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CompletedNCT05780515Updated Aug 22, 2024

A Study of ANX009 in Adult Participants With Lupus Nephritis

A Phase 1 interventional study of ANX009 in Lupus Nephritis, sponsored by Annexon, Inc.. Completed at 7 sites in 2 countries. Open to participants aged 18 Years to 75 Years. Per ClinicalTrials.gov, last updated 2024-08-22.

Sponsored by Annexon, Inc. · Phase 1, Interventional, and Treatment

From the registry’s dates

  • Registered 7 months after the study started (first participant enrolled Aug 2022, registered Mar 2023).
Phase
Phase 1
Study type
Interventional
Enrollment
7
Allocation
Not applicable
Ages
18 Years to 75 Years
Sex
All
01

Study summary

The main purpose of this study is to determine the safety and tolerability of repeat doses of ANX009 in participants with lupus nephritis (LN).

Read the detailed description

All participants may continue to receive stable background standard of care therapy for LN and systemic lupus erythematosus (SLE) as permitted by the protocol (for example, mycophenolate mofetil [MMF], azathioprine, antimalarials, glucocorticoids, cyclosporin, voclosporin, tacrolimus, angiotensin converting enzyme [ACE] inhibitors, angiotensin receptor blockers [ARBs]).

02

Conditions studied

  • Lupus Nephritis
03

In context

Nephritis

245 studies on the registry are indexed under Nephritis; 56 are open to participants now.

This study's enrollment of 7 is below the median of 49 across 156 interventional studies indexed under Nephritis.

Browse Nephritis studies →

Lead sponsor

Annexon, Inc. is the lead sponsor of 16 studies on the registry; 2 are open to participants now.

Of its 8 completed or terminated interventional studies of FDA-regulated products, 2 (25%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 75 Years
Sexes eligible
All
Accepts healthy volunteers
No

Eligibility criteria

Key Inclusion Criteria:

  • Participants who have a diagnosis of SLE according to European League Against Rheumatism/American College of Rheumatology (EULAR/ACR) 2019 Criteria
  • Has a history of International Society of Nephrology/Renal Pathology Society (ISN/RPS) Class III or IV with or without Class V glomerulonephritis on renal biopsy within 24 months prior to screening or as performed during screening.
  • Has proteinuria level between ≥0.5 to 3.0 grams (g)/g/day assessed via urine protein to creatine ratio (UPCR) during screening.
  • Has evidence of classical complement activation at screening
  • Has a history of receiving one or more standard therapies for LN

Key Exclusion Criteria:

  • Has a history of ISN/RPS Class VI or isolated Class V (without co-existent/predominant Class III or IV glomerulonephritis) glomerulonephritis on renal biopsy.
  • Has severe kidney disease defined as eGFR of \<30 milliliters (mL)/minute/1.73 square meter (m\^2) or end-stage renal disease (ESRD) requiring dialysis or kidney transplantation.
  • Has a concurrent systemic autoimmune disease that may confound study assessments other than SLE, LN, or cutaneous lupus erythematosus.

NOTE: Other inclusion and/or exclusion criteria may apply.

05

Study design

Phase
Phase 1
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
7 participants (actual)

Study arms

  • Experimental
    ANX009

    Participants will receive repeat doses of ANX009 administered by subcutaneous (SC) infusion 3 times weekly during the approximate 3-week intervention period.

    Biological: ANX009

Interventions

  • BiologicalANX009

    ANX009 will be administered per schedule specified in the arm description.

    Also known as: Recombinant humanized immunoglobulin G1 (IgG1) Fab

06

What researchers measure

Primary outcomes

  1. Number of Participants With Treatment-Emergent Adverse Events (TEAEs)

    Time frame: Baseline (Week 1) up to Week 15

Secondary outcomes

  1. Change From Baseline in Free Complement Component 1q (C1q) Concentrations in Serum Over Time

    Time frame: Baseline (Week 1), up to Day 31

  2. Change From Baseline in Complement Factor C4 Concentration and its Activation Product (Complement Component 4d [C4d]) in Plasma Over Time

    Time frame: Baseline (Week 1), up to End of Study (up to Week 15)

07

Study locations

7 sites
  • Annexon Investigational Site 203
    Angeles City, Philippines
  • Annexon Investigational Site 204
    Iloilo City, Philippines
  • Annexon Investigational Site 201
    Manila, Philippines
  • Annexon Investigational Site 202
    Quezon city, Philippines
  • Annexon Investigational Site 101
    Taichung City, Taiwan
  • Annexon Investigational Site 102
    Taipei, Taiwan
  • Annexon Investigational Site 103
    Taoyuan County, Taiwan
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 22, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT05780515
Lead sponsor
Annexon, Inc.
Responsible party
Sponsor
First posted
Mar 22, 2023
Start date
Aug 9, 2022
Primary completion
Aug 31, 2023
Completion
Oct 31, 2023
Last update
Aug 22, 2024

Study contacts

Annexon Director Global Clinical Operations
study director · Annexon, Inc.

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Aug 2024. You cannot join it, but the record below documents what was studied.

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