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Study to Check the Safety of Fazirsiran and Learn if Fazirsiran Can Help People With Liver Disease and Scarring (Fibrosis) Due to an Abnormal Version of Alpha-1 Antitrypsin Protein

Phase 3
Recruiting
Conditions
Alpha1-Antitrypsin Deficiency
Interventions
Registration Number
NCT05677971
Lead Sponsor
Takeda
Brief Summary

The main aim of this study is to learn if fazirsiran reduces liver scarring (fibrosis) compared to placebo. Other aims are to learn if fazirsiran slows down the disease worsening in the liver, to get information on how fazirsiran affects the body (called pharmacodynamics), to learn if fazirsiran reduces other liver injury (inflammation) and the abnormal Z-AAT protein in the liver, to get information on how the body processes fazirsiran (called pharmacokinetics), to test how well fazirsiran works compared with a placebo in improving measures of liver scarring including imaging and liver biomarkers (substances in the blood that the body normally makes and help show if liver function is improving, staying the same, or getting worse) as well as to check for side effects in participants treated with fazirsiran compared with those who received placebo.

Participants will either receive fazirsiran or placebo. Liver biopsies, a way of collecting a small tissue sample from the liver, will be taken twice during this study.

Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
160
Inclusion Criteria

Not provided

Read More
Exclusion Criteria

Not provided

Read More

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
PlaceboPlaceboParticipants will receive placebo on Day 1, at Week 4, and Q12 W thereafter up to Week 196.
FazirsiranFazirsiran InjectionParticipants will receive fazirsiran 200 milligram per milliliter (mg/ml) subcutaneous (SC) injection on Day 1, at Week 4, and then every 12 weeks (Q12 W) thereafter up to Week 196.
Primary Outcome Measures
NameTimeMethod
Reduction From Baseline of at Least 1 Stage of Histologic Fibrosis (METAVIR Staging) in the Centrally Read Liver Biopsy at Week 106 in AATD-LD With METAVIR Stage F2 and F3 FibrosisBaseline, Week 106

Reduction from baseline of at least 1 stage of histologic fibrosis METAVIR staging in the centrally read liver biopsy at Week 106 in AATD-LD with METAVIR stage F2 and F3 fibrosis will be assessed.

Secondary Outcome Measures
NameTimeMethod
Percent Change from Baseline in Intrahepatic Z-AAT Protein in Alpha-1 Antitrypsin Deficiency-Associated Liver Disease (AATD-LD) with METAVIR Stage F2 to F3 Fibrosis at Week 106Baseline, Week 106

Percent change from baseline in intrahepatic Z-AAT protein in AATD-LD with METAVIR stage F2 to F3 fibrosis will be assessed.

Reduction From Baseline of at Least 1 Stage of Histologic Fibrosis (METAVIR Staging) in the Centrally Read Liver BiopsyBaseline, Week 106 and Week 202

Reduction from baseline of at least 1 stage of histologic fibrosis (METAVIR Staging) in the centrally read liver biopsy in participants with AATD-LD with METAVIR stage fibrosis will be assessed.

Number of Participants With Liver Related Clinical Events up to Week 202Baseline up to Week 202

Number of participants with any qualifying liver-related clinical events up to Week 202 in AATD-LD with METAVIR stage F2 to F4 fibrosis will be assessed.

Change From Baseline in Serum Z-Alpha-1 Antitrypsin (Z-AAT) ProteinBaseline, Week 106, Week 202

Change from baseline in serum Z-AAT protein in participants with AATD-LD with METAVIR stage fibrosis will be assessed.

Change From Baseline in Intrahepatic Z-AAT Protein Polymer Burden Assessed by Periodic Acid Schiff Plus Diastase (PAS+D) StainingBaseline, Week 106, Week 202

Change from baseline in intrahepatic Z-AAT protein polymer burden assessed by PAS+D staining liver biopsy in participants with AATD-LD with METAVIR stage fibrosis will be assessed.

Change From Baseline in Intrahepatic Portal InflammationBaseline, Week 106, Week 202

Change from baseline in intrahepatic portal inflammation liver biopsy in participants with AATD-LD with METAVIR stage fibrosis will be assessed.

Change From Baseline in Vibration-Controlled Transient Elastography (VCTE)/Magnetic Resonance Elastography (MRE)-derived Liver StiffnessBaseline, Week 106, Week 196 and Week 202

Change from baseline in VCTE/MRE-derived liver stiffness in participants with AATD-LD with METAVIR stage fibrosis will be assessed.

