Long-term use of antiepileptic drug Vimpat® (lacosamide) reduced seizure frequency and severity and improved health-related quality of life measures
Data presented at the 65th Annual Meeting of the American Epilepsy Society
• First presentation of pooled Vimpat® data showed a
decrease in partial-onset seizure frequency and consistent efficacy
in patients undergoing open-label treatment for up to eight
years
• Long-term treatment with Vimpat® was associated with
statistically significant improvements in health-related quality of
life standards, including seizure worry, social functioning, and
overall health state
Brussels (Belgium), December 5th, 1830 CET, 2011 – UCB today
announced new findings for Vimpat® (lacosamide) that offer
additional support regarding the long-term effects of the
antiepileptic drug (AED) as an adjunctive therapy for adults with
uncontrolled partial-onset seizures. The data demonstrate reduced
seizure severity and improvements in measures of health-related
quality of life (HRQoL). These and other Vimpat® data were
presented at the 65th Annual Meeting of the American Epilepsy
Society (AES) in Baltimore, Md.
Analyses of pooled data from open-label extensions of several Phase II/III trials showed that treatment with lacosamide was generally well-tolerated and associated with decreased partial-onset seizures for up to eight years.
“Collectively, this body of evidence showed that lacosamide reduced seizure frequency and improved health-related quality of life, as reported by patients. And these effects were maintained over a long-term basis,” said Dr. William Rosenfeld, MD, Director, The Comprehensive Epilepsy Care Center for Children and Adults, St. Louis, Mo.
Additional analyses of pooled data from open-label extensions of several Phase II/III trials highlighted patients’ self-reported improvements in HRQoL during long-term treatment with lacosamide. Specific areas of improvements reported by patients were seizure worry and social functioning. Patients also consistently reported feelings of improvements in their overall health state.
Vimpat® is indicated as adjunctive therapy for the treatment of partial-onset seizures in adults with epilepsy. The most common adverse reactions reported in pivotal trials and occurring in 10 percent or more of Vimpat®-treated patients, and greater than placebo, were dizziness, headache, nausea, and diplopia. Additional important safety information for Vimpat® is available at the end of the press release.
Data presented at AES used the following measurement scales:
Quality of Life in Epilepsy scale (QOLIE-31) is an epilepsy-specific assessment with 31 questions that ask patients about their health-related quality of life. Responses to the questions are ranked on a scale of 0 (worst possible quality of life) to 10 (best possible quality of life).
Seizure Severity Questionnaire (SSQ) allows patients to review various aspects of their seizures, such as altered consciousness and cognitive, emotional, and physical effects.
Patient Global Impression of Change (PGIC) is a scale that allows patients to rank how much they think their condition has changed during the treatment period of the trial. The scale ranges from 0 (much better) to 10 (much worse).
Summary of Vimpat® Data:
Abstract 2.233: Evaluation of Long-Term Treatment with Lacosamide for Partial-Onset Seizures: A Pooled Analysis of Open-Label Extension Trials
This analysis of pooled data from three open-label extension trials examined the effects of open-label treatment with lacosamide exposure up to 8 years in patients with partial-onset seizures. A total of 1,054 patients initiated open-label lacosamide treatment, representing 2,997.8 patient-years exposure. Results showed that treatment with lacosamide up to eight years was generally well tolerated and associated with a reduction in seizure frequency and maintenance of efficacy over time. Additionally, no new safety concerns were identified related to long-term treatment with lacosamide.
The median modal dose of lacosamide (i.e., the dose that patients used most often during the trial) was 400mg/day for a minimum treatment duration of three days up to a maximum duration of 2,913 days (~8 years). The median maximum daily dose was 500mg/day. However, the maximum FDA-approved dose for Vimpat® is 400 mg/day.
