Efficacy and Safety of Human Plasma-derived C1-esterase Inhibitor as add-on to Standard of Care for the Treatment of Refractory Antibody Mediated Rejection (AMR) in Adult Renal Transplant Recipients

Purpose

This is a double-blind, randomized-withdrawal, placebo-controlled study in kidney transplant patients with AMR to evaluate the efficacy and safety of human plasma-derived C1-esterase inhibitor as add-on to standard of care (IVIG).

Condition

  • Antibody-mediated Rejection

Eligibility

Eligible Ages
Over 18 Years
Eligible Genders
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Male or female at least 18 years of age; - Evidence of at least one donor-specific antibody (DSA); - Recipient of a kidney transplant; - Achieved a steady-state, post-transplant eGFR ≥ 40 mL/min/1.73 m2 within 60 days of post-transplant OR a 50% increase in urine output with a 50% decrease in serum creatinine over the first 7 days post-transplant in subjects with slow or delayed graft function; - Acute AMR.

Exclusion Criteria

  • Recipient of an en bloc kidney transplant; - Current active hepatitis C virus (HCV) infection; - Active bacterial or fungal infection; - Ongoing dialysis >2 weeks; - Known congenital bleeding or coagulopathy disorder; - Current cancer or a history of cancer; - Female subjects who are pregnant or breast feeding; - Male or female subjects who are unwilling to use contraception or who are not surgically sterile.

Study Design

Phase
Phase 3
Study Type
Interventional
Allocation
Randomized
Intervention Model
Sequential Assignment
Intervention Model Description
Randomized-withdrawal
Primary Purpose
Treatment
Masking
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
C1-INH
C1-esterase inhibitor
  • Drug: C1-esterase inhibitor
    C1-esterase inhibitor is a human plasma-derived lyophilised powder for reconstitution
    Other names:
    • C1-INH
Placebo Comparator
Placebo
Excipients of C1-INH plus albumin
  • Drug: Placebo
    Excipients of C1-INH plus albumin

More Details

Status
Terminated
Sponsor
CSL Behring

Study Contact