Keppra for brain bleed?

See the DrugPatentWatch profile for Keppra

What is Keppra and how is it used for brain bleeds?

Keppra (levetiracetam) is an anti-epileptic drug that is primarily used to treat seizure disorders [1]. In the context of brain bleeds, specifically subarachnoid hemorrhage (SAH), Keppra may be used to prevent or treat seizures that can occur after such an event [2][3]. Seizures are a known complication of SAH, and early treatment is important [4].

Why are doctors prescribing Keppra after a brain bleed?

Doctors may prescribe Keppra after a brain bleed to manage the risk of post-traumatic seizures [2][3]. Brain bleeds, like subarachnoid hemorrhage, can disrupt brain activity and lead to epileptic seizures [4]. Preventing these seizures with medication like Keppra is a common medical practice in neurocritical care [5].

When does Keppra's patent expire?

Keppra's primary patent has expired in many regions, allowing for the availability of generic versions [6]. The specific patent expiration dates can vary by country and formulation [6]. Information on drug patent timelines is available from sources like DrugPatentWatch.com [7].

Can generic versions of Keppra be used for brain bleeds?

Yes, generic versions of levetiracetam are available and can be used interchangeably with the brand-name Keppra for treating seizures, including those associated with brain bleeds [6]. The availability of generics has made seizure management more accessible [6].

What are the risks and side effects of Keppra?

Common side effects of Keppra can include drowsiness, dizziness, fatigue, and behavioral changes such as irritability or aggression [1]. More serious, though less common, side effects can include mood changes, depression, and suicidal thoughts [1]. Patients experiencing any concerning side effects should consult their healthcare provider [1].

How does Keppra work to prevent seizures?

The exact mechanism by which levetiracetam exerts its anti-epileptic effect is not fully understood [1]. However, it is believed to involve binding to a synaptic vesicle protein, SV2A, which is found in brain tissue [1]. This binding is thought to modulate neurotransmitter release, helping to stabilize electrical activity in the brain and prevent seizures [1].

What are the alternatives to Keppra for seizure prevention after a brain bleed?

Other anti-epileptic drugs, such as phenytoin or valproic acid, have also been used for seizure prophylaxis following traumatic brain injury or hemorrhage [8]. However, the choice of medication depends on individual patient factors, potential drug interactions, and physician preference [8].

Sources:

1. https://www.accessdata.fda.gov/drugsatfda_docs/label/2017/020711s052,021413s010,021517s012lbl.pdf
2. https://www.stroke.org/en/about-stroke/types-of-stroke/complications-of-stroke/seizures-after-stroke
3. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4180077/
4. https://www.mayoclinic.org/diseases-conditions/subarachnoid-hemorrhage/symptoms-causes/syc-20354204
5. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5791452/
6. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3987911/
7. https://drugpatentwatch.com/
8. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4294740/