Rare diseases
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Recruiting trials first
18 clinical trials in this condition
Phase 2 Study Evaluating OV329 on Photo‑Induced EEG Response in Adults with Epilepsy
The Netherlands[18F]CPFPX PET in Patients With Drug-Resistant Epilepsy and Healthy Subjects
FranceStudy on the Safety and Effectiveness of Sirolimus and Vigabatrin for Preventing Symptoms in Infants with Tuberous Sclerosis Complex
PolandStudy on the Effectiveness and Safety of Sirolimus for Patients with Drug-Resistant Epilepsy Linked to Tuberous Sclerosis Complex
PolandIn short
Epilepsy is a chronic brain condition that causes repeated seizures, affecting how people experience daily life. Although epilepsy cannot be cured yet, many treatment options can help control seizures and allow people to live full, active lives. From medications that calm abnormal brain activity to cutting-edge devices and experimental therapies tested in clinical trials, managing epilepsy has never been more hopeful.
When someone receives an epilepsy diagnosis, the main goal of treatment is to prevent or reduce seizures so they can go about their lives with as little disruption as possible. Treatment decisions depend on many factors, including the type of seizures a person experiences, how often they occur, the person's age, overall health, and how well they respond to different approaches. Some people achieve complete seizure freedom, while others see a significant reduction in seizure frequency and severity.
According to the World Health Organization, up to 70 percent of people living with epilepsy could become seizure-free if they are properly diagnosed and treated. This statistic offers hope, but it also highlights the importance of finding the right treatment plan for each individual. Treatment is not one-size-fits-all. What works for one person may not work for another, which is why doctors often try different medications or combinations before finding the best match.
Beyond medications, there are several other treatment options approved by medical organizations and used in standard clinical practice. These include special diets, surgical procedures, and implanted devices that help regulate brain activity. At the same time, researchers around the world are constantly testing new therapies in clinical trials, hoping to discover safer and more effective ways to treat epilepsy. People with epilepsy today have access to more choices than ever before, and ongoing research promises even better options in the future.
Living with epilepsy also means paying attention to lifestyle factors that can influence seizure control. Stress, lack of sleep, alcohol, and skipping medications can all trigger seizures in some people. Treatment is therefore not just about taking medicine—it's about building a complete management plan that includes healthy habits, safety precautions, and ongoing communication with healthcare providers.
The most common treatment for epilepsy is medication, often called anti-seizure medicine or anti-epileptic drugs. These medicines work by calming the electrical activity in the brain, making it less likely for abnormal bursts of electricity to trigger a seizure. Doctors carefully choose which medication to prescribe based on the type of seizures, the patient's age, sex, and any other health conditions they may have.
There are many different anti-seizure medications available, and each works in a slightly different way. Some common active substances used in epilepsy treatment include valproate, carbamazepine, lamotrigine, levetiracetam, and phenytoin. These drugs help to stabilize nerve cells in the brain and prevent the sudden, uncontrolled firing that leads to seizures. Finding the right medication can take time. A person might need to try one drug, wait to see if it works, and then switch or add another if seizures continue.
About two out of three people with epilepsy can control their seizures with medication. This is an encouraging number, but it also means that around one-third of people do not achieve full seizure control with standard drugs alone. These individuals may need to explore other treatment options or participate in clinical trials testing new therapies.
Taking anti-seizure medication requires consistency. It is very important to take the medicine exactly as prescribed, at the same time each day. Skipping doses or suddenly stopping medication can lead to withdrawal symptoms or even trigger life-threatening seizures. If a medication causes unpleasant side effects, it is crucial to talk to a doctor before making any changes.
Like all medications, anti-seizure drugs can cause side effects. Common side effects include feeling tired, weak, dizzy, or having trouble concentrating or remembering things. Some people experience mood changes, weight gain, or stomach upset. These effects vary depending on the specific drug and the individual. Not everyone will have side effects, and many side effects lessen over time as the body adjusts to the medication.
If a person has been seizure-free for two years or more, a doctor may suggest gradually reducing the medication to see if seizures return. This decision is made carefully, weighing the benefits of being medication-free against the risk of seizures coming back. Some people can eventually stop taking medication, while others need to continue treatment for life.
In addition to daily medication, some people are given emergency medicine to use if a seizure lasts longer than usual. This rescue medication is typically administered by a family member or caregiver and helps stop prolonged seizures before they become dangerous.
For people whose seizures do not respond well to medication—a condition known as drug-resistant epilepsy—other treatment options are available. About one-third of people with epilepsy continue to have seizures despite trying multiple medications. When this happens, doctors may recommend surgery, implanted devices, or a special diet to help control seizures.
