진행성 HER2 양성 유방암 여성의 양전자 방출 단층 촬영
64 진행성 HER2 양성 침습성 유방암이 있는 여성의 Cu-DOTA-Trastuzumab 양전자 방출 단층 촬영
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.
연구 개요
상태
상세 설명
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.
연구 유형
등록 (실제)
단계
- 해당 없음
연락처 및 위치
연구 장소
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California
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Duarte, California, 미국, 91010
- City of Hope
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
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
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 특수 증상
- 할당: 해당 없음
- 중재 모델: 단일 그룹 할당
- 마스킹: 없음(오픈 라벨)
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
|---|---|
|
실험적: 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
다른 이름들:
15 mCi of Cu 64-DOTA-trastuzumab, total trastuzumab dose less than 5 mg.
다른 이름들:
Correlative Studies
다른 이름들:
Correlative studies
다른 이름들:
Correlative studies |
연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
|
Tumor Uptake of 64Cu-DOTA-trastuzumab After 24 Hours
기간: 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
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Tumor Uptake of 64Cu-DOTA-trastuzumab After 48 Hours
기간: 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
|
공동 작업자 및 조사자
수사관
- 수석 연구원: Joanne Mortimer, City of Hope Medical Center
연구 기록 날짜
연구 주요 날짜
연구 시작 (실제)
기본 완료 (실제)
연구 완료 (추정된)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (추정된)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
키워드
추가 관련 MeSH 약관
기타 연구 ID 번호
- 09101
- NCI-2010-00322 (레지스트리 식별자: NCI CTRP)
- BC095002 (기타 보조금/기금 번호: Department of Defense)
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