Clinical trial · Interventional
Randomized Clinical Trial on Preoperative Radiotherapy 25 Gy in Rectal Cancer
- 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 purpose of this study is to establish the influence of time-interval between preoperative hyperfractionated radiotherapy (5x5 Gy) and surgery on long term overall survival (5 years), local and distant recurrence rate, downstaging rate, sphincter saving procedures, radical resection rate (R0) in patients with locally advanced rectal cancer operated on according to TME technique. In particular 3D endosonography and 3rd generation ultrasonic contrast agents are evaluated to assess response to radiotherapy.
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Rectal Cancer | Malignant Rectal Neoplasm | CURATED_EXACT | 0.92 |
Interventions
Interventions (2)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Preoperative radiotherapy | Radiation | — | UNRESOLVED |
| Surgery | Procedure | — | UNRESOLVED |
Design
Arms and outcomes
Arms (2)
- type
- ACTIVE_COMPARATOR
- label
- Short time interval
- description
- Patients operated on 7-10 days after completing preoperative radiotherapy 5x5Gy.
- interventionNames
- Radiation: Preoperative radiotherapy
- Procedure: Surgery
- type
- EXPERIMENTAL
- label
- Long time interval
- description
- Patients operated on 4-5 weeks after completing preoperative radiotherapy 5x5Gy.
- interventionNames
- Radiation: Preoperative radiotherapy
- Procedure: Surgery
Primary outcomes (1)
- measure
- local and systemic recurrence rate
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
Show eligibility criteria text
Inclusion Criteria: * histologically confirmed rectal cancer * tumor localised in middle or lower rectum * age \> 18 years * locally advanced cancer Exclusion Criteria: * previous pelvis radiotherapy * lack of patient's consent * lack of possibility to begin radiotherapy during 14 days after inclusion to the study
References
Publications (5)
- RESULTPach R, Kulig J, Richter P, Gach T, Szura M, Kowalska T. Randomized clinical trial on preoperative radiotherapy 25 Gy in rectal cancer--treatment results at 5-year follow-up. Langenbecks Arch Surg. 2012 Jun;397(5):801-7. doi: 10.1007/s00423-011-0890-8. Epub 2011 Dec 15. PMID 22170083
- RESULTPach R, Kulig J, Richter P, Gach T, Szura M, Kowalska T. Erratum to: Randomized clinical trial on preoperative radiotherapy 25 Gy in rectal cancer-treatment results at 5 year follow-up. Langenbecks Arch Surg. 2019 Sep;404(Suppl 1):19-20. doi: 10.1007/s00423-012-0940-x. No abstract available. PMID 22398435
- RESULTPach R, Sierzega M, Szczepanik A, Popiela T, Richter P. Preoperative radiotherapy 5 x 5 Gy and short versus long interval between surgery for resectable rectal cancer: 10-Year follow-up of the randomised controlled trial. Radiother Oncol. 2021 Nov;164:268-274. doi: 10.1016/j.radonc.2021.10.006. Epub 2021 Oct 13. PMID 34653526
- RESULTPach R, Richter P, Sierzega M, Papp N, Szczepanik A. Preoperative Short-Course Radiotherapy and Surgery versus Surgery Alone for Patients with Rectal Cancer: A Propensity Score-Matched Analysis at 18-Year Follow-Up. Biomedicines. 2021 Jun 24;9(7):725. doi: 10.3390/biomedicines9070725. PMID 34202691
- RESULTPach R, Szczepanik AM, Sierzega M, Daniluk M, Richter P. Prognostic value of lymph node ratio in resectable rectal cancer after preoperative short-course radiotherapy-results from randomized clinical trial. Langenbecks Arch Surg. 2022 Nov;407(7):2969-2980. doi: 10.1007/s00423-022-02603-8. Epub 2022 Jul 4. PMID 35788774