AzTrials
AzTrials

EmphysemaPhase 2SPARKNCT01213043

Safety and Pharmacokinetics of Alpha-1 Proteinase Inhibitor in Subjects With Alpha1-Antitrypsin Deficiency

A Phase 2 study testing Prolastin-C, 60 mg/kg and Prolastin-C, 120 mg/kg in people with Emphysema and Alpha 1-antitrypsin Deficiency (AATD), run by Grifols Therapeutics LLC at 5 sites in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

This is a study to assess the safety and pharmacokinetics of weekly infusions of 120 mg/kg of Prolastin-C (alpha1-proteinase inhibitor [alpha1-PI] [Human]), compared to weekly infusions of 60 mg/kg of Prolastin-C in patients with alpha 1-antitrypsin deficiency (AATD). Read more about this study

Who is it for?
Ages 18 to 70 years
What is being tested?
Prolastin-C, 60 mg/kg and Prolastin-C, 120 mg/kg
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
30 participants
Where
5 sitesUnited States
Study dates
Nov 2010to Jan 2012
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 70 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Be between 18 and 70 years of age
  • Have a documented diagnosis of congenital AATD
  • Have a post-bronchodilator Forced Expired Volume in 1 second (FEV1) of ≥30% and <80% and FEV1/forced vital capacity (FVC) <70%
  • If receiving alpha-1 PI augmentation therapy, be willing to discontinue the treatment for the duration of the study

Who cannot join

  • Had a moderate or severe pulmonary exacerbation during the 4 weeks before the study
  • History of lung or liver transplant
  • Any lung surgery during the past 2 years
  • Confirmed liver cirrhosis
  • Elevated liver enzymes
  • Severe concurrent disease
Show all 11Show fewer
  • Females who are pregnant or breast-feeding or unwilling to practice effective contraception during the study
  • Infection with hepatitis A, B, or C, human immunodeficiency or parvovirus B19
  • Smoking during the past 6 months
  • Use of systemic steroids within 4 weeks of the study
  • Use of antibiotics for an exacerbation within 4 weeks of the study

Trial locations and contacts

5 sites in 1 country.

5 sites in 1 country

United States5 sites
  • Medical University of South Carolina, Division of Pulmonary and Critical Care Medicine

    Charleston, South Carolina, 29425-6300

  • University of Florida College of Medicine

    Gainesville, Florida, 32610-0225

  • University of Miami

    Miami, Florida, 33136

  • Temple University Hosptial/Temple Lung Center

    Philadelphia, Pennsylvania, 19140

  • The University of Texas Health Science Center at Tyler

    Tyler, Texas, 75708

Other trials in United States

About this study

Official title: A Randomized Double-blind Crossover Study to Assess the Safety and Pharmacokinetics of Two Different Doses of Weekly Intravenous Administration of Alpha1-Proteinase Inhibitor (Human) Prolastin®-C in Subjects With Alpha1-Antitrypsin Deficiency

This is a study to assess the safety and pharmacokinetics of weekly infusions of 120 mg/kg of Prolastin-C (alpha1-proteinase inhibitor [alpha1-PI] [Human]), compared to weekly infusions of 60 mg/kg of Prolastin-C in patients with alpha 1-antitrypsin deficiency (AATD).

Read the detailed description

The question of whether higher doses of alpha1-PI (>60 mg/kg) are able to provide better protection to patients with alpha 1-antitrypsin deficiency is currently unknown. As a first step to address this question, the present study has been undertaken. This is a multi-center, randomized, double-blind, crossover study to assess the safety and pharmacokinetics of weekly infusions of 120 mg/kg of Prolastin-C, compared to weekly infusions of 60 mg/kg of Prolastin-C in patients with alpha 1-antitrypsin deficiency. This study is a crossover design with 2 treatment sequences:

Treatment Sequence 1: 60 mg/kg weekly infusion of Prolastin-C for 8 weeks followed by 120 mg/kg weekly infusion of Prolastin-C for 8 weeks (starting at Week 1) (total of 16 treatment weeks)

Treatment Sequence 2: 120 mg/kg weekly infusion of Prolastin-C for 8 weeks followed by 60 mg/kg weekly infusion of Prolastin-C for 8 weeks (starting at Week 11) (total of 16 treatment weeks)

Approximately 15 subjects are planned to be entered into each treatment sequence.

At Weeks 8 to 11 and Weeks 18 to 21, a total of 15 serial blood samples for each subject will be drawn for pharmacokinetic analysis. The expected duration of the study subject's participation will be approximately 25 weeks (which includes a 3-Week Screening Phase, 2-Week Washout Period [between different alpha-1 PI treatment doses], and a 4-Week Follow-up Period). The following safety parameters will be assessed: adverse events, pulmonary exacerbations, vital signs, pulmonary function tests, and clinical laboratory tests.

