A Study of BBT002 in Healthy Volunteers (HVs) and in Adult Patients With Chronic Obstructive Pulmonary Disease (COPD)

Summary

This study is a randomized, blinded, placebo-controlled single (SAD) and multiple ascending dose (MAD) study to evaluate the safety, tolerability, pharmacokinetics, immunogenicity, pharmacodynamics and exploratory clinical activity of BBT002 in healthy volunteers (HVs) and in adult patients with Chronic Obstructive Pulmonary Disease (COPD).

Eligibility

Key Inclusion Criteria (Parts A, B, C)

1. Age of 18-65 years (HVs), 35-75 years (patients)
2. Body mass index between 18-32 kg/m², capped at 120 kg
3. Negative pregnancy tests for women of childbearing potential
4. Willingness to refrain from alcohol consumption for 24 hours prior to each study visit
5. Non-smokers, healthy current smokers (≤5 cigarettes/day), or ex-smokers
6. Adequate contraception use (for men and women of childbearing potential)
7. No clinically significant abnormalities or history of relevant diseases

Key Inclusion Criteria (Part C only)

1. Documented history of COPD with a post-bronchodilator FEV1/FVC \< 0.70
2. FEV1 ≥ 30% and FEV1\<80% predicted at screening.

Key Exclusion Criteria for (Parts A, B, C)

1. Positive viral serology for human immunodeficiency virus (HlV), hepatitis C virus (HCV), or hepatitis B (HBV)
2. Immunodeficiencies, autoimmune diseases, or cancer, history of conditions predisposing to infections
3. History of major metabolic, dermatological, liver, kidney, hematological or other significant disorders
4. Clinically relevant abnormal lab results, including low blood counts, liver enzymes, or abnormal kidney function
5. Positive drug/alcohol tests or abnormal vital signs at screening or Day -1
6. Abnormal Electrocardiogram(ECG) findings
7. History of drug/alcohol abuse in the past 2 years
8. History of severe allergic reactions or hypersensitivity

Key Exclusion Criteria for (Part C only)

1. Current diagnosis of other significant pulmonary disease
2. Significant or unstable cardiovascular diseases
3. Recent clinically significant infection
4. Inability to perform spirometry

Conditions2

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