EOVIST (Page 2 of 5)

5.4 Acute Kidney Injury

In patients with chronic renal impairment, acute kidney injury sometimes requiring dialysis has been observed with the use of some GBCAs. The risk of acute kidney injury might be lower with EOVIST due to its dual excretory pathways. Do not exceed the recommended dose; the risk of acute kidney injury may increase with higher than recommended doses.

5.5 Extravasation and Injection Site Reactions

Ensure catheter and venous patency before the injection of EOVIST. Extravasation into tissues during EOVIST administration may result in local tissue reactions. Strictly avoid intramuscular administration of EOVIST because it may cause myocyte necrosis and inflammation [see Nonclinical Toxicology (13.2)].

5.6 Interference with Laboratory Tests

Serum iron determination using complexometric methods (for example, ferrocene complexation method) may result in falsely high or low values for up to 24 hours after the examination with EOVIST because of the caloxetate trisodium excipients [see Adverse Reactions (6.1)].

5.7 Interference with Visualization of Liver Lesions

Severe renal or hepatic failure may impair EOVIST imaging performance. In patients with end-stage renal failure, hepatic contrast was markedly reduced and was attributed to elevated serum ferritin levels. In patients with abnormally high (>3 mg/dL) serum bilirubin, reduced hepatic contrast was observed. If EOVIST is used in these patients, complete MRI no later than 60 minutes after EOVIST administration and use a paired non-contrast and contrast MRI set for diagnosis.

6 ADVERSE REACTIONS

The following serious adverse reactions are discussed elsewhere in the labeling:

Nephrogenic systemic fibrosis (NSF) [see Boxed Warning and Warnings and Precautions (5.1)]
Hypersensitivity reactions [see Contraindications (4) and Warnings and Precautions (5.2)]

6.1 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 clinical practice.

The adverse reactions described in this section reflect EOVIST exposure in 1,989 subjects with the majority (1,581 subjects) receiving the recommended dose. Overall, 59% of the subjects were men and the ethnic distribution was 64% Caucasian, 22% Asian, 3% Hispanic, 2% Black, and 0.5% of subjects consisted of other ethnic groups. The average age was 57 years (age range from 19 to 84 years).

Overall, 4% of subjects reported one or more adverse reactions following EOVIST administration. The most frequent (≥ 0.5%) adverse reactions associated with the use of EOVIST were nausea, headache, feeling hot, dizziness, and back pain. Adverse reactions were predominantly of mild to moderate severity.

Table 1 lists adverse reactions that occurred in ≥ 0.1% of subjects treated with EOVIST.

Table 1 Adverse Reactions

Reaction

Rate (%)n = 1581

Nausea

1.1

Headache

1.1

Feeling hot

0.8

Dizziness

0.6

Back pain

0.6

Vomiting

0.4

Blood pressure increased

0.4

Injection site reactions (pain, burning, coldness, extravasation, irritation)

0.4

Dysgeusia

0.4

Paresthesia

0.3

Flushing

0.3

Parosmia

0.3

Pruritus (generalized, eye)

0.3

Rash

0.3

Respiratory disorders (dyspnea, respiratory distress)

0.2

Fatigue

0.2

Chest pain

0.1

Vertigo

0.1

Dry mouth

0.1

Chills

0.1

Feeling abnormal

0.1

Adverse reactions that occurred with a frequency of < 0.1% in subjects who received EOVIST include: tremor, akathisia, bundle branch block, palpitation, oral discomfort, salivary hypersecretion, maculopapular rash, hyperhidrosis, discomfort, and malaise.

Elevation of serum iron values and serum bilirubin laboratory values were reported in less than 1% of patients after administration of EOVIST. The values did not exceed more than 3 times the baseline values and returned to baseline within 1 to 4 days.

6.2 Postmarketing Experience

The following additional adverse reactions have been reported during the postmarketing use of EOVIST. Because these reactions are reported voluntarily from a population of uncertain size, it is not possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

Hypersensitivity reactions (anaphylactic shock, hypotension, pharyngolaryngeal edema, urticaria, face edema, rhinitis, conjunctivitis, abdominal pain, hypoesthesia, sneezing, cough and pallor) [see Warnings and Precautions (5.2)]
Tachycardia
Restlessness
General Disorders and Administration Site Conditions: Adverse events with variable onset and duration have been reported after GBCA administration [see Warnings and Precautions (5.3)]. These include fatigue, asthenia, pain syndromes, and heterogeneous clusters of symptoms in the neurological, cutaneous, and musculoskeletal systems.
Skin: Gadolinium associated plaques

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