Abstract 2.244: Effect of Long-Term Lacosamide on Patient-Reported Health-Related Quality of Life and Seizure Severity by Seizure Subtype
This analysis of pooled data from open-label extensions of three Phase II/III trials demonstrated that long-term lacosamide therapy was associated with improvements in health-related quality of life (HRQoL) and substantial reductions in seizure severity among adults with complex partial seizures (CPS) and secondary generalized partial seizures (SGPS) who responded to treatment. Improvements in HRQoL and reduction in seizure severity were greater in patients who achieved a 50 percent reduction in seizure frequency compared to individuals who did not respond to treatment.
• For QOLIE-31:
At Week 48, CPS responders (n=362) reported improvements in
all QOLIE-31 scores with clinically meaningful improvements
specifically in seizure worry (+10.81) and social functioning
(+4.03). CPS non-responders (n=267) had substantially smaller
improvement in seizure worry and social functioning, and worsening
in all other scores.
At Week 48, SGPS responders (n=183) showed clinically meaningful
improvements in seizure worry (+13.34), overall quality of life
(+6.75), social functioning (+7.26), and total score (+5.36). SGPS
non-responders (n=99) had meaningful improvement in social
functioning (+4.25), but smaller improvements or worsening in all
other scores.
• For SSQ:
CPS responders (n=244) reported substantially improved
severity scores of up to -1.16 on the overall score, with
non-responders (n=196) reporting smaller changes of up to
-0.54.
SGPS responders (n=132) reported improvements of up to -1.24 for
overall score, with non-responders (n=75) reporting smaller changes
of up to -0.63.
Abstract 2.246: Lacosamide Added to Concomitant AEDs Grouped by Mechanism of Action – Impact on Patient-Reported Health-Related Quality of Life in Pooled Phase II/III Trials
This post-hoc analysis of pooled data from open-label extensions of three Phase II/III trials found that the impact of treatment with lacosamide on health-related quality of life (HRQoL) was dependent on the dose and sodium channel properties of the concomitant AED regimen. However, adding lacosamide up to 400 mg/day for patients taking any combination of AEDs led to generally stable HRQoL.
Abstract 2.245: Improved Seizure Severity, Health-Related Quality of Life and Health Status Reported by Patients During Long-Term Treatment with Lacosamide: Analysis of Pooled Open-Label Data
This analysis of pooled data from open-label extensions of three Phase III trials demonstrated that after one year of lacosamide treatment, patients reported significant improvements in seizure severity and health-related quality of life (HRQoL), including seizure worry, social functioning, and overall health state.
• For QOLIE-31:
On average, patients reported improvements on all QOLIE-31
subscales with the exception of medication effects.
Significant improvements were found for seizure worry (+7.36),
social functioning (+2.84), and total score (+1.66).
At Week 48, at least one-third of patients showed clinically
meaningful improvement on all QOLIE-31 subscales, specifically
seizure worry (47.7 percent) and social functioning (47.7
percent).
• For SSQ:
At Week 48, patients reported a significant mean improvement
on all SSQ subscales, including cognitive, emotional, and physical
effects during and after seizures.
• For PGIC:
A majority of patients (67.7 percent) reported improvement in
their overall health state, with nearly half (46.9 percent) placed
in the “very much” or “much improved”
categories.
About Epilepsy
Epilepsy is a chronic neurological disorder affecting approximately
50 million people worldwide and three million people in the U.S.
Anyone can develop epilepsy; it occurs across all ages, races and
genders. Uncontrolled seizures and medication side effects pose
challenges to independent living, learning and employment, so the
goal of epilepsy treatment is seizure freedom with minimal side
effects. In the U.S., more than one million patients continue to
have seizures despite initial therapy, and more than 800,000
continue to have seizures despite treatment with two or more
therapies. [1],[2]
About Vimpat®
Vimpat® tablets and injection were launched in the US in May
2009 as an add-on therapy for the treatment of partial-onset
seizures in people with epilepsy who are aged 17 years and older.
