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A Study to Evaluate the Safety, Tolerability, Efficacy, and Drug Levels of CC-97540 in Participants With Relapsing Forms of Multiple Sclerosis, Progressive Forms of Multiple Sclerosis or Refractory Myasthenia Gravis (MG) (Breakfree-2)

Phase 1
Recruiting
Conditions
Multiple Sclerosis
Myasthenia Gravis
Interventions
Registration Number
NCT06220201
Lead Sponsor
Juno Therapeutics, Inc., a Bristol-Myers Squibb Company
Brief Summary

The purpose of this study is to evaluate the safety, tolerability, efficacy, and drug levels of CC-97540 in participants with Relapsing Forms of Multiple Sclerosis (RMS), Progressive Forms of Multiple Sclerosis (PMS) or Refractory Myasthenia Gravis (MG).

Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
120
Inclusion Criteria

Not provided

Exclusion Criteria

Not provided

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Administration of CC-97540 (RMS arm)CC-97540-
Administration of CC-97540 (RMS arm)Fludarabine-
Administration of CC-97540 (PMS arm)Cyclophosphamide-
Administration of CC-97540 (RMS arm)Cyclophosphamide-
Administration of CC-97540 (PMS arm)Fludarabine-
Administration of CC-97540 (MG arm)Cyclophosphamide-
Administration of CC-97540 (MG arm)Fludarabine-
Administration of CC-97540 (PMS arm)CC-97540-
Administration of CC-97540 (MG arm)CC-97540-
Primary Outcome Measures
NameTimeMethod
Number of participants with adverse events (AEs)Up to week 104
Number of participants with serious adverse events (SAEs)Up to week 104
Number of participants with laboratory test result abnormalitiesUp to week 104
Number of participants with adverse events of special interest (AESIs)Up to week 104
Number of participants with imaging abnormalitiesUp to week 104

For Cohorts 1 and 2

Number of participants with dose-limiting toxicities (DLTs)Up to week 104
Recommended Phase 2 dose (RP2D) based on the incidence of DLTs that occur during the DLT evaluation periodUp to week 104
Secondary Outcome Measures
NameTimeMethod
Annualized relapse rateUp to week 104
Number of participants meeting no evidence of disease activity (NEDA) criteriaUp to week 104
Number of participants with confirmed disability progression per Expanded Disability Status Scale (EDSS)Up to week 12
Change from baseline in magnetic resonance imaging (MRI) metricsUp to week 104

MRI metrics assessed are 1) number of gadolinium-enhancing T1 lesions and 2) total number of new or enlarging hyperintense T2-weigted lesions

Area under the blood concentration-time curve from time zero to 28 days after dosing (AUC(0-28D))Up to week 104
Number of participants with disability improvement confirmed per EDSSUp to week 12
Maximum observed blood concentration (Cmax)Up to week 104
Time of maximum observed blood concentration (Tmax)Up to week 104
Time to last measurable chimeric antigen receptor (CAR T) concentrations (Tlast)Up to week 104
Number of participants with at least 2 points improvement for at least 4 weeks in Myasthenia Gravis activities of daily living (MG-ADL) scoreUp to week 26

For Cohort 3

Number of participants with at least 3 point improvement in Myasthenia Gravis composite (MG-C) scoreUp to week 26

For Cohort 3

Number of participants with at least 3 point improvement in quantitative Myasthenia Gravis (QMG) scoreUp to week 26

For Cohort 3

Trial Locations

Locations (38)

Local Institution - 0008

🇮🇹

Milano, Lombardia, Italy

Yale-New Haven Hospital

🇺🇸

New Haven, Connecticut, United States

Cleveland Clinic

🇺🇸

Cleveland, Ohio, United States

Pitie Salpetriere University Hospital

🇫🇷

Paris, Ville De Paris, France

University of Alabama at Birmingham

🇺🇸

Birmingham, Alabama, United States

University of California, Irvine

🇺🇸

Irvine, California, United States

University of Colorado Anschutz Medical Campus

🇺🇸

Aurora, Colorado, United States

Colorado Blood Cancer Institute

🇺🇸

Denver, Colorado, United States

University of Kansas Medical Center

🇺🇸

Kansas City, Kansas, United States

Local Institution - 0039

🇺🇸

New Orleans, Louisiana, United States

Massachusetts General Hospital

🇺🇸

Boston, Massachusetts, United States

Washington University School of Medicine

🇺🇸

Saint Louis, Missouri, United States

Hackensack University Medical Center

🇺🇸

Hackensack, New Jersey, United States

Local Institution - 0042

🇺🇸

New York, New York, United States

Neurological Institute of New York

🇺🇸

New York, New York, United States

University of Cincinnati Medical Center

🇺🇸

Cincinnati, Ohio, United States

Local Institution - 0043

🇺🇸

Cleveland, Ohio, United States

Local Institution - 0037

🇺🇸

Portland, Oregon, United States

Local Institution - 0021

🇺🇸

Philadelphia, Pennsylvania, United States

Local Institution - 0006

🇺🇸

Dallas, Texas, United States

Swedish Medical Center

🇺🇸

Seattle, Washington, United States

Medical College of Wisconsin

🇺🇸

Milwaukee, Wisconsin, United States

Local Institution - 0040

🇧🇪

Edegem, Antwerpen, Belgium

UZ Gent

🇧🇪

Gent, Oost-Vlaanderen, Belgium

Hopital Claude Huriez - CHU de Lille

🇫🇷

Lille, Nord, France

Universitaetsklinikum Duesseldorf

🇩🇪

DĂĽsseldorf, Germany

Universitaetsklinikum Erlangen

🇩🇪

Erlangen, Germany

Universitaetsklinikum Essen

🇩🇪

Essen, Germany

Klinikum der Universität München Großhadern

🇩🇪

MĂĽnchen, Germany

Hospital Universitari Vall d'Hebron

🇪🇸

Barcelona, Barcelona [Barcelona], Spain

Local Institution - 0016

🇪🇸

Barcelona, Barcelona [Barcelona], Spain

Hospital ClĂ­nic de Barcelona

🇪🇸

Barcelona, Catalunya [Cataluña], Spain

Hospital Universitario RamĂłn y Cajal

🇪🇸

Madrid, Madrid, Comunidad De, Spain

Hospital Universitari i Politecnic La Fe

🇪🇸

València, Spain

University College London Hospital

🇬🇧

London, London, City Of, United Kingdom

Salford Royal Hospital

🇬🇧

Salford, Manchester, United Kingdom

Local Institution - 0020

🇬🇧

London, United Kingdom

Manchester Royal Infirmary

🇬🇧

Manchester, United Kingdom

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