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Clinical Trial Summary

The study is a prospective, double-blinded, placebo-controlled multi-center trial to measure if postoperative pain and the amount of narcotics used are reduced by a clinically significant amount in women undergoing minimally invasive hysterectomy receiving a continuous infusion of intraperitoneal (IP) local anesthetic (LA) or a continuous infusion of LA combined with an NSAID compared with a control group who receives only 0.9% normal saline.


Clinical Trial Description

- Any patient desiring minimally invasive hysterectomy will be contacted by a study team member during their visit to the MIGS (minimally invasive gynecologic surgery) clinic. The risks and benefits of participation will be explained to them. If they choose to participate they will sign the consent form at that time or if they need more time to consider participation they will sign later. They will then complete the health-related quality of life (HrQoL) questionnaire UFS-QOL* before surgery. - Computer-generated randomization will be used to randomize patients between 3 groups: - Group A: receiving a continuous infusion of intraperitoneal local anesthetic (LA) during 72 hours - Group B: receiving a continuous infusion of intraperitoneal LA combined with an NSAID during 72 hours - Group C: receiving a continuous infusion of intraperitoneal placebo during 72 hours. - Study participants will then undergo a minimally invasive hysterectomy by one of the highly experienced minimally invasive gynecologists using a standard technique. At the conclusion of the procedure, all women will have an infusion catheter attached to an ON-Q pump inserted percutaneously into the pelvis under direct laparoscopic vision. The catheter tip will be placed in the peritoneal cavity at the vaginal vault. In order to ensure patency of the catheter tubing, a 10 mL bolus of assigned medication will be given. The ON-Q pump infusion will then provide 540 mL of assigned medication for a total of 72 hours following surgery. - Surgical variables (length of surgery, estimated blood loss, type of analgesia and anesthesia used, concomitant procedures, uterine weight, ASA, and intraoperative complications - organ injury (bladder, bowel, vaginal laceration), EBL > 1000 cc, conversion to laparotomy, transfusion) will be recorded on a data collection sheet. - Additional analgesia will be administered by the nursing staff in the PACU at the patient's request. The total dose of analgesia over the 72 postoperative hours will be calculated for each woman (e.g. each of the following was considered to be one dose; 1 g of paracetamol, 50 mg diclofenac, 400 mg ibuprofen, 50 mg tramadol). The total morphine equivalents per patient will also be recorded. - All medication administered for pain as well as VAS pain scores at 1, 2, 4, 6, 24, 48, and 72 hours postoperatively will be recorded. - Subjects will be discharged when clinically appropriate and according to our usual hospital procedure, which is usually same day discharge. Subjects staying in hospital for less than 72 hours will be given verbal and written instructions on catheter removal. - The subjects will be given a post-operative pain diary to fill out during their 2 week recovery period including pain scores and amount of pain medication used. This diary will be collected at their first post-operative visit at around 2 weeks postoperatively. Subjects will be asked to complete the EQ-5D again during this visit. Postoperative complications will also be recorded (ICU-admission, reoperation, transfusion, DVT/PE, readmission, bowel obstruction/ileus, incision seroma/cellulitis/hematoma/separation/hernia, and cuff cellulitis/abscess/dehiscence/granulation tissue). - Hospital (operative and pathology reports) and clinical (clinical visit notes) reports will be reviewed to compare baseline demographics, past surgical history, past medical history, comorbidities, and complications between groups. - Pumps and syringes will be filled with study drugs depending on the assigned group to a max of 540 mL for pumps and a max of 10 mL for syringes: - Group A: receiving a continuous infusion of intraperitoneal local anesthetic (LA) during 72 hours: 10 mL bolus of 0.2% Ropivacaine + 540 mL of 0.2% Ropivacaine at 8 mL/hour infusion - Group B: receiving a continuous infusion of intraperitoneal LA combined with an NSAID during 72 hours: 10 mL bolus of 0.2% Ropivacaine combined with 30mg/550mL toradol + 540 mL of 0.2% Ropivacaine combined with 30mg/550mL toradol at 8 mL/hour infusion - Group C: receiving a continuous infusion of intraperitoneal placebo during 72 hours: 10 mL bolus of 0.9% normal saline + 540 mL of 0.9% normal saline at 8 mL/hour infusion - The IDS research pharmacist will fill the pumps for use and a member of the research team will transport the filled pumps to the hospital for the surgeries. - Statistical Analysis: Pre-operative variables such as patient demographic and clinical information (medical and surgical history) will be recorded and compared as well as intra-operative variables such as surgical modality, length of surgery, estimated blood loss, concomitant procedures, uterine weight, ASA, and complications. Before and after their surgery, patients will complete a questionnaire regarding quality of life and pain. To combine the results of both sites, REDCap will be used to securely share de-identified data. These outcome variables will be analyzed by calculating the unadjusted and adjusted means and 95% confidence intervals using simple and multiple linear regressions. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04130464
Study type Interventional
Source George Washington University
Contact
Status Recruiting
Phase Phase 4
Start date September 30, 2019
Completion date December 2021

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