Vimpat® injection is a short-term replacement when oral
administration is not feasible in these patients. Vimpat® oral
solution was launched in June 2010. The availability of the oral
tablets, oral solution, and intravenous (IV) injection allows for
consistent treatment in a hospital setting. The most common adverse
reactions occurring in greater than or equal to 10 percent of
Vimpat®-treated patients, and greater than placebo, were
dizziness, headache, nausea, and diplopia. Additional important
safety information for Vimpat® is available at the end of the
press release.
In the European Union, Vimpat® (film-coated tablets and solution for infusion) is approved as adjunctive therapy for the treatment of partial-onset seizures with or without secondary generalization in patients with epilepsy aged 16 years and older. Vimpat® solution for infusion may be used when oral administration is temporarily not feasible.
The maximum approved daily dose for Vimpat® in the European Union and the U.S. is 400 mg/day.
Important safety information about Vimpat® (C-V) in the U.S.
Warnings and Precautions
AEDs increase the risk of suicidal behavior and ideation. Patients
taking Vimpat® should be monitored for the emergence or
worsening of depression, suicidal thoughts or behavior, and/or any
unusual changes in mood or behavior.
Patients should be advised that Vimpat® may cause dizziness, ataxia, and syncope. Caution is advised for patients with known cardiac conduction problems, who are taking drugs known to induce PR interval prolongation, or with severe cardiac disease. In patients with seizure disorders, Vimpat® should be gradually withdrawn to minimize the potential of increased seizure frequency. Multiorgan hypersensitivity reactions have been reported with antiepileptic drugs. If this reaction is suspected, treatment with Vimpat® should be discontinued.
Vimpat® oral solution contains aspartame, a source of phenylalanine. A 200 mg dose of Vimpat® oral solution (equivalent to 20 mL) contains 0.32 mg of phenylalanine.
Common Adverse Reactions
The most common adverse reactions occurring in ≥10 percent of
Vimpat®-treated patients, and greater than placebo, were
dizziness, headache, nausea, and diplopia.
Dosage adjustments are recommended for patients with mild or moderate hepatic impairment or severe renal impairment. The use of Vimpat® in patients with severe hepatic impairment is not recommended.
For full prescribing information on Vimpat®, visit http://www.vimpat.com/prescribing-information.aspx (Accessed 18th October, 2011).
For more information on Vimpat®, visit www.Vimpat.com or contact UCB at (800) 477-7877.
Vimpat® (C-V) is a Schedule V controlled substance.
Vimpat® is a registered trademark used under license from
Harris FRC Corporation.
Important safety information about Vimpat® in the EU and EEA
Vimpat® is indicated as adjunctive therapy in the treatment of partial-onset seizures with or without secondary generalization in patients with epilepsy aged 16 years and older. Lacosamide solution for infusion is an alternative for patients when oral administration is temporarily not feasible. Contraindications: Hypersensitivity to the active substance or any of the excipients; known second- or third-degree atrioventricular (AV) block. Special warnings and precautions for use: Treatment with lacosamide has been associated with dizziness which could increase the occurrence of accidental injury or falls. Therefore, patients should be advised to exercise caution until they are familiar with the potential effects of the medicine. Prolongations in PR interval with lacosamide have been observed in clinical studies. Cases with second- and third-degree AV block associated with lacosamide treatment have been reported in post-marketing experience. Lacosamide should be used with caution in patients with known conduction problems or severe cardiac disease such as a history of myocardial infarction or heart failure. Caution should especially be exerted when treating elderly patients as they may be at an increased risk of cardiac disorders or when lacosamide is used in combination with products known to be associated with PR prolongation. Second-degree or higher AV block has been reported in post-marketing experience. In the placebo-controlled trials of lacosamide in epilepsy patients, atrial fibrillation or flutter were not reported; however, both have been reported in open-label epilepsy trials and in post-marketing experience. Patients should be made aware