Skip to content
Recruiting

Determination of Microbiological Factors Associated With Poor Response to Neoadjuvant Treatment in Rectal Cancers

About this study

The objective of this project is to determine in a non-invasive manner (fecal samples) the predictive value of the intestinal microbiota and the presence of genotoxin-producing bacteria on the response to neoadjuvant treatment in rectal cancer. This could lead to a better understanding and selection of patients for personalized treatment in rectal cancer.

Condition
Rectal Cancer
Tested
Biological collection
Sponsor
Institut du Cancer de Montpellier - Val d'Aurelle

Who can join

Age
18 years and older
Sex
All sexes
Healthy volunteers
Not accepted

Inclusion 7

  • Minimum age: 18 years
  • Study condition: Rectal Cancer
  • Histologically proven lower and mid-rectal adenocarcinoma at clinical stage II and III
  • Patient is to receive neoadjuvant treatment (radiochemotherapy or chemotherapy or radiotherapy). Induction chemotherapy such as folfox or folfirinox is allowed
  • Patient who has signed the informed consent of the study
  • Male or female ≥ 18 years old
  • Appropriate contraceptive measures should be used by both men and non-menopausal women before entering the trial until at least 8 weeks after the last course of radiochemotherapy. The investigator should inform the patient about the contraceptive measures to be used.

Exclusion 9

  • Antibiotic treatment at the time or in the month preceding stool sampling
  • Presence of an ostomy
  • Previous treatment for rectal cancer
  • Patient not affiliated to a French social protection system
  • Patient not in favour of good compliance with treatment for psychological, family, social or geographical reasons
  • Legal incapacity (Patient under curatorship or guardianship)
  • Prior radiation therapy or pelvic curia in the year prior to inclusion
  • History of other cancers in the last 5 years (except for in-situ cervical carcinomas and non-melanoma skin carcinomas treated optimally)
  • Pregnant or breastfeeding woman

Where

2 sites, 2 recruiting

Institut régional du Cancer de Montpellier

Montpellier, Hérault, France

Recruiting

CHU Clermont-Ferrand

Clermont-Ferrand, Puy De Dôme, France

Recruiting

Contact

Potential match only. Final eligibility is determined by the study team.