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ZZ Type Alpha-1 Antitrypsin Deficiency Liver DiseasePhase 1/2NCT03767829

A Study of ALN-AAT02 in Healthy Participants and Participants With ZZ Type Alpha-1 Antitrypsin Deficiency Liver Disease

A Phase 1/2 study testing ALN-AAT02 in people with ZZ Type Alpha-1 Antitrypsin Deficiency Liver Disease, run by Alnylam Pharmaceuticals at 1 site in United Kingdom.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

The purpose of this study is to evaluate the safety and tolerability of single or multiple doses of ALN-AAT02. The study will be conducted in 2 sequential phases in which Part A will be a single-ascending dose (SAD) phase in healthy participants, and Part B will be a multiple-ascending dose (MAD) phase in participants… Read more about this study

Who is it for?
Ages 18 to 65 yearsHealthy volunteers can take part
What is being tested?
ALN-AAT02
Type of treatment
Injection or infusion
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
32 participants
Where
1 siteUnited Kingdom
Study dates
5 Dec 2018to 25 Jun 2020
Phase
Phase 1/2
Are there results?
None posted in the registry

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 65 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Male or female, aged 18 to 65 years, inclusive;
  • Has normal 12-lead electrocardiogram (ECG);
  • Has body mass index (BMI) between 18 and 30 kg/m^2, inclusive;
  • Has been a nonsmoker for at least 5 years before screening;
  • Part A only: Has Alpha-1 antitrypsin (AAT) levels within normal limits;
  • Part A only: Has adequate Forced Expiratory Volume in 1 second (FEV1) and adequate FEV1/forced vital capacity ratio;
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  • Part B only: Has documented ZZ type AAT by genotype;
  • Part B only: Has liver biopsy within 90 days of the first dose of study drug demonstrating ZZ type alpha-1 antitrypsin deficiency (PiZZ AATD) liver disease;
  • Part B only: Has adequate post-bronchodilator FEV1 and adequate diffusing capacity of the lung for carbon monoxide;
  • Part B only: If on any maintenance medication, is likely to be able to remain on a stable medication regimen for the duration of the study (no new medications within 30 days prior to first dose of study drug).

Who cannot join

  • Has known human immunodeficiency virus (HIV), hepatitis C virus (HCV) or hepatitis B virus (HBV) infection;
  • Has clinically significant abnormal laboratory results;
  • Received an experimental drug within 30 days of dosing;
  • Has a history of multiple drug allergies or history of allergic reaction to an oligonucleotide or N-acetylgalactosamine (GalNAc);
  • Part A only: Has estimated glomerular filtration equal to or below 60 mL/min/1.73 m^2 at screening;
  • Part A only: Has a history of asthma or recurrent or chronic lung disease, excluding resolved childhood asthma;
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  • Part A only: Has a history of chronic liver disease;
  • Part B only: Has estimated glomerular filtration equal to or below 45 mL/min/1.73 m^2 at screening;
  • Part B only: Received an augmentation therapy for AAT deficiency within 8 weeks of first dose of study drug;
  • Part B only: Has a history of chronic liver disease from any known cause other than ZZ type AAT deficiency;
  • Part B only: Has a history of hepatic encephalopathy;
  • Part B only: Has a history of gastrointestinal bleeding or ascites.

Trial locations and contacts

1 site in 1 country.

United Kingdom1 site
  • Clinical Trial Site

    London

Other trials in United Kingdom

About this study

Official title: A Phase 1/2, Randomized, Double-blind, Placebo-controlled, Single-ascending and Multiple-dose, Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics Study of Subcutaneously Administered ALN-AAT02 in Healthy Adult Subjects and Patients With ZZ Type Alpha-1 Antitrypsin Deficiency Liver Disease

The purpose of this study is to evaluate the safety and tolerability of single or multiple doses of ALN-AAT02. The study will be conducted in 2 sequential phases in which Part A will be a single-ascending dose (SAD) phase in healthy participants, and Part B will be a multiple-ascending dose (MAD) phase in participants with ZZ type alpha-1 antitrypsin deficiency (PiZZ) and biopsy-proven alpha-1 antitrypsin (AAT) deficiency-associated liver disease.

