Choreoathetosis is a movement disorder that creates a unique combination of involuntary motions throughout the body, blending rapid, jerky movements with slower, twisting ones. Understanding how this condition is treated can help patients and families navigate the challenges it presents and explore the options available for managing symptoms.

Understanding the Goals of Choreoathetosis Treatment

When a person develops choreoathetosis, the primary goal of treatment is to manage the involuntary movements and improve quality of life. The approach to treatment depends heavily on what is causing the movements in the first place. Choreoathetosis is not a disease on its own but rather a symptom that appears when something disrupts the normal function of the brain, particularly an area called the basal ganglia, which helps control movement.^[1]

Treatment focuses on reducing the severity of movements so that patients can perform daily activities more easily, such as eating, dressing, walking, and speaking. For some people, the movements may be mild and not require aggressive treatment. For others, the involuntary motions can be severe enough to cause injury, interfere with nutrition, or create social embarrassment. In these cases, medical intervention becomes necessary.^[11]

Because choreoathetosis can result from many different underlying conditions—ranging from genetic disorders to medication side effects—the treatment plan must be tailored to each individual. What works for one person may not work for another. Medical professionals follow established guidelines and recommendations, but they also consider each patient’s unique situation, including their age, overall health, and the specific cause of their symptoms.^[3]

Beyond the treatments that doctors currently prescribe, researchers are actively investigating new therapies in clinical trials. These studies aim to find better ways to control symptoms and possibly address the root causes of movement disorders. Participation in clinical trials can sometimes offer access to cutting-edge treatments that are not yet widely available.^[2]

Standard Treatment Approaches

The foundation of treating choreoathetosis lies in addressing the underlying cause whenever possible. If the movements are triggered by a medication, for example, a doctor may adjust the dose or switch to a different drug. If an infection or autoimmune condition is responsible, treating that condition often leads to improvement in the movement symptoms.^[12]

When choreoathetosis is caused by conditions like Huntington’s disease, Parkinson’s disease, or cerebral palsy, the focus shifts to symptom management because these conditions cannot currently be cured. The most commonly used medications belong to two main categories: antipsychotic medications and dopamine-depleting agents.^[9]

Antipsychotic medications work by blocking receptors in the brain that respond to dopamine, a chemical messenger that plays a key role in movement control. When there is too much dopamine activity in the basal ganglia, it can lead to the excessive movements seen in choreoathetosis. By blocking some of this activity, antipsychotic drugs can reduce the severity of the movements. These medications are divided into two groups: typical antipsychotics like haloperidol and fluphenazine, and atypical antipsychotics such as risperidone, olanzapine, quetiapine, and clozapine. Each has its own profile of benefits and potential side effects.^[9]

Dopamine-depleting agents take a different approach. Instead of blocking dopamine receptors, they reduce the amount of dopamine available in the brain. Medications like tetrabenazine, deutetrabenazine, and valbenazine have been used for this purpose, particularly in patients with Huntington’s disease. These drugs have shown effectiveness in reducing involuntary movements, though they must be used carefully because they can cause side effects such as depression, drowsiness, and problems with swallowing.^[9]

Another group of medications that doctors may prescribe includes drugs that enhance the activity of a different brain chemical called GABA. These include clonazepam, gabapentin, and valproate. These medications can be used alone or in combination with other treatments to provide additional symptom control.^[9]

For patients whose choreoathetosis is caused by autoimmune conditions, treatments may include corticosteroids, intravenous immunoglobulin, or plasmapheresis. These therapies work by calming down the immune system and reducing inflammation that may be affecting the brain. In cases where choreoathetosis appears after a streptococcal infection—a condition known as Sydenham chorea—these immune-based treatments can shorten the duration of symptoms.^[12]

The duration of treatment varies widely depending on the underlying cause. For medication-induced choreoathetosis, symptoms may resolve within weeks to months after stopping the offending drug. For genetic conditions like Huntington’s disease, treatment is lifelong and focuses on maintaining the best possible quality of life as the disease progresses.^[11]

One medication specifically mentioned for treating paroxysmal choreoathetosis—a form where movements occur in episodes—is carbamazepine. This anticonvulsant drug, typically used to prevent seizures and treat nerve pain, has been found effective in reducing the frequency and severity of episodes in some patients.^[2][11]

Advanced Treatment Options

When medications fail to provide adequate relief or cause intolerable side effects, doctors may consider more invasive procedures. One of the most promising is deep brain stimulation, or DBS. This surgical technique involves implanting thin electrodes into specific areas of the brain, particularly the globus pallidus, which is part of the basal ganglia. These electrodes deliver small electrical pulses that help regulate abnormal brain activity and reduce involuntary movements.^[9]

Deep brain stimulation has shown benefit in some patients with severe choreoathetosis related to cerebral palsy and other conditions. The procedure is still considered somewhat experimental for choreoathetosis, but early reports suggest that it can improve movement control in carefully selected patients. The surgery carries risks, including infection, bleeding, and device malfunction, so it is typically reserved for those with severe, disabling symptoms who have not responded to other treatments.^[9]

Physical therapy, occupational therapy, and speech therapy play important supporting roles in managing choreoathetosis. These therapies cannot stop the involuntary movements, but they can help patients adapt and maintain function. Physical therapists work on strength, balance, and mobility. Occupational therapists suggest modifications to the home environment and provide adaptive equipment—like weighted utensils or special cups—that make daily tasks easier. Speech therapists address difficulties with speaking and swallowing that can occur when facial and throat muscles are affected by the movements.^[14][17]

