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Clinical Trial 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.
The mean age of the 1272 patients who received MAGNEVIST Injection in pre-market clinical trials was 46.4 years (range 2 to 93 years). Of these patients, 55% (700) were male and 45% (572) were female. Of the 1271 patients who received MAGNEVIST Injection and for whom race was reported, 82.1% (1043) were Caucasian, 9.7% (123) were Black, 5.3% (67) were Hispanic, 2.1% (27) were Oriental/Asian, and 0.9% (11) were other.
The most common adverse reaction was headache (4.8%). The majority of headaches were transient and of mild to moderate severity. Other adverse reactions that occurred in ≥ 1% of patients included: nausea (2.7%), injection site coldness/localized coldness (2.3%) and dizziness (1%).
The following additional adverse reactions occurred in less than 1% of the patients:
General Disorders: Injection site reactions, including phlebitis, pain, localized warmth, localized edema, and burning sensation; substernal chest pain, back pain, pyrexia, asthenia, feeling cold, generalized warmth, fatigue, and chest tightness, and anaphylactoid reactions characterized by cardiovascular, respiratory and/or cutaneous symptoms, such as dyspnea, bronchospasm, and cough. (See WARNINGS AND PRECAUTIONS.)
Respiratory System: Throat irritation, rhinitis, sneezing.
The following additional adverse reactions have been identified during postmarketing use of Magnevist. 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.
The most serious reactions were nephrogenic systemic fibrosis (see BOXED WARNING) and acute reactions including cardiac or respiratory arrest, anaphylactic shock, shock, respiratory distress, and laryngeal edema. Life threatening and/or fatal adverse reactions have been reported. The most frequently reported adverse reactions in the postmarketing experience were nausea, vomiting, urticaria and rash.
Hypersensitivity Reactions: Anaphylactic/anaphylactoid reactions that may be fatal and include cardiac or respiratory arrest, respiratory distress, cyanosis, laryngeal edema, laryngospasm, pharyngeal edema, and angioedema (see WARNINGS AND PRECAUTIONS).
Delayed hypersensitivity reactions have been reported up to several hours after administration of Magnevist.
Ear and Labyrinth Disorders: Hearing impaired.
Eye Disorders: Visual disturbance.
Musculoskeletal and Connective Tissue Disorder: Arthralgia.
Nervous System Disorders: Coma, parosmia, speech disorder.
Respiratory System: Respiratory arrest, pulmonary edema.
Skin: Erythema multiforme, pustules (rash pustular).
Read the Magnevist (gadopentetate dimeglumine) Side Effects Center for a complete guide to possible side effects
No information provided.This monograph has been modified to include the generic and brand name in many instances.
Last reviewed on RxList: 4/11/2012
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