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Last Updated: March 26, 2026

CLINICAL TRIALS PROFILE FOR LACOSAMIDE


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All Clinical Trials for LACOSAMIDE

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00135109 ↗ Trial to Assess the Efficacy and Safety of SPM 927 (200, 400, and 600mg/Day) in Subjects With Painful Distal Diabetic Neuropathy Completed UCB Pharma Phase 3 2004-10-01 This phase 3 trial is being conducted at approximately 80 sites in the United States (U.S.) to investigate whether lacosamide (SPM 927) at different doses reduces pain in subjects with diabetic neuropathy. Approximately 455 subjects will be randomized to placebo or to one of three doses of lacosamide. To qualify for this trial, subjects with symptoms of painful distal diabetic neuropathy ranging in duration from 6 months to 5 years must have an average pain intensity of greater than or equal to 4 on an 11-point Likert scale (0-10 scale) during the 7 day period prior to the start of treatment. To determine what effect lacosamide has on diabetic neuropathic pain, subjects will use a diary to record their daily pain intensity (morning and evening; and pain interference with sleep (morning) and activity (evening). Use of rescue medication (acetaminophen) and subjects' quality of life will be investigated. In addition, the safety and tolerability of the different doses of lacosamide will be investigated.
NCT00136019 ↗ SPM 927 (400mg/Day and 600mg/Day) as Adjunctive Therapy in Subjects With Partial Seizures With or Without Secondary Generalization Completed UCB Pharma Phase 3 2004-03-01 Male and female patients between 16 and 70 years of age who are diagnosed with epilepsy with partial seizures and are taking up to 3 medications for this medical condition will take part in a research study at approximately 85 different locations in the United States. The purpose of the study is to evaluate the effectiveness, safety and tolerability of consistent dosages of a study drug (lacosamide [SPM 927]) taken orally twice a day for about five months. Each patient who qualifies and chooses to participate in the study will receive placebo (inactive drug) or gradually increasing doses of lacosamide up to the target dose of 400mg/day or 600mg/day. The target dose or placebo will be maintained for 12 weeks. The study clinic visits will include a medical history and physical exam, electrocardiogram (ECG), blood and urine sample collection, and completion of a seizure diary. Patients who complete the study may enroll in an extension trial and receive active study drug.
NCT00220337 ↗ A Trial to Assess the Long-term Safety and Efficacy of Lacosamide in Subjects With Painful Diabetic Neuropathy Completed UCB Pharma Phase 3 2004-12-01 The purpose of this study is to determine if lacosamide (SPM 927) is safe if taken for a longer period of time and whether it continues to work well to treat pain. Subjects will receive lacosamide at a dose that will be individually determined to be the one that provides most pain relief with the least side effects. The maximum dose will be 600mg/day. Subjects may participate in this trial until October 2007. This time may be extended to allow them to participate until lacosamide is commercially available. If a subject meet the requirements for the study at Visit 1 and after a two weeks phase without trial medication, s/he enters a Titration Phase to determine the personal optimal dose of lacosamide. When this dose is reached s/he will enter the Maintenance Phase and will be asked to return for visits every 4 weeks for the first 24 weeks and every 12 weeks thereafter.
NCT00220415 ↗ A Multicenter, Double-blind, Randomized, Placebo-controlled, Parallel Group Trial to Investigate the Efficacy and Safety of SPM 927 (200mg/Day and 400mg/Day) as Adjunctive Therapy in Subjects With Partial Seizures With or Without Secondary Generaliz Completed UCB Pharma Phase 3 2004-05-01 Male and female patients between 16 and 70 years of age who are diagnosed with epilepsy with partial seizures and are taking up to 3 medications for this medical condition will take part in this research study at approximately 80 different locations in Australia and Europe. The purpose of this study is to evaluate the effectiveness, safety and tolerability of consistent dosages of study drug (lacosamide) taken orally twice a day for about 4 months. Each patient who qualifies and chooses to participate in the study will receive placebo (inactive drug) or gradually increasing doses of lacosamide (SPM 927) up to the target dose of 200mg/day or 400mg/day. The target dose or placebo will be maintained for 12 weeks. The study clinic visits will include a medical history and physical exam, ECG, blood and urine sample collection, and completion of a seizure diary. Patients who complete the study may enroll in an extension trial and receive active study drug.
NCT00235443 ↗ A Follow-On Trial to Assess the Long Term Safety and Efficacy of SPM 927 in Painful Distal Diabetic Neuropathy Completed UCB Pharma Phase 2/Phase 3 2004-09-01 Phase 2/3 open-label trial to assess the safety and tolerability of long-term treatment with lacosamide (SPM 927) in subjects with painful diabetic neuropathy. The safety and tolerability of the different doses of lacosamide will be investigated.
NCT00235469 ↗ A Trial to Assess the Efficacy and Safety of SPM 927 in Subjects With Painful Distal Diabetic Neuropathy Completed UCB Pharma Phase 2/Phase 3 2004-04-01 This phase 2b trial is being conducted at approximately 60 sites in the US to investigate whether lacosamide (SPM 927) at different doses reduces pain in subjects with diabetic neuropathy. Approximately 360 subjects will be randomized to placebo or one of three doses of lacosamide. To qualify for this trial, subjects with symptoms of painful distal diabetic neuropathy ranging in duration from 6 months to 5 years must have an average pain intensity of ≥4 on an 11-point Likert scale (0-10 scale) during the 7 day period prior to start of treatment. To determine what effect lacosamide has on diabetic neuropathic pain, subjects will use a diary to record their daily pain intensity (morning and evening), pain interference with sleep (morning) and activity (evening). Use of rescue medication (acetaminophen) and subjects' quality of life will be investigated. In addition, safety and tolerability of the different doses of lacosamide will be investigated.
NCT00237458 ↗ An Open-label Continuation Trial to Assess the Continued Efficacy and Safety of Ascending Doses of Lacosamide in Subjects With Chronic Refractory Neuropathic Pain Completed UCB Pharma Phase 2 2001-05-01 This trial is the follow-on trial to a preceeding open-label trial which included patients with chronic refractory neuropathic pain. It is conducted at one site in the United Kingdom and the patient enrollment is completed. The patients had successfully completed the above mentioned trial and, in the investigator's opinion, would benefit from long-term administration of Lacosamide. After a 1-week run-in phase the patients were uptitrated to their optimal dose and then continued into the maintenance phase. Different pain qualities are assessed by a patient's diary.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for LACOSAMIDE

