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Terminated Phase 2 Interventional

VTX958 Versus Placebo for the Treatment of Moderate to Severe Psoriasis

ClinicalTrials.gov ID: NCT05655299

Public ClinicalTrials.gov record NCT05655299. 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 Sep 12, 2026, 9:42 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 Phase 2, Multicenter, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study to Evaluate the Efficacy and Safety of VTX958 in Participants With Moderate to Severe Psoriasis

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a study to understand if taking VTX958 is safe and effective in participants diagnosed with moderate to severe psoriasis (PsO). Approximately 200 patients will take VTX958 Dose A, VTX958 Dose B, VTX958 Dose C, VTX958 Dose D, or placebo. The study consists of a 30-day Screening Period (to see if a participant qualifies for the study), a 16-week double-blind period (a participant receives active Dose A, Dose B, Dose C, Dose D, or placebo), a 16-week Long Term Extension (LTE) period, a 36-week Open Label Extension (OLE) period and a 4-week Follow-Up Period. The maximal duration of treatment will be approximately 16 months.

Study identification

NCT ID
NCT05655299
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
Ventyx Biosciences, Inc
Industry
Enrollment
222 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
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
Nov 16, 2022
Primary completion
Sep 24, 2023
Completion
Dec 19, 2023
Last update posted
Sep 18, 2024

2022 – 2023

United States locations

U.S. sites
38
U.S. states
21
U.S. cities
36
Facility City State ZIP Site status
Local Site # 840012 Birmingham Alabama 35205
Local Site # 840006 Birmingham Alabama 35244
Local Site # 840028 Phoenix Arizona 85032
Local Site # 840032 Bryant Arkansas 72022
Local Site # 840041 North Little Rock Arkansas 72117
Local Site # 840031 Fountain Valley California 92708
Local Site # 840026 Lomita California 90717
Local Site # 840019 Santa Rosa California 95405
Local Site # 840003 Sherman Oaks California 91403
Local Site # 840040 Boca Raton Florida 33486
Local Site # 840011 Doral Florida 33122
Local Site # 840023 Hialeah Florida 33012
Local Site # 840021 Miami Lakes Florida 33104
Local Site # 840044 North Miami Beach Florida 33162
Local Site # 840010 Ocala Florida 34470
Local Site # 840004 Tampa Florida 33607
Local Site # 840001 Tampa Florida 33613
Local Site # 840045 West Palm Beach Florida 33406
Local Site # 840029 Marietta Georgia 30060
Local Site # 840035 Clarksville Indiana 47129
Local Site # 840005 Indianapolis Indiana 46250
Local Site # 840030 Plainfield Indiana 46168
Local Site # 840013 Louisville Kentucky 40241
Local Site # 840022 Rockville Maryland 20850
Local Site # 840008 Brighton Massachusetts 02135
Local Site # 840016 Bay City Michigan 48706
Local Site # 840007 Fort Gratiot Michigan 48059
Local Site # 840002 Troy Michigan 48084
Local Site # 840034 New Brighton Minnesota 55112
Local Site # 840024 Saint Joseph Missouri 64506
Local Site # 840027 Portsmouth New Hampshire 03801
Local Site # 840042 Wilmington North Carolina 28405
Local Site # 840037 Mason Ohio 45040
Local Site # 840009 Portland Oregon 97223
Local Site # 840038 Rapid City South Dakota 57702
Local Site # 840015 Murfreesboro Tennessee 37130
Local Site # 840039 Pflugerville Texas 78660
Local Site # 840014 Spokane Washington 99202

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 25 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05655299, 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 Sep 18, 2024 · Synced Sep 12, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05655299 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →