A Trial of Total Versus Partial Omentectomy for Advanced Gastric Cancer in Gastrectomy

NCT ID: NCT04108494

Last Updated: 2019-09-30

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

418 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-01-01

Study Completion Date

2025-12-31

Brief Summary

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The main purpose of this study is to evaluate the impact of omentectomy for advanced gastric cancer on patient survival.

Detailed Description

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Surgical resection is the mainstay of treatment for gastric cancer. The extent of surgical resection includes total or subtotal gastrectomy, D2 lymphadenectomy, and prophylactic or therapeutic resection of the surrounding organs or tissues (e.g., omentum, peritoneum, etc). However, the oncologic importance of omentectomy during gastrectomy remains unclear. The European guidelines do not give any advice regarding omentectomy, whereas the most recent American guidelines advise to resect both the greater and lesser omentum. Alternatively, the Japanese gastric cancer treatment guidelines recommends preservation of the greater omentum at \>3 cm from the gastroepiploic arcade for patients with T1-T2 tumors and total omentectomy for patients with T3-T4 tumors. In order to evaluate the impact of omentectomy for advanced gastric cancer on patient survival, we designed this trial. Patients who received curative gastrectomy were divided into two groups based on whether they underwent omentectomy. The primary endpoint is the 3-year relapse-free survival rate and the secondary endpoints are 5-year overall survival, and postoperative morbidity.

Conditions

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Gastric Cancer

Keywords

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Gastric Cancer Omentectomy Prognosis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Experimental group

D2 radical gastrectomy with partial omentectomy

Group Type EXPERIMENTAL

Type of omentectomy

Intervention Type PROCEDURE

Partial omentectomy with preservation of the greater omentum at \>3 cm from the gastroepiploic arcade.Control group with total omentectomy.

Control group

D2 radical gastrectomy with total omentectom

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Type of omentectomy

Partial omentectomy with preservation of the greater omentum at \>3 cm from the gastroepiploic arcade.Control group with total omentectomy.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

1. Had been treated with Radical resection (D2, R0) of gastric cancer (Lymph node≥16);
2. Physical condition and organ function allows to tolerable abdominal surgery;
3. Willing and able to comply with the program during the study period;
4. Written informed consent provided;
5. ≥ 18 and ≤ 70 years of age; preoperative gastric cancer patients with pathologically confirmed;
6. With more than a 6-month life expectancy;
7. No other serious concomitant diseases; Sufficient organ functions;
8. No previous history of chemotherapy or radiotherapy;
9. All patients accept 8 cycles XELOX chemotherapy regimen;
10. Clinical stage: T2-4aN0-+M0;
11. Macroscopic types :Borrmann I-III;
12. Not greater curvature tumor;
13. No previous surgery for any abdominal disease, except an appendectomy for appendicitis, a laparoscopic cholecystectomy for gallbladder stones; No previous history of peritonitis, pancreatitis;
14. Karnofsky performance status (KPS)\>60; Eastern Cooperative Oncology Group Performance Status (ECOG): 0-1.

Exclusion Criteria

1. Pregnancy or breast feeding;
2. Patients with Serious liver disease (such as cirrhosis, etc.), kidney disease, respiratory disease or uncontrolled diabetes, hypertension and other chronic systemic diseases, heart disease with Clinical symptoms, such as congestive heart failure, coronary heart disease symptoms, drug is difficult to control arrhythmia, hypertension, or six months had a myocardial infarction attack, or cardiac insufficiency;
3. Organ transplantation patients need immunosuppressive therapy;
4. Severe recurrent infections were not controlled or with other serious concomitant diseases;
5. Patients got other primary malignant tumors (except curable skin basal cell carcinoma and cervical cancer in situ) except gastric cancer within 5 years;
6. Psychiatric disease which require treatment;
7. Have the history of organ transplantation;
8. Within 6 months before study starts and in the process of this study, patients participate in other clinical researches.
9. Advanced gastric cancer with omentum invasion
10. Patients can't treated with XELOX after surgery;
11. Macroscopic types : Borrmann IV;
12. Tumor invasion of adjacent organ (T4b) or with distant metastasis(M1);
13. Tumor invasion the greater curvature invasion.
Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Tianjin Medical University Cancer Institute and Hospital

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Han Liang, Master

Role: STUDY_CHAIR

Tianjin Medical University Cancer Institute and Hospital

Locations

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Tianjin Medical University Cancer Hospital

Tianjin, Tianjin Municipality, China

Site Status RECRUITING

Countries

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China

Central Contacts

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Han Liang, Master

Role: CONTACT

Phone: +86 022 23340123

Email: [email protected]

Bin Ke, Doctor

Role: CONTACT

Phone: +86 13622036809

Email: [email protected]

Facility Contacts

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Han Liang, Master

Role: primary

Bin Ke, Doctor

Role: backup

Other Identifiers

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E2019054

Identifier Type: -

Identifier Source: org_study_id