Clinical trial · Observational
Second Primary Cancer and Early-onset Colorectal Cancer
Risk Factors, Cancer Types and Prognostic Significance of Second Primary Cancer Based on the Early-onset and Late-onset Colorectal Cancer
NCT06423924CI-TRIAL-00077357unknownClinicalTrials.gov clinicaltrialsProvenance
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
The objective of this study was to analyze the pathological factors influencing the occurrence and prognosis of SPC in CRC patients of varying ages and compare the differences in the patterns of SPC occurrence and prognosis among patients of different age groups.
Conditions
Conditions (2)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Colorectal Cancer | Malignant Colorectal Neoplasm | CURATED_BROADER | 0.80 |
| Second Primary Cancer | Second Primary Malignant Neoplasm | ALIAS | 0.90 |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| no intervention | Other | — | UNRESOLVED |
Design
Arms and outcomes
Arms (3)
- label
- <50 years
- interventionNames
- Other: no intervention
- label
- 50-69 years
- interventionNames
- Other: no intervention
- label
- ≥70 years
- interventionNames
- Other: no intervention
Primary outcomes (1)
- measure
- overall survival
- timeFrame
- The duration from the date of surgery to death for any reason or the last recorded follow-up, whichever comes first. Up to 100 months
- description
- The duration from the date of surgery to death for any reason or the last recorded follow-up, whichever comes first. Up to 100 months
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
- Maximum age
- 80 Years
Show eligibility criteria text
Inclusion Criteria: * Patients undergoing radical surgery for colorectal cancer at Fudan University Shanghai Cancer Center between January 2008 and December 2018. * Stage Ⅰ-Ⅳ colorectal cancer confirmed by clear pathological information Exclusion Criteria: * Previous history of other cancers before surgery * Patients under 18 years old or over 80 years old
References
Publications (0)
Data not yet available
No reference posted for this study.