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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04858711
Other study ID # 306/26-03-2021
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date April 1, 2021
Est. completion date September 30, 2023

Study information

Verified date October 2022
Source Aretaieion University Hospital
Contact Kassiani Theodoraki, PhD, DESA
Phone +306974634162
Email ktheodoraki@hotmail.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The aim of this study will be to investigate the effect of an opioid-free anesthesia regimen with a mixture of dexmedetomidine-lidocaine-ketamine in the same syringe versus fentanyl analgesia in elective laparoscopic gynecological surgery


Description:

Inadequately treated postoperative pain after gynecological surgery may untowardly affect early recovery and also lead to the development of chronic pain. Laparoscopic surgery is associated with diminished postoperative pain but this does not mean that patients subjected to laparoscopic operations are not in need for analgesia intra- and postoperatively. Opioid-based analgesia is associated with side-effects, such as respiratory depression, postoperative nausea and vomiting and occasional induction of tolerance and hyperalgesia. Therefore, in recent years research has focused on the quest for non-opioid-based regimens for perioperative analgesia in the context of multimodal analgesic techniques. These techniques have been shown to possess significant advantages, such as allowing earlier mobilization after surgery, early resumption of enteral feeding and reduced hospital length of stay. In this context, the intraoperative intravenous injection of lidocaine has been reported to improve postoperative pain control, reduce opioid consumption and improve the quality of postoperative functional recovery after general anesthesia. Intraoperative infusions of ketamine (an N-methyl-D-aspartate receptor inhibitor) have also been correlated with reduced pain scores and a decrease in analgesic requirements postoperatively. Lastly, dexmedetomidine is a highly selective alfa-2 adreno-ceptor agonist that provides sedation, analgesia, and sympatholysis. Its perioperative intravenous administration has been associated with a reduction in postoperative pain intensity, analgesic consumption and nausea. There is insufficient data in literature investigating the effect of combinations of these agents intraoperatively. It would be of interest to demonstrate whether the administration of combinations can be used towards the achievement of a completely opioid-free anesthetic regimen. Additionally, it can be hypothesized that the combination of non-opioid drugs with different targets can lead to enhanced postoperative recovery, an improved opioid-sparing effect and a decrease in the development of chronic pain as compared to the administration of opioids. Therefore, the aim of this study will be to investigate the effect of a combination of intravenous infusions of lidocaine-ketamine-dexmedetomidine versus fentanyl on recovery profile, quality of recovery and postoperative pain after elective laparoscopic gynecological surgery.


Recruitment information / eligibility

Status Recruiting
Enrollment 60
Est. completion date September 30, 2023
Est. primary completion date September 30, 2023
Accepts healthy volunteers No
Gender Female
Age group 25 Years to 75 Years
Eligibility Inclusion Criteria: - adult female patients - American Society of Anesthesiologists (ASA) classification I-II - elective laparoscopic gynecological surgery Exclusion Criteria: - body mass index (BMI) >35 kg/m2 - contraindications to local anesthetic administration or non-steroidal agents administration - systematic use of analgesic agents preoperatively - chronic pain syndromes preoperatively - neurological or psychiatric disease on treatment - pregnancy - severe hepatic or renal disease - history of cardiovascular diseases/ arrhythmias/ conduction abnormalities - bradycardia(<55 beats/minute) - drug or alcohol abuse - language or communication barriers lack of informed consent

Study Design


Intervention

Drug:
ketamine-lidocaine-dexmedetomidine
In the KLD group, patients will be administered 0,25 mcg/kg Dexmedetomidine in 100 mL of normal saline within 10 minutes. Followingly, they will receive 1mL/10 kg of the solution containing ketamine, lidocaine and dexmedetomidine at predefined concentrations. As maintenance, they will be receiving 1mL/10kg/h of the aforementioned solution.
fentanyl
In the fentanyl group, patients will be administered 2 mcg/kg fentanyl in 100 mL of normal saline within 10 minutes. Followingly, they will receive 1mL/10 kg of normal saline solution 0.9%. As maintenance, they will be receiving 1mL/10kg/h of normal saline solution 0.9%.

