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CompletedNCT02892643Updated Jan 6, 2021

Comparison of Laparoscopic Proximal Gastrectomy and Laparoscopic Total Gastrectomy

An interventional study of Laparoscopic proximal gastrectomy and Laparoscopic total gastrectomy in Gastric Cancer, sponsored by Seoul National University Bundang Hospital. Completed at 16 sites in Korea, Republic of. Open to participants aged 20 Years to 80 Years. Per ClinicalTrials.gov, last updated 2021-01-06.

Sponsored by Seoul National University Bundang Hospital · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
138
Allocation
Randomized
Ages
20 Years to 80 Years
Sex
All
01

Study summary

Experimental: Laparoscopic proximal gastrectomy Laparoscopy proximal gastrectomy with esophago-jejunostomy, gastro-jejunostomy and jejuno-jejunostomy (double tract reconstruction). Systemic en bloc lymph node dissection is mandatory. Resection margin should be negative for malignancy with intraoperative frozen biopsy.

Active Comparator: Laparoscopic total gastrectomy Laparoscopic total gastrectomy with esophago-jejunostomy and jejuno-jejunostomy (Roux-en-Y reconstruction). Systemic en bloc lymph node dissection is mandatory. Resection margin should be negative for malignancy with intraoperative frozen biopsy.

Read the detailed description

Participating Surgeons Prior to this clinical trial, only the surgeons who are considered to have the standardization by review committee participated.

Patients Registration It is required to ensure that the patients meet the inclusion criteria for this clinical trial, are free from any items of exclusion criteria, are explained about the participation in the clinical trial along with the informed consent forms.

After rechecking the patients with the registration check list by accessing the web-based randomized program provided from Seoul National University Bundang Hospital Medical Research Collaborating Center.

Each group 69 patients, total 138 subjects will be enrolled. Randomization The registration randomization should be done with 1:1 ratio for each researcher.

Baseline number (BN) should be provided to the subjects in the order of acquisition of informed consent form. Based on the subjects who are selected as the appropriate subjects in the end, the allocation number (AN) shall be provided in the order of randomized allocation table.

Procedure Operations are performed according to the allocated group.

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Conditions studied

  • Gastric Cancer

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03

In context

Stomach Neoplasms

2,851 studies on the registry are indexed under Stomach Neoplasms; 864 are open to participants now.

This study's enrollment of 138 is above the median of 67 across 2,096 interventional studies indexed under Stomach Neoplasms.

Browse Stomach Neoplasms studies →

Lead sponsor

Seoul National University Bundang Hospital is the lead sponsor of 368 studies on the registry; 55 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
20 Years to 80 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Patients are included in the trial if they meet all of the following criteria:

Histologically proven adenocarcinoma through endoscopic biopsy Aged 20-80 years old Written signed informed consent No other malignancies Proximal gastric cancer met by following conditions ; Lesion located on proximal stomach (upper one third) Lesion below 5cm in size Lesion confined to mucosa or submucosa (cT1) No evidence of metastatic enlarged LN on #5, 6, 4d, 10 basins and other distant metastasis.

Performance status (PS) of 0 or 1 on Eastern Cooperative Oncology Group (ECOG) scale Performance status (PS) of I to III on American Society of Anesthesiologists (ASA) score

Exclusion criteria

Exclusion Criteria:

  • Patients are excluded if they meet any of the following criteria:

History of anemia Patients who need total gastrectomy History of pre-operative chemotherapy or radiation therapy for gastric cancer Patients who need combined resection (except cholecystectomy) Presence of other malignancies Prior treatment against systemic inflammatory disease Previous gastric surgery Vulnerable patients (lack of decision-making capacity, pregnant, or breast-feeding women)

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Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
138 participants (actual)

Study arms

  • Experimental
    Laparoscopic proximal gastrectomy

    Laparoscopy proximal gastrectomy with esophago-jejunostomy, gastro-jejunostomy and jejuno-jejunostomy (double tract reconstruction). Systemic en bloc lymph node dissection is mandatory. Resection margin should be negative for malignancy with intraoperative frozen biopsy.

    Procedure: Laparoscopic proximal gastrectomy

  • Active comparator
    Laparoscopic total gastrectomy

    Laparoscopic total gastrectomy with esophago-jejunostomy and jejuno-jejunostomy (Roux-en-Y reconstruction). Systemic en bloc lymph node dissection is mandatory. Resection margin should be negative for malignancy with intraoperative frozen biopsy.

