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PK Study of Gefurulimab SC in Healthy Chinese Adult Participants

Phase 1
Completed
Conditions
Healthy
Interventions
Registration Number
NCT06677138
Lead Sponsor
Alexion Pharmaceuticals, Inc.
Brief Summary

The primary objective of this study is to characterize the PK properties of a single dose of gefurulimab in healthy Chinese participants.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
8
Inclusion Criteria
  • Participants must be 18 to 45 years of age, inclusive, at the time of signing the informed consent.
  • Body weight within ≥ 45 kg to < 110 kg and BMI within the range 18 to 30 kg/m2 (inclusive) at Screening and Admission (Day -1).
  • 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.
  • QTcF ≤ 450 msec for male participants and ≤ 460 msec for female participants at Screening and prior to dosing on Day 1.
  • Documented vaccination against N meningitidis serotypes A, C, W-135, Y at least 28 days and not more than 3 years prior to dosing on Day 1.
Exclusion Criteria
  • History of any Neisseria meningitidis infection.
  • History or presence of cardiovascular, respiratory, hepatic, renal, gastrointestinal, endocrinological, hematological, or neurological disorders.
  • Abnormal blood pressure as determined by the Investigator.
  • History of latent or active TB (Tuberculosis) or exposure to endemic areas.
  • Active systemic bacterial, viral, or fungal infection within 14 days prior to dosing.
  • History of latent or active TB or exposure to endemic areas within 8 weeks prior to the Screening Visit confirmed by QuantiFERON®-TB test.
  • Significant allergies to humanized biologics.
  • Clinically significant multiple or severe drug allergies, intolerance to topical corticosteroids, or severe post-treatment hypersensitivity reactions.
  • History of clinically significant allergic reaction (eg, anaphylaxis or angioedema) to any product (eg, food, pharmaceutical).
  • History of allergy or intolerance to penicillin or cephalosporin.
  • 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.
  • Current or chronic history of liver disease.
  • Evidence of human immunodeficiency virus (HIV) infection (positive HIV type 1 or type 2 antibody).
  • 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).
  • Female participants who have a positive pregnancy test at Screening or Admission.
  • Positive prestudy drug/alcohol screen; positive result may be repeated once.

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
gefurulimabgefurulimabParticipants will receive a single SC dose of gefurulimab in the abdomen on Day 1.
Primary Outcome Measures
NameTimeMethod
Maximum Observed Serum Concentration (Cmax) of GefurulimabDay 1 predose through Day 92 postdose
Area Under the Plasma Concentration Versus Time Curve From Time 0 Extrapolated to Infinity (AUC0-inf) of GefurulimabDay 1 predose through Day 92 postdose
Secondary Outcome Measures
NameTimeMethod
Serum Free Complement Component 5 (C5) ConcentrationDay 1 predose through Day 92 postdose
Number of Participants With Treatment-emergent Adverse Events (TEAEs) and Treatment-emergent Serious Adverse Events (TESAEs)Day 1 through Day 92
Number of Participants With Anti-drug Antibodies (ADAs)Day 1 through Day 92
Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs) Associated With Prefilled Syringe With Needle Safety Device (PFS-SD)Day 1 through Day 92
Number of Participants With Successful and Failed Dose AdministrationsDay 1 through Day 92

Trial Locations

Locations (1)

Research Site

🇨🇳

Shanghai, China

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