N-acetylcysteine as a treatment for lupus (SLE)

SLE Treatment with N-acetylcysteine

['FUNDING_U01'] · UPSTATE MEDICAL UNIVERSITY · NIH-11123165

This project tests whether the supplement N-acetylcysteine can lower immune overactivity and improve symptoms in people with systemic lupus erythematosus (SLE).

Quick facts

Phase['FUNDING_U01']
Study typeNih_funding
SexAll
SponsorUPSTATE MEDICAL UNIVERSITY (nih funded)
Locations1 site (SYRACUSE, UNITED STATES)
Trial IDNIH-11123165 on ClinicalTrials.gov

What this research studies

You would take daily N-acetylcysteine (NAC) or a placebo while doctors monitor your symptoms, blood glutathione levels, and immune signaling such as mTOR activity. The team builds on animal studies and a small randomized pilot where NAC restored glutathione, reduced mTOR activation, and showed some clinical improvement. Regular clinic visits and blood tests will track safety, immune cell function, and changes in lupus activity over time. The approach aims to reduce harmful immune activation with a lower-toxicity option than many current immunosuppressive drugs.

Who could benefit from this research

Good fit: Adults with a diagnosis of systemic lupus erythematosus who can take oral NAC and agree to regular clinic visits and blood draws are the best candidates.

Not a fit: People without SLE, those who cannot tolerate NAC or have contraindications to it, or patients whose disease does not involve the targeted immune pathways may not benefit.

Why it matters

Potential benefit: If successful, NAC could offer a safer, non-toxic treatment that reduces immune overactivity and improves lupus symptoms.

How similar studies have performed: Animal work and a prior double-blind, placebo-controlled pilot in SLE patients showed improved glutathione and reduced mTOR activation with some clinical benefit, but larger trials are still needed.

Where this research is happening

SYRACUSE, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.