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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05934981
Other study ID # BCIA 2022/01
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date August 30, 2023
Est. completion date December 2025

Study information

Verified date July 2023
Source Bordeaux Colorectal Institute Academy
Contact Quentin DENOST, Prof
Phone +33 (0)5.47.50.15.75
Email q.denost@bordeaux-colorectal-institute.fr
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

To improve post-operative recovery, medical device was developed combining low-pressure pneumoperitoneum and heated and humidified Carbon Dioxide (95˚F & 95% RH) during laparoscopic surgery to reduce the harmful effects of cold/dry insufflation. A double-blind, prospective, randomized, controlled, monocentric trial is designed in the aim to assess the impact of low-pressure pneumoperitoneum with warm and humidified gaz on post-operative pain at 24 hours without taking opioids. It is compared with low-pressure laparoscopy with cold and dry gaz in patients undergoing colorectal surgeries.


Description:

Laparoscopy is the gold standard in colorectal surgery with many benefits in term of morbidity, post-operative pain and analgesic consumption. However, the pneumoperitoneum created for the laparoscopy has several negatives impact and limits (specific pain following abdominal distension, visibility, physiological repercussion). To improve recovery after colorectal laparoscopic surgery it was realized a first study (PAROS 1) which showed that low-pressure laparoscopic colectomy for benign or malign disease was feasible and safe with shorter length of stay (3 vs. 4 days; p=0.001), and decrease post-operative pain (VAS ≤ 3 à H8: 87% vs. 72% ; p=0.039) with reduction of analgesic consumption (step II analgesics: 73% vs. 88% ; p=0.032 and step 3 analgesics: (10% vs.23% ; p=0.042) (Br J Surg. 2021 Aug 19;108(8):998-1005) Simultaneously, the development of humidification medical device, referring to the administration of heated and humidified CO2 during laparoscopic surgery, aims to reduce the effects of cell drying and evaporative heat loss when the body is exposed to cold CO2. and dry during laparoscopic surgery. The state of the CO2 traditionally used during laparoscopic surgery and the ambient air during open surgery is very different from that of the human body, as it directly extracts heat and humidity from the already fragile patient. The introduction of heated and humidified CO2 provides an environment that reflects the physiological state of the peritoneum. Added to the benefits of low pressure, the advantages of surgical humidification seem very positive. During surgery, surgical humidification would reduce the incidence of perioperative hypothermia, improve local tissue oxygenation and local tissue perfusion. After surgery, it would improve core body temperature, reduce local peritoneal inflammation, surgical site infection rate and recovery time. The benefits of a warmed and humidified CO2 also seem very positive in terms of reducing postoperative pain and analgesic consumption. In the long term, it would reduce adhesion formation, tumor burden, metastases, and economic cost. The aim of the study is to assess the impact of low-pressure pneumoperitoneum with warm and humidified CO2 insufflation on post-operative pain without taking opioids, compared with low-pressure laparoscopy with cold and dry gas insufflation.


Recruitment information / eligibility

Status Recruiting
Enrollment 148
Est. completion date December 2025
Est. primary completion date September 2025
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Colorectal surgery for malignant or benign pathology - Surgery without stoma - Patient operable by laparoscopy or robot assisted under low pressure pneumoperitoneum - Age = 18 years old - Patient affiliated to a social security system or beneficiary of the same - Informing the patient and obtaining free, informed, and written consent, signed by the patient and his investigator. Exclusion Criteria: - Laparotomy procedure - Total or Subtotal Colectomy - Transverse segmental colectomy - Proctectomy with stoma or Total Coloproctectomy - Procedure associated with colorectal surgery (except appendectomy or liver biopsy) - Patient with stoma - Probable realization of a stoma during the operation - Crohn's disease, Hemorrhagic Rectocolitis (UC) - Sigmoiditis - VAS before surgery> 3 - BMI = 30 - ASA = 3 - History of laparotomy - Emergency surgery - Pelvic Sepsis or Preoperative Fistula - Pregnant woman, likely to be, or breastfeeding - Persons deprived of their liberty or under measure of judicial protection (curators or guardianship) or unable to give their consent - Persons undergoing psychiatric treatment without their consent - Persons admitted to a health or social establishment for purposes other than research - Inability to undergo medical monitoring of the trial for geographic, social or psychological reasons

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Laparoscopic surgery under low pressure and warm and humidified CO2 Insufflation
low pressure pneumoperitoneum (5-7mmHg) and use warm (35°C), humidified (95% relative humidity) CO2 insufflation.
Laparoscopic surgery under low pressure and conventional Insufflation
low pressure pneumoperitoneum (5-7mmHg), and use standard room temperature with dry insufflation.

