Question 1

What is Enbrel?

Accepted Answer

Enbrel is a biologic medicine known as a tumor necrosis factor (TNF) blocker. It works by binding to TNF, a protein produced by the immune system that causes inflammation when present in excess amounts.

By interfering with this protein, the medication helps to reduce the inflammatory response in the body. This action helps to manage symptoms and prevent damage caused by certain overactive immune system conditions.

Question 2

What is Enbrel used for?

Accepted Answer

Enbrel is used to treat:

Rheumatoid arthritis

Polyarticular juvenile idiopathic arthritis

Psoriatic arthritis

Others

Question 3

How does Enbrel work?

Accepted Answer

Targeting Inflammation

Enbrel (etanercept) belongs to a class of medications known as tumor necrosis factor (TNF) blockers. TNF is a protein naturally produced by the body's immune system to help regulate inflammation and fight infections. However, in people with certain autoimmune diseases, the body produces too much of this protein.

How It Blocks TNF

When there is an excess of TNF, it triggers an overactive inflammatory response. This leads to the pain, stiffness, and tissue damage seen in conditions like rheumatoid arthritis, psoriatic arthritis, and plaque psoriasis. Enbrel works by mimicking a natural receptor in the body to neutralize this protein.

Binding to TNF: The medication acts like a sponge, attaching itself to excess TNF molecules in the bloodstream.

Preventing Receptor Attachment: By binding to these proteins, Enbrel prevents them from attaching to the actual receptors on the surface of healthy cells.

Reducing the Signal: Because the TNF cannot attach to the cells, the signal to create inflammation is never sent.

By neutralizing this specific part of the immune system, the medication helps to decrease the underlying inflammation that causes symptoms. Because it targets a specific protein rather than the entire immune system, it is classified as a biologic therapy.

Question 4

What are the active ingredients in Enbrel?

Accepted Answer

The active ingredient in Enbrel is etanercept .

Question 5

What are the side effects of Enbrel?

Accepted Answer

Common side effects of Enbrel may include:

Injection site reactions

Upper respiratory tract infection

Headache

Always consult with a healthcare professional about potential side effects.

Question 6

What drug class is Enbrel?

Accepted Answer

Enbrel belongs to the TNF inhibitor drug class.

Question 7

What is the dosage of Enbrel and how do I take it?

Accepted Answer

How to Administer Enbrel

Enbrel is given as a subcutaneous injection, which means it is injected into the fatty tissue just beneath the skin. It is available in several forms, including prefilled syringes and autoinjectors, which allow for self-administration after proper training from a healthcare professional.

Injection Sites

Common areas for injection include:

The front of the middle thighs.

The abdomen (avoiding the area within two inches of the navel).

The outer area of the upper arms (if someone else is giving the injection).

It is important to rotate injection sites each time a dose is given. New injections should be at least one inch away from a previous site. Do not inject into areas where the skin is tender, bruised, red, or hard.

Preparation and Use

Before using Enbrel, remove it from the refrigerator and allow it to reach room temperature naturally, which usually takes about 15 to 30 minutes. Do not heat it in a microwave or use hot water. Check the liquid to ensure it is clear and colorless; do not use it if it is cloudy, discolored, or contains large particles. Do not shake the medication, as this can damage the protein.

Missed Dose

If a dose is missed, it should be taken as soon as it is remembered. The next dose should then be taken at the regularly scheduled time. If it is almost time for the next dose, skip the missed dose and continue with the regular schedule. Do not use extra medicine to make up for a missed dose.

Question 8

Is Enbrel safe during pregnancy and breastfeeding?

Accepted Answer

Pregnancy

Information regarding the use of Enbrel during pregnancy is limited. While current evidence does not show a significantly increased risk of major birth defects, the medication does cross the placenta, especially during the third trimester. Because etanercept is an immunosuppressant, it may affect the immune system of the newborn.

If Enbrel is used during pregnancy, healthcare providers may recommend delaying certain live vaccines for the infant for several months after birth. It is important to inform the pediatrician if Enbrel was used during pregnancy to ensure a safe vaccination schedule.

Breastfeeding

Etanercept has been detected in low levels in human breast milk. It is a large protein molecule, and most experts believe that very little of the drug is absorbed by the infant because it is likely broken down in the baby's digestive system. However, the long-term effects on a nursing infant are not fully established.

Patients should discuss the benefits of breastfeeding and the clinical need for Enbrel with their doctor to determine the best course of action for both the parent and the child.

Question 9

What forms and strengths does Enbrel come in?

Accepted Answer

Available Forms

Enbrel is administered as a subcutaneous injection (under the skin). It is available in several different delivery formats to facilitate administration:

Prefilled Syringes: Single-dose syringes that come ready for manual injection.

SureClick Autoinjectors: Single-dose devices designed to automate the delivery of the medication.

Enbrel Mini Cartridges: Single-dose cartridges designed specifically for use with the reusable AutoTouch activator device.

Vials: Available as single-dose or multiple-dose vials. Some versions are provided as a liquid solution, while others are supplied as a lyophilized powder that must be reconstituted (mixed with a liquid) before use.

Question 10

What is the FDA approval status of Enbrel?

Accepted Answer

FDA Approval and Indications

Enbrel (etanercept) is approved by the U.S. Food and Drug Administration (FDA) for the treatment of several autoimmune and inflammatory conditions. These approved uses include:

Rheumatoid arthritis

Plaque psoriasis

Psoriatic arthritis

Ankylosing spondylitis

Polyarticular juvenile idiopathic arthritis

Boxed Warning

The FDA requires a boxed warning for Enbrel, which is the most serious type of warning for a medication. This warning highlights two primary risks:

Serious Infections: Patients taking Enbrel are at an increased risk for developing serious infections that may lead to hospitalization or death. These include tuberculosis (TB), bacterial sepsis, and invasive fungal infections.

Malignancies: Lymphoma and other cancers, some fatal, have been reported in children and adolescent patients using tumor necrosis factor (TNF) blockers like Enbrel.

Regulatory Requirements

Due to the risk of serious infections, the FDA requires healthcare providers to test patients for latent tuberculosis before starting Enbrel treatment and to monitor them for signs of infection during therapy. Enbrel is classified as a prescription-only biological product and is not available over-the-counter.

Question 11

What should I know about Enbrel and cost?

Accepted Answer

Insurance Coverage

Most insurance plans cover Enbrel, but they often require prior authorization. This is a process where your doctor must confirm the medication is medically necessary before the insurance company will pay for it. Some insurance companies may also require step therapy, which means you must try other, often less expensive, treatments before they will approve Enbrel.

Financial Assistance

Financial assistance may be available for patients who qualify. Options often include:

Co-pay cards: These are typically available for patients with commercial insurance to help lower the amount paid at the pharmacy.

Patient assistance programs: These programs may provide the medication at no cost or a reduced cost for individuals who are uninsured or have limited income and meet specific eligibility criteria.

Medicare and Medicaid

For those on Medicare Part D, the cost of Enbrel can vary depending on the specific plan and the current coverage phase, such as the deductible or the coverage gap. Medicaid coverage varies by state and specific plan requirements.

Biosimilars

Biosimilar versions of etanercept are designed to be more affordable alternatives to Enbrel. While some have received FDA approval, their availability and whether they are covered by your insurance can vary. In many cases, a doctor must specifically prescribe the biosimilar for it to be dispensed, as they are not always interchangeable at the pharmacy level.

Enbrel

Medication Quick Facts

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