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A Study of Subcutaneous Gefurulimab Using Prefilled Syringe Versus Autoinjector in Healthy Adult Participants

Recruiting
18 - 65 years of age
Both
Phase 1

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Overview

This study will evaluate the pharmacokinetics (PK), pharmacodynamics (PD), safety, immunogenicity, and device performance of gefurulimab.

Description

This is an open-label, randomized, parallel-group study.

The study consists of 2 periods: a Screening Period (up to 70 days), and an Evaluation Period of 92 days.

Separate randomization lists will be produced for each weight stratum (50 to < 70 kg, 70 to < 90 kg, and 90 to < 110 kg) and within each of the three weight strata, participants will be randomized 1:1:1:1:1:1 to one of the six combinations of device (prefilled syringe with needle safety device [PFS-SD] or autoinjector [AI]) and injection site (abdomen, thigh, or upper arm),

Participants will receive a single dose of 600 mg gefurulimab on Day 1, will be residential at the clinical unit until Day 5, will have visits on Day 8, quaque week (once a week) [qw] thereafter until Day 50, and quaque 2 week (once every two weeks) [q2w] from Day 50 until Day 92 during the Evaluation Period.

The total study duration is up to 162 days.

Eligibility

Inclusion Criteria:

  1. Participants must be 18 to 65 years of age inclusive, at the time of signing the informed consent.
  2. Body weight within ≥ 50 to < 110 kg and body mass index (BMI) within the range 18.5 to 30 kg/m2 (inclusive)
  3. Participants who are healthy as determined by medical evaluation with no clinically significant or relevant abnormalities as determined by medical history, physical examination, vital signs, 12-lead ECG, and clinical laboratory evaluation.
  4. QT interval corrected using Fridericia's formula (QTcF) ≤ 450 msec for male participants and ≤ 460 msec for female participants at Screening and prior to dosing on Day 1.
  5. Documented vaccination against meningococcal infection from serogroups A, C, W, and Y and serogroup B.
  6. Male and female participants should adhere to study-specific contraceptive methods.

Exclusion Criteria:

  1. History of any Neisseria meningitidis infection.
  2. History or presence of cardiovascular, respiratory, hepatic, renal, gastrointestinal, endocrinological, hematological, or neurological disorders.
  3. Abnormal blood pressure as determined by the Investigator.
  4. History of latent or active TB (Tuberculosis) or exposure to endemic areas.
  5. Allergy to monoclonal antibodies.
  6. Clinically significant multiple or severe drug allergies, intolerance to topical corticosteroids, or severe posttreatment hypersensitivity reactions.
  7. Lymphoma, leukemia, or any malignancy within the past 5 years except for basal cell or squamous epithelial carcinomas of the skin that have been resected with no evidence of metastatic disease for 3 years.
  8. Current or chronic history of liver disease.
  9. Known hepatic or biliary abnormalities.
  10. Active systemic bacterial, viral, or fungal infection within 14 days prior to dosing.
  11. History of allergy or intolerance to penicillin or cephalosporin.
  12. History of clinically significant allergic reaction (eg, anaphylaxis or angioedema) to any product.
  13. Live vaccine(s) within 1 month prior to Screening or plans to receive such vaccines during the study.
  14. Evidence of human immunodeficiency virus (HIV) infection (positive HIV type 1 or type 2 antibody).
  15. Evidence of hepatitis B infection (positive hepatitis B surface antigen [HBsAg] or positive total hepatitis B core antibody [HBcAb] with negative surface antibody [anti-HBs]), or hepatitis C viral infection (positive HCV RNA).
  16. Female participants who have a positive pregnancy test at Screening or Admission.
  17. Positive prestudy drug/alcohol screen; positive result may be repeated once.

Study details

Healthy Adult Participants

NCT06208488

Alexion Pharmaceuticals, Inc.

29 January 2024

Step 1 Get in touch with the nearest study center
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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.

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

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

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