- ICH GCP
- 미국 임상 시험 레지스트리
- 임상시험 NCT02067884
Contrast Enhanced Ultrasound and Shear Wave Elastography in Measuring Response in Patients With Breast Cancer Receiving Chemotherapy Before Surgery
Real Time Contrast Enhanced Ultrasound and Ultrasound-Based Elastography: Novel Techniques in Assessment of Treatment Response to Neoadjuvant Chemotherapy for Breast Cancer
연구 개요
상태
정황
상세 설명
PRIMARY OBJECTIVES:
I. To establish a quantitative prediction rule for accurate and early prediction of the pathologic tumor response assessed post-surgery, using the change of contrast enhanced ultrasound (CEUS) assessed tumor size and perfusion characteristics before (baseline) and 2-3 weeks following initiation of neoadjuvant chemotherapy (NAC).
II. To assess the agreement between CEUS based classification rule and pathologically determined treatment response (baseline versus pre-surgical scan).
III. To establish a quantitative prediction rule for accurate and early prediction of the pathologic tumor response assessed post-surgery, using the change in propagation velocity of a shear mechanical wave in tissue before (baseline) and 2-3 weeks following initiation of NAC.
IV. To assess the agreement between shear wave elastography (SWE) based classification rule and pathologically determined treatment response (baseline versus pre-surgical scan).
SECONDARY OBJECTIVES:
I. To explore the role of combined CEUS + SWE features obtained at early treatment phase (2-3 weeks following initiation of NAC), in accurately predicting the pathologically determined tumor response.
II. To investigate the agreement in assessment of therapy response to NAC between CEUS versus contrast enhanced magnetic resonance imaging (CE MRI) and SWE versus CE MRI for baseline versus pre-surgery scan and to identify discordant cases using scatter plot and contingency tables.
OUTLINE:
Patients undergo dynamic contrast-enhanced ultrasound imaging and shear wave elastography at baseline, 2-3 weeks after initiation of chemotherapy, and before surgery.
연구 유형
등록 (실제)
단계
- 1단계
연락처 및 위치
연구 장소
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California
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Los Angeles, California, 미국, 90033
- USC Norris Comprehensive Cancer Center
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
Inclusion Criteria:
- Women with histologically confirmed breast cancer (by core needle biopsy)
- Women with >= 2 cm clinically or radiologically measureable breast cancer
- Women scheduled to receive neoadjuvant chemotherapy as part of their treatment plan
- Women competent to sign study specific written Informed Consent
- Women willing to comply with protocol requirements
Exclusion Criteria:
- Women who are pregnant
- Women who have undergone open surgical (excisional) biopsy for breast cancer diagnosis
- Women who have had a prior history of breast cancer in the same breast
- Women with known cardiac shunt, pulmonary hypertension or hypersensitivity to perflutren agent
- Women who cannot consent for themselves
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: Diagnostic (CEUS, SWE)
Patients undergo dynamic contrast-enhanced ultrasound imaging and shear wave elastography at baseline, 2-3 weeks after initiation of chemotherapy, and before surgery.
|
Undergo CEUS
다른 이름들:
Undergo SWE
다른 이름들:
Participant will receive contrast agent by intravenous administration
다른 이름들:
Equipment used for SWE
다른 이름들:
|
연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
---|---|---|
Model predicted treatment response for CEUS and SWE
기간: Up to 1 year
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Weighted Kappa will be used to assess the agreement.
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Up to 1 year
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Pathologically determined treatment response for CEUS and SWE
기간: Up to 1 year
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Weighted Kappa will be used to assess the agreement.
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Up to 1 year
|
2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
---|---|---|
Treatment response predicted by novel ultrasound techniques
기간: Up to 1 year
|
Weighted Kappa will be used to assess the agreement.
Scatter plots and contingency tables will be used to identify discordant cases between US techniques and CE MRI.
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Up to 1 year
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Treatment response predicted by CE MRI
기간: Up to 1 year
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Weighted Kappa will be used to assess the agreement.
Scatter plots and contingency tables will be used to identify discordant cases between US techniques and CE MRI.
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Up to 1 year
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공동 작업자 및 조사자
수사관
- 수석 연구원: Linda Hovanessian-Larsen, University of Southern California
연구 기록 날짜
연구 주요 날짜
연구 시작 (실제)
기본 완료 (실제)
연구 완료 (실제)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (추정)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .
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