Application of liquid biopsy technique to accurately predict the recurrence and metastasis of stage II-III colorectal cancer in the elderly

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2500099081

Enrollment

Unknown

Registered

2025-03-18

Start date

2022-08-06

Completion date

Unknown

Last updated

2025-03-24

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

Conditions

Colorectal cancer

Interventions

Those who develop recurrence and metastasis within the 2-year follow-up period after surgery:none

Those who have no recurrence or metastasis within the 2-year follow-up period after surgery:none

Eligibility

Sex/Gender

All

Age

65 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Pathologically confirmed primary colorectal adenocarcinoma, mucinous adenocarcinoma or signet ring cell carcinoma; 2. Age >= 65; 3. Clinical stage cII-cIII, i.e. T1-T4, N0 or N+; 4. No preoperative chemotherapy or radiotherapy; 5. Selective surgery for colorectal cancer;

Exclusion criteria

Exclusion criteria: 1. Multiple primary colon cancer or other primary malignant tumors at the same time; 2. Emergency surgery; 3. There was distant metastasis or implant metastasis in the abdominal cavity; 4. participat in other clinical studies.

Design outcomes

Primary

Measure	Time frame
minimal residual disease?circulating tumor cell;	—

Secondary

Measure	Time frame
circulating tumor microemboli;	—

Countries

China

Contacts

Public ContactHe Lei

beijing hospital

helei4361@bjhmoh.cn+86 152 1068 2448

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026