Treatment in Clinical Trials

Research into new treatments for movement disorders continues to advance, though specific information about clinical trials targeting choreoathetosis directly is limited in the available sources. However, because choreoathetosis often occurs as part of other conditions—particularly Huntington’s disease—many trials focus on treating those underlying disorders.^[2]

Clinical trials generally proceed through three main phases. Phase I trials test a new treatment in a small group of people to evaluate its safety, determine a safe dosage range, and identify side effects. Phase II trials involve a larger group and focus on whether the treatment works—does it reduce symptoms or improve outcomes? Phase III trials compare the new treatment against the current standard treatment to see if it offers advantages.^[2]

For patients with Huntington’s disease, which is the most common genetic cause of choreoathetosis, researchers have explored several innovative approaches. These include coenzyme Q10 and minocycline, which target mitochondrial dysfunction and cell death processes thought to contribute to the disease. While early studies in laboratory animals showed promise, results in human trials have been mixed, and these treatments remain investigational.^[9]

Some clinical trials investigate whether existing medications can be used in new ways or at different doses. Others explore completely novel compounds that work through different mechanisms than current treatments. Researchers are particularly interested in finding therapies that not only reduce symptoms but also slow or halt the progression of the underlying disease.^[2]

Participation in clinical trials is voluntary and comes with both potential benefits and risks. Patients may gain access to new treatments before they become widely available, and they receive close medical monitoring throughout the study. However, there is no guarantee that the experimental treatment will be effective, and some patients may receive a placebo rather than the active treatment. Anyone considering a clinical trial should discuss the decision carefully with their healthcare team and family members.^[2]

Information about active clinical trials for movement disorders and related conditions can be found through resources like ClinicalTrials.gov, which is maintained by the United States government. Patients can search for trials based on their location, the condition being studied, and whether the trial is currently recruiting participants.^[2]

Managing Daily Life with Choreoathetosis

Beyond medications and medical procedures, practical strategies can significantly improve daily functioning for people with choreoathetosis. These adjustments help minimize the impact of involuntary movements on everyday activities and reduce the risk of injury.^[17]

In the home environment, simple modifications can make a big difference. Removing loose rugs or thick carpets reduces tripping hazards. Ensuring that rooms are well-lit helps with navigation. In the bathroom, installing grab bars near the toilet and in the shower provides stability. Using a shower chair eliminates the need to stand while bathing. Replacing bar soap with liquid soap in a pump dispenser prevents slippery situations.^[17]

Mealtime adaptations are equally important. Using plates and bowls made of durable plastic instead of glass or ceramic prevents injuries from breakage. Cups without stems are more stable. Utensils with large, built-up handles are easier to grip. Non-slip placemats keep dishes from sliding around the table. Sitting down to eat rather than standing reduces the risk of falls and allows better focus on managing utensils.^[17]

Clothing choices can also ease daily dressing. Pants with elastic waistbands eliminate the challenge of managing buttons and zippers. Slip-on shoes or shoes with Velcro closures are much easier than laces. Many people find that sitting down while getting dressed makes the task less frustrating and safer.^[17]

Nutrition deserves special attention because the constant involuntary movements can burn a significant number of calories. People with choreoathetosis may struggle to maintain a healthy weight and need to eat more calorie-dense foods. Adding healthy fats like nut butters, avocados, and olive oil to meals can help. Preparing meals and snacks ahead of time reduces the burden when fatigue sets in. Keeping mealtimes on a schedule and minimizing distractions during meals allows for better focus on eating.^[17]

Most common treatment methods

• Antipsychotic medications
  • Typical antipsychotics include haloperidol and fluphenazine, which block dopamine receptors in the brain
  • Atypical antipsychotics include risperidone, olanzapine, quetiapine, and clozapine, also working through dopamine receptor blockade but with different side effect profiles
  • These medications reduce the excessive movements by decreasing dopamine activity in the basal ganglia
• Dopamine-depleting agents
  • Tetrabenazine reduces the amount of dopamine available in the brain
  • Deutetrabenazine and valbenazine are newer versions with similar mechanisms and are used particularly for Huntington’s disease
  • These drugs can reduce involuntary movements but may cause depression, drowsiness, and swallowing difficulties
• GABAergic medications
  • Clonazepam, gabapentin, and valproate enhance the activity of GABA, a brain chemical that helps calm nerve activity
  • Often used as supplemental therapy in combination with other medications
• Anticonvulsants
  • Carbamazepine is particularly effective for paroxysmal choreoathetosis, reducing the frequency and severity of episodes
  • Phenytoin may also be used to prevent involuntary movement episodes
• Immunotherapy
  • Corticosteroids reduce inflammation in autoimmune causes of choreoathetosis
  • Intravenous immunoglobulin provides antibodies to modulate immune system activity
  • Plasmapheresis filters harmful antibodies from the blood in certain autoimmune conditions
  • Particularly useful for Sydenham chorea and choreoathetosis related to lupus or other autoimmune disorders
• Surgical interventions
  • Deep brain stimulation involves implanting electrodes in the globus pallidus to deliver electrical pulses that regulate brain activity
  • Reserved for severe cases that do not respond to medication
  • Carries surgical risks including infection and bleeding
• Supportive therapies
  • Physical therapy to maintain strength, balance, and mobility
  • Occupational therapy to provide adaptive equipment and home modifications
  • Speech therapy to address speaking and swallowing difficulties
  • Nutritional support to maintain healthy weight despite increased calorie burning from movements