Real-world treatment patterns and outcomes in early-onset gastric/GEJ cancer: a bi-regional comparison between Thailand and the United States

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20260218004

Enrollment

Registered

2026-02-18

Start date

2026-02-12

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Early-onset gastric/GEJ cancer Early onset gastric/GEJ cancer Real-world Treatment patterns Outcomes

Interventions

Patients aged 18-50 years at the time of diagnosis. Diagnosed with gastric adenocarcinoma, all stages included Received treatment between January 1, 2017 - December 31, 2025

Prevention

Early-onset gastric/GEJ cancer (EOGC)

Eligibility

Sex/Gender

All

Age

18 Years to 50 Years

Inclusion criteria

Inclusion criteria: 1. Patients aged 18-50 years at the time of diagnosis 2. Diagnosed with gastric adenocarcinoma, all stages included 3. Received treatment at KCMH or Chonburi Hospital or Prapokklao Hospital or Massachusetts General Hospital between January 1, 2017 - December 31, 2025

Exclusion criteria

Exclusion criteria: Patients without histopathological confirmation of diagnosis

Design outcomes

Primary

Measure	Time frame
Overall survival Through end of follow-up or latest available follow-up. Time from date of diagnosis to death	—

Secondary

Measure	Time frame
Overall response rate Best overall response during the treatment course Proportion achieving CR/PR	—

Countries

Thailand

Contacts

Public ContactThapana Trakoolsirisak

Prapokklao Hospital

meen_meen_15@hotmail.com039319666

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026