    Procedure: Laparoscopic total gastrectomy

Interventions

  • ProcedureLaparoscopic proximal gastrectomy

    Laparoscopy proximal gastrectomy with esophago-jejunostomy, gastro-jejunostomy and jejuno-jejunostomy (double tract reconstruction). Systemic en bloc lymph node dissection is mandatory. Resection margin should be negative for malignancy with intraoperative frozen biopsy.

  • ProcedureLaparoscopic total gastrectomy

    Laparoscopic total gastrectomy with esophago-jejunostomy and jejuno-jejunostomy (Roux-en-Y reconstruction). Systemic en bloc lymph node dissection is mandatory. Resection margin should be negative for malignancy with intraoperative frozen biopsy.

06

What researchers measure

Primary outcomes

  1. Change of Hemoglobin

    from blood sample

    Time frame: up to 2 years postoperatively

  2. Vitamin B12 cumulative supplement quantity

    from blood sample

    Time frame: up to 2 years postoperatively

Secondary outcomes

  1. Operative morbidity

    Complications occuring after operation

    Time frame: 30 days for early morbidity

  2. Operative mortality

    Mortality after operation

    Time frame: mortality for 90 days

  3. QOL measurement

    EORTC C30/STO22

    Time frame: 6 month, 1 year, 2 year, postoperatively

  4. Reflux esophagitis

    assessed by Visick score and endoscopic grading according to LA classification

    Time frame: check at every 12 months up to 2 years postoperatively

  5. Relapse-free survival

    Relapse-free survival

    Time frame: 2 years postoperatively

  6. Overall survival

    Overall survival

    Time frame: 2 years postoperatively

07

Study locations

16 sites
  • Soonchunhyang University Bucheon Hospital
    Bucheon, Korea, Republic of
  • Dong-A University Hospital
    Busan, Korea, Republic of
  • Dankook University Hospital
    Cheonan, Korea, Republic of
  • Keimyung University Hospital
    Daegu, Korea, Republic of
  • Chungnam National University Hospital
    Daejeon, Korea, Republic of
  • Eulji University Hospital, Deajon
    Daejeon, Korea, Republic of
  • Chonnam National University Hospital
    Hwasun, Korea, Republic of
  • National Cancer Center
    Ilsan, Korea, Republic of
  • Pusan National University Hospital
    Pusan, Korea, Republic of
  • Seoul National University Bundang Hospital
    Seongnam, Korea, Republic of
  • Ewha Womans University Medical Center
    Seoul, Korea, Republic of
  • Seoul National University Hospital
    Seoul, Korea, Republic of
  • Seoul St. Mary's Hospital
    Seoul, Korea, Republic of
  • Yeouido St. Mary's Hospital
    Seoul, Korea, Republic of
  • Yonsei University Severance Hospital
    Seoul, Korea, Republic of
  • Ajou University Hospital
    Suwon, Korea, Republic of
08

References and documents

Publications

  • Hwang SH, Park DJ, Kim HH, Hyung WJ, Hur H, Yang HK, Lee HJ, Kim HI, Kong SH, Kim YW, Lee HH, Kim BS, Park YK, Lee YJ, Ahn SH, Lee IS, Suh YS, Park JH, Ahn S, Han SU. Short-Term Outcomes of Laparoscopic Proximal Gastrectomy With Double-Tract Reconstruction Versus Laparoscopic Total Gastrectomy for Upper Early Gastric Cancer: A KLASS 05 Randomized Clinical Trial. J Gastric Cancer. 2022 Apr;22(2):94-106. doi: 10.5230/jgc.2022.22.e8. PubMed 35534447 ↗

Individual participant data

Plan to share: Undecided

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jan 6, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT02892643
Lead sponsor
Seoul National University Bundang Hospital
Responsible party
Do Joong Park (M.D., Ph.D., Seoul National University Bundang Hospital) — Principal investigator
First posted
Sep 8, 2016
Start date
Oct 27, 2016
Primary completion
Sep 17, 2018
Completion
Sep 17, 2020
Last update
Jan 6, 2021

Oversight

Data monitoring committee
Yes
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Jan 2021. You cannot join it, but the record below documents what was studied.

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