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Multimodal Liquid-Biopsy Omics Biomarkers of Treatment Response in Breast Cancer

2026년 11월 9일 업데이트: Chen Kai, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University

Exploration of Treatment-Response Biomarkers in Breast Cancer Based on Integrated Liquid-Biopsy Multimodal Omics Features

This single-center cohort study integrates humoral immune response profiling (Phage ImmunoPrecipitation Sequencing, PhIP-seq) with circulating cell-free DNA (cfDNA) genomic and epigenomic features, exosome transcriptomics, and plasma metabolomics to discover and validate liquid-biopsy biomarkers of treatment response in breast cancer.

The study comprises four cohorts: (1) a retrospective pan-cancer cohort of approximately 1,000 patients with solid malignant tumor, using archived residual serum/plasma to construct a pan-cancer antigen repertoire and cfDNA mutational/methylation atlas, with priority given to patients who had available Whole Exome Sequencing (WES) data; (2) a prospective cohort of 800 women with non-metastatic (M0) breast cancer receiving standard neoadjuvant chemotherapy (NAC); (3) a prospective cohort of 100 women with metastatic (M1) breast cancer receiving standard systemic therapy; and (4) a control group of 100 individuals, including patients with benign breast disease (breast fibroadenoma) and healthy volunteers.

The primary objective is to identify biomarkers-autoantibody repertoires, cfDNA mutation clearance, methylation reprogramming, exosome transcripts, and metabolic signatures-associated with pathological complete response (pCR) to NAC, and to develop predictive models where feasible.

연구 개요

상태

모병

정황

상세 설명

Peripheral blood (20 mL) is collected at protocol-defined time points. Serum/Plasma autoantibody repertoires are profiled by PhIP-seq(phage-display immunoprecipitation sequencing); cfDNA methylation is measured by bisulfite-free methylome profiling; exosome RNA is profiled by strand-specific RNA sequencing; and untargeted plasma metabolomics is performed by liquid chromatography-tandem mass spectrometry. The study endpoints include clinical response and pathological complete response after NAC, together with survival follow-up. The study is conducted in accordance with the Declaration of Helsinki and Chinese regulations for investigator-initiated research, and has been approved by the institutional ethics committee.

Ambispective - a retrospective pan-cancer cohort (archived samples, 2020 Jan - 2026. Sep) combined with prospective breast cancer cohorts (enrollment 2026. Oct -2029)

연구 유형

관찰

등록 (추정된)

2000

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 연락처

연구 장소

    • Guangdong
      • Shanwei, Guangdong, 중국, 516601
        • 모병
        • Shenshan Medical Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University
        • 연락하다:

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

18년 (성인, 고령자)

건강한 자원 봉사자를 받아들입니다

예

연구 대상 성별

모두

샘플링 방법

비확률 샘플

연구 인구

Study participants will be selected from three main sources: (1) healthy female volunteers recruited for this study; (2) patients receiving clinical treatment at our institution; and (3) patients undergoing relevant diagnostic or clinical examinations at our institution.

설명

Inclusion Criteria:

Retrospective pan-cancer cohort:

  1. Aged 18 to 80 years;
  2. Both genders
  3. Clinically and histopathologically confirmed diagnosis of solid malignant tumors, including but not limited to non-small cell lung cancer, colorectal cancer, gastric cancer, hepatocellular carcinoma, or breast cancer.
  4. Complete clinical data available, including definitive TNM stage and established treatment plan;
  5. Archived peripheral blood samples (serum/plasma) collected during routine clinical care.

Prospective neoadjuvant chemotherapy (NAC) breast cancer cohort:

  1. Female, aged 18 to 80 years (inclusive);
  2. Clinically and pathologically confirmed non-metastatic (M0) breast cancer;
  3. Planned standard NAC at the study site, with complete pre-treatment ER, PR, and HER2 immunohistochemistry results available;
  4. Voluntary participation with signed written informed consent.

Prospective metastatic breast cancer cohort:

  1. Female, aged 18 to 80 years (inclusive);
  2. Clinically and pathologically confirmed metastatic (M1) breast cancer;
  3. Planned standard systemic therapy at the study site, with complete ER, PR, and HER2 immunohistochemistry results available;
  4. Voluntary participation with signed written informed consent.

Benign/Healthy control group:

  1. Healthy female volunteers, or female patients with breast fibroadenoma undergoing minimally invasive biopsy during the same period;
  2. Voluntary participation with signed written informed consent.

Exclusion Criteria:

For prospective breast cancer cohorts:

  1. History of mastitis, or systemic rheumatic/autoimmune diseases (e.g., systemic lupus erythematosus, rheumatoid arthritis);
  2. Acute or chronic infectious diseases within the past 6 months (e.g., pneumonia, pulmonary tuberculosis, active hepatitis);
  3. Long-term use of glucocorticoids, immunosuppressants, biologic agents, or psychotropic medications (short-term or as-needed use excepted);
  4. Inability or refusal to provide informed consent.

