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Active, not recruiting Phase 2 Interventional

A Study to Assess the Efficacy, Safety, and Pharmacokinetics of FNP-223 to Slow Progression of Progressive Supranuclear Palsy (PSP)

ClinicalTrials.gov ID: NCT06355531

Public ClinicalTrials.gov record NCT06355531. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 11:57 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomized, Double-blind, Placebo-controlled, Phase 2 Study to Assess the Efficacy, Safety, and Pharmacokinetics of FNP-223 (Oral Formulation) to Slow the Disease Progression of Progressive Supranuclear Palsy (PSP) (PROSPER)

Study identification

NCT ID
NCT06355531
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 2
Lead sponsor
Ferrer Internacional S.A.
Industry
Enrollment
241 participants

Conditions and interventions

Interventions

  • FNP-223 Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
50 Years to 80 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jul 22, 2024
Primary completion
Oct 31, 2026
Completion
Oct 31, 2026
Last update posted
Oct 14, 2025

2024 – 2026

United States locations

U.S. sites
12
U.S. states
10
U.S. cities
11
Facility City State ZIP Site status
The Neurology Center of Southern California - Carlsbad Carlsbad California 92011
UCSF Weill Institute for Neurosciences San Francisco California 94158
Rocky Mountain Movement Disorders Center Denver Colorado 80113
University of Miami Miller School of Medicine Miami Florida 33136
Augusta University Augusta Georgia 30912
Massachusetts General Hospital Boston Massachusetts 02114
Quest Research Institute Farmington Hills Michigan 48334
Robert & John M. Bendheim Parkinson and Movement Disorders Center at Mount Sinai New York New York 10029
Columbia University Irving Medical Center New York New York 10032
Duke Neurology Durham North Carolina 27705
Vanderbilt University Medical Center Nashville Tennessee 37212
Central Texas Neurology Consultants Round Rock Texas 78681

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 32 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT06355531, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 14, 2025 · Synced Jul 21, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT06355531 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →