Clinical trial Recruiting at 13 sites Interventional Ages 18 and up

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.

More Rectal Cancer trials

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment200 (estimated)
SponsorTampere University Hospital
Academic / other
Locations13 sites (Tallinn and 12 other locations)
StatusRecruiting
StartedMay 16, 2024
Main results expectedDecember 31, 2028
Study endsDecember 31, 2032
Registry record updatedSeptember 30, 2026
Trial IDNCT06328361 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.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.