New drug cocktail aims to tame deadly immune storm in kids

NCT ID NCT04551131

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a combination of three drugs—ruxolitinib, dexamethasone, and etoposide—for children and young adults with hemophagocytic lymphohistiocytosis (HLH), a rare condition where the immune system attacks the body. The trial includes two groups: newly diagnosed patients and those whose disease has come back or not responded to prior treatment. The goal is to see if this tailored regimen can safely control the disease and improve survival.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

Ruxolitinib (Jakafi) combined with dexamethasone and etoposide

What this could lead to

If successful, this could provide a more effective and tolerable frontline treatment for HLH, a rare and life-threatening immune disorder, and offer a new option for patients who relapse.

What could go wrong

This is an early-phase trial with only 10 participants, so results may not apply to all patients. The combination includes strong chemotherapy-like drugs, which carry risks of severe side effects like infections and organ damage.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

hemophagocytic syndrome Lymphohistiocytosis, Hemophagocytic Recurrence

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Children's Hospital of Orange County

    Orange, California, 92868, United States

  • Children's Hospital of Philadelphia

    Philadelphia, Pennsylvania, 19104, United States

  • Children's National Medical Center

    Washington D.C., District of Columbia, 20010, United States

  • Children's Wisconsin/Medical College of Wisconsin

    Milwaukee, Wisconsin, 53226, United States

  • Cohen Children's Medical Center

    New Hyde Park, New York, 11040, United States

  • Dana-Farber Cancer Institute

    Boston, Massachusetts, 02215, United States

  • John Hopkins University

    Baltimore, Maryland, 21287, United States

  • Levine Children's Hospital

    Charlotte, North Carolina, 28203, United States

  • Phoenix Children's Hospital

    Phoenix, Arizona, 85016, United States

  • St. Jude Children's Research Hospital

    Memphis, Tennessee, 38105, United States

  • Texas Children's Hospital

    Houston, Texas, 77030, United States

  • University of California San Francisco

    San Francisco, California, 94158, United States

  • University of Texas Southwestern Medical Center

    Dallas, Texas, 75235, United States