20 Recruiting Trials

Clinical Trials
for Parkinson's in Connecticut

20 clinical trials for Parkinson's are currently recruiting participants at study sites in Connecticut. Study-related care is provided at no cost.

20
Recruiting trials
18
Study sites
8
Cities
9
Industry-sponsored
9
Phase 2
3
Phase 3

Parkinson's clinical trials in Connecticut: what to expect

Parkinson's trials fall into three groups. Disease-modifying studies test drugs meant to slow progression, including treatments aimed at alpha-synuclein, repurposed diabetes drugs and therapies for people with LRRK2 or GBA gene variants. Symptom studies test new ways to smooth out "off" periods and dyskinesia, and procedures such as focused ultrasound and deep brain stimulation. And a large number of studies involve no medicine: exercise, speech and balance programs, wearables, and long-term observational studies that track the disease.

In Connecticut, recruiting parkinson's studies are concentrated in New Haven, Farmington, Stamford and Branford, with sites in 4 other cities. 9 of the 20 are run by a drug or device company, which usually means a larger study with travel reimbursement; the rest are academic or hospital-led.

Who Parkinson's trials usually look for

Disease-modifying trials usually enroll people diagnosed in the last two to five years, sometimes before any Parkinson's medicine has started. Symptom trials want people on levodopa who have a stated number of hours of "off" time a day. Most set ages 30 to 80, exclude dementia and atypical parkinsonism, and may require a dopamine transporter scan to confirm the diagnosis. Genetic trials test for the variant at no cost. Exercise and observational studies accept a much wider range.

What taking part involves

Screening includes a movement exam, sometimes performed both before and after your morning dose, blood work and a scan. Drug trials run twelve weeks to two years with monthly visits, symptom diaries and, in some, a spinal fluid test. Placebo arms are common and medicines you already take generally continue. Exercise and rehabilitation trials involve sessions two or three times a week for several months. Everything study-related is free and travel is usually reimbursed; a care partner is welcome and sometimes required.

Questions worth asking the study team

Whether you must skip a dose before visits; whether your current medicines continue; what the chance of placebo is and whether an extension follows; how many visits are required; and whether you will be told the results of any scans or genetic tests.

Showing 20 of 20 recruiting Parkinson's trials in Connecticut

A Study to Evaluate the Efficacy and Safety of Intravenous (IV) Prasinezumab in Participants With Early-Stage Parkinson's Disease
PHASE3 Birmingham, Alabama +4 sites NCT07174310
This trial is looking for people with early-stage Parkinson's disease who are currently on stable treatment with levodopa. Participants will receive either the drug prasinezumab or a placebo to study its effects.
Recruiting
Evaluation of Tau-Pathology in Sporadic and LRRK2 Parkinson's Disease
PHASE2 New Haven, Connecticut NCT07020026
This trial is looking for people with Parkinson's disease to study tau pathology using a special imaging technique. Participants will undergo scans at a testing facility and must meet certain health criteria.
Recruiting
Imaging Depression in Parkinson's Disease
PHASE2 New Haven, Connecticut NCT06402955
This trial is looking for people aged 40 to 80 with Parkinson's Disease who are experiencing symptoms of depression. Participants will undergo imaging procedures to help understand depression in Parkinson's patients.
Recruiting
A Clinical Trial of LY3962681 in Healthy Volunteers and in Patients With Parkinson's Disease
PHASE1 New Haven, Connecticut +4 sites NCT06565195
This trial is looking for healthy volunteers and patients with Parkinson's disease to evaluate the safety and effects of a drug called LY3962681. Participants will receive either the drug or an inactive substance and will be followed up for medical assessments over time.
Recruiting
Parkinson's Foundation PD GENEration Genetic Registry
N/A Birmingham, Alabama +4 sites NCT04994015
This trial is looking for people with Parkinson's disease who are willing to undergo genetic testing. Participants will help build a genetic database for future research on the condition.
Recruiting
A US Study That Observes How Parkinson's Disease Changes Over Time in Patients Who Still Have Movement Symptoms Despite Taking Parkinson's Medications
N/A New Haven, Connecticut +4 sites NCT07330258
This trial is looking for people with Parkinson's disease who still have movement symptoms even though they are on medication. Participants will help researchers understand how the condition changes over time without altering their current treatment.
Recruiting
A Study of Buntanetap in Participants With PD
PHASE2 Stamford, Connecticut +4 sites NCT07284784
This trial is looking for adults with Parkinson's Disease who are either already on deep brain stimulation treatment or have participated in earlier trials with buntanetap. Participants will take the medication for 36 months and attend regular check-ups.
Recruiting
This Protocol is a Sub-study Under the PPMI Program. It is a Longitudinal, Single-center Study to Assess the Performance of [18F]AV-133 Imaging Using High and Standard Resolution PET in Individuals Enrolled With Parkinson's Disease (PD) for up to 12 Months.
PHASE2 New Haven, Connecticut NCT07830654
This trial is looking for individuals diagnosed with Parkinson's disease or healthy control participants. Taking part involves regular assessments and imaging for up to 12 months using a specific PET imaging method.
Recruiting
Early Longitudinal Imaging in the Parkinson's Progressive Marker Initiative (PPMI) Using (18F)AV-133 (PPMI AV-133 Prodromal Imaging)
PHASE2 New Haven, Connecticut +4 sites NCT07265596
This trial is looking for adults who have early signs of Parkinson's disease. Participants will have regular check-ups and use a specific imaging method to track changes over two years.
Recruiting
Colonic Tissue Biopsy Detection of Phosphorylated Alpha-synuclein for Parkinson's Diagnosis or REM Sleep Behavior Disorder
N/A Branford, Connecticut NCT07217054
This trial is looking for men and women aged 40 to 99 who have Parkinson's disease or REM Sleep Behavior Disorder. Participants will provide tissue samples during a routine colonoscopy to check for a protein related to these conditions.
Recruiting
The Efficacy of Psilocybin Therapy for Depression in Parkinson's Disease
PHASE2 New Haven, Connecticut NCT07610369
This trial is looking for people with Parkinson's Disease and depression. Participants will receive psilocybin therapy to see if it helps improve their symptoms.
Recruiting
A Study to Determine if BHV-8000 is Effective, Safe and Tolerable as a Treatment for Adults Living With Early Parkinson's Disease
PHASE2 Birmingham, Alabama +4 sites NCT06976268
This trial is looking for adults aged 40 to 80 with early Parkinson's disease. Participants will receive treatment over 48 weeks, followed by another 48 weeks of open access to the treatment.
Recruiting
PPMI Clinical - Establishing a Deeply Phenotyped PD Cohort
N/A Birmingham, Alabama +4 sites NCT04477785
This trial is looking for people with Parkinson's disease, healthy volunteers, or those at risk of Parkinson's. Participants will help researchers understand how the disease progresses and identify markers for future treatments.
Recruiting
Daily Amino Acid Supplementation for People With Parkinson's Disease
NA Farmington, Connecticut +1 sites NCT07115563
This trial is looking for adults aged 50 to 80 with Parkinson's disease. Participants will take either a special amino acid supplement or a placebo daily for 6 months and attend three lab visits for health assessments.
Recruiting
A Study to Evaluate the Efficacy, PK, Safety, and Tolerability of VIM0423 in Adults With Parkinson's Disease Tremor Insufficiently Responsive to Dopaminergic Therapy
PHASE2 Stamford, Connecticut +4 sites NCT07804615
This trial is looking for adults with Parkinson's disease who have tremors that are not well-managed with current treatments. Participants will be given a study medication to see if it helps improve their symptoms and daily life.
Recruiting
Neurologic Stem Cell Treatment Study
NA Westport, Connecticut +2 sites NCT02795052
This trial is looking for adults with certain neurologic conditions who have not improved with standard treatments. Participants will undergo a procedure involving their own stem cells to see if it helps with their symptoms.
Recruiting
Evaluation of [¹⁸F]MODAG-009 PET Imaging in Synucleinopathies
EARLY_PHASE1 New Haven, Connecticut NCT07640555
This trial is looking for people with Parkinson's disease, Multiple system atrophy, or healthy controls. Participants will receive an injection of a drug for imaging and undergo brain scans to help researchers understand how the drug works.
Recruiting
Intestinal Immunity in Neurologic Disease
N/A North Haven, Connecticut NCT06329453
This trial is looking for adults who may be experiencing sleep or movement disorders related to their nervous system. Participants will undergo a colonoscopy for research purposes to help understand immune cells in the gut.
Recruiting