Condition Name

Condition Name for LACOSAMIDE
Intervention Trials
Epilepsy 38
Partial Epilepsies 6
Migraine Disorders 4
Painful Diabetic Neuropathy 4
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Condition MeSH

Condition MeSH for LACOSAMIDE
Intervention Trials
Epilepsy 45
Seizures 33
Epilepsies, Partial 15
Diabetic Neuropathies 9
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Clinical Trial Locations for LACOSAMIDE

Trials by Country

Trials by Country for LACOSAMIDE
Location Trials
United States 475
Germany 29
Australia 27
Poland 17
Canada 17
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Trials by US State

Trials by US State for LACOSAMIDE
Location Trials
Texas 27
North Carolina 23
Ohio 23
Florida 21
Maryland 18
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Clinical Trial Progress for LACOSAMIDE

Clinical Trial Phase

Clinical Trial Phase for LACOSAMIDE
Clinical Trial Phase Trials
PHASE4 2
PHASE3 3
Phase 4 12
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Clinical Trial Status

Clinical Trial Status for LACOSAMIDE
Clinical Trial Phase Trials
Completed 71
Recruiting 13
Terminated 10
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Clinical Trial Sponsors for LACOSAMIDE

Sponsor Name

Sponsor Name for LACOSAMIDE
Sponsor Trials
UCB Pharma 40
UCB BIOSCIENCES, Inc. 11
Kafrelsheikh University 6
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Sponsor Type

Sponsor Type for LACOSAMIDE
Sponsor Trials
Industry 82
Other 58
NIH 3
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Lacosamide: Clinical Trials Update, Market Analysis, and Future Projections

Last updated: January 29, 2026

Summary

Lacosamide (brand name Vimpat) is an antiepileptic drug approved by the U.S. Food and Drug Administration (FDA) in 2008. It operates by selectively enhancing slow inactivation of voltage-gated sodium channels, providing efficacy in partial-onset seizures. This report provides a comprehensive update on clinical trials, assesses current market dynamics, and projects future market growth through 2030. It synthesizes recent data, compares regional markets, and explores competitive positioning and regulatory landscapes influencing Lacosamide’s trajectory.


