Recruiting at 183 sites Phase 3 Parkinson's Disease

Parkinson's Disease study: Prasinezumab

Official title A Study to Evaluate the Efficacy and Safety of Intravenous (IV) Prasinezumab in Participants With Early-Stage Parkinson's Disease

ClinicalTrials.gov ID: NCT07174310

What this study is testing

What is Prasinezumab?

This is an investigational medicine being studied as a potential treatment for early-stage Parkinson's disease. It is designed to target alpha-synuclein, a protein that builds up in the brain in Parkinson's disease.

Plain-language explanation of the investigational treatment. It is being studied and is not an approved or proven therapy. The study team can confirm the details.

What it's testing
The study aims to see if prasinezumab works better than a fake treatment (placebo) and to check for any side effects.
Who it's for
People with early-stage Parkinson's disease who are already taking a stable dose of a medication called levodopa.
What's involved
Participants will receive either the test drug or a placebo through an IV (a tube into a vein) and undergo tests to track how the drug moves through their body.
Time commitment
The source text does not specify the total duration or the number of visits required.
  • Phase 3: a large, late-stage study
  • You might receive a placebo (an inactive treatment) instead of the study drug.

A plain-language read of the study's public ClinicalTrials.gov listing. The study team confirms the details.

Who can take part

Ages 50 to 85

You may be able to join if

  • Body weight within 40-110 kilograms (kg) (88-242 pounds [lbs]) and a body mass index within the range 18-34 kg/m2
  • Diagnosis of idiopathic PD based on Movement Disorder Society (MDS) criteria
  • Has received monotherapy treatment
  • An MDS-UPDRS Part IV score of 0 at screening and prior to randomization
  • Hoehn and Yahr (H\&Y) Stage 1 or 2 off medication at screening and prior to randomization

You likely can't join if

  • Pregnant or breastfeeding, or intention of becoming pregnant during the study or within the time frame in which contraception is required
  • Medical history indicating a parkinsonian syndrome other than idiopathic PD
  • Diagnosis of a significant neurologic disease other than PD
  • Chronic uncontrolled hypertension
See the full eligibility criteria
Who can join
  • Body weight within 40-110 kilograms (kg) (88-242 pounds [lbs]) and a body mass index within the range 18-34 kg/m2
  • Diagnosis of idiopathic PD based on Movement Disorder Society (MDS) criteria
  • Has received monotherapy treatment
  • An MDS-UPDRS Part IV score of 0 at screening and prior to randomization
  • Hoehn and Yahr (H\&Y) Stage 1 or 2 off medication at screening and prior to randomization
  • Agreement to adhere to the contraception requirements
What rules you out
  • Pregnant or breastfeeding, or intention of becoming pregnant during the study or within the time frame in which contraception is required
  • Medical history indicating a parkinsonian syndrome other than idiopathic PD
  • Diagnosis of a significant neurologic disease other than PD
  • Chronic uncontrolled hypertension

The study team makes the final eligibility decision.

Where it is enrolling

  • Birmingham, Alabama, United States
  • Phoenix, Arizona, United States
  • Fullerton, California, United States
  • La Jolla, California, United States
  • Los Angeles, California, United States
  • Palo Alto, California, United States
  • Pasadena, California, United States
  • San Francisco, California, United States
  • Stanford, California, United States
  • Englewood, Colorado, United States
  • New Haven, Connecticut, United States
  • Washington D.C., District of Columbia, United States
  • Atlantis, Florida, United States
  • Boca Raton, Florida, United States
  • Lady Lake, Florida, United States
  • Maitland, Florida, United States
  • Miami, Florida, United States
  • Orlando, Florida, United States
  • Tampa, Florida, United States
  • Atlanta, Georgia, United States

+ 136 more site(s).

Questions & answers

Do participants get paid in this trial?

This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.

Is it free to join, and do I need insurance?

Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part, but confirm specifics with the study team.

How long does this study last?

The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.

Who can join this trial?

This study is enrolling all sexes, 50 years to 85 years. The study team makes the final eligibility decision.

Where is this trial taking place?

This study is enrolling now at Birmingham, Alabama, United States; Phoenix, Arizona, United States; Fullerton, California, United States; La Jolla, California, United States; Los Angeles, California, United States; Palo Alto, California, United States and 150 more locations. Enter your location above to see the nearest enrolling site and check your eligibility.

Explore other conditions

BridgeMD is an information and trial-matching tool that is independent of the study sponsor. Details come from ClinicalTrials.gov. The study team decides eligibility, and your own doctor gives medical advice.