Efficacy and Safety of Alpha1-Proteinase Inhibitor (Human), Modified Process (Alpha-1 MP) in Subjects With Pulmonary Emphysema Due to Alpha1 Antitrypsin Deficiency (AATD) (SPARTA)

  • STATUS
    Recruiting
  • End date
    Jun 13, 2025
  • participants needed
    339
  • sponsor
    Grifols Therapeutics LLC
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Updated on 13 March 2022
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Summary

This is a multi-center, randomized, placebo-controlled, double blind clinical study to assess the efficacy and safety of two separate dose regimens of Alpha-1 MP versus placebo for 156 weeks (i.e., 3 years) using computed tomography (CT) of the lungs as the main measure of efficacy. The two Alpha-1 MP doses to be tested are 60 mg/kg and 120 mg/kg administered weekly by IV infusion for 156 weeks. The study consists of an optional pre-screening phase, Screening Phase, a 156-week Treatment Phase, and an End of Study Visit at Week 160.

Details
Condition Pulmonary Emphysema in Alpha-1 PI Deficiency
Treatment Alpha1-proteinase inhibitor (human), modified process (Alpha-1 MP), 0.9% Sodium Chloride for Injection, USP, Alpha-1 MP
Clinical Study IdentifierNCT01983241
SponsorGrifols Therapeutics LLC
Last Modified on13 March 2022

Eligibility

 Yes No Not Sure

Inclusion Criteria

Have a documented total alpha1-PI serum level < 11 µM
Have a diagnosis of congenital AATD with an allelic combination of ZZ, SZ, Z(null), (null)(null), S(null), or "at-risk" alleles
At the Screening (Week -3) Visit, have a post-bronchodilator forced expiratory volume in 1 second (FEV1) ≥ 30% and < 80% of predicted and FEV1/forced vital capacity (FVC) < 70% (Global Initiative for Chronic Obstructive Lung Disease [GOLD] stage II or III)
Have a carbon monoxide diffusing capacity (DLCO) ≤ 60% of predicted (corrected for HgB) within the past 2 years OR evidence of pulmonary emphysema on CT scan within the past 2 years per the Investigator's judgment
Have clinical evidence of pulmonary emphysema per the Investigator's judgment

Exclusion Criteria

Has received alpha1-PI augmentation therapy for more than 1 month within the six months prior to the Screening Visit
Has received alpha1-PI augmentation therapy within one month of the Screening Visit
Has had a chronic obstructive pulmonary disease (COPD) exacerbation within the 5 weeks prior to the Screening Visit or during the Screening Phase
Unable to physically (e.g., unable to fit inside the CT scanner) or mentally (e.g., claustrophobic) undergo a CT scan
History of lung or liver transplant
Any lung surgery during the past 2 years (excluding lung biopsy)
On the waiting list for lung surgery, including lung transplant
Smoking during the past 12 months or a positive urine cotinine test at screening that is due to smoking. Maybe on Nicotine replacement, including vapor cigarettes
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 5 weeks prior to the Screening Visit (inhaled steroids are not considered systemic steroids) or during the Screening Phase
Use of systemic or aerosolized antibiotics for a COPD exacerbation within the 5 weeks prior to the Screening Visit or during the Screening Phase
Known selective or severe Immunoglobulin A (IgA) deficiency
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