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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05028088
Other study ID # 2016Summer
Secondary ID
Status Recruiting
Phase Phase 4
First received
Last updated
Start date July 1, 2021
Est. completion date December 2022

Study information

Verified date August 2021
Source Wuhan Union Hospital, China
Contact Yun Lin, MD, PhD.
Phone +86 02785351606
Email franklinyun@hust.edu.cn
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The use of muscle relaxants is an indispensable in the general anesthesia but is prone to accidents, which are often related to residual muscle relaxant. Therefore, how to timely and effectively eliminate the residual effect of muscle relaxants after surgery has become an urgent clinical problem. Rocuronium is a non-depolarizing muscle relaxant that is primarily metabolized by the liver. Patients with liver dysfunction can affect the metabolic process of rocuronium, thereby delaying the recovery of muscle relaxation. Sugammadex (SUG) is a novel specific antagonist of aminosteroid muscle relaxants, which can effectively antagonize muscle relaxants at different depths. However, whether liver dysfunction affects the antagonistic effect of SUG against rocuronium has not been reported yet. Therefore, the investigators hypothesize that with the increase of patients' liver Child-Pugh grade, the recovery time of rocuronium antagonized by the same dose of SUG after surgery will be prolonged, and the incidence of muscle relaxation residual will be increased in the short term.


Description:

Main instruments: Drager Fabius anesthesia machine, interlive vue MX600 monitor, Train-Of-Four-Watch muscle relaxation monitor, Philips IU22 Color Doppler Ultrasound Diagnostic Instrument. Diaphragm ultrasound scan: Prior to anesthesia induction, patients will lie on the bed in a semi-recumbent (45°) position. One operator skilled in ultrasonography will identify and locate diaphragm using the hyperechoic pleural and peritoneal layers with an Philips IU22 Color Doppler Ultrasound Diagnostic Instrument. Anesthesia method: After the patient entered the operating room, venous access will be opened in the forearm, and routine monitoring of non-invasive BP, ECG, oxygen saturation(SpO₂) and bispectral index(BIS) will be performed. During anesthesia induction, propofol 2.5mg/kg and sufentanil 5μg/kg will be injected intravenously. When the BIS value drops below 60, the muscle relaxation monitor will be calibrated. After T1 and TOF are stable, rocuronium will be injected intravenously at 0.6 mg/kg. By the time T1=0, endotracheal intubation will be given, and the respiratory parameters will need to be adjusted to volume control ventilation (VT 8-10 ml/kg, respiratory rate(RR) 12-18 times/min, and PETCO2 35-45 mmHg). During the maintenance stage of anesthesia, the pneumoperitoneum pressure will be at a low level of 8-10mmHg, propofol target-controlled infusion(TCI) will be applied to maintain the plasma concentration of 2.5-5.5 μg/mL, remifentanil TCI will be used to keep the plasma concentration of 0.5-5 ng/mL, and rocuronium will be continuously pumped intravenously with 0.3-0.6 mg/kg/h for deep muscle relaxations, with the the post-tetanic twitch count (PTC) value of 1 to 2. Muscle relaxation monitoring: TOF-Watch SX muscle relaxation monitor is going to be adopted in our study. The investigators will standardize the electrode position of the muscle relaxation monitor. The distal electrode will be placed at the intersection of the radial edge of the ulnar flexor carpi and the proximal edge of the wrist curve, while the proximal electrode will be placed 3-6 cm away from the distal electrode. Two electrodes will put on either side of the predicted location of the ulnar nerve, which will be able to minimize the impact caused by misjudgment of the location of the nerve. Measurement of diaphragmatic thickness: When B-mode ultrasound will be used to measure the thickness of the diaphragm, a 5-12MHz linear array ultrasound probe will be put in the left midaxillary line between the 8-10 costale, where is called the diaphragmatic zone of apposition (ZAP). In the breathing exercise, the diaphragm is relatively fixed at ZAP, and the breathing action has little influence on the movement of the diaphragm at ZAP, the diaphragm only shows systolic and diastolic changes. Therefore, the measurement of the diaphragm thickness at ZAP can truly reflect the overall thickness change of the diaphragm during the respiratory cycle. Each value will be measured three times in three consecutive breathing cycles, and the average of the nine measurements will be taken. The values of diaphragmatic thickness at the end of inspirations (DTEI) and diaphragmatic thickness at the end of expirations (DTEE) will be recorded respectively, then the change rate of diaphragmatic thickness fraction (DTF) = (DTEI - DTEE) / DTEE × 100% will be calculated. In addition, the recover rate of DTF = (pre-anesthetic DTEI - postoperative DTEI) / pre-anesthetic DTEI × 100% also will be figured out. Ultrasound measurements should be performed by two physicians with ultrasound experience. Results will be kept confidential to the investigator, who will analyze the ultrasound data when the research is over. The infusion of anesthetic drugs should be stopped at the end of surgery, and the patients will be transferred into the Post-Anesthesia Care Unit (PACU) with endotracheal catheters and continued monitoring. When the TOF value was ≥2%, patients in each group will be given SUG (2mg/kg), respectively. The researchers will record the recovery conditions of diaphragmatic function monitored by bedside ultrasound at the immediate time,10min, 30min and 2h after extubation.