Change From Baseline in Model of End-Stage Liver Disease (MELD) ScoreBaseline, Week 106, and Week 202

The MELD scoring system is used to assess the severity of chronic liver disease. The MELD score is derived from the participant's serum total bilirubin, serum creatinine, and prothrombin international normalized ratio (INR): 3.78\*log e serum bilirubin (milligram per deciliter \[mg/dL\]) + 11.20\* log e INR + 9.57\* log e serum creatinine (mg/dL) + 6.43 (constant for liver disease etiology). The MELD score ranges from 6 to 40 with higher scores indicating more severe liver disease and a worse outcome. Change from baseline in MELD score in participants with AATD-LD with METAVIR stage fibrosis will be assessed.

Change From Baseline in Liver InjuryBaseline, Week 106 and Week 202

Change from baseline in liver injury in participants with AATD-LD with METAVIR stage fibrosis will be assessed.

Percent Change from Baseline in Intrahepatic Z-AAT Protein in AATD-LD With METAVIR Stage F2 to F4 FibrosisBaseline, Week 106 and Week 202

Percent change from baseline in intrahepatic Z-AAT protein in AATD-LD with METAVIR stage F2 to F4 fibrosis will be assessed.

Observed Plasma Concentrations of FazirsiranPre-dose up to Week 220

Observed Plasma Concentrations of Fazirsiran will be assessed.

Number of Participants with Treatment-emergent adverse event (TEAE) and Serious TEAEsFrom start of study drug administration up to end of the study (EOS) (Week 230)

An AE is any untoward medical occurrence in a clinical investigation participant administered a pharmaceutical product and that does not necessarily have a causal relationship with this investigational product (IP) or medicinal product. An SAE is any untoward medical occurrence that at any dose met one, more of the following criteria: results in death, life-threatening, requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent, significant disability/incapacity, a congenital abnormality/birth defect, an important medical event. A TEAE is any event emerging or manifesting at or after the initiation of treatment with an IP or medicinal product or any existing event that worsens in either intensity or frequency following exposure to the IP or medicinal product. Number of participants with TEAEs and serious TEAEs will be assessed.

Number of Participants with Clinically Significant Declines in Lung Function ParametersFrom start of study drug administration up to EOS (Week 230)

Standard pulmonary function parameters measured will be used to study lung function.

Change From Baseline in Whole Lung PD15 (15th percentile point) Measured by CT lung DensitometryBaseline up to Week 196

Change from baseline in whole lung PD15 (15th percentile point) as measured by CT lung densitometry will be assessed.

Number of Participants with Clinically Significant Change in Vital SignsFrom start of study drug administration up to EOS (Week 230)

Vital signs will include body temperature, respiratory rate, blood pressure, pulse and amount of oxygen in the blood. Any change in vital signs which are deemed clinically significant by the investigator will be reported as AE.

Number of Participants with Clinically Significant Changes in Electrocardiogram (ECG) ParametersFrom start of study drug administration up to EOS (Week 230)

12-lead ECG will be evaluated. Any change in ECG assessments which are deemed clinically significant by the investigator will be reported as AE.

Number of Participants with Clinically Significant Changes in Clinical Laboratory AssessmentsFrom start of study drug administration up to EOS (Week 230)

Clinical laboratory assessments include hematology, serum chemistry, coagulation, and urinalysis. Changes in laboratory values may be considered as AE if they were judged to be clinically significant.

Trial Locations

Locations (69)