Where the Parkinson's studies are in Connecticut

  • Institute for Neurodegenerative Disorders, New Haven5 trials
  • Yale University, New Haven2 trials
  • Digestive Disease Associates, Branford1 trial
  • Hartford Healthcare, Hartford1 trial
  • Institute For Neurodegenerative Disorders, New Haven1 trial
  • Institute for Neurodegenerative Disorders / XingImaging, LLC, New Haven1 trial

Counts are recruiting studies listing at least one site in Connecticut, from ClinicalTrials.gov, refreshed every two days.

Parkinson's clinical trials in Connecticut: common questions

How many Parkinson's clinical trials are recruiting in Connecticut?
TrialFinder currently lists 20 recruiting Parkinson's clinical trials with study sites in Connecticut. Results are updated regularly from ClinicalTrials.gov, the official U.S. registry of clinical studies.
Where are Parkinson's clinical trials located in Connecticut?
Study sites for the Parkinson's trials listed on this page include New Haven, Stamford, Branford, Farmington, Westport, North Haven. Each trial page lists every participating site with contact details, so you can find the location closest to you.
Do I need insurance to join a Parkinson's clinical trial in Connecticut?
No. Study-related care is covered by the trial sponsor at no cost to participants, including the study treatment, required lab tests and study visits. Many Parkinson's trials in Connecticut also compensate participants for time and travel. Health insurance is not required to search or enroll.
How do I qualify for a Parkinson's clinical trial in Connecticut?
Each study sets its own criteria based on age, Parkinson's diagnosis details, prior treatments, current medications and general health. The fastest way to find out is to contact a research site directly — most will pre-screen you by phone in 10 to 15 minutes at no charge. You can also create a free TrialFinder profile to be matched automatically.
Can I join a Parkinson's trial if I take carbidopa-levodopa?
Yes for most trials, including every study of "off" time. Some disease-modifying trials want people who have not started medicine yet; the listing says so.
What does "off time" mean in a trial listing?
The hours each day when your medicine has worn off and symptoms return. Trials of new symptom treatments usually require about two or more hours of off time a day, recorded in a diary during screening.
Are there Parkinson's trials that do not involve medicine?
Many. Exercise, speech, balance and dance programs, wearable sensors, deep brain stimulation settings and observational studies all recruit, and most accept people at any stage who can attend sessions.
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Parkinson's disease trials test dopamine-replacement therapies, deep brain stimulation, gene therapies, and neuroprotective compounds to slow disease progression.

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