Clinical trial Recruiting at 1 site Observational Ages 18 to 60

Observing gene changes in patients with Restless Legs Syndrome on dopamine treatment

Official title: Gene Expression Changes on Extended Use of Dopamine Agonists in Restless Legs Syndrome (RLS)

Run by HBC Immunology Inc · NCT06726785 · Data updated 2026-11-12

This study is trying to see how long-term treatment with dopamine medication affects gene changes in people with Restless Legs Syndrome.

More Restless Leg Syndrome (RLS) trials

Quick facts

Study typeObservational
Ages18 Years to 60 Years
SexAll
Enrollment50 (estimated)
SponsorHBC Immunology Inc
Industry-sponsored
Locations1 site (San Francisco, California)
StatusRecruiting
StartedJuly 1, 2025
Main results expectedDecember 30, 2025
Study endsFebruary 27, 2026
Registry record updatedSeptember 11, 2025
Trial IDNCT06726785 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are individuals diagnosed with Restless Legs Syndrome who are currently receiving treatment with a dopamine agonist.

Probably not a fit

Patients who are not on dopamine agonist treatment or those using medications that affect nasal epithelial cell collection may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study aims to observe changes in the expression of dopaminergic genes in nasal swabs from patients with Restless Legs Syndrome (RLS) who are undergoing prolonged treatment with dopamine agonists. Participants will be divided into two groups: those who have not used a dopamine agonist or have been on it for less than one month, and those who have been treated for six months or more. The study will analyze how these treatments affect gene expression, particularly in relation to Augmentation Syndrome, which can occur with long-term dopamine agonist use. The findings may provide valuable insights into the regulation of dopaminergic genes in RLS patients.

Why it matters

Potential benefit: If successful, this study could enhance understanding of gene regulation in RLS and improve treatment strategies for patients.

How similar studies have gone: Similar studies in Parkinson's disease have shown changes in gene expression, suggesting potential for success in this novel approach for RLS.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Able to provide Informed Consent
* Clinical diagnosis of Restless Legs Syndrome (RLS)
* On-going Treatment with a dopamine agonist

Exclusion Criteria:

\* Use of any medication that might affect nasal epithelial cell collection with a nasal swab

Where it's running

  • Alethios Inc
    San Francisco, California, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

  • Crisugabalin for restless legs and variant restless legs

    This phase 1 trial will test whether crisugabalin (40 mg twice daily) can reduce symptoms in adults aged 18–75 with moderate to severe restless legs syndrome or its variants over 12 weeks.

    Recruiting Phase 1 Beijing Friendship Hospital · Beijing, Beijing Municipality · NCT07453862

  • Spinal cord stimulator effects on restless legs

    This study will test whether changing spinal cord stimulator settings alters nerve signals and improves symptoms in people with restless leg syndrome and in some people with chronic pain.

    Recruiting University of Alabama at Birmingham · Birmingham, Alabama · NCT07179406

  • Peroneal nerve stimulation for restless legs during pregnancy

    This pilot will test whether a wearable TOMAC peroneal nerve stimulator can reduce restless legs symptoms and improve sleep for pregnant people.

    Recruiting Rhode Island Hospital · Providence, Rhode Island and 1 other locations · NCT07144631

  • Cannabis oil for restless legs syndrome

    This trial will test whether cannabis oil helps adults with moderate-to-severe restless legs syndrome feel less leg discomfort and sleep better.

    Recruiting at 2 sites Sunnybrook Health Sciences Centre · Toronto, Ontario and 1 other locations · NCT06863740

  • Comparing Lemborexant, Zopiclone, and Clonidine for treating insomnia in chronic pain patients

    This study is testing whether Lemborexant, Zopiclone, or Clonidine can help people with chronic pain sleep better and manage their pain.

    Recruiting Salem Anaesthesia Pain Clinic · Surrey, British Columbia · NCT05618002

  • Extended-Duration TOMAC Therapy for Restless Legs Syndrome

    This study tests an investigational TOMAC device to see if longer stimulation helps people with restless legs syndrome feel better and tolerate the treatment.

    Recruiting Noctrix Health, Inc. · Pleasanton, California · NCT07675109

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.