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| Name | Class |
|---|---|
| Merck Sharp & Dohme LLC | INDUSTRY |
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Randomised controlled trial comparing the effect of low pressure pneumoperitoneum with deep neuromuscular block versus normal pressure pneumoperitoneum with moderate neuromuscular block during laparoscopic colorectal surgery on early quality of recovery.
Rationale: the laparoscopic approach reduced trauma as compared to open surgery, however, the pressure used to create a PNP with sufficient surgical workspace still leads to significant tissue injury. Prior studies show that the use of low-pressure pneumoperitoneum (PNP) during laparoscopic surgery reduced postoperative pain scores, cumulative opioid consumption and improved bowel function recovery. Deep neuromuscular blockade (NMB) as compared to moderate NMB decreases the amount of intra-abdominal pressure required to achieve similar surgical conditions and enables the use of low-pressure PNP without compromising the quality of the surgical field and patient safety. Therefore, the use of deep NMB with low-pressure PNP could be a significant addition to the conventional Enhanced Recovery After Surgery (ERAS) protocols.
Objective: to establish the relationship between the use of low pressure pneumoperitoneum with deep neuromuscular blockade and the early quality of recovery after laparoscopic colorectal surgery.
Study design: a multi-center, blinded, randomized controlled clinical trial.
Study population: adult individuals scheduled for laparoscopic colorectal surgery with a primary colonic anastomosis.
Intervention: participants will be randomly assigned in a 1:1 fashion to either the experimental group (group A): low pressure PNP (8 mmHg) with deep NMB (PTC 1-2) or the control group (group B): normal pressure PNP (12 mmHg) with moderate NMB (TOF count 1-2).
Primary endpoint: Quality of recovery score (QoR-40) 24 hours after surgery.
Secondary endpoints: QoR-40 score (day 3 and 7 after surgery), McGill pain- and RAND-36 score (1 day before and 3 months after surgery), pain scores, PONV, analgesia use, length of hospital stay, postoperative complications, surgical conditions and time to reach discharge criteria.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Low pressure PNP, deep NMB | Experimental | Low pressure pneumoperitoneum of 8 mmHg with deep neuromuscular block (post tetanic count of 1-2) reached by titration with continuous infusion of Rocuronium bromide. |
|
| Normal pressure PNP, moderate NMB | Active Comparator | Normal pressure pneumoperitoneum of 12 mmHg with moderate neuromuscular block (TOF count of 1-2) reached by titration with bolus or continuous infusion of a low dose of Rocuronium bromide. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Low pressure pneumoperitoneum | Procedure | Lowering intra-abdominal pressure during laparoscopic surgery |
|
| Measure | Description | Time Frame |
|---|---|---|
| Total score on the Quality of Recovery-40 questionnaire | The QoR-40 is a validated assessment tool for measuring a patient's self-assessed quality of recovery after surgery. It consists of 40 questions measuring 5 dimensions: patient support, comfort, emotions, physical independence and pain. Each item is rated on a scale of 1 to 5, giving a minimal score of 40 and a maximum score of 200. | 24 hours after surgery |
| Measure | Description | Time Frame |
|---|---|---|
| Total score on the Quality of Recovery-40 questionnaire | The QoR-40 is a validated assessment tool for measuring a patient's self-assessed quality of recovery after surgery. It consists of 40 questions measuring 5 dimensions: patient support, comfort, emotions, physical independence and pain. Each item is rated on a scale of 1 to 5, giving a minimal score of 40 and a maximum score of 200. | Day 3 and day 7 after surgery |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Kim I Albers, MD | Radboud University Medical Center | Principal Investigator |
| Michiel C Warlé, MD, PhD | Radboud University Medical Center | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Canisius Wilhelmina Hospital | Nijmegen | Gelderland | 6532SZ | Netherlands | ||
