Actively Recruiting

Phase 2
Age: 18Years +
All Genders
ID05054959

Induction Versus Consolidation Chemotherapy in Total Neoadjuvant Therapy of Locally Advanced Rectal Cancer With High Risk of Recurrence (ICONA Study)

Led by Institute of Oncology Ljubljana · Updated on 2021-09-23

62

Participants Needed

1

Research Sites

260 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Researchers are evaluating the best sequence of treatments in total neoadjuvant therapy (TNT) for people with locally advanced rectal cancer who have a high risk of the disease coming back. This Phase 2 study compares two approaches: one using consolidation chemotherapy after chemoradiotherapy and another using induction chemotherapy before and after chemoradiotherapy. The goal is to find which method leads to the highest rate of complete remission and better long-term outcomes. Participants receive chemoradiation using advanced techniques like intensity-modulated irradiation with a targeted boost to the tumor. One group receives 6 cycles of CAPOX chemotherapy after chemoradiation, while the other group receives 4 cycles of CAPOX before and 2 cycles after chemoradiation. CAPOX includes capecitabine taken orally and oxaliplatin given intravenously in specified doses and cycles, with treatment tailored based on tumor staging. During the study, participants will have regular check-ups and scans to monitor treatment effects and disease status. Researchers will assess complete remission two weeks after finishing TNT and follow survival, disease recurrence, and local control over three years. The study involves ongoing monitoring to understand the long-term benefits and risks of each treatment sequence for rectal cancer patients.

CONDITIONS

Brief Title

Consolidation Versus Induction Chemotherapy in Total Neoadjuvant Therapy of Rectal Cancer With High Risk for Recurrence

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Histologically proven rectal adenocarcinoma
  • No distant metastases on CT scan (M0 disease)
  • At least one high risk factor for disease recurrence identified on MR imaging: T4 tumor (cT4), N2 disease (cN2), extramural venous invasion (cEMVI+), positive lateral lymph nodes, or tumor/lymph node distance to mesorectal fascia 1 mm or less (cMRF+)
  • Capacity to give informed consent
  • Willingness to attend regular check-ups during and after treatment
Not Eligible

You will not qualify if you...

  • History of previous irradiation in the pelvic area
  • Absolute contraindications for MR imaging
  • Inability to reliably exclude distant metastases
  • Presence of synchronous cancer
  • Chronic inflammatory bowel disease

AI-Screening

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person)

Treatment

Duration - Approximately 15 to 18 weeks depending on chemotherapy regimen

Participants receive total neoadjuvant therapy (TNT) for rectal cancer, including chemoradiotherapy combined with chemotherapy cycles either as consolidation or induction chemotherapy.

Weekly visits for chemoradiotherapy and chemotherapy administration

Follow-up

Duration - Up to 3 years

Participants are monitored for treatment response and long-term outcomes including survival and disease recurrence.

Regular follow-up visits over 3 years

Trial Site Locations

Total: 1 location

1

Institute of Oncology

Ljubljana, Slovenia, 1000

Actively Recruiting

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Research Team

V

Vaneja Velenik, PhD

M

Miha Orazem, MD

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

FACTORIAL

Primary Purpose

TREATMENT

Number of Arms

2

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Published Research Related To This Trial

Neoadjuvant chemotherapy first, followed by chemoradiation and then surgery, in the management of locally advanced rectal cancer.

Andrea Cercek, Karyn A Goodman, Carla Hajj...

https://pubmed.ncbi.nlm.nih.gov/24717570

Randomized Phase II Trial of Chemoradiotherapy Plus Induction or Consolidation Chemotherapy as Total Neoadjuvant Therapy for Locally Advanced Rectal Cancer: CAO/ARO/AIO-12.

Emmanouil Fokas, Michael Allgäuer, Bülent Polat...

https://pubmed.ncbi.nlm.nih.gov/31150315

Induction chemotherapy, chemoradiotherapy and consolidation chemotherapy in preoperative treatment of rectal cancer - long-term results of phase II OIGIT-01 Trial.

Danijela Golo, Jasna But-Hadzic, Franc Anderluh...

https://pubmed.ncbi.nlm.nih.gov/30210040

Acute Toxicity and Tumor Response in Locally Advanced Rectal Cancer After Preoperative Chemoradiation Therapy With Shortening of the Overall Treatment Time Using Intensity-Modulated Radiation Therapy With Simultaneous Integrated Boost: A Phase 2 Trial.

Jasna But-Hadzic, Franc Anderluh, Erik Brecelj...

https://pubmed.ncbi.nlm.nih.gov/27727065