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Enhanced Recovery After Surgery (ERAS) protocols were developed to standardize perioperative practice in colon surgery to reduce morbidity, improve recovery, and shorten length of stay (LOS). Better protocol adherence translates into fewer readmissions and complications, and better 5-year survival. Preoperative elements, especially nutrition and immunonutrition, are topics that need further development to become the standard of care. It has been widely reported that the prevalence of malnutrition reaches 40% in cancer patients at the time of diagnosis. Impaired nutritional status at the time of surgery and cancer-induced inflammation, along with postoperative inflammatory responses to major surgery, increase the risk of postoperative complications, along with a decrease in perceived quality of life.
Immunonutrition can modulate inflammation and reduce postoperative infections and shorten length of stay by counteracting the immune response induced by cancer. Adipose tissue has been shown to be a relevant source of inflammatory mediators, which may play a role in the promotion of tumor cachexia.
The present study is a multicenter randomized control study (RCT) designed to evaluate the effect of preoperative immunonutrition in patients with colorectal cancer eligible for elective minimally invasive procedures, evaluating in particular surgical site infection and length of hospital stay. A biopsy of subcutaneous adipose tissue and visceral adipose tissue will also be performed, in order to evaluate the differences between inflammatory infiltrate, degree of fibrosis and cross-sectional area of adipocytes compared to controls.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| A, Impact oral + Colorectal Surgery | Active Comparator | the supplement Oral Impact will be administered 3 times a day for 10 days before the operation. Colon surgery will be performed according to standard clinical practice. |
|
| B, Placebo group + Colorectal Surgery | Placebo Comparator | A Placebo will be administered 3 times a day for 10 days before the operation. Colon surgery will be performed according to standard clinical practice. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Placebo | Other | A Placebo will be administered per os 3 times per day for 10 days before colorectal surgery |
|
| Measure | Description | Time Frame |
|---|---|---|
| Surgical site infection (SSI) | Number of participants developing surgical site infections (SSI), defined as wound/parietal infection or intra-abdominal abscess without any anastomotic leak. | 30 days after the surgical procedure |
| Measure | Description | Time Frame |
|---|---|---|
| Anastomotic leakage (AL) | Number of participants developing anastomotic leakage (AL), defined as the evidence of leakage at the ileocolic or colo-colic or colo-rectal anastomosis, diagnosed with imaging modalities or with reoperation | 30 days after the surgical procedure |
| Length of stay (LOS) |
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Inclusion Criteria:
Exclusion Criteria:
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| ID | Term |
|---|---|
| D003110 | Colonic Neoplasms |
| ID | Term |
|---|---|
| D015179 | Colorectal Neoplasms |
| D007414 | Intestinal Neoplasms |
| D005770 | Gastrointestinal Neoplasms |
| D004067 | Digestive System Neoplasms |
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| Oral Impact Nestle | Dietary Supplement | Oral Impact Nestle will be administered per os 3 times per day for 10 days before colorectal surgery |
|
| Colorectal surgery | Procedure | Colorectal surgery will include right colectomy, left colectomy, transverse colectomy, anterior rectal resection. All procedures will be performed according to the standard clinical practice. |
|
Mean and Median Length of stay (LOS), defined as the mean and median number of days of hospitalization from the day of the surgical procedure to the day of patients' discharge |
| at patients' discharge |
| Inflammatory infiltration in the subcutaneous adipose tissue (SAT) and visceral adipose tissue (VAT) | Number of inflammatory cells in the specimens of subcutaneous adipose tissue (SAT) and visceral adipose tissue (VAT), as stated in a previous study published by the investigators (Molfino A, J Cachexia Sarcopenia Muscle. 2022 Feb;13(1):333-342.). | at the time of tissue analysis, usually 1 month after surgery |
| grade of fibrosis in the subcutaneous adipose tissue (SAT) and visceral adipose tissue (VAT) | Number of fibroblasts in the specimens of subcutaneous adipose tissue (SAT) and visceral adipose tissue (VAT), as stated in a previous study published by the investigators (Molfino A, J Cachexia Sarcopenia Muscle. 2022 Feb;13(1):333-342.). | at the time of tissue analysis, usually 1 month after surgery |
| Adipocytes cross sectional area (CSA) in the subcutaneous adipose tissue (SAT) and visceral adipose tissue (VAT) | Adipocytes cross sectional area (CSA) in the specimens of subcutaneous adipose tissue (SAT) and visceral adipose tissue (VAT), as stated in a previous study published by the investigators (Molfino A, J Cachexia Sarcopenia Muscle. 2022 Feb;13(1):333-342.). | at the time of tissue analysis, usually 1 month after surgery |
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D004066 | Digestive System Diseases |
| D005767 | Gastrointestinal Diseases |
| D003108 | Colonic Diseases |
| D007410 | Intestinal Diseases |