Status:

COMPLETED

Preoperative Endoscopic Treatment With Fosfomycin and Metronidazole in Patients With Right-sided Colon Cancer and Colon Adenoma (MEFO-trial)

Lead Sponsor:

Zealand University Hospital

Collaborating Sponsors:

Costerton Biofilm Center

Reponex Pharmaceuticals A/S

Conditions:

Right-sided Colon Cancer

Right-sided Colon Adenoma

Eligibility:

All Genders

18+ years

Phase:

PHASE2

Brief Summary

Clinical studies have shown that patients with right-sided colon cancer have reduced progression-free and overall survival compared to patients with left-sided colon cancer. At the same time, patients...

Detailed Description

Background Dysbiosis and known bacterial drivers play a significant role in the carcinogenesis of colorectal cancer. Among bacterial drivers, Fusobacterium nucleatum (FN) and the formation of biofilm ...

Eligibility Criteria

Inclusion

  • Inclusion criteria for track 1 and 2a:
  • Male and female patients above 18 years of age with either:
  • right-sided colon cancer tumor with adenocarcinoma histologically verified scheduled for open or laparoscopic resection at the Department of Surgery, Herlev Hospital or Zealand University Hospital for track 1.
  • Right-sided adenomas ≥2cm in diameter endoscopically verified scheduled for endoscopic mucosal resection at the Department of Surgery, Herlev Hospital or Zealand University Hospital for track 2a.
  • ASA I,II or III
  • The caecum must be reached by the endoscope.
  • Inclusion criteria for retrospective controls (track 2b):
  • Male and female patients above 18 years of age who were operated for colon adenoma ≥2cm in diameter in the right hemicolon in 2018 at Department of Surgery, Zealand University Hospital. They will be matched 2:1 with the patients included in track 2a (cases) based on age and gender and pathology of the tumor.

Exclusion

  • Exclusion criteria for track 1 and track 2a
  • Patients with previous allergic reaction to fosfomycin and/or metronidazole
  • Patients under current antibiotic treatment or patient who had the last dose of antibiotics 30 days prior to inclusion.
  • Patients with a non-passable tumor or patients where a part of the tumor is not visible during endoscopy (Track 1)
  • Patients with neoadjuvant chemotherapy or radiation 12 months prior to the resection.
  • Patients with a history of familial adenomatous polyposis (FAP) or hereditary nonpolyposis colorectal cancer (HNPCC)
  • Patients with a history of inflammatory bowel disease (IBD)
  • Patients under current treatment with warfarin (Marevan) and phenprocoumon (Marcoumar), or NOAK such as dabigatran (Pradaxa®), rivaroxiban (Xarelto®), edoxaban (Lixiana®) or apixaban (Eliquis®)
  • Patients under current treatment with Fenemal (Phenobarbital)
  • Patients who previously have received a fecal transplantation
  • Patients who have previously had colorectal cancer, and are now presenting with a secondary colon tumor.
  • Patients with a current alcohol use disorder (AUD): defined as a patient who are currently drinking 8 or more drinks/week for women and 15 or more drinks/week for men.
  • Predictable poor compliance (psychiatric disease, not speaking fluent Danish, mentally, impaired etc)
  • Patients with an American Society of Anaesthesiologists physical status
  • Classification (ASAscore) of IV.
  • Patients unable to be sedated
  • Pregnancy or lactation (fertile women must have a negative serum or urine pregnancy test to participate)
  • Fertile women who do not use safe contraception during the study period
  • Following contraceptive methods are acceptable when used consistently and in accordance, with both the product label and the instructions of the physician are:
  • Oral contraceptive, either combined or progestogen alone
  • Injectable progestogen
  • Implants of levonorgestrel
  • Estrogenic vaginal ring
  • Percutaneous contraceptive patches
  • Intrauterine device or intrauterine system with a documented failure rate \< 1% per year
  • Male partner sterilization (vasectomy with documented azoospermia) prior to female patient ́s entry into the study, and this male is the sole partner for that patient.
  • Double barrier method: condom with spermicidal agent (foam/gel/film/cream/suppository), condom and occlusive cap (diaphragm or cervical/vault cap) with vaginal spermicidal agent (foam/gel/film/cream/suppository).
  • Exclusion criteria for retrospective controls (track 2b):
  • Patients under the age of 18 years during the resection for colon adenoma
  • Patients who were under antibiotic treatment during the EMR or patients who had the last dose of antibiotics 30 days prior to EMR
  • Patients with neoadjuvant chemotherapy or radiation 12 months prior to the resection
  • Patients with a history of familial adenomatous polyposis (FAP) or hereditary nonpolyposis colorectal cancer (HNPCC)
  • Patients with a history of inflammatory bowel disease (IBD)
  • Patients who previously have received a fecal transplantation
  • Patients who have previously had colorectal cancer
  • Patients registered in "Vævsanvendelsesregistret"
  • Patients with insufficient tissue samples

Key Trial Info

Start Date :

January 16 2020

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

July 1 2023

Estimated Enrollment :

28 Patients enrolled

Trial Details

Trial ID

NCT04312360

Start Date

January 16 2020

End Date

July 1 2023

Last Update

September 7 2023

Active Locations (2)

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Page 1 of 1 (2 locations)

1

Department of Surgery, Herlev Hospital

Copenhagen, Denmark, 2730

2

Department of Surgery, Zealand University Hospital

Køge, Denmark, 4200