Promising vasculitis drug trial halted early

NCT ID NCT05376319

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compared two drugs, obinutuzumab and rituximab, for treating a rare autoimmune disease that inflames blood vessels (ANCA-associated vasculitis). The goal was to see if obinutuzumab could help more patients achieve remission and clear disease markers. However, the trial was stopped early after enrolling only 6 people, so we cannot draw meaningful conclusions about which drug works better.

What this could mean

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

Active substance

obinutuzumab

What this could lead to

If it had worked, obinutuzumab might have offered a new treatment option for controlling vasculitis, potentially leading to remission with fewer relapses.

What could go wrong

The trial was terminated early with only 6 participants, so no reliable conclusions can be drawn. The drug may not be more effective than rituximab and could have similar or new side effects.

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.

anti-neutrophil cytoplasmic antibody-associated vasculitis granulomatosis with polyangiitis microscopic polyangiitis

As listed by the trial registrant

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

Contacts and locations

Locations

  • Massachusetts General Hospital

    Boston, Massachusetts, 02114, United States

  • Mayo Clinic Rochester

    Rochester, Minnesota, 55905, United States

  • University of Pennsylvania

    Philadelphia, Pennsylvania, 19104, United States