Clinical trial Recruiting at 33 sites Phase 2 Interventional Ages 18 and up

ADX-038 treatment for adults with complement-mediated kidney disease.

Official title: A Phase 2 Study to Assess ADX-038 in Participants With Complement-Mediated Kidney Disease

Run by ADARx Pharmaceuticals, Inc. · NCT06989359 · Data updated 2026-11-12

This trial will test whether ADX-038 is safe and helps adults with complement-mediated kidney diseases such as IgA nephropathy, C3G, and IC-MPGN.

Quick facts

PhasePhase 2
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment45 (estimated)
SponsorADARx Pharmaceuticals, Inc.
Industry-sponsored
Locations38 sites (Doral, Florida and 37 other locations)
StatusRecruiting
StartedAugust 28, 2025
Main results expectedDecember 31, 2028
Study endsJune 2029
Registry record updatedOctober 20, 2026
Trial IDNCT06989359 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults with biopsy-confirmed IgA nephropathy, C3 glomerulopathy, or IC-MPGN who have active disease, an eGFR ≥30 mL/min/1.73 m2, and are on standard supportive care (ACE inhibitor/ARB when applicable) are the intended candidates.

Probably not a fit

Patients with hereditary or acquired complement deficiency, prior complement inhibitor treatment, a kidney transplant or dialysis dependence, active systemic infection, or significant liver test abnormalities are unlikely to benefit or are excluded from participation.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This Phase 2 interventional trial gives adults with biopsy-confirmed complement-mediated kidney diseases one of two dose levels of ADX-038 and follows them for safety, kidney outcomes, and drug exposure/effects (PK/PD). Eligible participants must have clinical evidence of active disease, an eGFR ≥30 mL/min/1.73 m2, and be on guideline supportive care including ACE inhibitor or ARB when appropriate, while several conditions (prior complement inhibitors, transplant, active infection, abnormal liver tests) exclude enrollment. The protocol compares two dose levels to characterize tolerability, biological target engagement, and preliminary signs of kidney benefit. Study visits take place at ADARx Clinical Sites in South Florida with required vaccinations and routine monitoring for infections and lab abnormalities.

Why it matters

Potential benefit: If successful, ADX-038 could reduce complement-driven kidney inflammation and slow loss of kidney function in affected patients.

How similar studies have gone: Other drugs that target the complement system have shown promising signals in related kidney diseases, but complement-targeting approaches are still being actively studied and are not yet definitive.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Mean eGFR greater than or equal to 30 mL/min/1.73m2
* Clinical evidence of active kidney disease
* Treated with supportive care including an ACE inhibitor or ARB if applicable
* Willing to receive required vaccinations
* Primary diagnosis of IgAN, C3G or IC-MPGN confirmed by a kidney biopsy

Exclusion Criteria:

* Hereditary or acquired complement deficiency
* Kidney transplant or renal replacement therapy
* History of solid organ transplant
* Other kidney disease
* History of recurrent invasive infections
* Received complement inhibitor treatments
* Active systemic viral, bacterial, or fungal infection
* Abnormal liver function

Where it's running

  • ADARx Clinical Site
    Miami, Florida, United States
    Recruiting
  • ADARx Clinical Site
    Iowa City, Iowa, United States
    Recruiting
  • ADARx Clinical Site
    Shelby, Michigan, United States
    Recruiting
  • ADARx Clinical Site
    Great Neck, New York, United States
    Recruiting
  • ADARx Clinical Site
    Columbus, Ohio, United States
    Recruiting
  • ADARx Clinical Site
    Dakota Dunes, South Dakota, United States
    Recruiting
Show 32 more locations
  • ADARx Clinical Site
    Houston, Texas, United States
    Recruiting
  • ADARx Clinical Site
    Liverpool, New South Wales, Australia
    Recruiting
  • ADARx Clinical Site
    Wollongong, New South Wales, Australia
    Recruiting
  • ADARx Clinical Site
    Sydney, Australia
    Recruiting
  • ADARx Clinical Site
    Woolloongabba, Australia
    Recruiting
  • ADARx Clinical Site
    Hong Kong, Hong Kong
    Recruiting
  • ADARx Clinical Site
    Shatin, Hong Kong
    Recruiting
  • ADARx Clinical Site
    Bergamo, Italy
    Recruiting
  • ADARx Clinical Site
    Bologna, Italy
    Recruiting
  • ADARx Clinical Site
    Pavia, Italy
    Recruiting
  • ADARx Clinical Site
    Wŏnju, Gangwon-do, South Korea
    Recruiting
  • ADARx Clinical Site
    Gyeonggi-do, Gurogu, South Korea
    Recruiting
  • ADARx Clinical Site
    Seoul, Gurogu, South Korea
    Recruiting
  • ADARx Clinical Site
    Cheonan, South Korea
    Recruiting
  • ADARx Clinical Site
    Daegu, South Korea
    Recruiting
  • ADARx Clinical Site
    Gyeonggi-do, South Korea
    Recruiting
  • ADARx Clinical Site
    Seoul, South Korea
    Recruiting
  • ADARx Clinical Site
    Seoul, South Korea
    Recruiting
  • ADARx Clinical Site
    Seoul, South Korea
    Recruiting
  • ADARx Clinical Site
    Seoul, South Korea
    Recruiting
  • ADARx Clinical Site
    Barcelona, Spain
    Recruiting
  • ADARx Clinical Site
    Madrid, Spain
    Recruiting
  • ADARx Clinical Site
    Madrid, Spain
    Recruiting
  • ADARx Clinical Site
    Seville, Spain
    Recruiting
  • ADARx Clinical Site
    New Taipei City, Taiwan
    Recruiting
  • ADARx Clinical Site
    Leicester, Bc, United Kingdom
    Recruiting
  • ADARx Clinical Site
    Newcastle upon Tyne, United Kingdom
    Recruiting
  • ADARx Clinical Site
    Doral, Florida, United States
    Withdrawn
  • ADARx Clinical Site
    Pembroke Pines, Florida, United States
    Withdrawn
  • ADARx Clinical Site
    Shreveport, Louisiana, United States
    Withdrawn
  • ADARx Clinical Site
    Dallas, Texas, United States
    Withdrawn
  • ADARx Clinical Site
    Kaohsiung City, Taiwan
    Not yet recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.