Ultrasound Monitoring of Clipped Lymph Nodes to Predict Axillary Response After Chemotherapy in Breast Cancer
A Prospective Diagnostic Clinical Study Based on Longitudinal Multimodal Ultrasound Evaluation of Clipped Lymph Nodes to Assess Axillary Pathological Response After Neoadjuvant Chemotherapy in Breast Cancer
調査の概要
状態
研究の種類
入学 (推定)
連絡先と場所
研究連絡先
- 名前：Jingsi Mei
- 電話番号：+8618825050526
- メール：meijs@mail.sysu.edu.cn
研究場所
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Guangdong
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Guangzhou、Guangdong、中国、510000
- Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University
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コンタクト：
- Jingsi Mei
- 電話番号：+862081332066
- メール：meijs@mail.sysu.edu.cn
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参加基準
適格基準
就学可能な年齢
- 大人
- 高齢者
健康ボランティアの受け入れ
サンプリング方法
調査対象母集団
Patients with histologically confirmed invasive breast cancer and biopsy-proven metastatic axillary lymph nodes who will receive standard neoadjuvant chemotherapy.
All enrolled patients will have a metallic clip placed in the biopsied positive lymph node before treatment, undergo longitudinal multimodal ultrasound examinations during and after NAC, and finally receive surgery with postoperative pathological evaluation of axillary lymph nodes.
説明
Inclusion Criteria:
- Female patients aged 18 years or older.
Clinical stage of breast cancer: T1-T4, N1-N3, M0.
Axillary lymph node metastasis confirmed by fine-needle aspiration (FNA) or core-needle biopsy.
Indicated for and planned to receive standard neoadjuvant chemotherapy (NAC) regimen.
The biopsy-proven metastatic lymph node is clearly visible on ultrasound and suitable for clip placement.
Completion of NAC followed by breast surgery and axillary lymph node dissection, with complete pathological results available.
Underwent multimodal ultrasound monitoring during NAC, including conventional ultrasound, elastography, and contrast-enhanced ultrasound.
Signed informed consent and willingness to complete all scheduled follow-ups.
Exclusion Criteria:
- Bilateral breast cancer.
Patients who are not suitable for neoadjuvant chemotherapy or plan to receive endocrine or targeted therapy only.
Prior breast or axillary surgery, chemotherapy, or other treatments that may affect the current therapeutic assessment.
Presence of distant metastasis or extensive axillary invasion making clip placement or evaluation difficult.
Pregnant or lactating women.
Poor image quality on ultrasound or other imaging modalities.
Inability to provide informed consent due to psychological, family, or social factors
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 |
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Breast cancer patients with clipped axillary lymph nodes receiving NAC and ultrasound follow-up.
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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 |
|---|---|---|
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Diagnostic performance of predictive model for axillary pathological complete response (ax-pCR)
時間枠：At the time of postoperative pathological assessment (usually within 1 week after surgery)
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Area under the ROC curve (AUC), sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of the multimodal ultrasound-based predictive model for ax-pCR.
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At the time of postoperative pathological assessment (usually within 1 week after surgery)
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Diagnostic performance of predictive model for axillary pathological complete response (ax-pCR)
時間枠：At the time of postoperative pathological assessment (usually within 1 week after surgery).
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Area under the ROC curve (AUC), sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of the multimodal ultrasound-based predictive model for ax-pCR.
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At the time of postoperative pathological assessment (usually within 1 week after surgery).
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協力者と研究者
研究記録日
主要日程の研究
研究開始 (推定)
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
この情報は、Web サイト clinicaltrials.gov から変更なしで直接取得したものです。研究の詳細を変更、削除、または更新するリクエストがある場合は、register@clinicaltrials.gov。 までご連絡ください。 clinicaltrials.gov に変更が加えられるとすぐに、ウェブサイトでも自動的に更新されます。