
Accuracy of the 3D SHAPE for predicting locally advanced breast cancer NAC response varies with breast cancer subtype
時間枠：Up to study completion (48 months)
|
The variation of the accuracies of the SHAPE results by breast cancer subtypes will be reported. The generalized linear mixed effects or GEE modeling will be stratified by breast cancer subtype and also extended to include modeling of breast cancer subtype as a main effect and as an interaction effect with SHAPE. |
Up to study completion (48 months)
|
協力者と研究者
スポンサー
捜査官
- 主任研究者：Kibo Nam, MD、Thomas Jefferson University
研究記録日
主要日程の研究
研究開始 (実際)
一次修了 (推定)
研究の完了 (推定)
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
追加の関連 MeSH 用語
その他の研究ID番号
- 20F.259
- R37CA234428 (米国 NIH グラント/契約)
- JT 14825 (その他の識別子：JeffTrial Number)
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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