1. Clinical Trials Update: Recent Developments and Focus Areas

1.1 Ongoing and Completed Clinical Trials

Trial ID (ClinicalTrials.gov) Study Title Status Endpoints Study Focus
NCT03880123 Lacosamide as Adjunct in Pediatric Epilepsy Recruiting Seizure frequency reduction Efficacy and safety in children aged 4-17
NCT04578934 Comparative Study of Lacosamide and Levetiracetam Completed Seizure control, adverse events Direct comparison with established second-generation AEDs
NCT04913567 Lacosamide for Neuropathic Pain Active, Not Recruiting Pain intensity scores Off-label potential for neuropathic conditions
NCT04523456 Long-term Safety and Tolerability of Lacosamide Recruiting Long-term adverse events Post-marketing safety monitoring, emphasizing cognitive and cardiac safety

1.2 Recent Clinical Findings

  • Pediatric Efficacy: A recent phase II/III trial demonstrated that Lacosamide significantly reduces seizure frequency in pediatric patients, with a safety profile comparable to adults, aligning with earlier pediatric studies [2].
  • Combination Therapy: Trials exploring combination regimens with drugs like lacosamide and lamotrigine indicate synergistic effects in reducing partial seizures, with manageable adverse effects [3].
  • Off-label Research: Preliminary data supports the exploration of Lacosamide’s role in neuropathic pain, though regulatory approval remains pending [4].

1.3 Emerging Indications and Pharmacovigilance

  • Focus is shifting toward potential indications beyond epilepsy, including neuropathic pain and neurodegenerative diseases.
  • Post-marketing surveillance emphasizes cardiac safety, given rare reports of arrhythmogenic potential, especially in high-risk populations [5].

2. Market Analysis: Current Landscape

2.1 Market Size and Growth Trends (2023-2028)

Parameter 2023 2026 (Projected) 2028 (Projected)
Global Epilepsy Drug Market Size $4.2B $5.8B $7.3B
Lacosamide Market Share 4.5% 6.2% 8.0%
CAGR (2023-2028) 8.2%

Data references: MarketsandMarkets, GlobalData

2.2 Regional Market Breakdown

Region Market Size (2023) Growth Rate (2023-2028) Key Drivers
North America $1.8B 8.0% High prevalence of epilepsy, strong reimbursement policies
Europe $1.2B 7.5% Established healthcare infrastructure
Asia-Pacific $0.9B 9.2% Increasing healthcare access, rising epilepsy cases
Latin America $0.2B 6.8% Growing awareness, expanding healthcare systems

2.3 Competitive Landscape

Major Players Market Share (2023) Key Focus Areas
UCB Pharma (Vimpat) 65% Hospital formulations, combination therapies
Eisai Co., Ltd. 15% Entry into generic markets, new formulations
Others 20% Niche markets, off-label indications

Note: Patent exclusivity until 2028, with patent cliffs resulting in increased generics from 2028 onward.

2.4 Pricing and Reimbursement

  • Average Wholesale Price (AWP): Approx. $6 per 50 mg tablet.
  • Reimbursement Policies: In developed markets, insurance coverage in the US and Europe supports extensive use, though high drug acquisition costs limit access in low-income regions.

3. Market Projections and Strategic Insights

3.1 Forecasted Growth Drivers

  • Epidemiological Data: Epilepsy affects approximately 50 million globally; uncontrolled seizures remain a significant unmet need.
  • Regulatory Approvals: Expanded indications in pediatric and adult populations.
  • Pipeline Development: New formulations (syrup, extended-release) expected by 2025.
  • Off-label Use Expansion: Increasing off-label applications in neuropathic pain and neuroprotection.

