An observational study in Stomach Neoplasm, sponsored by Fondazione Policlinico Universitario Agostino Gemelli IRCCS. Recruiting at 1 site in Italy. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2025-04-11.
Sponsored by Fondazione Policlinico Universitario Agostino Gemelli IRCCS · Observational
The goal of this observational, no-profit, spontaneous, retrospective, monocentric study is to compare surgical and oncologic outcomes in patients affected by gastric cancer before and after the institution of the Tumor Board, a multidisciplinary weekly case discussion. The main question it aims to answer is whether the Textbook Outcome (TO) and Textbook Oncological Outcome (TOO) of patients with non-early, non-metastatic gastric cancer undergoing surgical treatment with curative intent have improved before (from January 2018 to November 2019) and after (from December 2019 onwards) the establishment of the Multidisciplinary Tumor Board (MTB) at Fondazione Policlinico Gemelli (FPG).
Background. Textbook Outcome (TO) is a composite parameter for quality in surgical oncology proposed by the Dutch Upper Gastrointestinal Cancer Audit (DUCA) group, directly related to survival [1]. A Polish group proposed an integration to the TO, adding the item perioperative chemotherapy administration compliance (POC), for a comprehensive assessment of multimodal treatment in gastric cancer (GaC) patients' management, named Textbook Oncological Outcome (TOO) [2]. This has been subsequently validated in the European GASTRODATA database [3], showing a correlation with lower 90-day mortality rates. The latter study acknowledges a TO of 68.5%, higher than previous experiences reported from the Western world, while reporting a TOO of only 22.8%, pointing out the need to improve multimodal treatment of GC patients.
To evaluate any influence of systematic Multidisciplinary Tumor Board (MTB) on patient outcomes, we aim to assess TO, TOO, Time from first diagnosis To first Therapy (TTT), the appropriateness of Patient to Treatment Allocation (PTA), and MTB hospital Adherence (TBA) as indicators of Tumor Board Performance (TBP) before and after its institution. At Policlinico Universitario Agostino Gemelli, the MTB for GaC was established in November 2019. We will collect data from 2018 to date in order to minimize bias due to different perioperative regimens.
Hypothesis. We hypothesize a global improvement in GaC patients' TO and TOO following the institution of the MTB.
Objectives. The study's primary objective is to evaluate the Textbook Outcome (TO) and Textbook Oncological Outcome (TOO) of patients with gastric cancer undergoing surgical treatment with curative intent before (from January 2018 to November 2019) and after (from December 2019 onwards) the establishment of the Multidisciplinary Tumor Board (MTB) at Fondazione Policlinico Gemelli (FPG) (primary endpoint: percentage of patients achieving TO and TOO out of the total number of patients who underwent surgery with curative intent for gastric cancer at FPG before and after the MTB institution). Secondary objectives include assessing Tumor Board Performance (TBP) by measuring: - Time from diagnosis To Treatment, the interval between diagnosis and beginning of the first oncological treatment (TTT; endpoint: delay in days/weeks from diagnosis to treatment before and after MTB institution), - Patient to Treatment Allocation (PTA; endpoint: percentage of upfront surgery candidates who do not receive adjuvant chemotherapy before and after MTB institution) and - Tumor Board Adherence (TBA; endpoint: percentage of patients operated on at FPG who were previously discussed at the MTB out of the total number of patients who underwent surgery with curative intent for gastric cancer at FPG).
Methods. We will review clinical, pathological, surgical and oncological data of patients affected by Gastric Cancer candidated for surgical intervention -either upfront, either post neoadjuvant treatment, either in conversion surgery- with curative intent for primary and secondary outcomes.
Expected results. This study aims to demonstrate an improvement in Gastric Cancer patients' outcomes, such as Textbook Outcome (TO) and Textbook Oncological Outcome (TOO), following the establishment of the MTB. Additionally, we anticipate enhanced Tumor Board Performance over time, thanks to the improvements of Time from Diagnosis to Treatment (TTT), Tumor Board Adherence (TBA), and Patient to Treatment Allocation (PTA), attributable to a learning effect.
2,851 studies on the registry are indexed under Stomach Neoplasms; 864 are open to participants now.
This study's planned enrollment of 250 is close to the median of 274 across 670 observational studies indexed under Stomach Neoplasms.
Browse Stomach Neoplasms studies →Fondazione Policlinico Universitario Agostino Gemelli IRCCS is the lead sponsor of 920 studies on the registry; 529 are open to participants now.
Counted across the registry records on this site, refreshed daily.
All subsequent patients aged 18 years or older, surgical candidates with curative intent, with a pathology-confirmed diagnosis of gastric adenocarcinoma, treated at Fondazione Policlinico Universitario Agostino Gemelli IRCCS of Rome from 2018 to date.
Exclusion Criteria:
All subsequent patients aged 18 years or older, surgical candidates with curative intent, with a pathology-confirmed diagnosis of gastric adenocarcinoma, treated at Fondazione Policlinico Universitario Agostino Gemelli IRCCS of Rome from jan 2018 to november 2019
All subsequent patients aged 18 years or older, surgical candidates with curative intent, with a pathology-confirmed diagnosis of gastric adenocarcinoma, treated at Fondazione Policlinico Universitario Agostino Gemelli IRCCS of Rome from december 2019 onwards
Other: Multidisciplinary Tumor Board
Institution of Multidisciplinary Tumor Board for Gastric Cancer at Fondazione Policlinico Gemelli in november 2019
Textbook Outcome (TO)
fulfillment of 10 items consisting in (1) radical resection according to the surgeons' assessment at the end of the operation, (2) no intraoperative complications, (3) negative resection margins (R0), (4) at least 15 lymph nodes (LNs) retrieved and examined, (5) no severe postoperative complications, (6) no reinterventions, (7) no readmission to intensive care unit (ICU), (8) no prolonged hospital stay (21 days), (9) no postoperative mortality, and (10) no hospital readmission
Time frame: january 2018 - february 2024
Textbook Oncologic Outcome (TOO)
TOO is defined by the addition of PeriOperative Chemotherapy (POC) or Adjuvant chemoTherapy (AT) administration to the 10 TO items resulting in 11 items
Time frame: january 2018 - february 2024
Time To first Treatment (TTT)
TTT is defined as the interval from diagnosis to first treatment (first chemotherapy administration or radical surgery), the diagnosis will be traced to the date of final pathology of endoscopic biopsies; TTT will be subdivided in Staging Time (ST), time from first histology to completion of staging, and Waiting list Time (WT), time from last staging exam to first treatment
Time frame: january 2018 - february 2024
Patient to Treatment Allocation (PTA)
PTA appropriateness, indicated by the percentage of newly diagnosed patients undergoing upfront surgery who are not offered adjuvant therapy. This may be due to either early staging or because the patient is deemed unfit for systemic treatment. PTA will be calculated in patients aged 80y or younger, given that older patients less frequently receive neoadjuvant chemotherapy
Time frame: january 2018 - february 2024
Tumor Board Adherence (TBA)
TBA expressed as the percentage of patients who undergo surgery for Gastric Cancer at FPG after being discussed at the MTB over the totality of patients surgically treated for GaC at FPG
Time frame: january 2018 - february 2024
Plan to share: No
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Fondazione Policlinico Universitario Agostino Gemelli IRCCS