Colorectal cancer diagnosed before the usual screening age

Early-Onset Colorectal Cancer Patients Too Young for Screening: Outcomes and Treatment Patterns

Observational Methodist Health System · NCT07559825

This study uses national cancer registries to see if people diagnosed with colorectal cancer before age 35 present with more advanced disease but live longer than older patients.

Quick facts

Study typeObservational
Enrollment100 (estimated)
Ages35 Years and up
SexAll
SponsorMethodist Health System Academic / other
Locations1 site (Dallas, Texas)
Trial IDNCT07559825 on ClinicalTrials.gov

What this trial studies

This population-based retrospective analysis uses the SEER registry and the National Cancer Data Base to compare patients diagnosed with colorectal cancer before age 35 to those diagnosed at older ages. Investigators will examine stage at presentation, insurance status at diagnosis, treatment patterns by stage, and cancer-specific survival adjusted for relevant covariates. The hypothesis is that younger patients present with more advanced disease but have longer survival because they receive more aggressive therapy. Results are derived from registry records and statistical analyses rather than prospective patient visits.

Who should consider this trial

Good fit: People with a confirmed diagnosis of colorectal cancer, particularly those diagnosed before age 35, are the focus of this analysis.

Not a fit: People without colorectal cancer will not directly benefit from this registry analysis.

Why it matters

Potential benefit: If differences by age are confirmed, the findings could help inform screening recommendations and guide treatment planning for younger patients with colorectal cancer.

How similar studies have performed: Prior registry-based studies have documented rising incidence and distinct features of early-onset colorectal cancer, so this comparative registry approach is established though specific age-focused outcomes remain an active area of research.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Colorectal cancer

Exclusion Criteria:

* No Colorectal cancer

Where this trial is running

Dallas, Texas

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Colorectal Cancer
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.