ETANERCEPT
Background and Date of Approval
Etanercept is a tumour necrosis factor inhibitor that received approval for medical use on 2 November 1998.
Uses
Etanercept Injection has been developed to treat various inflammatory conditions like rheumatoid arthritis, polyarticular juvenile idiopathic arthritis, psoriatic arthritis, ankylosing spondylitis and plaque psoriasis in patients older than 4 years of age.
How is it administered?
Etanercept is available as a single dose prefilled syringe in doses 25mg and 50mg. For adults with rheumatoid arthritis, psoriatic arthritis, and ankylosing Spondylitis, the recommended dose is 50mg subcutaneous injection once a week. For patients with plaque psoriasis, the recommended dosage is 50mg twice weekly for 3 months, followed by 50mg once a week. For pediatric patients with plaque psoriasis and polyarticular juvenile idiopathic psoriasis, the recommended dose is 0.8mg/kg once a week with a maximum dose of 50mg weekly.
Side Effects
The common side effects that are likely to occur while you are on the treatment with Etanercept Injection are sinus infections and injection site reactions like redness, pain, bleeding, and bruising. These effects go away on their own within a few days. If you experience allergies, extreme tiredness, infection, vision trouble, bleeding or bruising during this treatment, report to your doctor immediately.
Warnings
Do not receive Etanercept Injection if you are having an active infection. Contact your healthcare provider right away if you develop any symptoms of infection while on treatment with Etanercept. Etanercept is not recommended if you are allergic to any of its ingredients, or have a history of tuberculosis, heart problems, hepatitis B, demyelinating disease, nervous system disorders, lupus, or cancer. During this treatment, your physician will monitor your vitals to prevent serious complications. Inform your healthcare provider if you are about to undergo any dental or surgical procedures. Seek immediate medical attention if you notice vision changes, tingling, yellowing of skin, rashes, skin patches, unusual bruising, breathing trouble, hives, or chest pain.
Precautions
Ask your healthcare provider for advice if you are pregnant, think you might be pregnant, planning to have a baby, or breastfeeding your baby. Etanercept is probably unsafe during pregnancy and breastfeeding. Tell your doctor before you breastfeed your baby. Your doctor will decide whether you should receive Etanercept Injection or breastfeed depending on your condition. Discuss effective contraceptive methods with your healthcare provider to prevent unwanted pregnancy.
Word of Advice
Avoid driving or operating machinery if you experience any discomfort during treatment. Inform your doctor before receiving any vaccines and disclose all other medications and herbal supplements you are taking.
References
1. Amgen, U.S. Food and Drug Administration, [Revised on Jun 2022] [Accessed on 28th Sep 2022], https://www.pi.amgen.com/-/media/Project/Amgen/Repository/pi-amgen-com/enbrel/enbrel_pi.pdf 2. Ahmed A. Negm, & Daniel E. Furst, NSAIDs, Antirheumatic Drugs, Nonopioid Analgesics, & Drugs Used in Gout, Langeâs Basic and Clinical Pharmacology, 14th Edition, 2018, 642-666.
Frequently Asked Questions
What should I know before starting treatment with Etanercept Injection?
Before starting treatment with Etanercept, it is important to get tested for pregnancy, hepatitis B, active and latent tuberculosis and the presence of other infections.
Is Etanercept prescribed alone?
Etanercept can be used as a monotherapy to treat arthritis. However, majority of patients used Etanercept in combination with Methotrexate.
Is it safe to undergo a surgery during the treatment with Etanercept Injection?
Etanercept Injection is associated with an increased risk of bleeding and bruising. Hence it is advisable to consult your healthcare practitioner before going for surgery or dental procedure during this treatment. Your doctor might recommend discontinuing the treatment for the time being.
What should you not take with Etanercept injection?
It is not recommended to take live vaccines while on treatment with Etanercept Injection. Tell your healthcare provider if you are taking any prescription medicines, over-the-counter drugs, vitamins, or herbal supplements.
How to store Etanercept injection?
Store Etanercept injection in a refrigerator in its original container away from light. Do not shake or freeze the injection. Do not use if the injection was stored at room temperature for 14 days.
Who should not take Etanercept injection?
Etanercept Injection is not recommended for patients who are allergic to Etanercept and its ingredients. Tell your healthcare provider if you have been diagnosed with any food allergies or sensitivities.
How long does it take for Etanercept to work?
Etanercept can take about 2 weeks to start showing improvement in symptoms. It can take up to 3 months to achieve desired results with Etanercept Injection.