Dystonia causes involuntary muscle contractions that twist the body into abnormal postures or repetitive movements. It can affect one body part or spread to multiple areas, and while botulinum toxin injections help many people, they don't work for everyone and wear off every few months. Deep brain stimulation surgery helps some people with severe dystonia, but researchers are working to understand what causes different types and to find better medical treatments.
What's actually going on in research
Trials are testing new forms of botulinum toxin with longer-lasting effects, oral medications that target specific neurotransmitter systems, and gene therapy for genetic forms like DYT1 dystonia. Researchers are also refining deep brain stimulation techniques and studying why some people respond to treatment while others don't. Much current work focuses on pediatric-onset dystonia and rare genetic subtypes.
Gene therapy for DYT1
DYT1 is the most common genetic form of early-onset dystonia, caused by a single gene mutation. A gene therapy trial is testing whether delivering a working copy of the gene can reduce symptoms in people with this form.
Long-acting botulinum toxins
New formulations aim to extend the benefit of botulinum toxin beyond the typical three to four months. Longer-lasting versions could mean fewer injections and more stable symptom control.
Cannabinoid-based treatments
Some trials are testing cannabis-derived compounds to see if they reduce dystonia symptoms. Early studies suggest certain cannabinoids might calm overactive muscle signals in some people.
What to know before you search
Eligibility typically depends on dystonia type (focal, segmental, or generalized), genetic testing results for specific mutations, response to previous treatments like botulinum toxin, and symptom severity.
What types of trials are currently open
- Botulinum toxin trials — Testing new formulations or injection techniques to improve how well botulinum toxin works or how long it lasts.
- Oral medication trials — Testing pills that affect brain chemicals like GABA or dopamine to reduce muscle contractions throughout the body.
- Gene therapy trials — For people with genetic forms like DYT1, testing whether delivering a working gene copy can reduce or prevent symptoms.
- Deep brain stimulation studies — Refining electrode placement and stimulation settings to improve outcomes and predict who will benefit most from surgery.
- Natural history studies — Following people with dystonia over time to understand how different forms progress and what factors predict treatment response.
Recently added Dystonia trials
Complete brain recordings during deep brain stimulation surgery
The purpose of this research is to determine if the electrophysiologic data collected from standard-of-care microelectrode recordings during human deep brain stimulation (DBS) surgery will be the same using the MAVEN device compared with the standard Alpha Omega device with either a tungsten standard-of-care microelectrode (for microelectrode recordings), or a carbon-fiber microelectrode (for neurotransmitter recordings). The number of microelectrodes used for both the tungsten and the carbon-fiber version will be the same as the standard-of-care.
Receive focused ultrasound stimulation to treat cervical dystonia
This study is a single-blinded, randomized control study that aims to recruit 48 participants. Participants will be "randomized" into one of the study arms of the study: active stimulation to GPi, active stimulation to DN, or sham stimulation. The purpose of the study is to look into the effects of LIFUS in patients with cervical dystonia. The participation will include seven study visits, at least 24 hours apart. All study visits will take place at TWH. The first visit is a screening visit. Visits 2-6 will be on consecutive days. Visit 7 will be a week from Visit 6 or from your last day of LIFUS, whichever comes first.
Find Dystonia trials matched specifically to you
Answer 3 quick questions and we'll show you trials that fit your situation.