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1.
Paediatr Anaesth ; 32(3): 436-445, 2022 Mar.
Article in English | MEDLINE | ID: mdl-34878707

ABSTRACT

BACKGROUND: Few randomized studies have assessed recovery from rocuronium- or vecuronium-induced moderate or deep neuromuscular blockade with sugammadex in pediatric participants. AIM: To assess sugammadex for reversal of neuromuscular blockade in pediatric participants. METHODS: This was a randomized, phase IV, active comparator-controlled, double-blind study. Participants aged 2 to <17 years, under moderate or deep neuromuscular blockade, were administered sugammadex (2 or 4 mg/kg) or neostigmine (50 µg/kg; for moderate neuromuscular blockade only). Predefined adverse events of clinical interest, including clinically relevant bradycardia, hypersensitivity, and anaphylaxis, were monitored. The primary efficacy endpoint was time to recovery to a train-of-four ratio of ≥0.9 in participants receiving sugammadex 2 mg/kg versus neostigmine for reversal of moderate neuromuscular blockade, analyzed by analysis of variance adjusted for neuromuscular blocking agent and age. RESULTS: Of 288 randomized participants, 272 completed the study and 276 were included in the analyses. Clinically relevant bradycardia was experienced by 2.0%, 1.6%, and 5.9% of participants in the sugammadex 2 mg/kg, sugammadex 4 mg/kg, and neostigmine groups, respectively. No hypersensitivity or anaphylaxis events were observed. Recovery to a train-of-four ratio of ≥0.9 with sugammadex 2 mg/kg was faster than neostigmine (1.6 min, 95% CI 1.3 to 2.0 vs. 7.5 min, 95% CI 5.6 to 10.0; p < .0001) and was comparable to sugammadex 4 mg/kg (2.0 min, 95% CI 1.8 to 2.3). CONCLUSIONS: Pediatric participants recovered from rocuronium- or vecuronium-induced moderate neuromuscular blockade significantly faster with sugammadex 2 mg/kg than with neostigmine. Time to reversal of deep neuromuscular blockade with sugammadex 4 mg/kg was consistent with that of moderate neuromuscular blockade reversal. No meaningful differences in clinically relevant bradycardia, hypersensitivity, or anaphylaxis were seen with sugammadex vs neostigmine. These results support the use of sugammadex for reversal of moderate and deep rocuronium- and vecuronium-induced neuromuscular blockade in patients aged 2 to <17 years. CLINICAL TRIAL REGISTRATION: NCT03351608/EudraCT 2017-000692-92.


Subject(s)
Anaphylaxis , Anesthetics , Neuromuscular Blockade , Neuromuscular Nondepolarizing Agents , Anaphylaxis/chemically induced , Anesthetics/adverse effects , Bradycardia/chemically induced , Child , Humans , Neostigmine , Neuromuscular Blockade/methods , Neuromuscular Nondepolarizing Agents/adverse effects , Rocuronium , Sugammadex/adverse effects , Vecuronium Bromide/adverse effects
2.
BMC Anesthesiol ; 21(1): 62, 2021 02 27.
Article in English | MEDLINE | ID: mdl-33639839

