NIH-funded research R21 grant

Three-part immune engager to help natural killer cells remove lupus-causing B cells

Official title: Trispecific Killer Cell Engager for the Treatment of Systemic Lupus Erythematosus

Funded at Rutgers Biomedical and Health Sciences · NIH-11318917 · Data updated 2026-11-12

A new three-part immune molecule aims to help natural killer cells better find and remove the B cells that drive lupus in people with systemic lupus erythematosus.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionRutgers Biomedical and Health Sciences
NIH-funded
Lab location1 site (Newark, UNITED STATES)
Project startApril 9, 2025
Project endMarch 31, 2027
Funding year2026
Award (this year)$196,250
NIH project number5R21AI189372-02
Project IDNIH-11318917 on NIH RePORTER

Who could benefit from this research

Could help

People with systemic lupus erythematosus—particularly those with active disease or lupus nephritis and persistent B cells despite standard treatments—would be the most relevant candidates for future studies.

Less likely to help

Patients whose disease is driven mainly by non-B-cell processes, those with active serious infections, or pregnant people may not benefit from a B cell–targeted NK engager.

What this research studies

The team is designing a "trispecific" molecule that links disease-causing B cells to natural killer (NK) cells and boosts the NK cells' killing activity. They will create versions of this engager in the lab and test how well it triggers NK cells to clear autoantibody-producing B cells using human immune cells and laboratory models. Early safety and activity will be measured in lab assays and preclinical models to show proof-of-concept before any human trials. If those tests go well, this work could lead to clinical studies where patients donate samples or receive the therapy.

Why it matters

Potential benefit: If successful, this approach could more completely remove autoreactive B cells, reduce autoantibody levels and flares, and lower the need for long-term broad immunosuppression in people with lupus.

How similar studies have gone: Monoclonal antibodies that deplete B cells have helped some people with lupus but often leave tissue or memory B cells behind, and trispecific NK-engager molecules are a newer approach with promising lab and oncology signals but limited testing in lupus so far.

Where this research is happening

  • Rutgers Biomedical and Health Sciences
    Newark, United States
    Active

Researchers

  • Principal investigator: Hatefi, Arash — Rutgers Biomedical and Health Sciences
  • Study coordinator: Hatefi, Arash

Related research

Other NIH-funded projects on the same topics.

  • Immunostimulatory short non-coding RNAs and lupus

    A study in people with lupus looks at tiny RNA pieces that may spark inflammation, to understand if they drive disease activity.

    NIH research Thomas Jefferson University · Philadelphia, United States · NIH-11497703

  • Antiviral factors that limit HIV in people with SLE

    Researchers at Howard University are studying how immune factors in people with lupus may help limit HIV infection.

    NIH research Howard University · Washington, United States · NIH-11470887

  • Mechanistic clues about lupus from immune disorders

    This grant looks at why certain immune disorders in people with genetic immune problems lead to lupus-like symptoms, by studying patients and mouse models.

    NIH research Seattle Children's Hospital · Seattle, United States · NIH-11449228

  • Subjective thinking challenges in adults with lupus as they age

    This grant aims to understand how lupus-related cognitive problems affect adults, especially older adults, and tests a real-time method to track daily fluctuations in those symptoms.

    NIH research Hospital for Special Surgery · New York, UNITED STATES · NIH-11442899

  • Mitochondrial targets of antibodies in lupus (SLE)

    A Johns Hopkins-led study will identify which mitochondrial membrane proteins are targeted by autoantibodies in lupus patients to understand how these immune attacks fuel the disease.

    NIH research Johns Hopkins University · Baltimore, United States · NIH-11440181

  • Influenza, Hydroxychloroquine, and the Windows of Self-Peptide Presentation in Lupus

    A doctor-researcher is studying how flu infection and the lupus medication hydroxychloroquine change the way the immune system shows self-parts to trigger or prevent lupus flares in kids.

    NIH research Children's Hosp of Philadelphia · Philadelphia, United States · NIH-11438703

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.
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.