- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03005314
Detection of Circulating Tumor Tells as The Guidance of the Neoadjuvant Chemotherapy of Esophageal Cancer
Esophageal carcinoma is a common digestive system tumor, with number of deaths ranking No. 4 in malignant tumors. Esophageal squamous cell carcinoma in stage Ⅱ, III is the most common in China. The esophageal cancer during these stages is no longer localized lesions, and cancer will be transferred to other organs of the body through blood transmission, leading to tumor metastasis, which is the main cause of the patients' death. The tumor cells invade the surrounding tissues of primary tumor cells and enter the blood and lymphatic system, thus the circulating tumor cells (CTC) is formed and transported to a distal tissue, then effusing, adapting to the new microenvironment and finally forming metastases through the process of seeding, proliferation and colonization.
Recently, the controversy of surgical treatment of esophageal carcinoma is concentrated on the neoadjuvant therapy during perioperative period. NCCN guideline of 2015 recommended that patients with esophageal squamous cell carcinoma in T1b, N + and T2-T4a, N0-N + may consider preoperative neoadjuvant therapy, but its supporting literature (David Cunningham 2006, Marc Ychou 2011 and P. van Hagen, 2013) includes patients with pathology of the type adenocarcinoma. The esophageal cancer treatment guidelines of Japan 2015 adopted the opinion of NCCN Guidelines, and recommended neoadjuvant chemotherapy and radical surgery as the standard treatment for stage II and III esophageal cancer patients based on the results of randomized controlled clinical trial JCOG9907. However, the guidelines also pointed out that the role of neoadjuvant chemotherapy for resectable T1-3N0-1M0 cancers remains unclear according to the results of some meta-analysis.
The investigators choose the detection of peripheral venous blood CTCs and the disease-free survival as the main index, to compare the treatment effect of patients, those received neoadjuvant therapy, surgery and those received directly surgery, postoperative chemotherapy with esophageal squamous cell carcinoma in stage Ⅱ, III by means of evidence-based medicine; Define the indication of neoadjuvant chemotherapy in the treatment of esophageal squamous cell carcinoma in stage Ⅱ, III; Draft the solution to evaluate the treatment effect of neoadjuvant chemotherapy to esophageal cancer in stage Ⅱ, III, and the indication of neoadjuvant chemotherapy by test the peripheral venous blood CTCs and join the Chinese clinical guideline.
Study Overview
Status
Intervention / Treatment
Detailed Description
Background Esophageal carcinoma is a common digestive system tumor, with number of deaths ranking No. 4 in malignant tumors. Surgery is the preferred method of treatment for esophageal cancer, but the local recurrence rate is as high as between 40% and 60%, and 5-year overall survival is only about 30%. Most of esophageal cancers are found in the middle and late stage, losing the chance of operation. Esophageal squamous cell carcinoma in stage Ⅱ, III is the most common in China. The esophageal cancer during these stages is no longer localized lesions, and cancer will be transferred to other organs of the body through blood transmission, leading to tumor metastasis, which is the main cause of the patients' death. The tumor cells invade the surrounding tissues of primary tumor cells and enter the blood and lymphatic system, thus the circulating tumor cells (CTC) is formed and transported to a distal tissue, then effusing, adapting to the new microenvironment and finally forming metastases through the process of seeding, proliferation and colonization. In recent years, as liquid pathology, CTCs are used for several studies of tumor, including the auxiliary diagnosis, recurrence and metastasis detection, prognosis, individualized treatment, medical screening, development of new targeted cancer therapy drugs, searching for a new target for cancer therapy, exploring the mechanism of drug resistance, etc.
Recently, the controversy of surgical treatment of esophageal carcinoma is concentrated on the neoadjuvant therapy during perioperative period. Neoadjuvant therapy has been widely studied in recent years. Compared to the postoperative radiochemotherapy,the preoperative chemotherapy is less toxic and better tolerated. Pure radiotherapy could only work on the local tumor, yet without lethal effect towards micrometastases and CTCs. Studies have shown that neoadjuvant radiotherapy can only improve the resection rate, but could not prolong the patient's survival; the advantages of neoadjuvant chemotherapy include: 1. lower tumor stage, reduce tumor volume , and increase the resection rate; 2. control and treat the tiny metastasis, reduce the recurrence rate; 3. chemotherapeutic drugs can reach to tumor issues with sufficient amount , through the undamaged blood supply system; 4. assess the chemosensitivity of drug in body to guide postoperative treatment.
