Phase 2, Double-Blind, Randomized, Active-Control, Parallel Group Study to Assess the Pharmacokinetics, Pharmacodynamics, Immunogenicity, and Safety of INBRX-101 Compared to Plasma-Derived Alpha1-Proteinase Inhibitor (A1PI) Augmentation Therapy in Adults With Alpha-1 Antitrypsin Deficiency (AATD) Emphysema

INBRX101-01-201

Phase 2 study to compare INBRX-101 to plasma derived A1PI therapy in adults with AATD emphysema

2023-10-12

2025-05-01

2025-06-01

Recruiting

Early phase I

90

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% and ≤ 80% predicted at screening 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 INBRX-101, A1PI or human IgG 3. Known selective or severe Immunoglobulin A (IgA) deficiency 4. Known or suspected diagnosis of type 1 diabetes or diagnosed with uncontrolled type 2 diabetes 5. Received IV immunoglobulins, monoclonal antibodies and/or other biologic therapies within 30 days 6. On waiting list for lung or liver transplant 7. Acute respiratory tract infection or COPD exacerbation within 4 weeks prior to or during screening 8. Evidence of decompensated cirrhosis 9. Active cancers or has a history of malignancy within 5 years prior to screening 10. History of unstable cor pulmonale 11. Clinically significant congestive heart failure

{'studyType': 'INTERVENTIONAL', 'phases': ['PHASE2'], 'designInfo': {'allocation': 'RANDOMIZED', 'interventionModel': 'PARALLEL', 'interventionModelDescription': 'Double-blind, randomized, active-control, parallel group interventional study', 'primaryPurpose': 'TREATMENT', 'maskingInfo': {'masking': 'QUADRUPLE', 'whoMasked': ['PARTICIPANT', 'CARE_PROVIDER', 'INVESTIGATOR', 'OUTCOMES_ASSESSOR']}}, 'enrollmentInfo': {'count': 90, 'type': 'ESTIMATED'}}

2024-06-04