A Study to Assess Safety and PK of Liquid Alpha₁-Proteinase Inhibitor (Human) in Treating Alpha₁-Antitrypsin Deficiency

Completed · Phase 2/Phase 3

Conditions studied: Alpha₁-Antitrypsin Deficiency

In brief

Grifols Therapeutics Inc. conducted a multi-center, randomized, double-blind, crossover study to evaluate the safety, immunogenicity, and pharmacokinetics (PK) of Liquid Alpha₁-PI compared to the currently licensed product, Prolastin-C, in subjects with Alpha₁-Antitrypsin Deficiency (AATD).

Key facts

Study ID: NCT02282527
Run by: Grifols Therapeutics LLC
People needed: 32
Starts: 2014-10-01
Expected to finish: 2016-01-01
Last updated by the study team: 2017-03-13

Who can join

Age: 18 and older, up to 70. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

Be between 18 and 70 years of age, inclusive
Had a diagnosis of congenital AATD
Had a documented total alpha₁-PI level < 11 µM. If the total alpha₁-PI level had yet to be documented, a blood draw for total alpha₁-PI level was obtained at the Screening Visit
Had a post-bronchodilator Forced expiratory volume in 1 second (FEV1) ≥ 30% and < 80% of predicted and FEV1/forced vital capacity (FVC) < 70%
If the subject had received alpha₁-PI augmentation therapy of any kind, he/she must have been be willing to discontinue that treatment at the Week 1 (Baseline) Visit and remain off any kind of alpha₁-PI treatment, other than the investigational products for this study, while participating in the study

You may not qualify if…

Subject had a moderate or severe pulmonary exacerbation during the 4 weeks before the Week 1 (Baseline) Visit
History of lung or liver transplant
Any lung surgery during the past 2 years (excluding lung biopsy)
Liver cirrhosis confirmed by biopsy
Elevated liver enzymes (aspartate transaminase [AST], alanine aminotransferase [ALT], and alkaline phosphatase [ALP]) equal to or greater than 2.5 times the upper limit of normal
Severe concomitant disease (e.g., congestive heart failure, clinically significant pulmonary fibrosis, malignant disease [with the exception of skin cancers other than melanoma], history of acute hypersensitivity pneumonitis reaction, or current chronic hypersensitivity pneumonitis)
Females who were pregnant, breastfeeding or, if of child-bearing potential, unwilling to practice a highly effective method of contraception (oral, injectable or implanted hormonal methods of contraception, placement of an intrauterine device (IUD) or intrauterine system (IUS), condom or occlusive cap with spermicidal foam/gel/film/cream/suppository, male sterilization, or abstinence) throughout the study
Known previous infection with or clinical signs and symptoms consistent with current hepatitis A virus (HAV), hepatitis B virus (HBV), hepatitis C virus (HCV), or human immunodeficiency virus (HIV) infection
Smoking during the past 6 months or a positive urine cotinine test at the Screening Visit that is due to smoking
Participation in another investigational drug study within one month prior to the Week 1 (Baseline) Visit
History of anaphylaxis or severe systemic response to any plasma-derived alpha1-PI preparation or other blood product(s)
Use of systemic steroids above a stable dose equivalent to 5 mg/day prednisone (i.e.,10 mg every 2 days) within the 4 weeks prior to the Week 1 (Baseline) Visit inhaled steroids are not considered systemic steroids)
Use of systemic or aerosolized antibiotics for an exacerbation within the 4 weeks prior to the Week 1 (Baseline) Visit
Known selective or severe Immunoglobulin A (IgA) deficiency

Where it is running

National Jewish Health — Denver, Colorado, United States
University of Florida Gainesville — Gainesville, Florida, United States
University of Miami - Miller School of Medicine — Miami, Florida, United States
PMG Research of Wilmington — Wilmington, North Carolina, United States
Oregon Health and Science University — Portland, Oregon, United States
University of Texas Health Science Center — Tyler, Texas, United States

Full record on ClinicalTrials.gov

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