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The following serious adverse reactions associated with Venofer are described in other sections [See WARNINGS AND PRECAUTIONS].
Adverse Reactions in Clinical Trials
Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug may not reflect the rates observed in practice.
Adverse Reactions in Adult Patients with CKD
The frequency of adverse reactions associated with the use of Venofer has been documented in six clinical trials involving 231 patients with HDD-CKD, 139 patients with NDD-CKD and 75 patients with PDD-CKD. Treatment-emergent adverse reactions reported by ≥ 2% of treated patients in the six clinical trials for which the rate for Venofer exceeds the rate for comparator are listed by indication in Table 1. Patients with HDD-CKD received 100 mg doses at 10 consecutive dialysis sessions until a cumulative dose of 1000 mg was administered. Patients with NDD-CKD received either 5 doses of 200 mg over 2 weeks or 2 doses of 500 mg separated by fourteen days, and patients with PDD-CKD received 2 doses of 300 mg followed by a dose of 400 mg over a period of 4 weeks.
Table 1: Treatment-Emergent Adverse Reactions Reported in
≥ 2% of Study Populations and for which the Rate for Venofer Exceeds the
Rate for Comparator
|Adverse Reactions (Preferred Term)||HDD-CKD||NDD-CKD||PDD-CKD|
|Subjects with any adverse reaction||78.8||76.3||73.4||72||65.2|
|Ear and Labyrinth Disorders|
|General Disorders and Administration Site Conditions|
|Infusion site pain or burning||0||5.8||0||0||0|
|Injection site extravasation||0||2.2||0||0||0|
|Infections and Infestations|
|Nasopharyngitis, Sinusitis, Upper respiratory tract infections, Pharyngitis||2.6||2.2||4.3||16||4.3|
|Injury, Poisoning and Procedural Complications|
|Metabolism and Nutrition Disorders|
|Musculoskeletal and Connective Tissue Disorders|
|Pain in extremity||5.6||4.3||0||2.7||6.5|
|Nervous System Disorders|
|Respiratory, Thoracic and Mediastinal Disorders|
|Skin and Subcutaneous Tissue Disorders|
One hundred thirty (11%) of the 1,151 patients evaluated in the 4 U.S. trials in HDD-CKD patients (studies A, B and the two post marketing studies) had prior other intravenous iron therapy and were reported to be intolerant (defined as precluding further use of that iron product). When these patients were treated with Venofer there were no occurrences of adverse reactions that precluded further use of Venofer [See WARNING AND PRECAUTIONS].
Adverse Reactions in Pediatric Patients with CKD (ages 2 years and older)
In a randomized, open-label, dose-ranging trial for iron maintenance treatment with Venofer in pediatric patients with CKD on stable erythropoietin therapy [see Clinical Studies], at least one treatment-emergent adverse reaction was experienced by 57% (27/47) of the patients receiving Venofer 0.5 mg/kg, 53% (25/47) of the patients receiving Venofer 1.0 mg/kg, and 55% (26/47) of the patients receiving Venofer 2.0 mg/kg.
A total of 5 (11%) subjects in the Venofer 0.5 mg/kg group, 10 (21%) patients in the Venofer 1.0 mg/kg group, and 10 (21%) patients in the Venofer 2.0 mg/kg group experienced at least 1 serious adverse reaction during the study. The most common treatment-emergent adverse reactions ( > 2% of patients) in all patients were headache (6%), respiratory tract viral infection (4%), peritonitis (4%), vomiting (4%), pyrexia (4%), dizziness (4%), cough (4%), renal transplant (4%), nausea (3%), arteriovenous fistula thrombosis (2%), hypotension (2%), and hypertension (2.1%).
Adverse Reactions from Post-Marketing Experience
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. In the post-marketing safety studies in 1,051 treated patients with HDD-CKD, the adverse reactions reported by > 1% were: cardiac failure congestive, sepsis and dysgeusia.
The following adverse reactions have been identified during post-approval use of Venofer. 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: Anaphylactic-type reactions, shock, loss of consciousness, collapse, bronchospasm, dyspnea, convulsions, lightheadedness, confusion, angioedema, swelling of the joints, hyperhidrosis, back pain, bradycardia, and chromaturia.
Symptoms associated with Venofer total dosage or infusing too rapidly included hypotension, dyspnea, headache, vomiting, nausea, dizziness, joint aches, paresthesia, abdominal and muscle pain, edema, and cardiovascular collapse. These adverse reactions have occurred up to 30 minutes after the administration of Venofer injection. Reactions have occurred following the first dose or subsequent doses of Venofer. Symptoms may respond to IV fluids, hydrocortisone, and/or antihistamines. Slowing the infusion rate may alleviate symptoms.
Injection site discoloration has been reported following extravasation. Assure stable intravenous access to avoid extravasation.
Read the Venofer (iron sucrose injection) Side Effects Center for a complete guide to possible side effects
Drug interactions involving Venofer have not been studied. However, Venofer may reduce the absorption of concomitantly administered oral iron preparations.
Read the Venofer Drug Interactions Center for a complete guide to possible interactions
Last reviewed on RxList: 10/10/2012
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