Locations

Country Name City State
Greece Aretaieion University Hospital Athens

Sponsors (1)

Lead Sponsor Collaborator
Aretaieion University Hospital

Country where clinical trial is conducted

Greece, 

References & Publications (9)

De Oliveira GS Jr, Castro-Alves LJ, Khan JH, McCarthy RJ. Perioperative systemic magnesium to minimize postoperative pain: a meta-analysis of randomized controlled trials. Anesthesiology. 2013 Jul;119(1):178-90. doi: 10.1097/ALN.0b013e318297630d. Review. — View Citation

Frauenknecht J, Kirkham KR, Jacot-Guillarmod A, Albrecht E. Analgesic impact of intra-operative opioids vs. opioid-free anaesthesia: a systematic review and meta-analysis. Anaesthesia. 2019 May;74(5):651-662. doi: 10.1111/anae.14582. Epub 2019 Feb 25. — View Citation

Lavand'homme P, Estebe JP. Opioid-free anesthesia: a different regard to anesthesia practice. Curr Opin Anaesthesiol. 2018 Oct;31(5):556-561. doi: 10.1097/ACO.0000000000000632. Review. — View Citation

Lavand'homme P, Steyaert A. Opioid-free anesthesia opioid side effects: Tolerance and hyperalgesia. Best Pract Res Clin Anaesthesiol. 2017 Dec;31(4):487-498. doi: 10.1016/j.bpa.2017.05.003. Epub 2017 May 17. Review. — View Citation

Mauermann E, Ruppen W, Bandschapp O. Different protocols used today to achieve total opioid-free general anesthesia without locoregional blocks. Best Pract Res Clin Anaesthesiol. 2017 Dec;31(4):533-545. doi: 10.1016/j.bpa.2017.11.003. Epub 2017 Nov 24. Review. — View Citation

Mulier J. Opioid free general anesthesia: A paradigm shift? Rev Esp Anestesiol Reanim. 2017 Oct;64(8):427-430. doi: 10.1016/j.redar.2017.03.004. Epub 2017 Apr 18. English, Spanish. — View Citation

Mulier JP. Is opioid-free general anesthesia for breast and gynecological surgery a viable option? Curr Opin Anaesthesiol. 2019 Jun;32(3):257-262. doi: 10.1097/ACO.0000000000000716. Review. — View Citation

Panchgar V, Shetti AN, Sunitha HB, Dhulkhed VK, Nadkarni AV. The Effectiveness of Intravenous Dexmedetomidine on Perioperative Hemodynamics, Analgesic Requirement, and Side Effects Profile in Patients Undergoing Laparoscopic Surgery Under General Anesthesia. Anesth Essays Res. 2017 Jan-Mar;11(1):72-77. doi: 10.4103/0259-1162.200232. — View Citation