| Martini general hospital |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 39453841 | Derived | Albers-Warle KI, Helder LS, Groh LA, Polat F, Panhuizen IF, Snoeck MMJ, Kox M, van Eijk L, Joosten LAB, Netea MG, Negishi Y, Mhlanga M, Keijzer C, Scheffer GJ, Warle MC. Postoperative Innate Immune Dysregulation, Proteomic, and Monocyte Epigenomic Changes After Colorectal Surgery: A Substudy of a Randomized Controlled Trial. Anesth Analg. 2025 Jan 1;140(1):185-196. doi: 10.1213/ANE.0000000000007297. Epub 2024 Oct 25. | |
| 32552782 |
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| Type | Date | Date Unknown |
|---|---|---|
| Release | Feb 12, 2023 | |
| Reset | Nov 21, 2023 |
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| Rocuronium Bromide | Drug | Deep (PTC 1-2) versus moderate (Tof count 1-2) neuromuscular block |
|
|
| McGill pain Questionnaire | Validated questionnaire for the assessment of quality and intensity of pain | Upon admission and 3 months after surgery |
| RAND-36 general health questionnaire | Validated patient-reported survey of health | Upon admission and 3 months after surgery |
| Pain scores | Pain at rest and pain upon movement (NRS 0-10), is pain acceptable yes or no, referred shoulder pain yes or no? | 1, 8, 24, and 72 hours after surgery |
| Post-operative nausea and vomiting (PONV) | NRS 0-10 | 1, 8, 24 and 72 hours after surgery |
| Cumulative use of analgesics and anti-emetics | Total dose of opiates, other analgesics and anti-emetic drugs | 1, 8, 24 and 72 hours after surgery |
| Length of hospital stay | Total number of days from admission to discharge after surgery (not including readmission) | From date of admission until date of discharge from the hospital (usually several days), assessed up to 3 months. |
| Surgical conditions | Rating of the surgical conditions with the Leiden Surgical Rating Scale (L-SRS). The L-SRS is scored by the surgeon and ranges from 1-5 for quality of the surgical field. A score of 5 means optimal conditions: a wide laparoscopic field with no patient movements or muscle contractions, 1 means extremely poor conditions: the surgeon is unable to obtain a visible laparoscopic field because of inadequate muscle relaxation. | Intraoperative: after introduction of the trocars and every 15 minutes until the end of the pneumoperitoneum. |
| Intraoperative complications | Complications during surgery graded according to the Clavien-Dindo classification | During surgery |
| Postoperative complications | Postoperative complications | Up to 3 months after surgery |
| Time to reach discharge criteria | Number of days to reach the following criteria after surgery: adequate pain control with oral medication, passage of flatus or defecation, intake of solid food tolerated, patient is mobilized and independent and patient accepts discharge. | From date of surgery until date of actual discharge from the hospital (usually several days), assessed up to 3 months. |
| Groningen |
| Netherlands |
| Maxima Medisch Centrum | Veldhoven | Netherlands |
| Derived |
| Albers KI, Polat F, Panhuizen IF, Snoeck MMJ, Scheffer GJ, de Boer HD, Warle MC. The effect of low- versus normal-pressure pneumoperitoneum during laparoscopic colorectal surgery on the early quality of recovery with perioperative care according to the enhanced recovery principles (RECOVER): study protocol for a randomized controlled study. Trials. 2020 Jun 17;21(1):541. doi: 10.1186/s13063-020-04496-8. |
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| Release Date | Unrelease Date | Unrelease Date Unknown | Reset Date | MCP Release Number |
|---|---|---|---|---|
| Feb 12, 2023 | Nov 21, 2023 |
| ID | Term |
|---|---|
| D011027 | Pneumoperitoneum |
| ID | Term |
|---|---|
| D010532 | Peritoneal Diseases |
| D004066 | Digestive System Diseases |
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| ID | Term |
|---|---|
| D000077123 | Rocuronium |
| ID | Term |
|---|---|
| D000732 | Androstanols |
| D000731 | Androstanes |
| D013256 | Steroids |
| D000072473 | Fused-Ring Compounds |
| D011083 | Polycyclic Compounds |
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