Nonoperative management of rectal cancer after neoadjuvant therapy
Official title: Nordic ORgan Preservation Pilot Approach - A Nonrandomised Single-Arm Trial for Non-Operative Management of Rectal Cancer (NORPPA-1)
Run by Tampere University Hospital · NCT06328361 · Data updated 2026-11-12
This study is testing if people with rectal cancer who have a complete response to initial treatment can safely avoid surgery and still do well in terms of their health and quality of life.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 200 (estimated) |
| Sponsor | Tampere University Hospital Academic / other |
| Locations | 13 sites (Tallinn and 12 other locations) |
| Status | Recruiting |
| Started | May 16, 2024 |
| Main results expected | December 31, 2028 |
| Study ends | December 31, 2032 |
| Registry record updated | September 30, 2026 |
| Trial ID | NCT06328361 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates include patients with histopathologically confirmed primary rectal adenocarcinoma who have achieved a complete clinical response after neoadjuvant therapy.
✕Probably not a fit
Patients with evidence of metastatic disease or those who have not undergone neoadjuvant therapy will not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This clinical trial aims to evaluate the oncological outcomes of nonoperative management (NOM) for rectal cancer patients who achieve a complete clinical response following neoadjuvant therapy. It seeks to establish a unified NOM protocol for Finland and assess whether the outcomes align with international practices. The study is a prospective, non-randomized, single-arm trial that will monitor disease-free survival and other secondary endpoints over a period of two years and beyond. Participants will be closely monitored for local regrowth rates and quality of life after treatment.
Why it matters
Potential benefit: If successful, this approach could provide a less invasive treatment option for rectal cancer patients, potentially preserving the rectum and improving quality of life.
How similar studies have gone: Other studies have shown success with nonoperative management approaches for rectal cancer, indicating that this methodology is gaining traction internationally.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Histopathological verification of primary rectal adenocarcinoma * Complete clinical response at response assessment after neoadjuvant therapy * Informed consent to organ preservation study Exclusion Criteria: * Evidence of metastatic disease (fulfilling M-class criteria of TNM) * No neoadjuvant therapy * Inability to understand the information related to harms and benefits
Where it's running
-
East Tallinn Central Hospital
Tallinn, Estonia Recruiting -
North Estonia Medical Centre
Tallinn, Estonia Recruiting -
West Tallinn Central Hospital
Tallinn, Estonia Recruiting -
Tartu University Hospital
Tartu, Estonia Recruiting -
Helsinki University Central Hospital
Helsinki, Finland Recruiting -
Jyväskylä Central Hospital
Jyväskylä, Finland Recruiting
Show 7 more locations
-
Kuopio University Hospital
Kuopio, Finland Recruiting -
Oulu University Hospital
Oulu, Finland Recruiting -
Satakunta Central Hospital
Pori, Finland Recruiting -
Seinajoki Central Hospital
Seinäjoki, Finland Recruiting -
Tampere University Hospital
Tampere, Finland Recruiting -
Turku University Hospital
Turku, Finland Recruiting -
Vaasa Central Hospital
Vaasa, Finland Recruiting
Study contacts
- Principal investigator: Toni T Seppälä, MD, PhD — Tampere University Hospital
- Study coordinator: Toni T Seppälä, MD, PhD
- Email: toni.seppala@tuni.fi
- Phone: +358444722846
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
-
Rectal brachytherapy boost to try to avoid surgery for low-lying residual rectal cancer after total neoadjuvant therapy
This trial will try focal internal radiation (rectal brachytherapy) for people with low-lying residual rectal adenocarcinoma after total neoadjuvant therapy to see if it can produce complete responses and avoid surgery.
-
Short-course pelvic radiotherapy followed by CAPOX (capecitabine + oxaliplatin) and bevacizumab, with or without PD‑1 immunotherapy, for locally advanced rectal cancer.
This trial tests whether adding a PD‑1 immunotherapy to short-course radiotherapy followed by CAPOX and bevacizumab helps adults with locally advanced rectal cancer get a higher complete response rate and fewer distant metastases.
-
Database for managing rectal cancer patients with a watch-and-wait approach
This study is trying to gather information from rectal cancer patients in Asia who are closely monitored after treatment to see if the watch-and-wait approach is safe and effective for them.
-
Combining Tucatinib and Trastuzumab for HER2 Positive Rectal Cancer
This study is testing if combining two cancer drugs, tucatinib and trastuzumab, with standard chemotherapy can help people with HER2 positive rectal cancer have better treatment results.
-
Single vs. double stapling and purse-string techniques after rectal cancer surgery
This trial tests whether using a single-stapling method to join the bowel after rectal cancer surgery results in fewer leaks compared with the double-stapling method.
-
DEM301 in advanced colorectal cancer: a first-in-human test
This first-in-human Phase 1 study tests DEM301 in adults with advanced metastatic colorectal cancer to see if it is safe, how it behaves in the body, and whether it shows any signs of activity.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.