Sugammadex In Sterile Water (sugammadex sodium in sterile water)

Reversal of NM Blocking-Selective Relaxant Binding Type Intravenous Syringe (ML)

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Last reviewed · Source: First Databank (FDB) drug data

Overview

Sugammadex sodium, a modified gamma-cyclodextrin, is a selective relaxant binding agent.

Sugammadex, a modified gamma-cyclodextrin, is a selective relaxant binding agent. Sugammadex reverses neuromuscular blockade by binding to and forming a complex with (i.e., encapsulating) steroidal nondepolarizing neuromuscular blocking agents (e.g., rocuronium, vecuronium), thereby reducing the amount of neuromuscular blocking agent available to bind to nicotinic cholinergic receptors in the neuromuscular junction. Sugammadex forms a complex with free rocuronium or vecuronium molecules in plasma in a 1:1 ratio; because of its cyclodextrin structure (hydrophilic molecule with a lipophilic core), the drug specifically encapsulates lipophilic (e.g., steroidal) molecules.

Among the steroidal neuromuscular blocking agents, sugammadex exhibits higher binding affinity for rocuronium than vecuronium, and a much lower affinity for pancuronium. The drug does not exhibit any binding affinity for succinylcholine, mivacurium, atracurium, or cisatracurium.

Commercially available sugammadex sodium injection may contain up to 7% of the monohydroxy derivative of the drug. The binding affinity of the monohydroxy derivative for rocuronium or vecuronium is approximately half that of sugammadex; however, products with up to 7% of the monohydroxy derivative have demonstrated nearly similar efficacy in reversing rocuronium- or vecuronium-induced neuromuscular blockade.

Pharmacokinetics of sugammadex are based on the total concentration of free plus complex-bound sugammadex; the pharmacokinetic parameters of complex-bound sugammadex are assumed to be the same as those of free sugammadex. Sugammadex exhibits linear pharmacokinetics after administration of single IV doses of 1-16 mg/kg. Neither sugammadex nor the complex of sugammadex and rocuronium binds to plasma proteins or erythrocytes.

Sugammadex binds to hydroxyapatite in vitro; in animal studies, the drug distributed into and was retained in sites of active mineralization with a mean half-life of 172 and 8 days in bone and teeth, respectively. Sugammadex is not metabolized. The drug is principally eliminated by the kidneys (96%), almost completely as unchanged drug; over 90% of a dose is excreted within 24 hours.

Less than 0.02% of a dose is excreted in the feces or expired. The elimination half-life of sugammadex is about 2 hours in anesthetized patients with normal renal function, and 4, 6, or 19 hours in patients with mild, moderate, or severe renal impairment, respectively. Hemodialysis using a high-flux filter removes about 70% of the drug over 3-6 hours.

Pharmacokinetics of sugammadex do not appear to be affected by age, gender, race, or obesity.

Generic name: sugammadex sodium in sterile water
Drug class: Reversal of NM Blocking-Selective Relaxant Binding Type
Therapeutic class: Locomotor System

Reference product & biosimilars

No reference, biosimilar or interchangeable associated with this drug.

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Indications

No indications are available for this drug.

Dosing

Dosage of sugammadex sodium is expressed in terms of sugammadex.

The appropriate dose and timing of sugammadex should be based on twitch response monitoring and the extent of spontaneous recovery that has occurred. Recommended doses are based on actual body weight (ABW) and not on the anesthetic regimen used. Use of lower than recommended doses of sugammadex may lead to an increased risk of recurrence of neuromuscular blockade and is therefore not recommended.

No clinically relevant differences in pharmacokinetic parameters have been observed between obese patients and the general population when the drug is dosed according to ABW. The current evidence therefore supports the use of ABW-based dosing for sugammadex in patients who are morbidly obese (body mass index (BMI) >=40 kg/m2) irrespective of the depth of neuromuscular blockade.

If readministration of a steroidal neuromuscular blocking agent is required (e.g., for intubation) after reversal with sugammadex, a minimum wait time should be observed. (See Readministration of Neuromuscular Blocking Agents under Cautions.)

Drug interactions

Sugammadex is not likely to be metabolized by cytochrome P-450 (CYP) enzymes; therefore, CYP-mediated drug interactions are not expected.

Based on binding affinities between sugammadex and other drugs, pharmacokinetic-pharmacodynamic models, and data from preclinical and clinical studies, no clinically important pharmacodynamic drug interactions other than with toremifene and hormonal contraceptives are expected with sugammadex.

Contraindications

*Known hypersensitivity to the drug or any ingredient in the formulation. (See Anaphylaxis and Hypersensitivity under Cautions.)

Adverse reactions

Adverse effects reported in 10% or more of patients receiving sugammadex in clinical studies and with an incidence greater than that observed with placebo include vomiting, pain, nausea, hypotension, and headache.

Precautions

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ICD codes

No ICD codes are available for this drug.

Formulary status

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Last reviewed · Source: First Databank (FDB) drug data