Locations

Country Name City State
France Clinique TIVOLI DUCOS - Bordeaux Colorectal Institute Bordeaux
France HOPITAL NORD APHM - Service de Chirurgie Digestive Marseille

Sponsors (1)

Lead Sponsor Collaborator
Bordeaux Colorectal Institute Academy

Country where clinical trial is conducted

France, 

Outcome

Type Measure Description Time frame Safety issue
Primary Number of patients with pain at 24 hours after the end of the intervention by VAS = 3 without taking opioids (without step 2 and step 3 analgesics). Pain is evaluated with the Visual Analogue Scale (VAS, from 0 (no pain) to 10 (hurts worst) At 24 hours after the end of surgery
Secondary Operating time Operating time During surgery
Secondary Conversion rate in normal pressure and laparotomy Conversion rate in normal pressure (12-15mmHg) and laparotomy During surgery
Secondary Peri-operative Heart Rate Evaluation of Heart rate at different times during surgery : "after anesthetic intubation", "15 min after insufflation", and "5 min after exsufflation". During surgery
Secondary Perioperative arterial blood pressure Evaluation of arterial pressure at different times during surgery : "after anesthetic intubation", "15 min after insufflation", and "5 min after exsufflation" During surgery
Secondary Peri-operative temperature variations Evaluation of ambient theatre temperature and body temperature at different times during surgery : "before incision", "15 min after insufflation",then every hour and the last temperature reading at the end of the surgery. During surgery
Secondary Rate of c-reactive protein c-reactive protein levels in serum over 4 days post-surgery from day 1 to day 4 after the end of surgery
Secondary Time to bowel opening and passage of gas Time to bowel opening and passage of gas An average of 3 days after the surgery
Secondary Number of patients with medical and/or surgical morbidity To analyse the cumulative morbidity at 30 days after surgery and at 3 months of follow-up according to the Clavien-DINDO classification From the end of surgery until 3 months of follow-up
Secondary Number of patients with R0 resection Rate of cumulative surgery R0 resection for oncologic surgery During Surgery
Secondary Length of stay in hospital Length of stay in hospital From the surgery to the end of the hospitalization (max30 days)
Secondary Number of patients with pain at 30 days Pain was evaluated with the Visual Analogue Scale (VAS, from 0 (no pain) to 10 (hurts worst)) during hospital stay and until 30 days using a patient subject diary every day and immediately before each use of pain medication From the end of the surgery until 30 days of follow-up
Secondary Number of patients taking analgesics until 30 days To analyse the rate of analgesics using a patient subject diary From the end of the surgery until 30 days of follow up
Secondary Mean Score of the EQ-5D-5L Quality of Life The EQ-5D-5L essentially consists of 2 pages: the EQ-5D descriptive system and the EQ visual analogue scale (EQ VAS).The questionnaire is a self-report survey that measures quality of life across 5 domains: : mobility, self-care, usual activities, pain/discomfort and anxiety/depression. Each dimension has 5 levels: no problems, slight problems, moderate problems, severe problems and extreme problems. The patient is asked to indicate his/her health state by ticking the box next to the most appropriate statement in each of the five dimensions. This decision results in a 1-digit number that expresses the level selected for that dimension. The digits for the five dimensions can be combined into a 5-digit number that describes the patient's health state
- The EQ VAS records the patient's self-rated health on a vertical visual analogue scale, numbered from 0 to 100.
( 100 means "the best health you can imagine" and 0 means "the worst health you can imagine".)
From randomization until 3 months after surgery
Secondary Evaluation of predictive factors of postoperative pain Study the predictive factors of postoperative pain (VAS>3), 24 hours and 30 days after the surgery. (Visual Analogue Scale (VAS), from 0 (no pain) to 10 (hurts worst)). From the surgery until 30 days of follow up
Secondary Evaluation of predictive factors of opioid intake To identify predictive factors of opioid intake (second step and/or third step of the Who analgesic ladder),24 hours and 30 days after the surgery.
Comparison of the clinical and perioperative data from patients who did or did not consume opioids after surgery. The differences in proportions will be compared.
From the surgery until 30 days of follow up
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