Being tested
ALN-AAT02, Placebo

What participants receive

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

  • ALN-AAT02Drug

    ALN-AAT02 will be administered subcutaneously (SC) at dose levels planned for Part A.

  • PlaceboDrug

    Sterile normal saline (0.9% NaCl) matching volume of ALN-AAT02 doses will be administered SC.

  • ALN-AAT02Drug

    ALN-AAT02 will be administered subcutaneously (SC). Part B dose levels to be determined upon review of data from Part A.

Study groups in NCT03767829
Study groupRoleWhat they receive
Part A: SAD: ALN-AAT02ExperimentalParticipants will be administered a single dose of ALN-AAT02.
Receives: Drug: ALN-AAT02
Part A: SAD: PlaceboPlacebo comparatorParticipants will be administered a single dose of matching placebo.
Receives: Drug: Placebo
Part B: MAD: ALN-AAT02ExperimentalParticipants will be administered multiple doses of ALN-AAT02.
Receives: Drug: ALN-AAT02
Part B: MAD: PlaceboPlacebo comparatorParticipants will be administered multiple doses of matching placebo.
Receives: Drug: Placebo

What is being measured

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

  1. Percentage of Participants with Treatment Emergent Adverse Events (TEAEs)

    Measured: Part A: up to approximately 12 months; Part B: up to approximately 18 months

Secondary outcomes (7)
  1. Change From Baseline in Serum Levels of Alpha-1 Antitrypsin (AAT)

    Measured: Part A: baseline up to Day 85 and every 84 days up to approximately 12 months; Part B: baseline up to Day 169 and every 84 days up to approximately 18 months

  2. Maximum Observed Plasma Concentration (Cmax) for ALN-AAT02

    Measured: Part A: Days 1, 2, 3, 8 and 15; Part B: Days 1, 2, 3, 29, 85, 86 and 87

  3. Time to Reach Cmax (tmax) for ALN-AAT02

    Measured: Part A: Days 1, 2, 3, 8 and 15; Part B: Days 1, 2, 3, 29, 85, 86 and 87

  4. Area Under the Plasma Concentration-Time Curve From Time 0 to the Time of the Last Quantifiable Concentration (AUClast) for ALN-AAT02

    Measured: Part A: Days 1, 2, 3, 8 and 15; Part B: Days 1, 2, 3, 29, 85, 86 and 87

  5. Apparent Terminal Elimination Half-life (t1/2) for ALN-AAT02

    Measured: Part A: Days 1, 2, 3, 8 and 15; Part B: Days 1, 2, 3, 29, 85, 86 and 87

  6. Fraction Eliminated in Urine (fe) of ALN-AAT02

    Measured: Part A: Day 1; Part B: Days 1 and 85

  7. Amount of Full Length Drug Excreted in Urine (Ae) of ALN-AAT02

    Measured: Part A: Day 1; Part B: Days 1 and 85

Timeline

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

  1. First posted7 Dec 2018
  2. Study start5 Dec 2018
  3. Primary completion25 Jun 2020
  4. Study completion25 Jun 2020

Why it stopped: The sponsor decided not to proceed with Part B for business reasons.

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 1/2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
32 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03767829
Sponsor's protocol ID
ALN-AAT02-001
Other IDs
2018-001362-41, 2018
Status last verified
Apr 2021
First submitted
5 Dec 2018
Last updated
27 Apr 2021
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing ALN-AAT02 in people with ZZ Type Alpha-1 Antitrypsin Deficiency Liver Disease, run by Alnylam Pharmaceuticals at 1 site in United Kingdom.

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 10 inclusion and 12 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: stopped early, as of the sponsor's last update on 27 Apr 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United Kingdom. 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. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this combined phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

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?

The study was stopped early (reason given: The sponsor decided not to proceed with Part B for business reasons.). Results are not available in the source record.

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?

Percentage of Participants with Treatment Emergent Adverse Events (TEAEs) (time frame: Part A: up to approximately 12 months; Part B: up to approximately 18 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 27 Apr 2021.

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