About this trial
This is a Phase Ib, open-label, dose-escalation study designed to evaluate the safety, efficacy, and immunogenicity of NM8074 administered intravenously to patients with C3 Glomerulopathy.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Patients ≥ 18 and ≤ 65 years at the time of consent
Diagnosis of C3 Glomerulopathy as confirmed by C3 nephropathy in biopsy within 12 months prior to enrollment
Reduced serum C3 levels (defined as less than 0.85 x lower limit of the central laboratory normal range) at Screening
Patients with confirmed proteinuria
Disqualifiers
Use of other investigational drugs at the time of enrollment
Patients with other renal diseases that would interfere with interpretation of the study
Estimated glomerular filtration rate of ≤ 20 mL/min/1.73m2 based on Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) at Screening
Has alanine aminotransferase (ALT) or aspartate aminotransferase (AST) > 5 times the upper limit of normal (xULN)
Trial design
Sequential
Treatments tested in this trial
NM8074
DrugNM8074 will be administered as an intravenous infusion. Multiple dosing duration will range from 5 to 9 weeks.
Treatment groups
Trial outcomes
Primary outcomes
Monitoring for incidence of Adverse Events (AEs)/Serious Adverse Events (SAEs)
Change from Baseline or Percent Change from Baseline in Urine Protein to Creatine Concentration Ratio (UPCR)
Change from Baseline or Percent Change from Baseline in Urine Albumin to Creatinine Concentration Ratio (UACR)
Ratio to Baseline of UPCR and UACR
Derived from 24h urine collection
Secondary outcomes
Percent Change from Baseline in Alternative Pathway (AP) of Complement Activity as Compared to Percent Change from Baseline in Classical Pathway (CP) of Complement Activity as Measured by Percent Change in Levels of Membrane Attack Complex (MAC)
Percent Change from Baseline in Alternative Pathway (AP) of Complement Activity as Compared to Percent Change from Baseline in Classical Pathway (CP) of Complement Activity as Measured by Percent Change in Levels of Complement Component C3b
Change from Baseline or Percent Change from Baseline in Serum C3 Levels
Change from Baseline or Percent Change from Baseline in Glomerular Inflammation
Measured by change from baseline or percent change from baseline in the C3G Histologic Index for Disease Activity - Combined C5b-9 Strata. Scores range from 0-21 where a decrease in score indicates improvement.
Other outcomes
Change from Baseline or Percent Change from Baseline in Levels of Complement Component C3b via Classical Pathway (CP) of Complement Activity.
Change from Baseline or Percent Change from Baseline in Levels of Membrane Attack Complex (MAC) via Classical Pathway (CP) of Complement Activity.
Locations
Sponsors and contacts
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