USES
Berinert is administered through intravenous (IV) infusion. The infusion should be provided by a healthcare professional and must be given in an appropriate medical facility, while patients who have been trained by the healthcare provider can make self-administer the medicine at home during an acute HAE attack.
Dosage: The usual dosage of Berinert in adult and pediatric patients is 20 units/kg administered through an IV infusion. In some cases, the dosage may have to be adjusted based on the severity of the attack and the patient’s clinical response.
Administration: Berinert infusion is administered slowly over a time span of 5 to 10 minutes. The infusion must be observed for signs of allergic reaction or side effects before and after administration.
Frequency: Berinert is administered on demand during an acute attack. If the second dose is needed, it is administered 3 to 4 hours following the first dose.
WORKING
Hereditary angioedema is caused due to a lack or the malfunctioning of C1 esterase inhibitor, one of the key proteins that regulate and control the functioning of a part of the immune response called the complement system. Normally, when low levels of C1-INH result in an overly active state of the complement system, substances are produced that may increase vascular permeability by causing fluid retention in the tissues, producing swelling.
Berinert works to provide an exogenous source of functional C1-INH, which helps regulate the complement system and prevent the activation of the proteins that lead to the swelling associated with HAE. Intravenous delivery of Berinert increases C1-INH levels within the bloodstream, which would reduce the activation of the complement pathway and thereby avoid or reduce the severity of angioedema attacks.
Berinert helps control swelling, relieve symptoms, and shorten the duration of acute HAE episodes by restoring normal function to the complement system. The drug is most effective when given early in an attack.
SIDE EFFECTS
Although Berinert is safe, there are always possible side effects, such as
Allergic Reactions: This can manifest as rash, itching, shortness of breath, or swelling, and it may call for emergency medical attention.
Headache: Some patients experience mild headache following the infusion of Berinert.
Fever or Chills: It is a possible sign of a reaction to the medication that may present during or after infusion.
Nausea: There is usually some mild discomfort in the gastrointestinal system.
Dizziness or Dizziness: In line with any intravenous drug, dizziness could happen at the time of the infusion and post-infusion.
WARNINGS
Hypersensitivity: Patients with known hypersensitivity to Berinert or any of its components should not receive it. Any signs of allergic reaction should be immediately addressed by discontinuing the infusion and seeking emergency care.
Thromboembolic Events: Although rare, patients with a history of blood clotting disorders or those at increased risk of thromboembolic events (such as deep vein thrombosis or pulmonary embolism) should use Berinert with caution. Close monitoring is recommended.
Monitoring: Patients receiving Berinert should be monitored for signs of anaphylaxis, especially during the initial infusion. Medical personnel should be available to manage any serious allergic reactions or complications.
Pregnancy and Breastfeeding: The safety of Berinert in pregnancy and breastfeeding has not been established. Thus, it should be used during pregnancy or breastfeeding only if the potential benefits outweigh the potential risks.
Renal and Liver Function: Caution should be exercised when using Berinert in patients with impaired liver or kidney function, as their ability to process the drug may be affected.
INTERACTIONS
Immunosuppressive Drugs: Using Berinert with immunosuppressants may increase the risk of infections, as both can affect the immune system.
Anticoagulants: Combining Berinert with blood thinners like warfarin may increase the risk of bleeding, so monitoring is advised.
Live Vaccines: Berinert should not be used with live vaccines, as it can affect immune responses and may reduce the effectiveness of the vaccine.
Other C1 Esterase Inhibitors: When used alongside other C1 esterase inhibitors, there may be an increased risk of adverse effects like allergic reactions or fever. Always consult a healthcare provider before combining treatments.
DOSAGE
For Acute Attacks of Hereditary Angioedema (HAE):
Dose: 20 units/kg body weight, given as intravenous infusion.
The dose can be repeated after 3-4 hours if the signs and symptoms continue.
The cumulative dose for each patient will depend on the weight; the physician will determine how much to give to a patient.
PRESCRIPTION
Berinert is a prescription drug and, therefore, needs to be prescribed by a doctor. It is generally prescribed for patients with hereditary angioedema who experience acute attacks. Because Berinert is given intravenously, it can be given only in the presence of medical care; however, for patients who meet certain conditions, they can be educated on self-administration.
FAQ's
What is Berinert?
- Berinert is a medication used for the treatment of acute attacks of hereditary angioedema (HAE).
How does Berinert work?
- It works by supplying a replacement for C1 esterase inhibitor, which helps regulate blood vessel stability and reduces swelling.
What are the common uses of Berinert?
- Berinert is used primarily to treat and prevent episodes of swelling in patients with hereditary angioedema.
How is Berinert administered?
- Berinert is given as an intravenous (IV) injection by a healthcare professional or can be self-administered after proper training.
What are the possible side effects of Berinert?
- Common side effects include headache, nausea, fatigue, and possible infusion site reactions like swelling or pain.
Is Berinert safe for everyone?
- While generally safe for HAE patients, it may not be suitable for individuals with certain allergies or specific medical conditions. Always consult a healthcare provider.
Can Berinert be used during pregnancy?
- The safety of Berinert during pregnancy is not well established. Pregnant women should consult their healthcare provider before use.
What should I do if I miss a dose of Berinert?
- If you miss a scheduled dose, follow your healthcare provider’s instructions on when to administer Berinert again.
Can Berinert be taken with other medications?
- Berinert may interact with other medications. It’s important to inform your doctor about all medications you’re currently taking.
How quickly does Berinert work after administration?
- Many patients may experience relief from symptoms within 1 to 2 hours after receiving the injection.
Is Berinert a controlled substance?
- No, Berinert is not classified as a controlled substance.
How should Berinert be stored?
- Berinert should be stored in a refrigerator and protected from light. Do not freeze it.
Are there any long-term effects of using Berinert?
- Long-term studies are ongoing, but as with any medication, regular monitoring by a healthcare provider is recommended for long-term users.
Can children use Berinert?
- Yes, Berinert can be used in children with hereditary angioedema, but the prescribing physician will determine the appropriate dosage.
What factors influence the dosage of Berinert?
- Dosage depends on the patient’s body weight, severity of HAE attacks, and the specific treatment plan established by a healthcare provider.
What should be done in case of an allergic reaction to Berinert?
- Seek immediate medical assistance if you experience symptoms of an allergic reaction, such as rash, itching, or difficulty breathing.
Can I self-administer Berinert at home?
- Yes, some patients can be trained to self-administer Berinert at home after consulting with their healthcare provider.
Is Berinert effective for all types of angioedema?
- Berinert is specifically effective for hereditary angioedema and is not indicated for other types of angioedema.
What is the difference between Berinert and other HAE treatments?
- Berinert specifically provides C1 inhibitor replacement, while other treatments may work through different mechanisms to manage HAE symptoms.
Where can I find more information about Berinert?
- For more information, consult a healthcare provider or visit reputable medical websites like the FDA or the product’s prescribing information.