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Study on Efficacy and Safety of Continuous Chemotherapy or Conversion Surgery after Downstaging of Non-curative Factors by Chemotherapy for Initially Unresectable Advanced Gastric Cancer

Study on Efficacy and Safety of Continuous Chemotherapy or Conversion Surgery after Downstaging of Non-curative Factors by Chemotherapy for Initially Unresectable Advanced Gastric Cancer - Treatment after downstaging of non-curative factors by chemotherapy for gastric cancer

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000002801
Enrollment
60
Registered
2009-11-27
Start date
2009-11-01
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

Inoperable advanced gastric cancer

Interventions

None listed

Sponsors

Kanagawa cancer center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Histologically confirmed gastric cancer 2) Patients who have non-curative factors before chemotherapy and were diagnosed all the factors disappeared after chemotherapy 3) Age over 20 at registration 4) ECOG PS 0 to 1 5) Excluding for remnant gastric cancer 6) No history of gastrectomy 7) Tolerable for surgery with sufficient organ functions 8) Written informed consent for patients who need follow-up

Exclusion criteria

Exclusion criteria: 1) Serious comorbidities 2) Synchronous other cancer or metachronous other cancer within 5 years from onset, excluding curable early cancers with local treatment 3) Current inflammation or acute inflammatory disease 4) Female with present pregnancy or breast-feeding, or contemplating pregnancy. Male disagreeing with birth control 5) Mental disorders which may affect ability or willingness to provide informed consent of the study 6) History of severe drug allergy 7) Patients judged inappropriate for the study by the physicians

Design outcomes

Primary

MeasureTime frame
progression free survival

Secondary

MeasureTime frame
proportion of curative resection, proportion of pathological response, adverse event, overall survival

Countries

Japan

Contacts

Public ContactHaruhiko Cho

Kanagawa cancer center gastrointestinal surgery

choharuhiko@kcch.jp045-520-2222

Outcome results

None listed

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