Status:

RECRUITING

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

Lead Sponsor:

AbCellera Biologics Inc.

Conditions:

Healthy Volunteers

Eligibility:

All Genders

18-65 years

Phase:

PHASE1

Brief Summary

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

Detailed Description

This is a phase I randomized, double-blind, placebo-controlled, single ascending dose (SAD) study. The study will consist of 5 planned cohorts (A1 to A5), each comprised of 8 healthy participants. Dos...

Eligibility Criteria

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 the time of signing the ICF through the 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, that in the opinion of an investigator would put into question the participant's healthy status.
  • Use of any over-the-counter products in the 7 days or 5 half-lives (whichever is longer) 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.
  • History of herpes zoster (shingles) or RZV (eg, Shingrix) vaccination within 28 days prior to screening or scheduled during the study period

Key Trial Info

Start Date :

July 25 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

April 1 2027

Estimated Enrollment :

40 Patients enrolled

Trial Details

Trial ID

NCT07108894

Start Date

July 25 2025

End Date

April 1 2027

Last Update

March 23 2026

Active Locations (1)

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Page 1 of 1 (1 locations)

1

Altasciences Company Inc.

Mount Royal, Quebec, Canada, H3P 3P1