Effect of Smart Phone App-based Human Coaching Program in Gastrectomized Patients

  • End date
    Jun 24, 2023
  • participants needed
  • sponsor
    National Cancer Center, Korea
Updated on 24 April 2022


This study is a single center, prospective, randomized controlled study. The aim of this study is to evaluate the effect of smart phone app-based human coaching program on QOL in patients who underwent gastrectomy for stage I gastric cancer. The hypothesis of this study is the patients who used smart phone app-based human coaching program for three months after surgery will have better QOL than patients who did not use it. The QOL will be assessed using EORTC QLQ C30 and STO22 at 3 months postoperatively. The secondary endpoints are QOL at 6 months postoperatively, 12 months postoperative, food intake, body composition, and nutritional indicators from blood test.


< Patient enrollment>

  • 90 patients in each group, a total of 180 patients
  • 1:1 Randomization using permutated mixed block randomization
  • stratified by surgical extent (distal gastrectomy vs. total gastrectomy)
  • using nQuery program and web-based management system
  • Before discharge, patients are informed how to use the smart phone app and registered to the app.
  • Patients use the app after discharge until 3 months postoperatively.

Condition Stage I Gastric Cancer
Treatment smart phone app based human coaching program
Clinical Study IdentifierNCT04394585
SponsorNational Cancer Center, Korea
Last Modified on24 April 2022


Yes No Not Sure

Inclusion Criteria

patient aged 19 or more
patient diagnosed as stage I in preoperative examination
planned distal gastrectomy or total gastrectomy
patient who can use smart phone app or whose family can help the
patient to use the smart phone app

Exclusion Criteria

disabled to communication
patient who cannot use smart phone app
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