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Alpha 1-Antitrypsin DeficiencyPhase 1NCT04174118

Study of DCR-A1AT in Healthy Adult Volunteers

A Phase 1 study testing belcesiran in people with Alpha 1-Antitrypsin Deficiency, run by Dicerna Pharmaceuticals, Inc., a Novo Nordisk company at 2 sites in 2 countries.

Completed

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

Official record
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Trial summary

This is a research study to test an experimental study drug (belcesiran, also known as DCR-A1AT). This drug is being tested to see if it helps people with a rare condition known as Alpha-1 Antitrypsin Deficiency, or A1ATD. Prior to initiation of this study belcesiran had not yet been tested in humans. Read more about this study

Who is it for?
Ages 18 to 55 yearsHealthy volunteers can take part
Conditions the study is for
Alpha 1-Antitrypsin Deficiency
What is being tested?
belcesiran
Type of treatment
Injection or infusion
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
30 participants
Where
2 sitesin 2 countries
Study dates
24 Oct 2019to 6 Mar 2023
Phase
Phase 1
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 55 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Male or Female aged 18 to 55 years, inclusive. Female participants must be either surgically sterile or postmenopausal. No women of childbearing potential are eligible for enrollment.
  • Overtly Healthy, as determined by the investigator.
  • Serum A1AT protein concentration >100 mg/dL
  • Adequate forced expiratory volume in one second (FEV1) and adequate FEV1/forced vital capacity (FVC) ratio
  • Non-smokers with a <2 pack-year history and smoking cessation for at least 6 months with a negative urinary cotinine test a screening

Who cannot join

  • Presence of any condition or comorbidities that would interfere with study compliance or data interpretation or potentially affect participant safety
  • Clinically significant abnormal laboratory tests
  • Received an experimental drug within past 4 months
  • Prior to use of RNAi drug or oligonucleotide-based therapy
  • Known human immunodeficiency virus (HIV), hepatitis C virus (HCV), or Hepatitis B (HBV)
  • Serum creatinine or estimated glomerular filtration rate (eGFR) outside normal reference ranges.

Trial locations and contacts

2 sites in 2 countries.

2 sites in 2 countries

New Zealand1 site
  • Auckland Clinical Studies

    Grafton, Auckland, 1010

Other trials in New Zealand

Sweden1 site
  • Clinical Trial Consultants AB

    Uppsala

Other trials in Sweden

About this study

Official title: A Phase 1 Single Ascending Dose, Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics Study of Subcutaneously Administered Belcesiran in Healthy Adult Volunteers

This is a research study to test an experimental study drug (belcesiran, also known as DCR-A1AT). This drug is being tested to see if it helps people with a rare condition known as Alpha-1 Antitrypsin Deficiency, or A1ATD. Prior to initiation of this study belcesiran had not yet been tested in humans. All study participants will be randomly assigned to either receive the study drug or a placebo. This will allow for the sponsor to compare the effects of the study drug with that of the placebo. A placebo looks like the study drug but does not contain any of the study drug.

The main purpose of the first part of the study is to evaluate the safety profile of the study drug in people who do not have A1ATD. This part of the study will also help find the dose of the study drug that has an acceptable safety profile for testing.

Read the detailed description

A1ATD- associated liver disease is a progressive Alpha-1 Antitrypsin-Deficiency Associated Liver Disease condition resulting in liver fibrosis, cirrhosis, and hepatocellular carcinoma. The lack of functional A1AT in individuals with PiZZ genotype, in conjunction with other precipitating factors, can lead to unchecked activity in neutrophil elastases in the alveoli; causing emphysema and chronic obstructive pulmonary disease (COPD). This loss-of-function mechanism can be addressed with intravenous augmentation therapy, which aims to substitute the missing A1AT by infusing alpha1 proteinase inhibitor (A1PI), purified from pooled human plasma.

While augmentation therapy can address the loss of A1AT in the lungs, no treatment exists for the associated liver disease.