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 관찰 모델: COHORT
  • 시간 관점: OTHER

코호트 및 개입

그룹/코호트
Retrospective Pan-Cancer Cohort

Patients aged 18-80 years with histologically confirmed solid malignant tumors( e.g. non-small cell lung cancer, colorectal cancer, gastric cancer, hepatocellular carcinoma, or breast cancer), diagnosed at the study site between January 2020 and Sep 2026, with complete clinical data (TNM stage and treatment plan) and archived residual serum/plasma samples. Approximately 1,000 cases.

Prospective Neoadjuvant Chemotherapy (NAC) Breast Cancer Cohort

Women aged 18-80 years with clinically and pathologically confirmed non-metastatic (M0) breast cancer who plan to receive standard NAC at the study site, with complete pre-treatment ER, PR, and HER2 immunohistochemistry results. Planned enrollment: 800. Peripheral blood (20 mL) is collected before, during, and after NAC (pre-surgery), in addition to routine clinical data.

Prospective Benign/Control Group (Breast Fibroadenoma or Healthy Volunteers)

Patients with breast fibroadenoma undergoing minimally invasive biopsy during the same period, serving as benign controls to calibrate background signals of circulating antigens and liquid-biopsy analytes. Healthy female volunteers will also be enrolled. Planned enrollment: 100.

Prospective Metastatic Breast Cancer Cohort

Women aged 18-80 years with clinically and pathologically confirmed metastatic (M1) breast cancer who plan to receive standard systemic therapy at the study site, with complete ER, PR, and HER2 immunohistochemistry results.Planned enrollment: 100. Serial peripheral blood samples are collected before, during, and after treatment.

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Pathological Complete Response (pCR) Rate
기간: At definitive surgery after completion of NAC (approximately 4-6 months after NAC initiation)

Proportion of patients achieving pCR after completion of neoadjuvant chemotherapy, defined as ypT0/is ypN0 (no invasive cancer in the breast and ipsilateral axillary lymph nodes; ductal carcinoma in situ may be present), consistent with RCB-0.

At definitive surgery after completion of NAC (approximately 4-6 months after NAC initiation)

2차 결과 측정

결과 측정
측정값 설명
기간
Residual Cancer Burden (RCB) Class
기간: At definitive surgery after completion of NAC (approximately 4-6 months after NAC initiation)

RCB class (RCB-0, RCB-I, RCB-II, RCB-III) quantifying residual tumor in the breast and lymph nodes after neoadjuvant therapy, calculated using the internationally validated MD Anderson Cancer Center RCB calculator based on standardized pathological assessment of surgical specimens.

At definitive surgery after completion of NAC (approximately 4-6 months after NAC initiation)
Invasive Disease-Free Survival (iDFS)
기간: From enrollment until event or study end, assessed every 6 months (up to approximately 5 years)

Time from enrollment to the first occurrence of any of the following: ipsilateral invasive breast cancer recurrence, contralateral invasive breast cancer, distant metastasis, second primary non-breast invasive malignancy, or death from any cause (conservative definition including all deaths), per established consensus definitions. Follow-up includes clinical visits and imaging (breast ultrasound/MRI, chest-abdominal CT, bone scan as risk-stratified) every 6 months.

From enrollment until event or study end, assessed every 6 months (up to approximately 5 years)
Progression-Free Survival (PFS)
기간: From enrollment until event or study end (up to approximately 5 years)

Time from enrollment to the first radiographically confirmed disease progression (per RECIST 1.1) or death from any cause. This outcome is only available for M1 patients.

From enrollment until event or study end (up to approximately 5 years)
Overall Survival (OS)
기간: From enrollment until death or study end (up to approximately 5 years or longer)

Time from enrollment to death from any cause. Death events are confirmed by death certificates, hospital records, or national vital registration systems. Patients lost to follow-up are censored at the date of last contact.

From enrollment until death or study end (up to approximately 5 years or longer)

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

스폰서

협력자

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (실제)

2026년 10월 12일

기본 완료 (추정된)

2030년 6월 30일

연구 완료 (추정된)

2034년 12월 30일

연구 등록 날짜

최초 제출

2026년 10월 11일

QC 기준을 충족하는 최초 제출

2026년 10월 11일

처음 게시됨 (실제)

2026년 10월 19일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 11월 12일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 11월 9일

마지막으로 확인됨

2026년 11월 1일

추가 정보

이 연구와 관련된 용어

기타 연구 ID 번호

  • 2026-SSKY-048
  • 2026-SSKY-048 (기타 식별자: Shenshan Medical Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University)

개별 참가자 데이터(IPD) 계획

개별 참가자 데이터(IPD)를 공유할 계획입니까?

미정

IPD 계획 설명

De-identified individual participant data may be made available upon reasonable request to the corresponding investigator after publication of the primary results, subject to institutional and ethics committee approval.

약물 및 장치 정보, 연구 문서

미국 FDA 규제 의약품 연구

아니

미국 FDA 규제 기기 제품 연구

아니

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. .