Vigneault L, Turgeon AF, Côté D, Lauzier F, Zarychanski R, Moore L, McIntyre LA, Nicole PC, Fergusson DA. Perioperative intravenous lidocaine infusion for postoperative pain control: a meta-analysis of randomized controlled trials. Can J Anaesth. 2011 Jan;58(1):22-37. doi: 10.1007/s12630-010-9407-0. Review. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Other time to emergence time from sevoflurane discontinuation to first patient response (eye opening) up to 2-3 hours after start of surgery
Other time to extubation time from sevoflurane discontinuation to tracheal extubation up to 2-3 hours after start of surgery
Primary change from baseline in Quality of Recovery (QoR)-15 score after surgery The QoR-15 is a quality of recovery scale that consists of 15 questions (items),including questions regarding pain (2 items), physical comfort (5 items), self-care ability (2 items), psychological support (2 items) and emotional state (4 items). Every item is scored on a scale of 10, with the lowest total score of 0 and the highest score of 150. The higher the score, the better the recovery quality of the patient 24 hours postoperatively
Primary pain score on arrival to Post-Anesthesia Care Unit (PACU) pain score by the use of Numeric Rating Scale (NRS) on arrival to PACU, ranging from 0 to 10, where 0 means "no pain" and 10 means "worst pain imaginable" immediately postoperatively
Primary pain score at discharge from Post-Anesthesia Care Unit (PACU) pain score by the use of Numeric Rating Scale (NRS) at discharge from PACU, ranging from 0 to 10, where 0 means "no pain" and 10 means "worst pain imaginable" at discharge from Post Anesthesia Care Unit (PACU), approximately 1 hour postoperatively
Primary pain score 3 hours postoperatively pain score by the use of Numeric Rating Scale (NRS) 3 hours postoperatively, ranging from 0 to 10, where 0 means "no pain" and 10 means "worst pain imaginable" 3 hours postoperatively
Primary pain score 6 hours postoperatively pain score by the use of Numeric Rating Scale (NRS) 6 hours postoperatively, ranging from 0 to 10, where 0 means "no pain" and 10 means "worst pain imaginable" 6 hours postoperatively
Primary pain score 24 hours postoperatively pain score by the use of Numeric Rating Scale (NRS) 24 hours postoperatively, ranging from 0 to 10, where 0 means "no pain" and 10 means "worst pain imaginable" 24 hours postoperatively
Secondary Post Anesthesia Care Unit (PACU) duration of stay duration of patient stay at PACU immediately postoperatively
Secondary sedation on arrival to Post-Anesthesia Care Unit sedation will be assessed with a 5-point sedation scale, where: 1, patient perfectly conscious; 2, patient feels a little drowsy; 3, patient seems to be sleeping but immediately reacts to verbal stimulation; 4, patient seems to be sleeping but slowly reacts to verbal stimulation and 5, patient seems to be sleeping and does not react to verbal stimulation but does react to a stimulus such as shaking or pain immediately postoperatively
Secondary sedation at discharge from Post-Anesthesia Care (PACU) Unit sedation will be assessed with a 5-point sedation scale, where: 1, patient perfectly conscious; 2, patient feels a little drowsy; 3, patient seems to be sleeping but immediately reacts to verbal stimulation; 4, patient seems to be sleeping but slowly reacts to verbal stimulation and 5, patient seems to be sleeping and does not react to verbal stimulation but does react to a stimulus such as shaking or pain at discharge from Post Anesthesia Care Unit (PACU), approximately 1 hour postoperatively
Secondary sevoflurane consumption during general anesthesia the sevoflurane vaporizer will be weighed before anesthetic induction and at the end of anesthesia and consequently sevoflurane consumption during anesthesia will be determined change of sevoflurane vaporizer weight from before induction to end of anesthesia, an average period of 2-3 hours
Secondary time to first request for analgesia the time for the first patient request for analgesia will be noted during stay in Post-Anesthesia Care Unit (PACU), approximately 1 hour postoperatively
Secondary morphine consumption in Post-Anesthesia Care Unit (PACU) mg of morphine requested during patient PACU stay immediately postoperatively
Secondary tramadol consumption in the first 48 hours patients will be followed for cumulative tramadol consumption for 48 hours postoperatively 48 hours postoperatively
Secondary sleep quality subjective evaluation of sleep quality by patients, based on a sleep questionnaire (evaluation of sleep duration, number of nocturnal awakenings and marking of sleep quality) 24 hours postoperatively
Secondary first mobilization after surgery patients will be questioned regarding the time at which they mobilized after surgery 24 hours postoperatively
Secondary gastrointestinal recovery after surgery patients will be questioned regarding the time they first felt enteral sounds and the time they had their first flatus after surgery 24 hours postoperatively
Secondary satisfaction from postoperative analgesia satisfaction from postoperative analgesia on a six-point Likert scale with 1 marked as minimal satisfaction and 6 as maximal satisfaction 24 hours postoperatively
Secondary first fluid intake patients will be questioned regarding the time they had their first fluid intake 24 hours postoperatively
Secondary first solid intake patients will be questioned regarding the time they had their first solid intake 24 hours postoperatively
Secondary hospitalization time duration of hospital stay after surgery in hours 96 hours postoperatively
Secondary fentanyl requirement during surgery dose of required fentanyl intraoperatively to maintain systolic arterial blood pressure and heart rate within the 20% of baseline value intraoperatively
Secondary side effects intraoperatively patients will be monitored for side-effects of the administered agents intraoperatively intraoperatively
Secondary side effects postoperatively patients will be monitored for side-effects of the administered agents postoperatively 48 hours postoperatively
Secondary incidence of chronic pain 1 month after surgery occurrence of chronic pain at the site of the operation 1 month after surgery, with the use of the Numeric Rating Scale (NRS), at rest and during movement 1 month after surgery
Secondary incidence of chronic pain 3 months after surgery occurrence of chronic pain at the site of the operation 3 months after surgery, with the use of the Numeric Rating Scale (NRS), at rest and during movement 3 months after surgery
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