Sevenfact Drug Information
Generic name: COAGULATION FACTOR VIIA RECOMBINANT HUMAN
Uses of Sevenfact
is indicated for the treatment and control of bleeding episodes occurring in adults and adolescents 12 years of age and older with hemophilia A or B with inhibitors. Limitation s of Use: SEVENFACT is not indicated for the treatment of patients with congenital Factor VII deficiency. SEVENFACT is a coagulation factor VIIa concentrate indicated for the treatment and control of bleeding episodes occurring in adults and adolescents 12 years of age and older with hemophilia A or B with inhibitors.
Limitation s of Use: SEVENFACT is not indicated for treatment of congenital factor VII deficiency.
Dosage & Administration of Sevenfact
| For Mild or Moderate bleeds | 75 mcg/kg repeated every 3 hours until hemostasis is achieved or Initial dose of 225 mcg/kg. If hemostasis is not achieved within 9 hours, additional 75 mcg/kg doses may be administered every 3 hours as needed to achieve hemostasis |
|---|---|
| For Severe bleeds | 225 mcg/kg, followed if necessary 6 hours later with 75 mcg/kg every 2 hours |
Side Effects of Sevenfact
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. The safety database described in this section reflect exposure to SEVENFACT in two clinical studies, Study 1 and Study 2. A total of 42 patients with Hemophilia A or B with or without inhibitors received SEVENFACT: 27 patients in Study 1 at doses 75 mcg/kg and 225 mcg/kg and 15 patients in Study 2 at three escalating dose levels 25 mcg/kg, 75 mcg/kg and 225 mcg/kg . The most common adverse reactions (incidence ≥1%) reported in clinical trials for SEVENFACT were headache, dizziness, infusion-site discomfort, infusion-site hematoma, infusion-related reaction, and fever. Adverse reactions reported in the two clinical studies are shown in Table 2. Table 2 Adverse Reactions Occurring in Clinical Studies Preferred Terms Number of Patient Adverse Reactions (% Incidence Rate) Study 2 (N=15) Number of A dverse R eactions * Study 2 Number of Patient Adverse Reactions (% Incidence Rate) Study 1 (N=27) Number of A dverse R eactions * Study 1 Infusion site discomfort - - 1 4 Infusion site hematoma - - 1 2 Dizziness 1 2 - - Headache 1 1 - - Body temperature increase - - 1 1 Infusion related reaction** 1 1 - - * Three patients experienced adverse reactions in Study 2 and two patients experienced adverse reactions in Study 1. ** Symptoms resolved without any intervention and did not recur with subsequent administration.
Warnings & Cautions for Sevenfact
Thrombosis Serious arterial and venous thrombosis can occur with coagulation factor
VIIa containing products including SEVENFACT. The following patients may have increased risk of thrombosis with use of SEVENFACT: History of congenital or acquired hemophilia receiving concomitant treatment with aPCC/PCC (activated or non-activated prothrombin complex) or other hemostatic agents History of atherosclerotic disease, coronary artery disease, cerebrovascular disease, crush injury, septicemia, or thromboembolism. Monitor patients who receive SEVENFACT for the development of signs and symptoms of activation of the coagulation system or thrombosis. When there is laboratory confirmation of intravascular coagulation or presence of clinical thrombosis, reduce the dose of SEVENFACT or stop treatment, depending on the patient’s condition.
Hypersensitivity and Infusion-Related Reactions Hypersensitivity and infusion-related reactions including anaphylaxis can occur
with coagulation factor VIIa containing products including SEVENFACT. Sign and symptoms may include hives, itching, rash, difficulty breathing, swelling around the mouth and throat, tightness of the chest, wheezing, dizziness or fainting, and low blood pressure. Patients with known IgE-based hypersensitivity to casein may be at higher risk of hypersensitivity reactions. In the event of hypersensitivity or infusion-related reactions, discontinue SEVENFACT and manage according to clinical practice guideline.
Neutralizing Antibodies Neutralizing antibodies may occur with the use of
SEVENFACT. If treatment with SEVENFACT does not result in adequate hemostasis, then suspect development of neutralizing antibody as the possible cause and perform testing as clinically indicated. Neutralizing antibodies to other Factor VIIa-containing products have been observed in congenital Factor VII-deficient patients. SEVENFACT has not been studied in this patient population. .
