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A First-in-Human Phase 1 Single-Ascending Dose Study of ABCL575 in Healthy Participants

A First-in-Human Phase 1 Single-Ascending Dose Study of ABCL575 in Healthy Participants

Recruiting
18-65 years
All
Phase N/A

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Overview

This study aims to assess the safety and tolerability of ABCL575 in healthy participants following single ascending dose (SAD), in comparison to a placebo

Description

This is a phase I randomized, double-blind, placebo-controlled, single ascending dose (SAD) study. The study will consist of 4 planned cohorts (A1 to A4), each comprised of 8 healthy participants. Doses of ABCL575 are intended to escalate through cohorts A1 to A4.

Eligibility

Inclusion Criteria:

  • Healthy male or female ≥ 18 and ≤ 65 years of age at the time of screening
  • Good general health as determined through medical history and general physical examination
  • Body weight ≥ 50 and ≤ 100 Kg
  • Body mass index (BMI) between 18.5 kg/m2 and 30.0 kg/m2
  • Non- or ex-smoker (an ex-smoker defined as someone who has completely stopped using nicotine products for at least 180 days prior to study drug administration)
  • Meeting 1 of the following:
    1. Is of childbearing potential or able to procreate and agrees to use an acceptable contraceptive method from at least 28 days prior to the screening visit through EOS visit
    2. Is of nonchildbearing potential or unable to procreate
  • If male, agrees not to donate sperm from the study drug administration through EOS

    visit; If female, agrees not to donate or retrieve eggs from the study drug administration through EOS visit

Exclusion Criteria:

  • Pregnancy and/or lactation.
  • Seated pulse rate less than 50 beats per minute (bpm) or more than 100 bpm or a seated blood pressure < 90/50 mmHg or > 140/90 mmHg
  • eGFR < 60 mL/min/1.73 m2
  • Severe hypersensitivity reactions (like angioedema) to any drugs.
  • Presence or history of significant gastrointestinal, liver disease, kidney disease, or surgery that may affect drug bioavailability.
  • History of significant cardiovascular, pulmonary, hematologic, neurological, psychiatric, endocrine, immunologic, or dermatologic disease.
  • History or presence of multiple or severe drug allergies.
  • Evidence of any active bacterial, viral, or fungal infection
  • Disrupted skin integrity (apparent burn or dermatitis).
  • History of syncope, palpitations, or unexplained dizziness.
  • Use of prescription drugs (except for hormonal contraceptives or hormone replacement therapy) in the 28 days prior to study drug administration.
  • Use of any over-the-counter products in the 7 days prior to study drug administration.
  • Receipt of live vaccines within 5 weeks prior to screening or plans to receive live vaccines within 180 days after study drug administration.
  • History of latent or active tuberculosis.

Study details
    Healthy Volunteers

NCT07108894

AbCellera Biologics Inc.

15 October 2025

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FAQs

Learn more about clinical trials

What is a clinical trial?

A clinical trial is a study designed to test specific interventions or treatments' effectiveness and safety, paving the way for new, innovative healthcare solutions.

Why should I take part in a clinical trial?

Participating in a clinical trial provides early access to potentially effective treatments and directly contributes to the healthcare advancements that benefit us all.

How long does a clinical trial take place?

The duration of clinical trials varies. Some trials last weeks, some years, depending on the phase and intention of the trial.

Do I get compensated for taking part in clinical trials?

Compensation varies per trial. Some offer payment or reimbursement for time and travel, while others may not.

How safe are clinical trials?

Clinical trials follow strict ethical guidelines and protocols to safeguard participants' health. They are closely monitored and safety reviewed regularly.
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