NCCN guideline of 2015 recommended that patients with esophageal squamous cell carcinoma in T1b, N + and T2-T4a, N0-N + may consider preoperative neoadjuvant therapy, but its supporting literature (David Cunningham 2006, Marc Ychou 2011 and P. van Hagen, 2013) includes patients with pathology of the type adenocarcinoma. The esophageal cancer treatment guidelines of Japan 2015 adopted the opinion of NCCN Guidelines, and recommended neoadjuvant chemotherapy and radical surgery as the standard treatment for stage II and III esophageal cancer patients based on the results of randomized controlled clinical trial JCOG9907. However, the guidelines also pointed out that the role of neoadjuvant chemotherapy for resectable T1-3N0-1M0 cancers remains unclear according to the results of some meta-analysis. But at least for the present studies, compared to direct surgery group, the patients received neoadjuvant therapy did not show inferior effect at aspects such as radical surgery, postoperative complications, disease-free survival and overall survival.
The effect and necessity of neoadjuvant chemotherapy to esophageal squamous cell carcinoma patients in stage Ⅱ, Ⅲ, and its influence to disease-free survival still lack authoritative evidence-based medical support, is a clinical urgency need to be solved.
Research objectives Choose the detection of peripheral venous blood CTCs and the disease-free survival as the main index, to compare the treatment effect of patients, those received neoadjuvant therapy, surgery and those received directly surgery, postoperative chemotherapy with esophageal squamous cell carcinoma in stage Ⅱ, III by means of evidence-based medicine; Define the indication of neoadjuvant chemotherapy in the treatment of esophageal squamous cell carcinoma in stage Ⅱ, III; Draft the solution to evaluate the treatment effect of neoadjuvant chemotherapy to esophageal cancer in stage Ⅱ, III, and the indication of neoadjuvant chemotherapy by test the peripheral venous blood CTCs and join the Chinese clinical guideline.
Main research content:
Design dual-center (Second Hospital of Shandong University and Shandong Cancer Hospital Affiliated to Shandong University) prospective clinical contrast trials by selecting the preoperative patients with esophageal squamous cell carcinoma in clinical stage Ⅱ, III. Complete the work of patients screening, informed consent, preoperative preparation, surgery, neoadjuvant chemotherapy and follow-up visits under the guide of Standardized treatment program. Detect the CTCs by extract the peripheral venous blood at the time of the day before initial treatment (neoadjuvant chemotherapy or surgery), one week after surgery and the follow-up visits of 3 months, 6 months, 1 year, 2years after surgery. The main evaluation index of the study is the change of CTCs in peripheral blood and the survival period of disease-free of patients, with secondary evaluation index including the surgery effect, pathology, recurrence rate of the patients, long-term survival as well as other prognostic indicators. Assess the guidance of CTCs detection towards neoadjuvant chemotherapy in the treatment of esophageal squamous carcinoma in stage Ⅱ, III.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Yunpeng Zhao, doctor
- Phone Number: +8618766188692
- Email: zyp_baggio@163.com
Study Locations
-
-
Shandong
-
Jinan, Shandong, China, 250033
- Recruiting
- The Second Hospital of Shandong University
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- histologically proven squamous cell carcinoma of the thoracic esophagus;clinical stage II or III excluding T4 disease
- resectable disease; ECOG performance status of 0 to 2
- no previous chemo- or radiotherapy for any malignancies
- sufficient organ function.
Exclusion Criteria:
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Surgery
Postoperative chemotherapy group
|
chemotherapy after surgery
|
Other: Chemotherapy
Preoperative chemotherapy group
|
chemotherapy before surgery
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
progression- free survival
Time Frame: through study completion, an average of 2-3 year
|
survival without recurrence or metastasis
|
through study completion, an average of 2-3 year
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
overall survival
Time Frame: through study completion, an average of 5 year
|
postoperation to death
|
through study completion, an average of 5 year
|
Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Xiaogang Zhao, Doctor, The Second Hospital of Shandong University
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2016YFC0106005
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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