Laboratory Tests Laboratory coagulation parameters (PT/INR, aPTT
FVII:C) do not correlate with clinical response to SEVENFACT treatment.
Drug Interactions with Sevenfact
Clinical experience with pharmacologic use of FVIIa-containing products indicates an elevated risk of serious thrombotic events when used simultaneously with activated prothrombin complex concentrates. Clinical experience with pharmacologic use of FVIIa-containing products indicates an elevated risk of serious thrombotic events when used simultaneously with activated prothrombin complex concentrates.
Pregnancy Safety for Sevenfact
Pregnancy Risk Summary There are no adequate and well-controlled studies using SEVENFACT in pregnant women to determine whether there is a drug-associated risk. Animal studies evaluating the embryo-fetal teratogenic potential of SEVENFACT have not been conducted. It is unknown whether SEVENFACT can cause fetal harm when administered to a pregnant woman or can affect fertility.
In the U.S. general population, the estimated background risks of major birth defect and miscarriage in clinically recognized pregnancies are 2-4% and 15-20%, respectively.
Pediatric Use of Sevenfact
Pediatric Use The safety and effectiveness of SEVENFACT have been established for pediatric patients ≥ 12 years of age for the treatment and control of bleeding episodes. Limited clinical data for SEVENFACT in adolescents (≥12 to <18 years) were collected in an adult and adolescent study (Study 1). A total of five patients were dosed with SEVENFACT. These five patients were treated for a total of 79 bleeding episodes (all mild or moderate) that occurred while patients were still under 18 years of age. Hemostatic efficacy in this subgroup (n=5) was comparable to efficacy observed in the overall population.
The safety and effectiveness of SEVENFACT for the treatment and control of bleeding episodes have not been established in children < 12 years of age. Effectiveness was not demonstrated in a trial of 25 pediatric patients 6 months to < 12 years of age. The safety and effectiveness of SEVENFACT in infants less than 6 months of age have not been evaluated.
Contraindications for Sevenfact
is contraindicated in patients with: known allergy to rabbits or rabbit proteins. Exposure to SEVENFACT in these patients can result in severe hypersensitivity reaction. severe hypersensitivity reaction to SEVENFACT or any of its components. Exposure to SEVENFACT in these patients can result in severe hypersensitivity reaction.
Known allergy to rabbits or rabbit proteins. Severe hypersensitivity reaction to SEVENFACT or any of its components.
Clinical Studies of Sevenfact
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. The safety database described in this section reflect exposure to SEVENFACT in two clinical studies, Study 1 and Study 2. A total of 42 patients with Hemophilia A or B with or without inhibitors received SEVENFACT: 27 patients in Study 1 at doses 75 mcg/kg and 225 mcg/kg and 15 patients in Study 2 at three escalating dose levels 25 mcg/kg, 75 mcg/kg and 225 mcg/kg . The most common adverse reactions (incidence ≥1%) reported in clinical trials for SEVENFACT were headache, dizziness, infusion-site discomfort, infusion-site hematoma, infusion-related reaction, and fever. Adverse reactions reported in the two clinical studies are shown in Table 2. Table 2 Adverse Reactions Occurring in Clinical Studies Preferred Terms Number of Patient Adverse Reactions (% Incidence Rate) Study 2 (N=15) Number of A dverse R eactions * Study 2 Number of Patient Adverse Reactions (% Incidence Rate) Study 1 (N=27) Number of A dverse R eactions * Study 1 Infusion site discomfort - - 1 4 Infusion site hematoma - - 1 2 Dizziness 1 2 - - Headache 1 1 - - Body temperature increase - - 1 1 Infusion related reaction** 1 1 - - * Three patients experienced adverse reactions in Study 2 and two patients experienced adverse reactions in Study 1. ** Symptoms resolved without any intervention and did not recur with subsequent administration.
Drug information sourced from the FDA. This content is for informational purposes only and does not constitute medical advice. Consult a healthcare professional before making any medication decisions.
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