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Efficacy of the Use of Neoadjuvant With/Without Hyperthermic Intraperitoneal Chemotherapy in the Treatment of Locally Advanced Colon Cancer
Sponsor: Maimónides Biomedical Research Institute of Córdoba
Summary
The main objective of this randomized and controlled trial is to determine whether the use of a proactive strategy, systemic neoadjuvant treatment (FOLFOX) with or without hyperthermic intraperitoneal chemoterapy (HIPEC) with mitomycin C followed by postoperative systemic adjuvant treatment, increases disease-free survival at 36 months in patients with locally advanced colon cancer compared to standard treatment. Therefore, a phase III, randomized, academic, multicenter, controlled trial will be conducted. Patients with locally advanced colon adenocarcinoma (cT4, cT3 with invasion \>5mm) Nx and no metastases will be included. Control group (n=361) will receive standard treatment (surgery and adjuvant chemotherapy FOLFOX x 12 based); Experimental group 1 (n=361) = Neoadjuvant chemotherapy (FOLFOX x6) + surgery (associating HIPEC) and FOLFOX x 6; Experimental group 2 (n=361): Neoadjuvant chemotherapy (FOLFOX x6) + surgery and FOLFOX x 6. Randomization will be 1:1:1, stratified and centralized. The primary outcome will be disease-free survival at 36 months. Secondary outcomes will be tumor regression rate, ctDNA negativization, peritoneal relapse rate at 36 months, pattern of relapse, toxicity, morbidity and overall survival. Considering the results obtained with these two independent strategies (FOLFOX and HIPEC), a new trial is justified in order to provide strong evidence for this proactive treatment. The aim is to combine both to obtain a better benefit, which opens the direct possibility of increasing the current percentage of disease-free survival. The results of this study will have important scientific and social impact, since is aimed at improving the outcomes of one subpopulation of patients with locally advanced colon cancer whose current treatment, is not enough to avoid the recurrence of disease.
Official title: Efficacy of the Use of Neoadjuvant With/Without Hyperthermic Intraperitoneal Chemotherapy in the Treatment of Locally Advanced Colon Cancer: A Phase III Multi-arm, Randomized and Controlled Clinical Trial (FOXHIPECT4)
Key Details
Gender
All
Age Range
18 Years - 75 Years
Study Type
INTERVENTIONAL
Enrollment
1083
Start Date
2025-12-31
Completion Date
2030-12-31
Last Updated
2025-11-24
Healthy Volunteers
No
Conditions
Interventions
Mitomycin (MM)
Mitomycin 30mg/m2/4 litres of perfusion liquid (dextrose 1.5%). Single intraoperative dose.
FOLFOX (5-fluorouracil, Leucovorin, Oxaliplatin)
FOLFOX6 consists in oxaliplatin 85 mg/m2 iv. on day 1, 5FU 400 mg/m2 iv. in bolus followed by 2400 mg/m2 in a continuous infusion for 46 hours. Leucovorin: 400mg/m2 folinic acid (racemid dl) in a continuous infusion for 2 hours. Repeat every 2 weeks. Haematological recovery to ANC \>1.5x109/L and platelets \>75x109/L should be ensured prior to Day 1 of each 14-day cycle.
Cytoreductive surgery
Cytoreductive surgery will be defined as complete tumour resection including oncologic colectomy and adjacent structures with suspicious of infiltration to achieve a R0, bilateral oophorectomy is recommended in post-menopausal women
Locations (1)
Hospital Universitario Reina Sofia
Córdoba, Córdoba, Spain