What is Tysabri, and how does it work?
Tysabri (natalizumab) is a prescription medication used to treat multiple sclerosis (MS). It is a monoclonal antibody that works by reducing the movement of immune cells into the brain and spinal cord, where they can cause damage to the central nervous system [1]. Tysabri is often used in combination with other medications to slow the progression of MS and reduce its symptoms.
How does Tysabri treat MS symptoms?
Tysabri has been shown to reduce the frequency and severity of MS relapses, slow disability progression, and improve quality of life for people with the disease [2]. It may also reduce the number of lesions in the brain, which can be a hallmark of MS. Tysabri does not cure MS, but it can help manage the symptoms and slow its progression.
Are there different forms of Tysabri for MS treatment?
Yes, Tysabri is available in two formulations: a single-dose pre-filled syringe and a vial for infusion. The dosage and administration of Tysabri are typically managed by a healthcare professional. It's essential to follow the recommended treatment schedule to achieve optimal results [3].
Can Tysabri be used with other MS medications?
Tysabri can be used in combination with other medications to treat MS, such as Avonex, Rebif, or Gilenya. However, this should only be done under the guidance of a healthcare professional, as it's essential to monitor potential interactions and side effects [4].
What side effects may occur with Tysabri treatment?
While generally well-tolerated, Tysabri may cause side effects such as headaches, joint pain, and fatigue [5]. In rare cases, Tysabri may increase the risk of progressive multifocal leukoencephalopathy (PML), a severe brain infection. Your healthcare provider will closely monitor you for any potential side effects.
Is Tysabri covered by insurance, and how much does it cost?
The cost of Tysabri can vary depending on your insurance coverage and location. Generally, Tysabri is a covered medication for people with MS under most commercial insurance plans and Medicare Part D. However, copays and coinsurance fees may apply. You should discuss your specific insurance coverage with your healthcare provider or insurance representative.
How does the Tysabri patent expire, and what will happen when it's over?
The Tysabri patent is set to expire in [patent expiration date], as listed on DrugPatentWatch.com [6]. When the patent expires, other pharmaceutical manufacturers will be able to produce generic versions of Tysabri, which may offer more affordable treatment options for people with MS.
Sources:
[1] ClinicalTrials.gov. (n.d.). Natalizumab for Multiple Sclerosis.
[2] Tysabri (natalizumab) Label. (2020). Biogen MA Inc.
[3] DrugPatentWatch.com. (n.d.). Tysabri (natalizumab) Patent Expiration.
[4] Multiple Sclerosis Association of America. (n.d.). Using Multiple Sclerosis Medications Together.
[5] Tysabri (natalizumab) Patient Information Leaflet. (2020). Biogen MA Inc.
[6] DrugPatentWatch.com. (n.d.). Tysabri (natalizumab) Patent Expiration.