Comparison of Vagus Nerve-preserving RADG and Conventional RADG for AGC

June 17, 2016 updated by: Yingxue Hao

Comparison of Vagus Nerve-preserving Robot-assisted Distal Gastrectomy (RADG) and Conventional Robot-assisted Distal Gastrectomy for Advanced Gastric Cancer (AGC)

Through comparative observation of robot vagus nerve preserving distal gastric cancer radical surgery and conventional robot distal gastric cancer radical surgery (not reserved vagus nerve) operative and postoperative indicators, and evaluating the feasibility and safety of vagus nerve preserving distal gastric cancer radical surgery in advanced gastric cancer. Which can provide the evidences for the clinical development of the preserving function gastric cancer surgery.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Unknown

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Compare the robot vagus nerve preserving distal gastric cancer radical surgery and conventional robot distal gastric cancer radical surgery (not reserved vagus nerve). Observe the operative and postoperative indicators, and evaluate the feasibility and safety of vagus nerve preserving distal gastric cancer radical surgery in advanced gastric cancer. Which can provide the evidences for the clinical development of the preserving function gastric cancer surgery.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Anticipated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
24

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Locations

  • China
    • Chongqing
      • Chongqing, Chongqing, China, 400038
        • Southwest Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years to 70 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  1. Male or female, aged less than 70 years and more than 18 years;
  2. Underwent gastroscopy and biopsy - preoperative definite for advanced gastric cancer invasion depth is T2, T3;
  3. The lesion is in the middle and lower stomach;
  4. Magix routine upper gastrointestinal barium meal, endoscopic ultrasonography, abdominal CT and chest X ray examination, clearly no nerve invasion and adjacent organ invasion and distant metastasis;
  5. The preoperative examination of lung, liver, heart, renal insufficiency, surgical contraindication;
  6. The preoperative abdominal CT or abdominal ultrasound without biliary disease and gallbladder stones;
  7. No history of gastrointestinal dysfunction and other malignant tumor history;
  8. The patients voluntarily participate in the study and signed informed consent.

Exclusion Criteria:

  1. Older than 70 years old or because of chemotherapy surgery and complications after intolerance;
  2. The vagus nerve invasion or invasion of adjacent organs or confirmed the presence of distant metastasis;
  3. Have a history of abdominal surgery or chemotherapy before surgery;
  4. The recent cardiovascular hemorrhagic or ischemic disease;
  5. The amount of abnormal glucose tolerance or diabetes;
  6. Not suitable for robotic surgery, such as body short that mechanical arm can not have enough activity range;
  7. The history of biliary calculi or gastrointestinal dysfunction;
  8. The other is not suitable for receiving robot surgery;
  9. Participated in other clinical studies in the last month;
  10. Other researchers not suitable for participation in the study of (HIV infection and intravenous drug addict), or other effects of this clinical study results analysis of the situation.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Non-Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: VPRDG for AGC
Vagus nerve-preserving Robot-assisted distal subtotal gastrectomy (VPRDG) with D2 lymphadenectomy will be performed for the treatment of patients assigned to this group.
Procedure: Vagus nerve-preserving Robot-assisted Gastrectomy
Active Comparator: CRDG FOR AGC
Conventional Robot-assisted distal subtotal gastrectomy (CRDG) with D2 lymphadenectomy without preserving vagus nerve will be performed for the treatment of patients assigned to this group.
Procedure: Conventional Robot-assisted Gastrectomy

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Recurrence rate
Time Frame: up to 36 months
Recurrence rate in 3 years after operating.
up to 36 months

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
3-years survival rate
Time Frame: up to 36 months
Survival rate in 3 years after operating.
up to 36 months
The rate of Calculus of gallbladder
Time Frame: up to 12 months
The rate of gallbladder calculus in 1 year after operating, which is diagnosed by ultrasound.
up to 12 months
Number of retrieving lymph nodes
Time Frame: up to 1 week
The number of dissecting lymph nodes during operating.
up to 1 week
Inflammatory factors
Time Frame: 6 h, 12 h, 24 h, and 72h after operating
Detecting Interleukin -10 (IL-10), C-reactive protein (CRP) and Tumor Necrosis Factor (TNF-a) in 6 h, 12 h, 24 h, and 72h after operating.
6 h, 12 h, 24 h, and 72h after operating

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Yingxue Hao

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Yingxue Hao, M.D., Southwest Hospital, Third Military Medical University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
July 1, 2016

Primary Completion (Anticipated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
December 1, 2017

Study Completion (Anticipated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
July 1, 2018

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
April 16, 2016

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
June 17, 2016

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
June 20, 2016

Study Record Updates

Last Update Posted (Estimate)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
June 20, 2016

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
June 17, 2016

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
June 1, 2016

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • RADG160416

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

Yes, the investigators can share the data with other.

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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