Epilepsy surgery is an option when seizures come from a single, specific area of the brain. During surgery, the surgeon removes or disconnects the part of the brain where seizures start. This can stop seizures completely or make them easier to control with medication. Surgery is considered when the seizure-causing area can be safely removed without affecting important brain functions like speech, movement, or memory. Before surgery, patients undergo detailed testing, including brain scans and monitoring, to pinpoint the exact seizure origin.
Another treatment option involves implanted devices that help regulate brain activity. One such device is the vagus nerve stimulator, which is placed under the skin in the upper chest. It sends regular pulses of electrical energy through the vagus nerve to the brain, which can reduce the frequency and severity of seizures. Another type of device, called responsive neurostimulation, is implanted directly in the brain. It monitors brain activity and delivers electrical pulses to stop seizures before they start. These devices do not cure epilepsy, but they can significantly improve quality of life for people with hard-to-control seizures.
For some people, especially children whose seizures do not respond to medication, a special diet called the ketogenic diet can be helpful. This diet is very high in fat and very low in carbohydrates, which causes the body to burn fat for energy instead of sugar. This change in metabolism can reduce seizure activity in some individuals. The ketogenic diet must be prescribed by a doctor and monitored by a dietitian because it is strict and requires careful planning. It is not suitable for everyone, and some people find it difficult to follow long-term.
These alternative treatments are usually considered after medication has been tried and found insufficient. Each option has its own risks and benefits, and the decision to pursue surgery, a device, or a special diet is made together by the patient, their family, and a team of specialists.
Clinical trials are research studies where doctors test new treatments to see if they are safe and effective. For people with epilepsy, especially those who have not found relief with standard treatments, participating in a clinical trial can offer access to promising new therapies that are not yet widely available. These trials are carefully designed and closely monitored to protect participants while gathering important information about how new treatments work.
Clinical trials for epilepsy treatments are organized into different phases, each with a specific purpose. Phase I trials focus on safety. Researchers give the new treatment to a small group of people to see if it causes harmful side effects and to determine the right dose. Phase II trials test whether the treatment actually works—does it reduce seizures? These studies involve more participants and help researchers understand how effective the treatment is. Phase III trials compare the new treatment to the current standard treatment in a large group of people. If the new treatment proves to be as good as or better than existing options, it may be approved for general use.
One area of active research is the development of new anti-seizure medications with fewer side effects and better efficacy. These medications target different pathways in the brain to stop seizures from starting or spreading. Some experimental drugs work by affecting specific receptors or channels in brain cells, while others aim to reduce inflammation or protect nerve cells from damage. Researchers are also exploring medications that can be personalized based on a person's genetic makeup, which could lead to more effective and tailored treatments.
Another promising area of research is gene therapy, which involves changing or repairing genes inside a person's cells to treat disease. For epilepsy, scientists are investigating whether gene therapy can correct the genetic mutations that cause certain types of seizures or make brain cells less likely to fire abnormally. While gene therapy for epilepsy is still in early stages, it holds great potential for the future.
Immunotherapy is another innovative approach being tested. Some forms of epilepsy are thought to involve the immune system attacking the brain, leading to inflammation and seizures. Immunotherapy treatments aim to calm this immune response and reduce seizure activity. These treatments are being studied in clinical trials to see if they can help people with autoimmune or inflammatory epilepsy.
One specific substance that has gained attention in recent years is cannabidiol (CBD), a compound found in the cannabis plant. Unlike THC, CBD does not cause a "high." The U.S. Food and Drug Administration has approved one CBD-based medication called Epidiolex for treating seizures in people with certain rare and severe forms of epilepsy, including Lennox-Gastaut syndrome, Dravet syndrome, and tuberous sclerosis complex. This approval came after clinical trials showed that Epidiolex could significantly reduce seizure frequency in children and adults with these conditions. However, it is important to note that not all CBD products are the same, and many over-the-counter CBD products are not regulated or tested for safety and effectiveness.
Clinical trials for epilepsy are conducted in many countries, including the United States, Europe, and other regions. Eligibility to participate in a trial depends on factors such as the type of epilepsy, age, overall health, and whether other treatments have been tried. People interested in clinical trials should talk to their doctor, who can help them find appropriate studies and understand the potential risks and benefits of participation.
Preliminary results from some trials have shown encouraging outcomes. For example, certain new medications have led to a meaningful reduction in seizure frequency with a positive safety profile, meaning fewer or less severe side effects compared to older drugs. Other trials are exploring devices that can predict seizures before they happen, giving patients a chance to take preventive action. While not all experimental treatments will prove successful, each trial contributes valuable knowledge that helps scientists and doctors move closer to better epilepsy care.
This guide is here to help you understand the condition. It does not replace a conversation with your doctor, who knows your situation best.
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