Clinical trial Recruiting at 1 site Interventional Ages 18 and up

Combining adaptive radiotherapy with total neoadjuvant treatment for rectal cancer

Official title: TNT-RECORD:Total Neoadjuvant Treatment in Rectal Cancer With On-couch Adaptive Radiotherapy

Run by Haukeland University Hospital · NCT05883800 · Data updated 2026-11-12

This study is testing if personalized radiation treatment can help people with advanced rectal cancer have fewer side effects and finish their chemotherapy more easily before surgery.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment61 (estimated)
SponsorHaukeland University Hospital
Academic / other
Drugs / interventionschemotherapy, radiation
Locations1 site (Bergen)
StatusRecruiting
StartedJune 22, 2023
Main results expectedDecember 31, 2026
Study endsDecember 31, 2031
Registry record updatedMarch 19, 2024
Trial IDNCT05883800 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are patients with locally advanced rectal adenocarcinoma who meet specific clinical criteria for short-course treatment and are willing to participate.

Probably not a fit

Patients with previous rectal cancer treatment or those with contraindications to the chemotherapy agents used in the study may not benefit.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study investigates the benefits of on-couch adaptive radiotherapy for patients with locally advanced rectal cancer undergoing pre-operative sequential short-course radiotherapy followed by chemotherapy. The approach tailors the radiation dose to the patient's anatomy during each session, aiming to reduce gastrointestinal adverse events. Additionally, the study will assess whether this reduction allows more patients to complete their prescribed chemotherapy cycles. It is a prospective single-arm study focusing on improving treatment outcomes for this patient population.

Why it matters

Potential benefit: If successful, this approach could lead to fewer side effects and improved completion rates of chemotherapy for rectal cancer patients.

How similar studies have gone: While the specific combination of adaptive radiotherapy and total neoadjuvant treatment is novel, similar approaches have shown promise in reducing adverse effects in other cancer treatments.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients with loco-regional advanced rectal adenocarcinoma with clinical indications for short-course with TNT chemotherapy i.e. having at least one of the following T4a, CRM+ (≤1 mm), N1c, N2 or extramural vascular invasion (EMVI+). Patients presenting at least one of these criteria in addition to involvement of the pelvic sidewall lymph nodes (PSW) can optionally be considered.
* ECOG status ≤ 1
* Being willing and able to give full written consent for participation

Exclusion Criteria:

* Previous rectal cancer treatment
* Previous irradiation to the treatment area e.g. prostate cancer
* Hip prosthesis
* Contraindications to MRI
* Pregnancy
* Abnormal DPYD genotype
* Known contraindication to 5-FU, Capecitabine or Oxaliplatin as judged by the investigators

Where it's running

  • Haukeland University Hospital
    Bergen, Norway
    Recruiting

Study contacts

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.