A Phase 2 Randomized Double-blind Placebo-controlled Dose-finding Study to Evaluate the Efficacy and Safety of ALXN2050 in Adult Participants with Proliferative Lupus Nephritis (LN) or Immunoglobulin A Nephropathy (IgAN)
Are you eligible to participate in this study?
You may be eligible for this study if you meet the following criteria:
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Conditions: Lupus NephritisImmunoglobulin A Nephropathy
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Age: Between 18 Year(s) - 75 Year(s)
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Gender: Male or Female
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Other Inclusion Criteria:
- Inclusion Criteria for All
- Participant must be =18 and =75 years of age at the time of signing the informed consent.
- Male or female participant.
- Female participants of childbearing potential and male participants must follow protocol-specified contraception guidance.
- Vaccinated against meningococcal infection within 3 years.
- Inclusion Criteria for Lupus Nephritis Patients (LN Cohort)
- Clinical diagnosis of systemic lupus erythematosus.
- Diagnosis of Lupus nephritis Class III or IV; confirmed by biopsy obtained within 6 months. Participants may co-exhibit Class V disease. Participants with de novo or relapsing disease may be eligible.
- Clinically active Lupus Nephritis requiring/receiving immunosuppression induction treatment.
- Inclusion Criteria for Immunoglobulin A Nephropathy Patients (IgAN Cohort)
- Established diagnosis of primary IgAN based on kidney biopsy obtained any time prior to or during the study screening period.
- Compliance with stable and optimal dose of RAS inhibitor treatment including maximum allowed or tolerated ACE inhibitor and/or ARB dose for ≥ 3 months prior to Screening with no expected change in dose during the study (participants with established intolerance to RAS inhibitors may be included).
- Controlled and stable blood pressure (defined as < 140/90 mmHg) over the past 3 months prior to randomization.
You may not be eligible for this study if the following are true:
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- Exclusion Criteria for All
- Estimated GFR < 30 mL/min/1.73 m2 during Screening (measure of kidney function).
- Significant renal disease other than LN or IgAN.
- History of solid organ (kidney, heart, lung, small bowel, pancreas, or liver) or bone marrow transplant, or planned transplant.
- Splenectomy or functional asplenia.
- History of seizure.
- Hemoglobin A1c >7.0 mg/dl.
- Known or suspected history of drug or alcohol abuse or dependence within 1 year prior to the start of the Screening Period.
- History of cancerous malignancy within 5 years prior to Screening with the exception of nonmelanoma skin cancer or carcinoma in situ of the cervix that has been treated with no evidence of recurrence.
- Evidence of hepatitis B or hepatitis C viral infection.
- Evidence of human immunodeficiency virus (HIV antibody positive) infection.
- Bone marrow insufficiency.
- Any previous or current treatment with complement inhibitors (eg, eculizumab, ravulizumab).
- Use of selected medications known to lower the seizure threshold and/or cause seizure.
- Participation in another investigational drug or investigational device study running at the same time.
- Pregnant, breastfeeding, or intending to conceive during the course of the study.
- Exclusion Criteria for LN Cohort
- Prednisone or prednisone equivalent = 0.5 mg/kg/day for = 4 consecutive weeks prior to Screening.
- Uncontrolled hypertension (systolic blood pressure > 160 mmHg or diastolic blood pressure > 110 mmHg) on 2 or more measurements during the Screening Period.
- Prior history or clinically active SLE-related cerebritis, seizures, pericarditis, stroke, or stroke syndrome requiring treatment.
- Exclusion Criteria for IgAN Cohort
- Prednisone or prednisone equivalent > 20 mg/day for > 14 consecutive days or any other immunosuppression within 6 months prior to Screening.
- Blood pressure of = 140/90 mmHg during the Screening Period confirmed on 2 measures > 30 minutes apart.
- Body mass index = 38 kg/m2 during Screening.
If you are registered as a volunteer, please log in to contact the study team/express interest in this study.