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正在招募II 期编号 NCT07517107

Dynamic Circulating Tumor DNA Monitoring to Guide Systemic Therapy in Gastric Cancer

报名条件（概要）

  • 年龄：18 Years – 不限
  • 性别：不限
  • 健康志愿者：不接受

完整入排标准请以官方页面为准。

开展国家/地区

China

药品与企业信息

Circulating Tumor DNA (ctDNA) Analysis诊断检测

Plasma circulating tumor DNA (ctDNA) will be analyzed using a targeted next-generation sequencing panel to assess tumor-specific genetic alterations. Blood samples will be collected at predefined time points during treatment. ctDNA dynamics, including clearance or changes in mutation allele frequency, will be used to evaluate molecular response and guide treatment decisions within standard-of-care options.

Standard Systemic Therapy for Gastric Cancer药物

Participants will receive guideline-recommended systemic treatment according to disease stage and clinical practice, including neoadjuvant or conversion therapy, adjuvant chemotherapy, or systemic therapy for advanced disease. Treatment regimens may include fluoropyrimidine- and platinum-based chemotherapy, with or without PD-1 inhibitors or other standard agents. All treatments are administered according to standard-of-care and are not investigational.

研发企业

Fudan University研究机构/其他

试验官方登记的主要申办方；研究机构申办时会显示相应机构名称。

生产企业

公开药品批准资料或正式说明书暂未提供明确的生产企业信息。

研发企业与生产企业可能不是同一家。研究阶段药品可能尚未公布生产企业；生产企业仅取自美国上市原研药说明书所列企业（不含仿制药），不作推测；仅在其他国家上市的药品暂无法显示。

研究简介（原文）

This study aims to evaluate the clinical value of circulating tumor DNA (ctDNA) as a minimally invasive biomarker for monitoring treatment response and guiding systemic therapy in patients with gastric or gastroesophageal junction adenocarcinoma. Gastric cancer is often diagnosed at an advanced stage and shows substantial biological heterogeneity. Current treatment decisions mainly rely on imaging and clinical assessment, which may not reflect early molecular changes or minimal residual disease. Circulating tumor DNA, released from tumor cells into the bloodstream, can provide real-time information on tumor burden and treatment response through simple blood sampling. This is a prospective, open-label, phase II exploratory study conducted at a single center. Patients will be enrolled into three clinical cohorts according to their treatment stage: (1) neoadjuvant or conversion therapy cohort, (2) adjuvant therapy cohort after curative surgery, and (3) advanced or metastatic disease cohort receiving systemic therapy. Blood samples for ctDNA analysis will be collected before treatment and at predefined time points during treatment. The study will assess whether changes in ctDNA levels, including ctDNA clearance or reduction, are associated with treatment response, recurrence risk, and survival outcomes. In selected validation phases, treatment strategies may be adjusted based on ctDNA results, while all treatments remain within standard guideline-recommended regimens. The results of this study may help determine whether ctDNA can be used as a practical tool to improve treatment monitoring and support more personalized management of gastric cancer.

适应症

Gastric Cancer

主动联系研究团队

总联系人（申办方／研究总部）

中国／港澳台研究中心

问自己是否符合条件、如何预筛

我的病情档案

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英文版（发给研究团队）

Dear Study Team,

I am a patient in China and I am interested in participating in your clinical trial:

Study Title: Dynamic Circulating Tumor DNA Monitoring to Guide Systemic Therapy in Gastric Cancer
ClinicalTrials.gov Identifier: NCT07517107
Sponsor: Fudan University
Investigational product: Circulating Tumor DNA (ctDNA) Analysis, Standard Systemic Therapy for Gastric Cancer

About me:
- Age: (please fill in)
- Sex: (please fill in)
- Confirmed diagnosis and stage: (please fill in)
- Biomarkers / genetic testing: not available
- Prior and current treatments: (please fill in)
- Performance status (ECOG): not assessed
- Current location: China
- Travel ability: (please fill in)

Could you please let me know:
1. Whether I might be eligible for this study;
2. Which site would be closest and most practical for me, and whether remote pre-screening is possible;
3. What documents (medical records, pathology or imaging reports, recent labs) I should prepare for pre-screening.

I can provide English translations of my medical records. Thank you very much for your time and help.

Kind regards,
(your name)
(your email / phone with country code)

中文对照（供您核对）

尊敬的研究团队：

我是一位来自中国的患者，希望咨询参加以下临床试验的可能：

研究名称：Dynamic Circulating Tumor DNA Monitoring to Guide Systemic Therapy in Gastric Cancer
试验编号：NCT07517107
申办方：Fudan University
研究药物：Circulating Tumor DNA (ctDNA) Analysis、Standard Systemic Therapy for Gastric Cancer

我的基本情况：
- 年龄：（请填写）
- 性别：（请填写）
- 确诊疾病与分期：（请填写）
- 基因／标志物检测：暂无
- 既往及当前治疗：（请填写）
- 体能状态（ECOG）：未评估
- 目前所在城市：中国
- 可前往范围：（请填写）

想请教三个问题：
1. 我是否可能符合本研究的入组标准？
2. 哪个中心对我最方便可行？能否远程预筛？
3. 预筛需要准备哪些资料（病历、病理、影像、近期化验）？

我可以提供英文翻译版病历。感谢您的时间与帮助。

顺祝安康
（您的姓名）
（您的邮箱／带国际区号的电话）
用邮件客户端发送给 guoweijian1@hotmail.com

提示：请与主治医生一起发信——由医生署名的申请，回复率远高于患者单独发信。首封邮件不要附身份证号等敏感信息。研究团队通常在 3–10 个工作日内回复，两周无回音可礼貌追问一次。

下一步怎么做？

  1. 把本页信息带给您的主治医生，评估是否适合参加。
  2. 点击下方按钮打开官方注册页，查看研究中心联系方式。
  3. 直接联系研究团队咨询报名事宜（通常有中文同声翻译服务可协助沟通）。
在 ClinicalTrials.gov 查看官方页面