Clinical trial · Observational
Clinical Relevance of Major Pathologic Regression for Locally Advanced Rectal Cancer
Clinical Relevance of the Major Pathologic Regression for Locally Advanced Rectal Cancer Following Neoadjuvant Chemoradiotherapy: A Multi-center Study
- 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)
We evaluated all related clinical and pathologic data of patients with Locally Advanced Rectal Cancer following Neoadjuvant Chemoradiotherapy, including the pathologic regression grading, and other histopathologic characteristics. Finally, the present study was aimed at (1) clarifying the clinical significance of the Major Pathologic Regression for Locally Advanced Rectal Cancer following Locally Advanced Rectal Cancer and (2) comparing different Neoadjuvant Chemoradiotherapy treatments of this uncommon disease through conducting a large, multi-center cohort study.
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 |
|---|---|---|---|
| Chemotherapy Effect | — | UNRESOLVED | — |
| Rectal Neoplasms | Rectal Neoplasm | ONTOLOGY_EXACT | 0.98 |
Interventions
Interventions (0)
Data not yet available
Design
Arms and outcomes
Arms (0)
[]Primary outcomes (2)
- measure
- PFS
- timeFrame
- 5 year
- description
- Progression free regression
- measure
- OS
- timeFrame
- 5 year
- description
- overall survival
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
- Maximum age
- 65 Years
Show eligibility criteria text
Inclusion Criteria: * Adults (≥18 years) diagnosed with locally advanced rectal adenocarcinoma (clinical stage II-III). Completion of NCRT followed by curative-intent surgery. Availability of pre- and post-treatment histopathologic data, including standardized regression grading and digitized whole-slide images (WSIs). Exclusion Criteria: * Metastatic disease at diagnosis. Incomplete clinical or pathologic records.
References
Publications (0)
Data not yet available