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

Status

Not yet recruiting

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT06423924

Enrollment

10000

Registered

2024-05-21

Start date

2024-05-11

Completion date

2024-06-01

Last updated

2024-05-21

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

Conditions

Colorectal Cancer, Second Primary Cancer

Brief summary

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.

Interventions

OTHERno intervention

no intervention

Study design

Observational model

COHORT

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to 80 Years

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

Design outcomes

Primary

Measure	Time frame	Description
overall survival	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	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

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026