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Dose Study of ANX1502 in Healthy Volunteers

Phase 1
Completed
Conditions
Healthy
Interventions
Drug: ANX1502
Drug: Placebo
Registration Number
NCT05521269
Lead Sponsor
Annexon, Inc.
Brief Summary

This study will evaluate the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of ANX1502 (prodrug) and ANX1439 (active drug) in healthy participants.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
135
Inclusion Criteria
  • Must be healthy as determined by medical evaluation including medical history, physical examination, vital signs assessments (including supine blood pressure, supine pulse rate, respiration rate, and temporal body temperature), 12-lead electrocardiogram (ECG), and laboratory tests.
  • MAD cohorts only: Documented history of vaccinations within 5 years of Screening or willing to undergo vaccinations prior to Screening against encapsulated bacterial pathogens.

Key

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Exclusion Criteria
  • History or presence of clinically significant cardiovascular, respiratory, hepatic, renal, gastrointestinal, endocrinological, hematological, or neurological disorders capable of significantly altering the absorption, malabsorption syndrome, metabolism, or elimination of drugs; constituting a risk when taking the study drug; or interfering with the interpretation of data. Exceptions can be made for individuals with childhood or remote disorders that are no longer active.
  • History of any autoimmune disease
  • History of meningitis or septicemia
  • Clinically significant infection within 30 days prior to study drug administration that required medical intervention
  • Known genetic deficiencies of the complement cascade system or immunodeficiency.
  • Clinically significant illness within 4 weeks of the start of dose administration as determined by the Investigator.
  • Clinically significant multiple or severe drug allergies, or severe post-treatment hypersensitivity reactions .
  • History of prior other malignancy that could affect compliance with the protocol or interpretation of results
  • Has clinically significant laboratory abnormalities or abnormal ECG
  • History of splenectomy.
  • Antinuclear antibodies titer ≥1:160 at Screening.
  • Has donated blood or plasma within 30 days prior to Screening or had a loss of whole blood of more than 500 milliliter (mL) within the 30 days prior to Screening, or receipt of a blood transfusion within one year prior to Screening.
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Study & Design

Study Type
INTERVENTIONAL
Study Design
SEQUENTIAL
Arm && Interventions
GroupInterventionDescription
ANX1502 SADANX1502Participants will be administrated a single oral dose of ANX1502 at various ascending dose levels or matching placebo.
ANX1502 SADPlaceboParticipants will be administrated a single oral dose of ANX1502 at various ascending dose levels or matching placebo.
ANX1502 MADANX1502Participants will be administrated multiple oral doses of ANX1502 at various ascending dose levels or matching placebo for 14 days.
ANX1502 MADPlaceboParticipants will be administrated multiple oral doses of ANX1502 at various ascending dose levels or matching placebo for 14 days.
Primary Outcome Measures
NameTimeMethod
Number of Participants with Treatment Emergent Adverse Events (TEAEs) After A Single Dose and Multiple Doses of ANX1502Day 1 (after dosing) through Day 29
Secondary Outcome Measures
NameTimeMethod
Plasma ANX1502 and ANX1439 Concentrations After A Single Dose and Multiple Doses of ANX1502Predose up Day 29
Maximum Observed Plasma Concentration (Cmax) of ANX1502 and ANX1439 After A Single Dose and Multiple Doses of ANX1502Predose up Day 29
Observed Time to Cmax (Tmax) of ANX1502 and ANX1439 After A Single Dose and Multiple Doses of ANX1502Predose up to Day 29
Area Under the Concentration-time Curve (AUC) of ANX1502 and ANX1439 After A Single Dose and Multiple Doses of ANX1502Predose up Day 29
Terminal Half-life (t1/2) of ANX1502 and ANX1439 After A Single Dose and Multiple Doses of ANX1502Predose up to Day 29

Trial Locations

Locations (1)

Annexon Investigational Site 01

🇳🇱

Groningen, Netherlands

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