Given the severity of the disease, with approximately 10% of affected patients developing liver cirrhosis and a subgroup of those patients in need of liver transplantation, and lack of an effective treatment that addresses the toxic hepatic "gain-of-function" mechanism, there is an urgent unmet medical need to develop a therapy that can help in this particular patient population.

Being tested
belcesiran, Placebo
Medical subject headings
alpha 1-Antitrypsin Deficiency

What participants receive

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

  • belcesiranDrug

    belcesiran will be administered subcutaneously (SC) at dose levels planned.

  • PlaceboDrug

    Sterile normal saline (0.9% NaCL) matching volume of belcesiran doses will be administered subcutaneously (SC).

Study groups in NCT04174118
Study groupRoleWhat they receive
belcesiranExperimentalHealthy volunteers will be administered a single dose of belcesiran.
Receives: Drug: belcesiran
PlaceboPlacebo comparatorHealthy volunteers will be administered a single dose of matching placebo.
Receives: Drug: Placebo

What is being measured

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

  1. Safety and tolerability

    The incidence of adverse events (AE), serious adverse events (SAE), DLT, and AE leading to study drug discontinuation

    Measured: approximately up to 2 months

  2. Evaluating safety and tolerability through physical exams

    The incidence of clinically significant physical examination (PE) findings

    Measured: approximately up to 2 months

  3. Changes in 12-lead electrocardiograms (ECG)

    Absolute QTc > 500 msec and/or QTc change of > 60 msec from baseline will be evaluated

    Measured: approximately up to 2 months

Secondary outcomes (11)
  1. Urine pharmacokinetics (PK) of belcesiran

    Maximum observed concentration (Cmax)

    Measured: up to Day 3

  2. Plasma pharmacokinetics (PK) of belcesiran

    Maximum observed concentration (Cmax)

    Measured: up to 57 days

  3. Plasma pharmacokinetics (PK) of belcesiran

    Area under the curve (AUC)

    Measured: up to 57 days

  4. Urine pharmacokinetics (PK) of belcesiran

    Area under the curve (AUC)

    Measured: up to Day 3

  5. Urine pharmacokinetics (PK) of belcesiran

    Minimum observed concentration (Cmin)

    Measured: up to Day 3

  6. Plasma pharmacokinetics (PK) of belcesiran

    Minimum observed concentration (Cmin)

    Measured: up to 57 days

  7. Plasma pharmacokinetics (PK) of belcesiran

    Time to maximum concentration (Tmax)

    Measured: up to 57 days

  8. Urine pharmacokinetics (PK) of belcesiran

    Time to maximum concentration (Tmax)

    Measured: up to Day 3

  9. Urine pharmacokinetics (PK) of belcesiran

    Terminal elimination half-life (t1/2)

    Measured: up to Day 3

  10. Plama pharmacokinetics (PK) of belcesiran

    Terminal elimination half-life (t1/2)

    Measured: up to 57 days

  11. Change in protein concentration

    Changes in A1AT protein concentrations

    Measured: up to day 57

Timeline

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

  1. First posted22 Nov 2019
  2. Study start24 Oct 2019
  3. Primary completion6 Jul 2021
  4. Study completion6 Mar 2023

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
Primary purpose
Other
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Investigator, Outcomes assessor
Enrolment
30 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04174118
Sponsor's protocol ID
DCR-A1AT-101
Status last verified
Sep 2024
First submitted
6 Nov 2019
Last updated
6 Nov 2024
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • Remih K, Amzou S, Strnad P. Alpha1-antitrypsin deficiency: New therapies on the horizon. Curr Opin Pharmacol. 2021 Aug;59:149-156. doi: 10.1016/j.coph.2021.06.001. Epub 2021 Jul 10.

    PubMed 34256305

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing belcesiran in people with Alpha 1-Antitrypsin Deficiency, run by Dicerna Pharmaceuticals, Inc., a Novo Nordisk company at 2 sites in 2 countries.

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 5 inclusion and 6 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 6 Nov 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in New Zealand, Sweden. 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 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.

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 is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

Safety and tolerability (time frame: approximately up to 2 months). The study lists 3 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 NCT04174118, 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 6 Nov 2024.

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