Being tested
Prolastin-C, 60 mg/kg, Prolastin-C, 120 mg/kg
Keywords
emphysema, alpha 1-antitrypsin, alpha 1-antitrypsin deficiency (AATD), alpha 1-proteinase inhibitor (Alpha-1 PI)
Medical subject headings
Emphysema, alpha 1-Antitrypsin Deficiency

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Prolastin-C, 60 mg/kgBiological

    Also called Alpha1-Proteinase Inhibitor, Alpha1-Proteinase Inhibitor (Human), Modified Process, Alpha-1 MP

    60 mg/kg weekly infusion of Prolastin-C for 8 weeks

  • Prolastin-C, 120 mg/kgBiological

    Also called Alpha1-Proteinase Inhibitor, Alpha1-Proteinase Inhibitor (Human), Modified Process, Alpha-1 MP

    120 mg/kg weekly infusion of Prolastin-C for 8 weeks

Study groups in NCT01213043
Study groupRoleWhat they receive
Prolastin-C, 60 mg/kgActive comparator60 mg/kg weekly infusion of Prolastin-C for 8 weeks. Subjects were infused with 60 mg/kg Prolastin-C by means of one of two possible treatment sequences: 1) 60 mg/kg weekly infusion of Prolastin-C for 8 weeks followed by 120 mg/kg Prolastin-C for 8 weeks, or 2) 120 mg/kg Prolastin-C for 8 weeks followed by 60 mg/kg weekly infusion of Prolastin-C for 8 weeks (total of 16 weeks).
Receives: Biological: Prolastin-C, 60 mg/kg
Prolastin-C, 120 mg/kgExperimental120 mg/kg weekly infusion of Prolastin-C for 8 weeks. Subjects were infused with 120 mg/kg Prolastin-C by means of one of two possible treatment sequences: 1) 60 mg/kg weekly infusion of Prolastin-C for 8 weeks followed by 120 mg/kg Prolastin-C for 8 weeks, or 2) 120 mg/kg Prolastin-C for 8 weeks followed by 60 mg/kg weekly infusion of Prolastin-C for 8 weeks (total of 16 weeks).
Receives: Biological: Prolastin-C, 120 mg/kg

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Subjects With Treatment-Emergent Adverse Events (TEAEs)

    Number of subjects experiencing at least one TEAE. TEAEs were defined as any adverse event (AE) during the study that began on or after the date of first dose of investigational product (i.e., Prolastin-C).

    Measured: 22 weeks

  2. Subjects With Drug-Related TEAE(s)

    Number of subjects with at least one TEAE that was determined by the Investigator to be either "possibly related" or "related" to the investigational product (i.e., Prolastin-C).

    Measured: 22 weeks

  3. Subjects With Treatment-Emergent Serious Adverse Events (SAEs)

    Number of subjects who experienced at least one treatment-emergent SAE.

    Measured: 22 weeks

  4. Subjects Withdrawn Due to an AE(s)

    Number of subjects who were withdrawn from the study due to at least one AE.

    Measured: 22 weeks

  5. Subjects With Treatment-Emergent Pulmonary Exacerbation(s)

    Number of subjects with at least one treatment-emergent pulmonary exacerbation

    Measured: 22 weeks

  6. Subjects With Severe TEAE(s) or Pulmonary Exacerbation(s)

    Number of subjects who experienced at least one severe TEAE or pulmonary exacerbation.

    Measured: 22 weeks

  7. Number of TEAEs

    Total number of TEAEs reported.

    Measured: 22 Weeks

  8. Number of Drug-related TEAEs

    Total number of drug-related TEAEs reported

    Measured: 22 Weeks

  9. Number of Treatment-Emergent Pulmonary Exacerbations

    Total number of treatment-emergent pulmonary exacerbations.

    Measured: 22 Weeks

Secondary outcomes (2)
  1. AUC0-7days

    Area Under the Alpha-1 PI Concentration-Time Curve from Day 0 to Day 7

    Measured: Week 8 and Week 18 at the following timepoints: 0 (pre-infusion), completion of first infusion bag, completion of 2nd infusion bag, and 15 min, 30 min, and 1, 2, 4, 8, 24, 48, 120, and 168 hours post-dose

  2. Mean Trough

    The average trough concentration at steady-state, calculated as the mean value using the four Trough measurements obtained at Weeks 6, 7, 8 and at 7 days (168 hours) post infusion at Week 8 for the first treatment period or prior to the start of the infusions at Weeks 16, 17, 18, and at 7 days (168 hours) post infusion at Week 18 for the second treatment period.

    Measured: Single measurment immediately prior to infusion at Weeks 6, 7, 8, 9 and Weeks 16, 17, 18, 19

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted1 Oct 2010 (estimated)
  2. Study startNov 2010
  3. Primary completionJan 2012
  4. Study completionJan 2012

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Crossover
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
30 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01213043
Sponsor's protocol ID
T6004-201/Version 2
Acronym
SPARK
Status last verified
Apr 2013
First submitted
29 Sep 2010
Last updated
20 May 2013
Data monitoring committee
No

Publications

  • Willis T, Wee K, Mohn G. A high-purity Alpha-1 proteinase inhibitor from human plasma, TAL6004. Proceeding of the 19th European Respiratory Society Annual Congress; 2009 Sep 12-16; Vienna, Austria. Abstracts;34:S53.

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Prolastin-C, 60 mg/kg and Prolastin-C, 120 mg/kg in people with Emphysema and Alpha 1-antitrypsin Deficiency (AATD), run by Grifols Therapeutics LLC at 5 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 11 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 20 May 2013. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 5 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 20 May 2013). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Subjects With Treatment-Emergent Adverse Events (TEAEs) (time frame: 22 weeks). The study lists 9 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01213043, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 20 May 2013.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in