進行したHER2陽性乳がんの女性における陽電子放出断層撮影
64 進行 HER2 陽性浸潤性乳癌の女性における Cu-DOTA-トラスツズマブ陽電子放出断層撮影法
RATIONALE: Diagnostic procedures, such as copper Cu 64-DOTA-trastuzumab-labeled PET, may help doctors to plan a better treatment
PURPOSE: This pilot trial is studying copper Cu 64-tetra-azacyclododecanetetra-acetic acid (DOTA)-trastuzumab-labeled positron emission tomography (PET) in women with human epidermal growth factor receptor 2 (HER2)-positive breast cancer.
調査の概要
状態
状態
条件
条件
介入・治療
介入・治療
詳細な説明
PRIMARY OBJECTIVES:
I. Determine the dose of pre-administered cold antibody that optimizes image quality of 64Cu-DOTA-trastuzumab PET without increasing the radiation dose to the heart in women with metastatic HER2 positive breast cancer.
II. Determine whether tumor uptake on 64Cu-DOTA-trastuzumab PET correlates with tumor expression of HER2 in women with metastatic disease.
III. Perform an exploratory analysis of the relationship between uptake on 64Cu-DOTA-trastuzumab PET, HER2 overexpression, and inactivation of the PI3K/Akt pathway.
OUTLINE:
This is a part one dose-determining study followed by a part two study. PART ONE: Patients are randomized to 1 of 3 dose levels. Patients undergo a PET scan 24-48 hours after injection of 64 Cu-DOTA-trastuzumab. PART TWO: Patients undergo a PET scan 24-48 hours after injection of 64 Cu-DOTA-trastuzumab at the optimal dose as determined in part one of the study.
研究の種類
研究の種類
入学 (実際)
入学
段階
段階
- 適用できない
連絡先と場所
研究場所
-
-
California
-
Duarte、California、アメリカ、91010
- City of Hope
-
-
参加基準
適格基準
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
Eligibility Part I (Determination of the cold dose)
- Participants must be women who have histological confirmation of metastatic invasive breast cancer that has metastasized outside the region of the primary tumor and axilla. Biopsy must be obtained within 28 days prior to study. Patients must have metastatic disease in lung, liver, soft-tissue or bone to qualify for the study (more than one site is permissible).
- At least 1 non-hepatic site of metastasis greater than or equal to 2 cm in mean diameter must be identified in addition to the site that was biopsied.
- The cancer must over express HER2 as determined by IHC and FISH.
- Patients may have received trastuzumab in the adjuvant, neoadjuvant, or metastatic setting, but cannot have received the drug within the prior 2 months.
- Participants must have normal cardiac ejection fraction.
Eligibility Part 2 (correlation of HER2 expression with PET uptake)
- Participants must be women who have histological confirmation of metastatic invasive breast cancer that has metastasized outside the region of the primary tumor and axilla. Biopsy must be obtained within 28 days prior to study. Patients must have metastatic disease in lung, liver, soft-tissue or bone to qualify for the study (more than one site is permissible).
- At least 1 non-hepatic site of metastasis site greater than or equal to 2 cm in mean diameter must be identified in addition to the site that was biopsied.
- Participants with HER2 1+, 2+ and 3+ by IHC are eligible.
- Patients may have received trastuzumab in the adjuvant, neoadjuvant, or metastatic setting, but cannot have received the drug within the prior 2 months.
- Participants must have normal cardiac ejection fraction.
Ineligibility
- Participants who have received trastuzumab within the prior 2 months
- Participants who are not considered candidates for trastuzumab
- Metastatic disease in a single site
- No metastatic site greater than or equal to 2 cm
- Concurrent malignancy other than skin cancer
- Inability to provide informed consent
- Participants who are pregnant
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)
アーム数
武器と介入
参加者グループ / アーム参加者グループ / アーム |
介入・治療介入・治療 |
|---|---|
|
実験的:Arm I
PART ONE: Patients are randomized to 1 of 3 dose levels. Patients undergo a PET scan 24-48 hours after injection of copper Cu 64-DOTA-trastuzumab. PART TWO: Patients undergo a PET scan 24-48 hours after injection of copper Cu 64-DOTA-trastuzumab. |
Correlative studies PET images performed on a GE Discovery 16 Ste PET-CT scanner
他の名前:
15 mCi of Cu 64-DOTA-trastuzumab, total trastuzumab dose less than 5 mg.
他の名前:
Correlative Studies
他の名前:
Correlative studies
他の名前:
Correlative studies |
この研究は何を測定していますか?
主要な結果の測定
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
Tumor Uptake of 64Cu-DOTA-trastuzumab After 24 Hours
時間枠:24 hours after injection of 64 CU-DOTA-trastuzumab
|
Comparison of uptake between the HER2+ and HER2- groups, treating SUVmax measurements for individual tumors as independent observations. Statistical significance of differences in SUVmax between patient groups was assessed via a nonparametric (Wilcoxon rank-sum) test. Radiolabel uptake for tumors was measured in terms of single-voxel maximum SUV (SUVmax; SUV = tissue activity per mL x body weight [g]/injected activity decay-corrected to time of scan). |
24 hours after injection of 64 CU-DOTA-trastuzumab
|
|
Tumor Uptake of 64Cu-DOTA-trastuzumab After 48 Hours
時間枠:48 hours after injection of 64 CU-DOTA-trastuzumab
|
Comparison of uptake between the HER2+ and HER2- groups, treating SUVmax measurements for individual tumors as independent observations. Statistical significance of differences in SUVmax between patient groups was assessed via a nonparametric (Wilcoxon rank-sum) test. Radiolabel uptake for tumors was measured in terms of single-voxel maximum SUV (SUVmax; SUV = tissue activity per mL x body weight [g]/injected activity decay-corrected to time of scan). |
48 hours after injection of 64 CU-DOTA-trastuzumab
|
協力者と研究者
捜査官
捜査官
- 主任研究者:Joanne Mortimer、City of Hope Medical Center
研究記録日
主要日程の研究
研究開始 (実際)
研究開始
一次修了 (実際)
一次修了
研究の完了 (推定)
研究の完了
試験登録日
最初に提出
最初に提出
QC基準を満たした最初の提出物
QC基準を満たした最初の提出物
最初の投稿 (推定)
最初の投稿
学習記録の更新
投稿された最後の更新 (実際)
投稿された最後の更新
QC基準を満たした最後の更新が送信されました
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
最終確認日
詳しくは
本研究に関する用語
キーワード
追加の関連 MeSH 用語
その他の研究ID番号
その他の研究ID番号
- 09101
- NCI-2010-00322 (レジストリ識別子:NCI CTRP)
- BC095002 (その他の助成金/資金番号:Department of Defense)
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