Safety and Tolerability, Pharmacokinetic, and Pharmacodynamic Study of ALXN1910 in Healthy Participants

NCT ID: NCT05307978

Last Updated: 2025-02-27

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

48 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-04-12

Study Completion Date

2023-02-07

Brief Summary

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This is a Phase 1, randomized, double-blind, placebo-controlled study designed to evaluate the safety, tolerability, pharmacokinetics (PK), pharmacodynamics (PD), and immunogenicity of single ascending doses (SADs) of ALXN1910 subcutaneous (SC) and SAD of ALXN1910 intravenous (IV).

Detailed Description

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Conditions

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Healthy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

TRIPLE

Participants Caregivers Investigators

Study Groups

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Cohort 1

Participants will receive a single dose of 5 mg of ALXN1910 IV or Placebo IV.

Group Type EXPERIMENTAL

ALXN1910

Intervention Type DRUG

Participants will receive a single dose of ALXN1910 IV or ALXN1910 SC according to their assigned cohort.

Placebo

Intervention Type DRUG

Participants will receive Placebo IV or Placebo SC according to their assigned cohort.

Cohort 2

Participants will receive a single dose of 15 mg of ALXN1910 SC or Placebo SC.

Group Type EXPERIMENTAL

ALXN1910

Intervention Type DRUG

Participants will receive a single dose of ALXN1910 IV or ALXN1910 SC according to their assigned cohort.

Placebo

Intervention Type DRUG

Participants will receive Placebo IV or Placebo SC according to their assigned cohort.

Cohort 3

Participant will receive a single dose of 15 mg of ALXN1910 IV or Placebo IV.

Group Type EXPERIMENTAL

ALXN1910

Intervention Type DRUG

Participants will receive a single dose of ALXN1910 IV or ALXN1910 SC according to their assigned cohort.

Placebo

Intervention Type DRUG

Participants will receive Placebo IV or Placebo SC according to their assigned cohort.

Cohort 4

Japanese participants will receive a single dose of 15 mg of ALXN1910 SC or Placebo SC.

Group Type EXPERIMENTAL

ALXN1910

Intervention Type DRUG

Participants will receive a single dose of ALXN1910 IV or ALXN1910 SC according to their assigned cohort.

Placebo

Intervention Type DRUG

Participants will receive Placebo IV or Placebo SC according to their assigned cohort.

Cohort 5

Participants will receive a single dose of 45 mg of ALXN1910 SC or Placebo SC.

Group Type EXPERIMENTAL

ALXN1910

Intervention Type DRUG

Participants will receive a single dose of ALXN1910 IV or ALXN1910 SC according to their assigned cohort.

Placebo

Intervention Type DRUG

Participants will receive Placebo IV or Placebo SC according to their assigned cohort.

Cohort 6

Participants will receive a single dose of 135 mg of ALXN1910 SC or Placebo SC.

Group Type EXPERIMENTAL

ALXN1910

Intervention Type DRUG

Participants will receive a single dose of ALXN1910 IV or ALXN1910 SC according to their assigned cohort.

Placebo

Intervention Type DRUG

Participants will receive Placebo IV or Placebo SC according to their assigned cohort.

Interventions

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ALXN1910

Participants will receive a single dose of ALXN1910 IV or ALXN1910 SC according to their assigned cohort.

Intervention Type DRUG

Placebo

Participants will receive Placebo IV or Placebo SC according to their assigned cohort.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Healthy participants
* Participants of Japanese descent are defined as: First generation (born to 2 Japanese parents and 4 Japanese grandparents).
* Participants of Japanese descent must be between 20 and 55 years of age.

Exclusion Criteria

* Current or recurrent disease
* Current or relevant history of physical or psychiatric illness.
* Any other significant disease or disorder that, in the opinion of the Investigator, may put the participant at risk.
* History of significant allergic reaction (eg, anaphylaxis or angioedema) to any product (eg, food, pharmaceutical).
* Female participants who are pregnant or breastfeeding.
* Major surgery or hospitalization within 90 days prior to dosing on Day1.
* History of exposure to asfotase alfa.
* History of allergy or hypersensitivity to excipients of asfotase alfa or ALXN1910 (eg,sodium phosphate, sodium chloride).
Minimum Eligible Age

18 Years

Maximum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Alexion Pharmaceuticals, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Clinical Trial Site

Harrow, , United Kingdom

Site Status

Countries

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United Kingdom

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Other Identifiers

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ALXN1910-HV-101

Identifier Type: -

Identifier Source: org_study_id

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