Pimavanserin Treatment in TS

NCT04794413 | Completed Early Phase 1 FDA Drug

• 1 other identifier: H-43658
• Study Type: interventional
• Target: 10
• Locations: 1 country
• Sites: 1

Brief Summary

This research study is determining if a drug called Pimavanserin if safe and effective in the treatment of the symptoms of Tourette Syndrome. Pimavanserin is an investigational drug for Tourette Syndrome, which means it has not been approved by the United States Food and Drug Administration (FDA) to treat Tourette Syndrome. Pimavanserin has been approved by the FDA as a treatment for hallucinations in Parkinson's Disease. It is currently marketed under the name NUPLAZID (pimavanserin) capsules by Acadia Pharmaceuticals.

Conditions

Tourette Syndrome; Tardive Dyskinesia

Keywords

pimavanserin; Tourette Syndrome; tics

Outcome Measures

Primary Outcomes (1)

• Evaluate the effect of pimavanserin on Tourette Syndrome

  The primary objective is to evaluate the effect of pimavanserin on motor and phonic tics associated with Tourette Syndrome using the Yale Global Tic Severity Scale. The minimum score for this scale is 0 and the maximum score for this scale 100. A higher score suggests a more sever Tic or that the Tic has a greater impact on the person's life.

  10 weeks

Secondary Outcomes (5)

• Evaluate the effect of pimavanserin on Tourette Syndrome

  10 weeks

• Evaluate the effect of pimavanserin on Tourette Syndrome

  10 weeks

• Evaluate the effect of pimavanserin on Tourette Syndrome

  10 weeks

• Evaluate the effect of pimavanserin on Tourette Syndrome

  10 weeks

• Evaluate the effect of pimavanserin on Tourette Syndrome

  10 weeks

Study Arms (1)

Pimavanserin

EXPERIMENTAL

All participants will receive pimavanserin 17mg once daily for 1 week and, if the tics are deemed to be inadequately controlled then increase to 34 mg once daily, taken orally as two 17 mg tablets once daily.

Drug: Pimavanserin

Interventions

Pimavanserin DRUG

Pimavanserin is a serotonin receptor inverse agonist used in treatment of psychosis in Parkinson's disease.

Also known as: Nuplazid

Pimavanserin

Eligibility Criteria

• Age: 18 Years+
• Sex: all
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• Patients 18 years of age or older
• Patients meet the Diagnostic and Statistical Manuel of Mental Disorders, Fifth Edition (DSM-5) diagnostic criteria for TS and, in the opinion of the investigator and patient, the patient's active tics are causing distress or impairment.
• Patient has a TTS of 20 or higher on the YGTSS at screening and baseline.
• Patient can swallow study medical whole.
• Patient is willing to adhere to the medication regimen and to comply with all study procedures.
• Patient is in good general health, as indicated by the medical and psychiatric history as well as physical and neurological examination.
• In the investigator's opinion, the patient has the ability to understand the nature of the study and its procedures, and the patient is expected to complete the study as designed.
• Patient has provided written informed consent according to local regulations.
• Females who are postmenarchal or greater than 12 years of age may be included if they have a negative urine pregnancy test at baseline or are sterile.
• Females who are postmenarchal or great than 12 years of age who male partners are potentially fertile (i.e. no vasectomy) must use highly effective birth control methods for the duration of the study (i.e. starting at screening) and for 30 days or 5 half-lives, whichever is longer after last dose of pimavanserin. The patient must be willing and able to comply with study restrictions and to remain at the clinic for the required duration during the study period and willing to return to the clinic for the follow-up evaluation as specified in this protocol.

You may not qualify if:

• Patient has a neurological disorder other than TS that could obscure the evaluation of tics.
• The patient's predominant movement disorder is stereotypy (coordinated movements that repeat continually and identically) associated with autism spectrum disorder.
• Patient has a confirmed diagnosis of bipolar disorder, schizophrenia, or another psychotic disorder.
• Patient has a DSM diagnosis at screening that, in the opinion of the investigator, makes the patient unsuitable for the study.
• Patient has received Comprehensive Behavioral Intervention for Tics for TS or Cognitive Behavioral Therapy for OCD within 4 weeks of screening.
• Patient has received treatment with deep brain stimulation, transmagnetic stimulation, or transcranial direct current stimulation within 4 weeks of the screening visit for reduction of tics.
• Stroke or other uncontrolled serious medical illness such as myocardial infarction within 6 months of baseline.
• Patient with unknown QT prolongation or in combination with other drugs known to prolong QT interval including Class 1A antiarrhythmics (e.g., quinidine, procainamide) or Class 3 antiarrhythmics (e.g., amiodarone, sotalol), certain antipsychotics medications (e.g., ziprasidone, chlorpromazine, thioridazine), and certain antibiotics (e.g., gatifloxacin, moxifloxacin).
• Patients with a history of cardiac arrhythmias, as well as other circumstances that may increase the risk of the occurrence of torsade de pointes and/or sudden death, including symptomatic bradycardia, hypokalemia or hypomagnesemia, and the presence of congenital prolongation of the QT interval.
• Patient has evidence of hepatic impairment.
• Patient has a known allergy to any of the components of pimavanserin.
• Patient has participated in an investigational drug or device study and received intervention within 30 days or 5 drug half-lives of baseline, whichever is longer.
• Patient is a pregnant or lactating female, or plans to be pregnant during the study.
• Patient has a history of or acknowledges alcohol-related disorder in the previous 12 months, as defined in the DSM-5.
• Patient has a positive urine drug screen test result or is unable to refrain from substance abuse throughout the study.

Sponsors & Collaborators

• Joseph Jankovic: lead
• Andrew Billnitzer, MD: collaborator

Study Sites (1)

Baylor College of Medicine

Houston, Texas, 77030, United States

Location

Related Publications (25)

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MeSH Terms

Conditions

Tourette Syndrome; Tardive Dyskinesia; Tics

Interventions

pimavanserin

Condition Hierarchy (Ancestors)

Basal Ganglia Diseases; Brain Diseases; Central Nervous System Diseases; Nervous System Diseases; Tic Disorders; Movement Disorders; Heredodegenerative Disorders, Nervous System; Neurodegenerative Diseases; Genetic Diseases, Inborn; Congenital, Hereditary, and Neonatal Diseases and Abnormalities; Neurodevelopmental Disorders; Mental Disorders; Dyskinesia, Drug-Induced; Dyskinesias; Neurologic Manifestations; Signs and Symptoms; Pathological Conditions, Signs and Symptoms

Study Design

• Study Type: interventional
• Phase: early phase 1
• Allocation: NA
• Masking: NONE
• Purpose: TREATMENT
• Intervention Model: SINGLE GROUP
• Sponsor Type: OTHER
• Responsible Party: SPONSOR INVESTIGATOR
• PI Title: Professor

Model Details: This is an open-label, proof-of-principle, 8-week treatment, pilot study for male and female patients aged 18 years and older with Tourette Syndrome. There were no control groups nor randomization.

Study Record Dates

• First Submitted: March 2, 2021
• First Posted: March 12, 2021
• Study Start: November 12, 2018
• Primary Completion: February 28, 2021
• Study Completion: February 28, 2021
• Last Updated: March 12, 2021

Record last verified: 2021-03

Data Sharing

• IPD Sharing: Will not share

Locations

US (1)