Nonoperative management of rectal cancer after neoadjuvant therapy

Nordic ORgan Preservation Pilot Approach - A Nonrandomised Single-Arm Trial for Non-Operative Management of Rectal Cancer (NORPPA-1)

Not applicable Interventional Tampere University Hospital · NCT06328361

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

PhaseNot applicable
Study typeInterventional
Enrollment200 (estimated)
Ages18 Years and up
SexAll
SponsorTampere University Hospital Academic / other
Locations13 sites (Tallinn and 12 other locations)
Trial IDNCT06328361 on ClinicalTrials.gov

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.

Who should consider this trial

Good fit: Ideal candidates include patients with histopathologically confirmed primary rectal adenocarcinoma who have achieved a complete clinical response after neoadjuvant therapy.

Not a fit: Patients with evidence of metastatic disease or those who have not undergone neoadjuvant therapy will not benefit from this study.

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 performed: Other studies have shown success with nonoperative management approaches for rectal cancer, indicating that this methodology is gaining traction internationally.

Eligibility criteria

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 this trial is running

Tallinn and 12 other locations

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 Rectal CancerRectal Adenocarcinoma
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.