Local Field Potentials in Dystonia
This research is looking into how Deep Brain Stimulation (DBS) can be made even better for people living with dystonia. Doctors are studying tiny electrical signals in the brain called Local Field Potentials (LFPs), which are recorded by the DBS device itself. The goal is to see if these signals can help pinpoint the very best settings for the DBS device, making it work more effectively. This could mean a quicker and more successful treatment journey for patients. The study will also explore if these brain signals can show how active the dystonia is and predict how well someone might respond to treatment, including other therapies like medication.
At a glance
What is this study about?
Dystonia is a condition that causes muscles to tighten up and move in ways you don't intend. While there are treatments, for some people, a treatment called Deep Brain Stimulation (DBS) can help. DBS involves placing a small device, like a pacemaker, inside your brain that sends out electrical signals to help control movement. However, finding just the right settings for this device can take a long time, often months of trial and error, which can be frustrating and difficult.
This study wants to make this process easier and faster. We are looking at special electrical signals within the brain, called Local Field Potentials (LFPs), which the modern DBS devices can now record. Think of LFPs as tiny whispers from your brain cells. Researchers believe that by listening to these whispers, they might be able to understand more about dystonia and how it responds to treatment. They want to see if certain patterns in these LFP signals can tell doctors where the best place to stimulate the brain is and what settings will work best for each person.
The main aim is to understand if using these LFP signals can help doctors set up the DBS device more quickly and effectively, leading to better results for people with dystonia. It could mean less waiting for the treatment to work properly and a quicker path to improving symptoms and quality of life.
Key takeaways
- Aims to make DBS treatment for dystonia better and faster.
- Uses special brain signals (LFPs) recorded by the DBS device.
- Compares standard programming with LFP-guided programming.
- Involves regular follow-ups and assessments over 12 months.
- Hopes to shorten the time to find optimal DBS settings.
- Participation is for those having DBS for primary dystonia.
Who may be eligible?
To join this study, you need to be at least 18 years old and have a clear diagnosis of primary dystonia. This means your dystonia isn't caused by another underlying health problem. You must also be someone who is already planning to have, or has recently had, DBS surgery for your dystonia as part of your normal medical care.
There are some reasons why you might not be able to take part. For example, if you have other serious brain conditions like dementia, or certain mental health conditions that would make it hard to understand or take part in the study tasks. Also, if your dystonia is thought to be 'functional' (meaning it's related to psychological factors rather than physical), or if you've recently participated in another research study that tested a new treatment, you wouldn't be suitable for this one. We also need to make sure you can give your permission to be in the study.
Could this study suit you?
Answer these quick questions to see if you may be eligible. This is a guide only — the research team makes the final call.
- Are you 18 years old or older?
- Do you have a clear diagnosis of primary dystonia?
- Are you a candidate for, or have you recently had, GPi DBS surgery?
- Do you fully understand the study and agree to take part?
- Do you have any other significant neurological or mental health conditions?
What does participation involve?
If you join this study, you will have DBS surgery for your dystonia, which is part of your usual medical treatment. After surgery, you will attend regular follow-up appointments, just as you would normally, for your DBS device to be adjusted and checked. During these visits, the research team will also assess how you're doing, using special rating scales to check your dystonia symptoms, your quality of life, your thinking skills, and your mood.
You will also take part in some non-invasive tests, such as monitoring your muscle activity (surface EMG), recording your brain waves (EEG), and doing some simple reaction time tasks. Importantly, the DBS device itself will record those special brain signals (LFPs) during your clinic visits, and sometimes even when you're at home, using features built into the device. The study will involve regular visits and assessments over a period of up to 12 months.
Potential risks and benefits
Locations (1)
- Clinical Ageing Research Unit,Verified postcodeNewcastle upon Tyne, United Kingdom· Recruiting
Common questions
What are LFPs?
LFPs are tiny electrical signals recorded by the Deep Brain Stimulation (DBS) device from your brain, helping researchers understand brain activity related to dystonia.
Will this study change my DBS surgery?
No, your DBS surgery will be performed as usual. This study focuses on how the device is programmed afterwards.
What is 'traditional programming'?
It's how doctors normally adjust your DBS device based on your symptoms and brain images, and it can take time to get it just right.
How long will I be in the study?
You will be followed for up to 12 months after your DBS surgery.
Do I have to do extra tasks?
Yes, you'll have extra tests and questionnaires during your clinic visits, but no additional invasive procedures beyond your normal care.
How to find out more
David Ledingham, MA, MBBS
Always speak to your GP or specialist before deciding to take part in a study.
Interested in taking part?
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