Clinical trial Recruiting at 1 site Observational Ages 18 and up

Using ICG imaging technology during surgery for advanced gastric cancer

Official title: [The iGreenGO Study]. Investigation About the Clinical Value of Indocyanine Green Imaging Fluorescence (NIR/ICG) Technology as a Modifier of Surgeon's Conduct During Curative Treatment of Advanced Gastric Cancer. Study Protocol for a Western, Observational, Prospective, Multicentric Study

Run by Niguarda Hospital · NCT04943484 · Data updated 2026-11-12

This study is testing if a special imaging technology can help surgeons perform better during operations for patients with advanced stomach cancer.

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment360 (estimated)
SponsorNiguarda Hospital
Academic / other
Drugs / interventionschemotherapy
Locations1 site (Milan, Italia)
StatusRecruiting
StartedJanuary 1, 2022
Main results expectedAugust 31, 2024
Study endsNovember 30, 2026
Registry record updatedApril 16, 2026
Trial IDNCT04943484 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults aged 18 and older with histologically confirmed advanced gastric adenocarcinoma eligible for gastrectomy.

Probably not a fit

Patients with distant metastasis or those who have had previous upper abdominal surgeries may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

The iGreenGO Study investigates the impact of near-infrared/indocyanine green (NIR/ICG) imaging technology on surgical procedures for patients with advanced gastric cancer. This observational study will involve a cohort of Western patients undergoing curative-intent gastrectomy with D2 lymphadenectomy, where ICG will be injected preoperatively to assess its effect on surgical conduct. The primary focus is to determine if the use of NIR/ICG leads to changes in surgical approach and to evaluate various clinical variables associated with these changes. Secondary endpoints include the number of lymph nodes retrieved and the incidence of complications post-surgery.

Why it matters

Potential benefit: If successful, this study could enhance surgical outcomes and improve the accuracy of cancer resections in patients with advanced gastric cancer.

How similar studies have gone: While the clinical value of NIR/ICG technology in this context is not fully established, similar imaging techniques have shown promise in other surgical oncology fields.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion criteria

* Age ≥ 18 years old
* Preoperative histologically proven adenocarcinoma of the upper, middle or lower part of the stomach.
* Advanced disease (Staged cT2-T4a, N0-3;M0 according to 8th edition of the AJCC TNM Staging System) at diagnosis, in which resection can be safely achieved by distal or total gastrectomy with D2 lymphadenectomy via a minimally invasive (laparoscopic or robotic) approach, either as first treatment or after neoadjuvant treatment
* No distant metastasis, no direct invasion of pancreas, spleen or other organs nearby in the preoperative and intraoperative examinations
* Written informed consent

Exclusion criteria

* Women during pregnancy or breast-feeding
* History of previous upper abdominal surgery (laparoscopic cholecystectomy will be allowed)
* History of previous gastrectomy, endoscopic mucosal resection or endoscopic submucosal dissection
* History of allergy to iodine agents
* Cancer located at the esophago-gastric junction (Siewert I, II, III tumors 29)
* Patients candidates to transthoracic esophagectomy, transhiatal extended gastrectomy or proximal gastrectomy
* History of previous neoadjuvant chemotherapy (except perioperative chemotherapy for gastric cancer) or radiotherapy

Where it's running

  • ASST GOM Niguarda
    Milan, Italia, Italy
    Recruiting

Study contacts

  • Principal investigator: Pietro M Lombardi, MD — Division of Minimally Invasive Surgical Oncology, Niguarda Cancer Center, ASST Grande Ospedale Metropolitano Niguarda
  • Study coordinator: Pietro M Lombardi, MD
  • Email: pietrom.lombardi@gmail.com
  • Phone: +39026444

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.