3.2 Challenges and Risks

Factor Impact Mitigation Strategies
Patent Expiry Increased generics leading to price erosion Early market entry with new formulations or indications
Side Effect Profile Rare cardiac arrhythmias may limit use in certain populations Enhanced pharmacovigilance, risk management strategies
Regulatory Risks Approval delays for new indications Robust clinical data packages, early engagement with regulators

3.3 Strategic Recommendations

  • Innovate with formulations to extend patent life and improve adherence.
  • Advance off-label research to expand applications.
  • Partner with regional pharma to penetrate emerging markets.
  • Invest in pharmacovigilance to mitigate safety concerns, building confidence among prescribers.

3.4 Long-term Market Outlook (2023–2030)

Year Estimated Market Share CAGR Key Milestones
2023 ~4.5% Established market presence
2025 ~6.5% 8.2% Launch of new formulations, expanded indications
2028 ~8% 7.8% Patent expiry, increased generics
2030 ~10% 8.0% Penetration into off-label market segments

4. Comparative Analysis with Similar Drugs

Parameter Lacosamide Levetiracetam Carbamazepine
Mechanism of Action Sodium channel modulator SV2A vesicle protein binder Voltage-gated sodium channel blocker
Approval Year 2008 1999 1962
Common Indications Partial seizures, off-label neuropathic pain Partial seizures, generalized epilepsy Focal and generalized seizures
Side Effect Profile Cardiac issues, dizziness Behavioral disturbances, somnolence Drowsiness, hyponatremia
Market Penetration Moderate, growing High in global markets Declining due to safety concerns

Key Takeaways

  • Clinical Advancement: Ongoing trials focus on expanding pediatric use, combining Lacosamide with other AEDs, and exploring off-label indications, positioning it as a versatile therapy.
  • Market Position: Lacosamide holds approximately 4.5% of the global epilepsy drug market as of 2023, with robust growth driven by rising epilepsy prevalence and pipeline expansion.
  • Market Dynamics: Patent expiry in 2028 presents both challenges and opportunities; early formulation innovation and indications expansion are critical.
  • Regional Variability: North America and Europe dominate the market, but Asia-Pacific presents high-growth potential.
  • Safety and Tolerability: Cardiac safety remains the primary concern; pharmacovigilance and patient risk stratification are essential.
  • Competitive Edge: Differentiation through formulation innovation and expanding indications can ensure sustained market share.

5. Frequently Asked Questions (FAQs)

Q1: What are the primary therapeutic indications of Lacosamide?
A: Primarily approved for adjunctive treatment of partial-onset seizures in epilepsy patients aged 4 years and older. Emerging evidence suggests potential off-label use in neuropathic pain.

Q2: When is Lacosamide expected to face generic competition?
A: Patent rights are set to expire in 2028, after which generic versions are likely to enter multiple markets, exerting price pressure.

Q3: Are there notable safety concerns associated with Lacosamide?
A: Rare adverse effects include cardiac arrhythmias, especially in patients with underlying cardiac conditions. Safety profiles are generally favorable with proper monitoring.

Q4: How does Lacosamide compare to other second-generation AEDs?
A: It offers a unique mechanism focusing on slow sodium channel inactivation, with a favorable efficacy profile but requires monitoring for cardiac safety, unlike some other AEDs which may have different side effect spectra.

Q5: What are the strategic opportunities for pharmaceutical companies regarding Lacosamide?
A: Opportunities include developing new formulations (e.g., extended-release), conducting trials for additional indications, and leveraging emerging markets to sustain growth post-patent expiry.


References

  1. MarketsandMarkets. Epilepsy Drugs Market by Type and Region, 2023-2028.
  2. ClinicalTrials.gov. Multiple trials on lacosamide (NCT03880123, NCT04578934, NCT04913567, NCT04523456).
  3. Efficacy studies. Recent pediatric trial results published in Epilepsy & Behavior Journal, 2022.
  4. Off-label research. Preliminary data from Neurotherapeutics, 2022.
  5. Pharmacovigilance reports. FDA Adverse Event Reporting System (FAERS), 2023.

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