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A liquid biopsy study of recurrent gastric/gastroesophageal junction cancer

Liquid biopsy research to identify tumor GEnomic profiling of recurrent gastric or gastroesophageal junction cancer by Analyzing circulating tumoR DNA:Liquid-GEAR trial - Liquid-GEAR trial

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000043080
Enrollment
50
Registered
2021-01-21
Start date
2021-01-21
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

gastric or gastroesophageal junction cancer

Interventions

None listed

Sponsors

St.Marianna University School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Age 20 years or older at the time of obtaining consent. (2) Patients must have gastric cancer or gastroesophageal junction cancer pathologically diagnosed as adenocarcinoma. (3) The patient has been diagnosed as Stage II or Stage III (Cancer Treatment Code, 15th Edition) and has received adjuvant chemotherapy after radical resection. (4) The patient has been diagnosed with gastric cancer recurrence by imaging examination and is scheduled to receive anticancer drug therapy for the recurrent lesion. (5) Tumor tissue from the primary tumor site is available for gene panel testing. (6) Written consent has been obtained.

Exclusion criteria

Exclusion criteria: (1) Has other malignancy (excluding intraepithelial cancer) within 2 years. (2) The patient is not expected to survive for more than 12 weeks. (3) The principal investigator judges that participation in this study is inappropriate.

Design outcomes

Primary

MeasureTime frame
The detection rate of therapeutic target genetic alterations in ctDNA

Secondary

MeasureTime frame
The genetic profiles detected by ctDNA The genetic profile obtained by gene panel test using primary tumor tissue. Time from resection of the primary tumor to detection of recurrence. Progression-free survival and response rate for each treatment. Overall survival from the initiation of first-line chemotherapy.

Countries

Japan

Contacts

Public ContactHiroyuki Takeda

St.Marianna University School of Medicine Clinical Oncology

hiroyuki.takeda@marianna-u.ac.jp044-977-8111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026