Recruitment information / eligibility

Status Recruiting
Enrollment 99
Est. completion date December 2022
Est. primary completion date December 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria: - 1.Age between 18 and 65 years old. - 2.Patients scheduled for laparoscopic radical resection of liver cancer under general anesthesia. - 3.Patients ASA classification ?-?. - 4.Body mass index 18.5 kg/m2 ~ 24.9 kg/m2 - 5.Able to give informed consent. - 6.The surgical position is suitable for BIS monitoring and muscle relaxation monitoring. Exclusion Criteria: - 1.Patients with allergic to rocuronium and SUG. - 2.Patients with central and peripheral nervous system diseases, such as polio, Parkinson's disease, peripheral neuropathy, etc.. - 3.Patients with neuromuscular system diseases, such as multiple sclerosis, myasthenia gravis, atrophic myotonia, etc.. - 4.Patients with diaphragm dysfunction, pneumothorax, pleural effusion, mediastinal pneumatosis. - 5.Pregnant women or nursing mothers. - 6.Judging by the researchers, patients with other conditions who are unsuitable for clinical trials.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
sugammadex
This study is a prospective, double-blind, low-intervention, non-randomized controlled clinical trial involving 99 patients with American Society of Anesthesiologists ?-?, body mass index 18.5-24.9 kg/m2, who will undergo laparoscopic radical resection of liver cancer under general anesthesia in the Wuhan Union Hospital. Ultrasonography will be applied to monitor the change rate of diaphragm thickness at different time after extubation to evaluate the recovery rate of muscle relaxant, which indirectly reflects the dose-effect relationship of SUG antagonizing against rocuronium in patients with different liver Child-Pugh grades preoperatively.

Locations

Country Name City State
China Union Hospital of Tongji Medical College of Huazhong University of Science and Technology Wuhan Hubei

Sponsors (1)

Lead Sponsor Collaborator
Wuhan Union Hospital, China

Country where clinical trial is conducted

China, 

References & Publications (10)

Ariño-Irujo JJ, Calbet-Mañueco A, De la Calle-Elguezabal PA, Velasco-Barrio JM, López-Timoneda F, Ortiz-Gómez JR, Fabregat-López J, Palacio-Abizanda FJ, Fornet-Ruiz I, Pérez-Cajaraville J. [Neuromuscular blockade monitoring. Part 1]. Rev Esp Anestesiol Reanim. 2010 Mar;57(3):153-60. Review. Spanish. — View Citation

Aytac I, Postaci A, Aytac B, Sacan O, Alay GH, Celik B, Kahveci K, Dikmen B. Survey of postoperative residual curarization, acute respiratory events and approach of anesthesiologists. Braz J Anesthesiol. 2016 Jan-Feb;66(1):55-62. doi: 10.1016/j.bjane.2012.06.011. Epub 2014 Apr 4. — View Citation

Brull SJ, Kopman AF. Current Status of Neuromuscular Reversal and Monitoring: Challenges and Opportunities. Anesthesiology. 2017 Jan;126(1):173-190. Review. — View Citation

Fuchs-Buder T, Schmartz D. [Residual neuromuscular blockade]. Anaesthesist. 2017 Jun;66(6):465-476. doi: 10.1007/s00101-017-0325-1. Review. German. Erratum in: Anaesthesist. 2017 Aug;66(8):578. — View Citation

Hawkins J, Khanna S, Argalious M. Sugammadex for Reversal of Neuromuscular Blockade: Uses and Limitations. Curr Pharm Des. 2019;25(19):2140-2148. doi: 10.2174/1381612825666190704101145. Review. — View Citation

Murphy GS, Brull SJ. Residual neuromuscular block: lessons unlearned. Part I: definitions, incidence, and adverse physiologic effects of residual neuromuscular block. Anesth Analg. 2010 Jul;111(1):120-8. doi: 10.1213/ANE.0b013e3181da832d. Epub 2010 May 4. Review. — View Citation

Naguib M, Magboul MM. Adverse effects of neuromuscular blockers and their antagonists. Drug Saf. 1998 Feb;18(2):99-116. Review. — View Citation

Shaydenfish D, Wongtangman K, Eikermann M, Schaefer MS. The effects of acetylcholinesterase inhibitors on morbidity after general anesthesia and surgery. Neuropharmacology. 2020 Aug 15;173:108134. doi: 10.1016/j.neuropharm.2020.108134. Epub 2020 May 19. Review. — View Citation

Tao J, Zhang W, Yue H, Zhu G, Wu W, Gong W, Fang H, He G, Hu X, Zhao H, Liu A. Prevalence of Hepatitis B Virus Infection in Shenzhen, China, 2015-2018. Sci Rep. 2019 Sep 26;9(1):13948. doi: 10.1038/s41598-019-50173-5. — View Citation

Whittaker R, Wedell D. Review of neuromuscular blockers. Compendium. 1991 Jun;12(6):408, 410, 412 passim. Review. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary the recovery rate of muscle relaxation the incidence of residual muscle relaxation at different time points after the operation and the baseline recovery rate of the diaphragm(immediately after extubation, 10minutes, 30minutes and 2hours)
When the patients' consciousness and spontaneous breathing are restored, participants can open their eyes according to the doctor's instructions, shake hands firmly, and at the same time, participants can complete the movement of raising their head continuously for more than 5 seconds to remove the tracheal tube.
2 hours
Secondary muscle relaxation onset time the period from administration of rocuronium to tracheal intubation within 3 minutes
Secondary intraoperative rocuronium dosage The sum of the dose of rocuronium bromide used in induction and maintenance of anesthesia. through anesthesia completion, up to 2 hours
Secondary PACU monitoring time Total time patients are monitored in PACU after surgery. about 2 hours
Secondary the incidence of postoperative pulmonary complications incidence of postoperative pulmonary complications within seven days within 7 days after surgery
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