ABSTRACT

BACKGROUND: This randomized, double-blind trial evaluated sugammadex-mediated recovery time from rocuronium- or vecuronium-induced moderate (M-) or deep (D-) neuromuscular block in morbidly obese adults dosed by actual (ABW) or ideal body weight (IBW). METHODS: Adults with BMI ≥40 kg/m2 were randomized to 1 of 5 groups: M-neuromuscular block, sugammadex 2 mg/kg ABW; M-neuromuscular block, sugammadex 2 mg/kg IBW; M-neuromuscular block, neostigmine 5 mg, and glycopyrrolate 1 mg; D-neuromuscular block, sugammadex 4 mg/kg ABW; or D-neuromuscular block, sugammadex 4 mg/kg IBW. Supramaximal train of four (TOF) stimulation of the ulnar nerve (TOF-watch SX®) monitored recovery. Primary endpoint was time to TOF ratio ≥ 0.9 for ABW and IBW groups pooled across neuromuscular blocking agent (NMBA)/blocking depth, analyzed by log-rank test stratified for agent and depth. Prespecified safety outcomes included treatment-emergent bradycardia, tachycardia, and other arrhythmias, and adjudicated hypersensitivity and anaphylaxis. RESULTS: Of 207 patients randomized, 188 received treatment (28% male, BMI 47 ± 5.1 kg/m2, age 48 ± 13 years). Recovery was 1.5 min faster with ABW vs IBW dosing. The sugammadex 2 mg/kg groups recovered 9-fold faster [time 0.11-fold, 95% CI 0.08 to 0.14] than the neostigmine group. ABW (5.3%) and IBW (2.7%) groups had similar incidences of recovery time > 10 min (95% CI of difference: - 4.8 to 11.0%); 84% for neostigmine group. Re-curarization occurred in one patient each in the 2 mg/kg IBW and neostigmine groups. Prespecified safety outcomes occurred with similar incidences. CONCLUSIONS: ABW-based sugammadex dosing yields faster reversal without re-curarization, supporting ABW-based sugammadex dosing in the morbidly obese, irrespective of the depth of neuromuscular block or NMBA used. TRIAL REGISTRATION: Registered on November 17, 2017, at ClinicalTrials.gov under number NCT03346070 .


Subject(s)
Anesthesia Recovery Period , Body Weight/physiology , Neuromuscular Blockade/methods , Obesity, Morbid/physiopathology , Rocuronium/pharmacology , Sugammadex/administration & dosage , Vecuronium Bromide/pharmacology , Dose-Response Relationship, Drug , Double-Blind Method , Female , Humans , Ideal Body Weight/physiology , Male , Middle Aged , Neuromuscular Nondepolarizing Agents/pharmacology , Time Factors
3.
Anesthesiology ; 121(5): 969-77, 2014 Nov.
Article in English | MEDLINE | ID: mdl-25208233

ABSTRACT

BACKGROUND: Previous studies show a prolongation of activated partial thromboplastin time and prothrombin time in healthy volunteers after treatment with sugammadex. The authors investigated the effect of sugammadex on postsurgical bleeding and coagulation variables. METHODS: This randomized, double-blind trial enrolled patients receiving thromboprophylaxis and undergoing hip or knee joint replacement or hip fracture surgery. Patients received sugammadex 4 mg/kg or usual care (neostigmine or spontaneous recovery) for reversal of rocuronium- or vecuronium-induced neuromuscular blockade. The Cochran-Mantel-Haenszel method, stratified by thromboprophylaxis and renal status, was used to estimate relative risk and 95% confidence interval (CI) of bleeding events with sugammadex versus usual care. Safety was further evaluated by prespecified endpoints and adverse event reporting. RESULTS: Of 1,198 patients randomized, 1,184 were treated (sugammadex n = 596, usual care n = 588). Bleeding events within 24 h (classified by an independent, blinded Adjudication Committee) were reported in 17 (2.9%) sugammadex and 24 (4.1%) usual care patients (relative risk [95% CI], 0.70 [0.38 to 1.29]). Compared with usual care, increases of 5.5% in activated partial thromboplastin time (P < 0.001) and 3.0% in prothrombin time (P < 0.001) from baseline with sugammadex occurred 10 min after administration and resolved within 60 min. There were no significant differences between sugammadex and usual care for other blood loss measures (transfusion, 24-h drain volume, drop in hemoglobin, and anemia), or risk of venous thromboembolism, and no cases of anaphylaxis. CONCLUSION: Sugammadex produced limited, transient (<1 h) increases in activated partial thromboplastin time and prothrombin time but was not associated with increased risk of bleeding versus usual care.


Subject(s)
Blood Loss, Surgical , Neuromuscular Blockade , gamma-Cyclodextrins/pharmacology , Adolescent , Adult , Aged , Aged, 80 and over , Anesthesia Recovery Period , Blood Coagulation/drug effects , Blood Loss, Surgical/mortality , Double-Blind Method , Endpoint Determination , Female , Fibrinolytic Agents/adverse effects , Fibrinolytic Agents/therapeutic use , Humans , Male , Middle Aged , Sugammadex , Thrombosis/prevention & control , Young Adult , gamma-Cyclodextrins/adverse effects
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