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HealthyPhase 1NCT04952545

Study of ALXN2050 in Healthy Adult Participants of Japanese Descent

A Phase 1 study testing ALXN2050 in people with Healthy, run by Alexion Pharmaceuticals, Inc. at 1 site in United States.

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 Phase 1 bridging study being conducted to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamics of ALXN2050 after both single- and multiple-dosing in healthy participants of Japanese descent. Read more about this study

Who is it for?
Ages 18 to 55 yearsHealthy volunteers can take part
Conditions the study is for
Healthy
What is being tested?
ALXN2050
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
20 participants
Where
1 siteUnited States
Study dates
9 Jul 2021to 7 Sep 2021
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

  • Medically healthy with no clinically significant or relevant abnormalities as determined by medical history, physical or neurological examination, vital signs, 12-lead electrocardiogram, screening clinical laboratory profiles.
  • Participants must be of Japanese descent defined as:
  • First generation (born to 2 Japanese parents and 4 Japanese grandparents);
  • Born in Japan, and not have lived outside Japan for greater than 5 years;
  • Lifestyle, including diet, must not have significantly changed since leaving Japan.
  • Participants must be able to speak, read, and understand the Japanese and English languages.
  • Body mass index within the range 18.5 to 30.0 kilograms (kg)/meter squared, inclusive, with a minimum body weight of 50.0 kg at Screening.

Who cannot join

  • History of any medical or psychiatric condition or disease that, in the opinion of the Investigator or designee, might limit the participant's ability to complete or participate in this clinical study, confound the results of the study, or pose an additional risk to the participant by their participation in the study.
  • History of significant multiple and/or severe allergies.
  • Any previous procedure that could alter absorption or excretion of orally administered drugs.
  • Participation in another investigational drug or investigational device study within 5 half-lives (if known) or 30 days prior to the first dose of study intervention, whichever is longer.
  • Body temperature ≥ 38.0°Celcius, at Screening or prior to the first dose of study intervention.
  • History of drug or alcohol abuse within 2 years prior to the first dose of study intervention or positive drugs-of-abuse or alcohol screen at Screening or Day -1; current tobacco/nicotine users or smokers or a positive cotinine test at Screening.
  • Donation of whole blood from 3 months prior to the first dose of study intervention, or of plasma from 30 days prior to the first dose of study intervention; receipt of blood products within 6 months prior to the first dose of study intervention.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Clinical Trial Site

    Tempe, Arizona, 85283

Other trials in United States

About this study

Official title: A Phase 1 Study to Determine the Safety, Tolerability, and Pharmacokinetics of ALXN2050 in Healthy Participants of Japanese Descent

This is a Phase 1 bridging study being conducted to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamics of ALXN2050 after both single- and multiple-dosing in healthy participants of Japanese descent.

Conditions
Healthy
Being tested
ALXN2050, Placebo
Keywords
ALXN2050, Pharmacokinetics, Pharmacodynamics, Japanese Descent

What participants receive

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

  • ALXN2050Drug

    Also called ACH-0145228 (formerly)

    Oral tablet.

  • PlaceboDrug

    Oral tablet.

Study groups in NCT04952545
Study groupRoleWhat they receive
Cohort 1: ALXN2050 (Dose 1)ExperimentalParticipants will receive ALXN2050 (Dose 1) as follows under fasting conditions: 120-milligrams (mg) single dose, 3-day washout, then 120-mg twice daily (BID) dosing.
Receives: Drug: ALXN2050
Cohort 1: Placebo (Dose 1)ExperimentalParticipants will receive placebo (Dose 1) as follows under fasting conditions: 120-mg placebo single dose, 3-day washout, then 120-mg placebo BID dosing.
Receives: Drug: Placebo
Cohort 2: ALXN2050 (Dose 2)ExperimentalParticipants will receive ALXN2050 (Dose 2) as follows under fasting conditions: 180-mg single dose, 3-day washout, then 180-mg BID dosing.
Receives: Drug: ALXN2050
Cohort 2: Placebo (Dose 2)ExperimentalParticipants will receive placebo (Dose 2) as follows under fasting conditions: 180-mg placebo single dose, 3-day washout, then 180-mg placebo BID dosing.
Receives: Drug: Placebo

What is being measured

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

  1. Number Of Participants With Treatment-emergent Adverse Events

    see Time Frame - defined

    Measured: Day 1 (after first dose) through follow-up (7 +/- 2 days after final dose)

  2. Area Under The Concentration-time Curve From Time Zero To Infinity (AUCinf) For Single-dose ALXN2050

    see Time Frame - defined

    Measured: Up to 72 hours postdose

  3. Maximum Plasma Concentration (Cmax) For Single-dose ALXN2050

    see Time Frame - defined

    Measured: Up to 72 hours postdose

  4. Time To Maximum Plasma Concentration (Tmax) For Single-dose ALXN2050

    see Time Frame - defined

    Measured: Up to 72 hours postdose

  5. Area Under The Concentration-time Curve From Time Zero To The 12-hour Time Point (AUC0-12) For Multiple-dose ALXN2050

    see Time Frame - defined

    Measured: Up to 72 hours postdose

  6. Cmax For Multiple-dose ALXN2050

    see Time Frame - defined

    Measured: Up to 72 hours postdose

  7. Tmax For Multiple-dose ALXN2050

    see Time Frame - defined

    Measured: Up to 72 hours postdose

Secondary outcomes (2)
  1. Alternative Pathway Activity As Measured By Wieslab Assay

    see Time Frame - defined

    Measured: Up to 72 hours postdose

  2. Complement Factor B Fraction b Levels

    see Time Frame - defined

    Measured: Up to 72 hours postdose

Timeline

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

  1. First posted7 Jul 2021
  2. Study start9 Jul 2021
  3. Primary completion7 Sep 2021
  4. Study completion7 Sep 2021

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
Basic science
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
20 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04952545
Sponsor's protocol ID
ALXN2050-HV-113
Status last verified
Dec 2022
First submitted
28 Jun 2021
Last updated
9 Dec 2022
Results posted
No
Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing ALXN2050 in people with Healthy, run by Alexion Pharmaceuticals, Inc. at 1 site 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 7 inclusion and 7 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 9 Dec 2022. 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 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 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?

Number Of Participants With Treatment-emergent Adverse Events (time frame: Day 1 (after first dose) through follow-up (7 +/- 2 days after final dose)). The study lists 7 primary outcomes in all. 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 9 Dec 2022.

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