New drug combo aims to tame rare histiocytosis in adults

NCT ID NCT07187193

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This phase 2 trial is testing a combination of low-dose cytarabine (a chemotherapy drug) and thalidomide in 50 adults with untreated Langerhans cell histiocytosis (LCH), a rare disease where immune cells build up and damage tissues. Participants receive up to 24 cycles of treatment over about two years. The goal is to see if this combo can control the disease and improve survival, with fewer side effects than standard treatments.

What this could mean

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

Active substance

cytarabine and thalidomide

What this could lead to

If successful, this combination could offer a new treatment option for adults with Langerhans cell histiocytosis, potentially controlling the disease and improving survival.

What could go wrong

This is a small, early-phase trial with no control group, so results may not be definitive. Side effects from chemotherapy and thalidomide are possible, and the treatment may not work for everyone.

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.

Histiocytosis, Langerhans-Cell Langerhans cell histiocytosis

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College

    RECRUITING

    Beijing, China

    Contact Phone: •••-•••-•••• Email: •••••@•••••