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  • Generic Name: rocuronium bromide injection
  • Brand Name: Zemuron
Last updated on MDtodate: 10/11/2022


In clinical trials, the most common adverse reactions (2%) are transient hypotension and hypertension.

The following adverse reactions are described, or described in greater detail, in other sections:

  • Anaphylaxis
  • Residual paralysis
  • Myopathy
  • Increased pulmonary vascular resistance

Clinical Trials Experience

Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.

Clinical studies in the US (n=1137) and Europe (n=1394) totaled 2531 patients. The patients exposed in the US clinical studies provide the basis for calculation of adverse reaction rates. The following adverse reactions were reported in patients administered ZEMURON (all events judged by investigators during the clinical trials to have a possible causal relationship):

Adverse reactions in greater than 1% of patients: None

Adverse reactions in less than 1% of patients (probably related or relationship unknown):

Cardiovascular: arrhythmia, abnormal electrocardiogram, tachycardia

Digestive: nausea, vomiting

Respiratory: asthma (bronchospasm, wheezing, or rhonchi), hiccup

Skin and Appendages: rash, injection site edema, pruritus

In the European studies, the most commonly reported reactions were transient hypotension (2%) and hypertension (2%); these are in greater frequency than the US studies (0.1% and 0.1%). Changes in heart rate and blood pressure were defined differently from in the US studies in which changes in cardiovascular parameters were not considered as adverse events unless judged by the investigator as unexpected, clinically significant, or thought to be histamine related.

In a clinical study in patients with clinically significant cardiovascular disease undergoing coronary artery bypass graft, hypertension and tachycardia were reported in some patients, but these occurrences were less frequent in patients receiving beta or calcium channel-blocking drugs. In some patients, ZEMURON was associated with transient increases (30% or greater) in pulmonary vascular resistance. In another clinical study of patients undergoing abdominal aortic surgery, transient increases (30% or greater) in pulmonary vascular resistance were observed in about 24% of patients receiving ZEMURON 0.6 or 0.9 mg/kg.

In pediatric patient studies worldwide (n=704), tachycardia occurred at an incidence of 5.3% (n=37), and it was judged by the investigator as related in 10 cases (1.4%).

Postmarketing Experience

The following adverse reactions have been identified during post-approval use of ZEMURON. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

Immune System Disorders

In clinical practice, there have been reports of severe allergic reactions (anaphylactic and anaphylactoid reactions and shock) with ZEMURON, including some that have been life-threatening and fatal.

General Disorders And Administration Site Conditions

There have been reports of malignant hyperthermia with the use of ZEMURON.



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