University of Maryland Medical Center

🇺🇸

Baltimore, Maryland, United States

University of Alabama at Birmingham

🇺🇸

Birmingham, Alabama, United States

St. Joseph's Hospital and Medical Center

🇺🇸

Phoenix, Arizona, United States

Mayo Clinic

🇺🇸

Phoenix, Arizona, United States

University of Arizona Thomas D. Boyer Liver Institute

🇺🇸

Tucson, Arizona, United States

Gastroenterology & Liver Institute

🇺🇸

Escondido, California, United States

University of California San Diego, Altman Clinical and Translational Institute

🇺🇸

La Jolla, California, United States

UCLA Pulmonary and Critical Care

🇺🇸

Los Angeles, California, United States

Stanford University

🇺🇸

Palo Alto, California, United States

University of California Benioff Children's Hospital

🇺🇸

San Francisco, California, United States

University of Florida

🇺🇸

Gainesville, Florida, United States

Schiff Center for Liver Diseases/University of Miami

🇺🇸

Miami, Florida, United States

Children's Healthcare of Atlanta

🇺🇸

Atlanta, Georgia, United States

Indiana University School of Medicine - Indianapolis

🇺🇸

Indianapolis, Indiana, United States

University of Iowa Hospitals and Clinics

🇺🇸

Iowa City, Iowa, United States

Brigham and Womens Hospital

🇺🇸

Boston, Massachusetts, United States

Boston Medical Center

🇺🇸

Boston, Massachusetts, United States

University of Michigan Hospital

🇺🇸

Ann Arbor, Michigan, United States

Henry Ford Medical Center - Columbus

🇺🇸

Novi, Michigan, United States

Mayo Clinic - PPDS

🇺🇸

Rochester, Minnesota, United States

Cardinal Glennon Children's Hospital

🇺🇸

Saint Louis, Missouri, United States

Washington University School of Medicine in St. Louis

🇺🇸

Saint Louis, Missouri, United States

NYU Langone Health

🇺🇸

New York, New York, United States

Morgan Stanley Childrens Hospital of New York Presbyterian (CHONY) - PIN

🇺🇸

New York, New York, United States

Columbia University Irving Medical Center

🇺🇸

New York, New York, United States

University Hospitals Cleveland Medical Center

🇺🇸

Cleveland, Ohio, United States

Penn State Health Milton S. Hershey Medical Center

🇺🇸

Hershey, Pennsylvania, United States

Medical University of South Carolina

🇺🇸

Charleston, South Carolina, United States

Vanderbilt University Medical Center

🇺🇸

Nashville, Tennessee, United States

The Texas Liver Institute

🇺🇸

San Antonio, Texas, United States

Bon Secours St. Mary's Hospital

🇺🇸

Richmond, Virginia, United States

VCU Medical Center North Hospital

🇺🇸

Richmond, Virginia, United States

Royal Adelaide Hospital

🇦🇺

Adelaide, South Australia, Australia

St Vincents Hospital Melbourne - PPDS

🇦🇺

Fitzroy, Victoria, Australia

LKH-Universitätsklinikum Graz

🇦🇹

Graz, Austria

Klinikum Klagenfurt Am Wörthersee

🇦🇹

Klagenfurt, Austria

Medizinische Universität Wien (Medical University of Vienna)

🇦🇹

Vienna, Austria

UZ Antwerpen

🇧🇪

Antwerpen, Belgium

UZ Leuven

🇧🇪

Leuven, Belgium

Hospital Sirio-Libanes

🇧🇷

Sao Paulo, Brazil

Universidade Estadual Paulista Julio de Mesquita Filho Faculdade de Medicina Campus de Botucatu

🇧🇷

São Paulo, Brazil

GI Research Institute

🇨🇦

Vancouver, British Columbia, Canada

Inspiration Research Limited

🇨🇦

Toronto, Ontario, Canada

Institut klinicke a experimentalni mediciny

🇨🇿

Prague, Czechia

Hôpital Beaujon

🇫🇷

Clichy, France

Hôpital de La Croix Rousse

🇫🇷

Lyon, France

Hopital PONTCHAILLOU CHU de Rennes

🇫🇷

Rennes, France

Hospital Purpan

🇫🇷

Toulouse, France

Hôpital Paul Brousse

🇫🇷

Val-de-Marne, France

Universitätsklinikum der RWTH Aachen

🇩🇪

Aachen, Germany

Charité - Campus Virchow-Klinikum-Ostring 1

🇩🇪

Berlin, Germany

Hannover Medical School

🇩🇪

Hannover, Germany

Universitätsklinikum Tübingen

🇩🇪

Tübingen, Germany

Fondazione IRCCS Policlinico San Matteo di Pavia

🇮🇹

Pavia, Italy

Amsterdam UMC - VUmc - De Boelelaan

🇳🇱

Amsterdam, Netherlands

Leiden University Medical Center

🇳🇱

Leiden, Netherlands

ID Clinic Arkadiusz Pisula

🇵🇱

Slaskie, Poland

CCA Hospital Braga

🇵🇹

Braga, Portugal

Hospital Nélio Mendonça

🇵🇹

Funchal, Portugal

Hospital Dr. Nélio Mendonça

🇵🇹

Funchal, Portugal

Centro Hospitalar do Porto

🇵🇹

Porto, Portugal

Hospital Universitario Vall d'Hebron - PPDS

🇪🇸

Barcelona, Spain

Hospital Universitario Virgen del Rocio - PPDS

🇪🇸

Sevilla, Spain

Karolinska Universitetssjukhuset Huddinge

🇸🇪

Huddinge, Sweden

Inselspital Bern

🇨🇭

Bern, Switzerland

Royal Infirmary of Edinburgh

🇬🇧

Edinburgh, United Kingdom

King's College Hospital

🇬🇧

London, United Kingdom

Queen's Medical Centre

🇬🇧

Nottingham, United Kingdom

Derriford Hospital

🇬🇧

Plymouth, United Kingdom

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