A Study of Barzolvolimab in Patients With Prurigo Nodularis

NCT ID: NCT06366750

Last Updated: 2025-12-18

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE2

Total Enrollment

140 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-04-12

Study Completion Date

2027-03-31

Brief Summary

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The purpose of this study is to assess the efficacy and safety of barzolvolimab in adults with prurigo nodularis.

Detailed Description

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The purpose of this study is to assess the efficacy and safety of barzolvolimab (CDX-0159) in adults with prurigo nodularis.

There is a screening period of approximately 28 days, a 24-week double-blind treatment period and a 16-week follow-up period after treatment. Participants will be randomly assigned on a 1:1:1 ratio to receive barzolvolimab (CDX-0159) by subcutaneous injections of 150 mg every 4 weeks (Q4W) after an initial loading dose of 450 mg, 300 mg Q4W after an initial loading dose of 450 mg, or placebo Q4W.

Following the completion of the treatment period, participants may enter an open label extension portion of the study if they are eligible.

Conditions

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Prurigo Nodularis

Keywords

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barzolvolimab PN CDX-0159

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Barzolvolimab 450 mg, then 150 mg Q4W

450 mg subcutaneous administration loading dose on Day 1 followed by 150 mg subcutaneous administration every 4 weeks, starting on Week 4, to Week 24.

Group Type EXPERIMENTAL

barzolvolimab

Intervention Type BIOLOGICAL

subcutaneous administration

Barzolvolimab 450 mg, then 300 mg Q4W

450 mg subcutaneous administration loading dose on Day 1 followed by 300 mg subcutaneous administration every 4 weeks, starting on Week 4, to Week 24.

Group Type EXPERIMENTAL

barzolvolimab

Intervention Type BIOLOGICAL

subcutaneous administration

Placebo

Matching placebo subcutaneous administration every 4 weeks, starting on Week 4, to Week 24.

Group Type PLACEBO_COMPARATOR

Matching Placebo

Intervention Type OTHER

subcutaneous administration

Interventions

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barzolvolimab

subcutaneous administration

Intervention Type BIOLOGICAL

Matching Placebo

subcutaneous administration

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

1. Males and females, ≥18 years of age.
2. Diagnosis of Prurigo Nodularis by a dermatologist at least 3 months prior to Screening with:

1. At least 20 PN nodules with bilateral distribution on both arms and/or both legs and/or both sides of the trunk at screening.
2. An Investigators Global Assessment for stage of chronic nodular prurigo (IGA-CNPG-S) score for PN ≥ 3 at screening and Baseline (Day 1).
3. Severe itch, defined as the mean of the daily worst itch NRS (WI-NRS) score of ≥ 7 during the 7-day period immediately prior to initiation of study treatment.
4. Documented history of inadequate response to prescription topical medications or for whom topical medications are medically inadvisable.
5. Willing to apply a topical moisturizer (emollient) once or twice a day throughout the study.
6. Both males and females of child-bearing potential must agree to use highly effective contraceptives during the study and for 150 days afterwards after treatment.
7. Willing and able to complete a daily symptom electronic diary for the duration of the study and adhere to the study visit schedule.

Exclusion Criteria

1. PN due to neuropathy, psychiatric disorders or medications.
2. Unilateral PN lesions limited to small area on one side of the body (e.g., only one arm affected).
3. Active unstable pruritic skin conditions in addition to PN.
4. Documented atopic dermatitis (moderate to severe) within 6 months before the start of screening.
5. Females who are pregnant or nursing.
6. Known hepatitis B or hepatitis C infection or active COVID-19 infection.
7. Vaccination with a live vaccine within 2 months prior to study drug administration (subjects must agree to avoid vaccination during the study and for four months thereafter). NOTE: Inactivated vaccines are allowed such as seasonal influenza for injection. COVID-19 vaccination is allowed.
8. History of anaphylaxis.
9. Prior receipt of barzolvolimab

There are additional criteria that your study doctor will review with you to confirm you are eligible for the study.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Celldex Therapeutics

