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Long-term, Open-label Study of SAR447537 (INBRX-101) in Adults With Alpha-1 Antitrypsin Deficiency Emphysema

Phase 2
Recruiting
Conditions
Alpha 1-Antitrypsin Deficiency
Emphysema
Interventions
Registration Number
NCT05897424
Lead Sponsor
Sanofi
Brief Summary

Phase 2 open label extension study to evaluate SAR447537 (INBRX-101) in adults with AATD emphysema

Detailed Description

This is a Phase 2, Single Arm, Open Label Extension Study, Evaluating the Long-Term Safety and Clinical Efficacy of SAR447537 (INBRX-101) in Adults With Alpha-1 Antitrypsin Deficiency (AATD) Emphysema.

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
130
Inclusion Criteria
  1. Males or females 18-80 years of age, inclusive, at the time of screening
  2. Diagnosis of AATD
  3. Evidence of emphysema secondary to AATD
  4. FEV1 of ≥ 30% predicted at screening and post-bronchodilator FEV1/FVC<0.7
  5. Current non-smoking status
Exclusion Criteria
  1. Receipt of A1PI augmentation therapy within 5 weeks prior to the first dose of study drug
  2. Known or suspected allergy to components of SAR447537, A1PI or human IgG
  3. Known or suspected diagnosis of type 1 diabetes or diagnosed with uncontrolled type 2 diabetes
  4. Received IV immunoglobulins, monoclonal antibodies and/or other biologic therapies within 30 days
  5. On waiting list for lung or liver transplant
  6. Acute respiratory tract infection or COPD exacerbation within 4 weeks prior to or during screening
  7. Evidence of decompensated cirrhosis
  8. Active cancers or has a history of malignancy within 5 years prior to screening
  9. History of unstable cor pulmonale
  10. Clinically significant congestive heart failure

The above information is not intended to contain all considerations relevant to a participant's potential participation in a clinical trial.

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
SAR447537 (INBRX-101)SAR447537A1PI, Recombinant, Bivalent Fc Fusion Protein, in a solution for intravenous injection
Primary Outcome Measures
NameTimeMethod
Long-term safety and tolerability3 years

Incidence of all treatment emergent adverse events (TEAEs), TEAEs ≥ Grade 3, serious adverse events (SAEs), TEAEs leading to discontinuation from SAR447537, and adverse events of special interest (AESIs) (including infusion-related reactions).

Secondary Outcome Measures
NameTimeMethod
Change in lung density by quantitative computerized tomography (CT)3 years

Assess the annual rate of change in lung density assessed by serial quantitative CT (15th percentile point, PD15) at total lung capacity (TLC), centrally read, from baseline to end of treatment (EoT).

Trough SAR447537 concentration changes3 years

Change in SAR447537 concentration levels from baseline to end of treatment

Trough serum functional AAT (fAAT) concentration changes3 years

Change in fAAT concentration levels from baseline to end of treatment

Covariate Analysis: Biometric Values: Weight3 years

Assessment of the impact of participant's weight \[in kg\] on the pharmacokinetic profile of SAR447537

Covariate Analysis: Biometric Values: Height3 years

Assessment of the impact of participant's height \[in cm\] on the pharmacokinetic profile of SAR447537

Covariate Analysis: Biometric Values: Age3 years

Assessment of the impact of participant's age \[in years\] on the pharmacokinetic profile of SAR447537

Covariate Analysis: Biometric Values: Sex3 years

Assessment of the impact of participant's sex \[male or female\] on the pharmacokinetic profile of SAR447537

Anti-drug antibodies3 years

Frequency of anti-drug antibodies (ADA) against SAR447537 as well as neutralizing ADA (NAb) against SAR447537

Trial Locations

Locations (41)

University of Alabama at Birmingham- Site Number : 105

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Birmingham, Alabama, United States

St. Joseph's Hospital and Medical Center- Site Number : 126

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Phoenix, Arizona, United States

David Geffen School of Medicine at UCLA- Site Number : 124

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Los Angeles, California, United States

University of California Davis Medical Center

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Sacramento, California, United States

National Jewish Health Medical Center- Site Number : 123

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Denver, Colorado, United States

Nuvance Health Medical Practices, Pulmonary & Sleep Specialists- Site Number : 119

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Danbury, Connecticut, United States

Meris Clinical Research-310 Oakfield Dr- Site Number : 115

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Brandon, Florida, United States

University of Florida - Gainesville - 1600 SW Archer Rd- Site Number : 101

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Gainesville, Florida, United States

Indiana University Health University Hospital- Site Number : 127

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Indianapolis, Indiana, United States

Brigham and Women's Hospital -75 Francis Street- Site Number : 131

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Boston, Massachusetts, United States

University of Minnesota-420 Delaware Str SE- Site Number : 125

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Minneapolis, Minnesota, United States

Hannibal Regional Healthcare System-HRMG-Hannibal- Site Number : 111

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Hannibal, Missouri, United States

Columbia University Irving Medical Center- Site Number : 104

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New York, New York, United States

Oregon Health and Science University- Site Number : 117

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Portland, Oregon, United States

Penn State Health Milton S. Hershey Medical Center- Site Number : 122

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Hershey, Pennsylvania, United States

Temple University Hospital - 3401 N Broad St- Site Number : 130

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Philadelphia, Pennsylvania, United States

Investigational Site Number : 204

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South Brisbane, Queensland, Australia

Velocity Clinical Research - Spartanburg - PPDS- Site Number : 120

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Spartanburg, South Carolina, United States

Investigational Site Number : 202

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Brisbane, Queensland, Australia

Houston Methodist Hospital- Site Number : 113

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Houston, Texas, United States

University of Utah Health Care- Site Number : 106

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Salt Lake City, Utah, United States

Investigational Site Number : 201

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Adelaide, South Australia, Australia

Investigational Site Number : 205

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Frankston, Victoria, Australia

Investigational Site Number : 203

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Melbourne, Victoria, Australia

Investigational Site Number : 207

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Melbourne, Victoria, Australia

Investigational Site Number : 701

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Hellerup, Denmark

Investigational Site Number : 702

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Vejle, Denmark

Investigational Site Number : 501

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Dublin 9, Dublin, Ireland

Investigational Site Number : 403

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Auckland, New Zealand

Investigational Site Number : 802

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Krakow, Malopolskie, Poland

Investigational Site Number : 601

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Gothenburg, Sweden

Investigational Site Number : 308

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Dundee, Angus, United Kingdom

Investigational Site Number : 404

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Wellington, New Zealand

Investigational Site Number : 903

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Santiago de Compostela, A Coruña [La Coruña], Spain

Investigational Site Number : 901

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Santander, Cantabria, Spain

Investigational Site Number : 902

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Madrid, Spain

Investigational Site Number : 307

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Exeter, Devon, United Kingdom

Investigational Site Number : 304

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Southampton, Hampshire, United Kingdom

Investigational Site Number : 309

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Coventry, United Kingdom

Investigational Site Number: 306

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Manchester, United Kingdom

Investigational Site Number : 306

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Wythenshawe, United Kingdom

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