of the symptoms of second-degree or higher AV block (e.g. slow or irregular pulse, feeling of lightheadedness and fainting) and of the symptoms of atrial fibrillation and flutter (e.g. palpitations, rapid or irregular pulse, shortness of breath). Patients should be counseled to seek medical advice should any of these symptoms occur. Suicidal ideation and behavior have been reported in patients treated with antiepileptic agents. Therefore patients should be monitored for signs of suicidal ideation and behaviors and appropriate treatment should be considered. Patients (and caregivers of patients) should be advised to seek medical advice should signs of suicidal ideation or behavior emerge. The solution for infusion contains sodium, which should be taken into consideration for patients on a controlled sodium diet. Effects on ability to drive and use machines: Lacosamide may have minor to moderate influence on the ability to drive and use machines. Lacosamide treatment has been associated with dizziness and blurred vision. Accordingly patients should be advised not to drive a car or to operate other potentially hazardous machinery until they are familiar with the effects of lacosamide on their ability to perform such activities. Laboratory abnormalities: Abnormalities in liver function tests have been observed in controlled trials with lacosamide in adult patients with partial-onset seizures who were taking 1-3 concomitant antiepileptic drugs. Elevations of ALT to ≥3XULN occurred in 0.7% (7/935) of lacosamide patients and 0% (0/356) of placebo patients. Multiorgan Hypersensitivity Reactions: Multiorgan hypersensitivity reactions have been reported in patients treated with some antiepileptic agents. These reactions are variable in expression but typically present with fever and rash and can be associated with involvement of different organ systems. Potential cases have been reported rarely with lacosamide and if multiorgan hypersensitivity reaction is suspected, lacosamide should be discontinued. Undesirable effects: The most common adverse reactions (≥10%) are dizziness, headache, diplopia, and nausea. Other common adverse reactions (≥1%<10%) are depression, confusional state, insomnia, balance disorder, coordination abnormal, memory impairment, cognitive disorder, somnolence, tremor, nystagmus, hypoesthesia, dysarthria, disturbance in attention, vision blurred, vertigo, tinnitus, vomiting, constipation, flatulence, dyspepsia, dry mouth, pruritus, rash, muscle spasms, gait disturbance, asthenia, fatigue, irritability, injection site pain or discomfort (specific to solution for infusion), irritation (specific to solution for infusion), fall, and skin laceration. Refer to the European Summary of Product Characteristics for other adverse reactions and full prescribing information. Date of revision: 15 November, 2011.
http://www.ema.europa.eu/docs/en_GB/document_library/EPAR_-_Product_Information/human/000863/WC500050338.pdf (Accessed 18th October, 2011).
References
1. http://epilepsyfoundation.org/aboutepilepsy/
2.
http://epilepsyfoundation.org/aboutepilepsy/treatment/index.cfm
Further Information
Andrea Levin
Senior Manager, Communications & PR, CNS, UCB, Inc.
T 770.970.8352
Andrea.levin@ucb.com
Eimear O Brien
Associate Director, Global CNS Communications,
T +32.2.559.9271
Eimear.obrien@ucb.com
Abut UCB
UCB, Brussels, Belgium (www.ucb.com) is a global biopharmaceutical
company focused on the discovery and development of innovative
medicines and solutions to transform the lives of people living
with severe diseases of the immune system or of the central nervous
system. With more than 8 500 people in about 40 countries, the
company generated revenue of EUR 3.2 billion in 2010. UCB is listed
on Euronext Brussels (symbol: UCB).
Forward-looking statements
This press release contains forward-looking statements based on
current plans, estimates and beliefs of management. Such statements
are subject to risks and uncertainties that may cause actual
results to be materially different from those that may be implied
by such forward-looking statements contained in this press release.
Important factors that could result in such differences include:
changes in general economic, business and competitive conditions,
effects of future judicial decisions, changes in regulation,
exchange rate fluctuations and hiring and retention of its
employees.
LCM-PRR—O11084-112011
For more information contact:
UCB Media Room
e:UCB.MediaRoom@ucb.com
Posted: December 2011