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Total Dermatology

Birmingham, Alabama, United States

Site Status

Cahaba Dermatology Skin Health Center

Birmingham, Alabama, United States

Site Status

Investigate MD, LLC

Scottsdale, Arizona, United States

Site Status

Scottsdale Clinical Trials

Scottsdale, Arizona, United States

Site Status

Northwest Arkansas Clinical Trials Center

Rogers, Arkansas, United States

Site Status

Center for Dermatology Clinical Research, Inc

Fremont, California, United States

Site Status

Profound Research LLC

Oceanside, California, United States

Site Status

Empire Clinical Research

Pomona, California, United States

Site Status

University of California San Francisco

San Francisco, California, United States

Site Status

University of California, San Francisco

San Francisco, California, United States

Site Status

Dermatology Institute & Skin Care Center

Santa Monica, California, United States

Site Status

Focus Clinical Research

West Hills, California, United States

Site Status

Encore Medical Research Boynton Beach

Boynton Beach, Florida, United States

Site Status

Biobrilliance Medical Research Center

Hialeah, Florida, United States

Site Status

Encore Medical Research

Hollywood, Florida, United States

Site Status

Life Arc Research Centers Corp

Miami, Florida, United States

Site Status

University of Miami

Miami, Florida, United States

Site Status

Advanced Clinical Research Institute

Tampa, Florida, United States

Site Status

Encore Medical Research of Weston

Weston, Florida, United States

Site Status

Emory University

Atlanta, Georgia, United States

Site Status

Centricity Research

Columbus, Georgia, United States

Site Status

Treasure Valley Medical Research

Boise, Idaho, United States

Site Status

MetroMed Clinical Trials

Chicago, Illinois, United States

Site Status

DS Research of Southern Indiana, LLC

Clarksville, Indiana, United States

Site Status

Equity Medical

Bowling Green, Kentucky, United States

Site Status

DS Research of Kentucky, LLC

Louisville, Kentucky, United States

Site Status

Beacon Clinical Research, LLC

Quincy, Massachusetts, United States

Site Status

Revival Research Institute, LLC

Troy, Michigan, United States

Site Status

Medisearch, LLC

Saint Joseph, Missouri, United States

Site Status

Skin Specialists PC

Omaha, Nebraska, United States

Site Status

University of New Mexico Department of Dermatology

Albuquerque, New Mexico, United States

Site Status

Equity Medical

New York, New York, United States

Site Status

Apex Clinical Research Center - Canton

Canton, Ohio, United States

Site Status

UC Health Physicians Office Dermatology

Cincinnati, Ohio, United States

Site Status

Paddington Testing, PO

Philadelphia, Pennsylvania, United States

Site Status

UPMC Department of Dermatology

Pittsburgh, Pennsylvania, United States

Site Status

Columbia Dermatology and Aesthetics

Columbia, South Carolina, United States

Site Status

International Clinical Research - Tennessee LLC

Murfreesboro, Tennessee, United States

Site Status

Dermatology Treatment and Research Center

Dallas, Texas, United States

Site Status

Center for Clinical Studies

Webster, Texas, United States

Site Status

West Virginia Research Institute

Morgantown, West Virginia, United States

Site Status

Stratica Dermatology

Edmonton, Alberta, Canada

Site Status

SimcoDerm Medical and Surgical Dermatology Center

Barrie, Ontario, Canada

Site Status

Kingsway Clinical Research

Etobicoke, Ontario, Canada

Site Status

Guelph Dermatology Research

Guelph, Ontario, Canada

Site Status

Derm Effects

London, Ontario, Canada

Site Status

North York Research Inc

Toronto, Ontario, Canada

Site Status

Special Hospital Medico

Rijeka, , Croatia

Site Status

University Hospital Center - Rijeka

Rijeka, , Croatia

Site Status

Solmed Clinic

Zagreb, , Croatia

Site Status

Universitätsklinikum Augsburg

Augsburg, , Germany

Site Status

Fachklinik Bad Bentheim, Klinisches Studienzentrum

Bad Bentheim, , Germany

Site Status

Institut für Allergieforschung (IFA),Charité - Universitätsmedizin Berlin

Berlin, , Germany

Site Status

Katholisches Klinikum Bochum

Bochum, , Germany

Site Status

Universitätsklinikum Erlangen - Hautklinik

Erlangen, , Germany

Site Status

Universitätsklinikum RWTH Aachen- Dermatology

Frankfurt, , Germany

Site Status

Universtätsklinikum Frankfurt, Klinik für Dermatologie, Venerologie und

Frankfurt, , Germany

Site Status

University Hospital Heidelberg

Heidelberg, , Germany

Site Status

Universitätsklinikum Münster (UKM)

Münster, , Germany

Site Status

Universitätsklinikum Tübingen - Hautklinik

Tübingen, , Germany

Site Status

Centrum Nowoczesnych Terapii "Dobry Lekarz"

Krakow, Małopolska, Poland

Site Status

FutureMeds Gdynia

Gdynia, , Poland

Site Status

Centrum Medyczne Pratia Katowice

Katowice, , Poland

Site Status

Gyncentrum sp. z o.o.

Katowice, , Poland

Site Status

Pratia MCM Krakόw

Krakow, , Poland

Site Status

LUXDERM Specjalistyczny Gabinet

Lublin, , Poland

Site Status

Uniwersytecki Szpital Kliniczny im. Fryderyka Chopina w Rzeszowie

Rzeszów, , Poland

Site Status

Clinical /research group Z.o.o.

Warsaw, , Poland

Site Status

Gyncentrum sp. z o.o., NZOZ Gyncentrum - Oddział Warszawa

Warsaw, , Poland

Site Status

Klinika Ambroziak Dermatologia

Warsaw, , Poland

Site Status

DERMACEUM Centrum Badan

Wroclaw, , Poland

Site Status

Complexo Hospitalario Universitario de Santiago de Compostela

A Coruña, , Spain

Site Status

Hospital General Universitario Dr Balmis, ISABIAL

Alicante, , Spain

Site Status

Hospital Germans Trias i Pujol

Badalona, , Spain

Site Status

Hospital de la Santa Creu i Sant Pau

Barcelona, , Spain

Site Status

FutureMeds - Madrid

Madrid, , Spain

Site Status

Hospital Universitario 12 de Octubre, Madrid

Madrid, , Spain

Site Status

FutureMeds - Sevilla

Seville, , Spain

Site Status

Hospital Universitario Miguel Servet

Zaragoza, , Spain

Site Status

Countries

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United States Canada Croatia Germany Poland Spain

Other Identifiers

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CDX0159-10

Identifier Type: -

Identifier Source: org_study_id

2023-510279-80-00

Identifier Type: OTHER

Identifier Source: secondary_id