New hope for rare blood disorder: experimental antibody EA5 enters human testing

NCT ID NCT07256301

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This early-stage trial tests the safety of a new drug called EA5 in 24 adults with paroxysmal nocturnal hemoglobinuria (PNH), a rare blood disorder that destroys red blood cells. The drug is an antibody designed to block part of the immune system that attacks blood cells. The goal is to see if multiple doses are safe and how the body processes the drug.

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Conditions

The condition(s) this trial relates to.

Hemoglobinuria, Paroxysmal paroxysmal nocturnal hemoglobinuria

As listed by the trial registrant

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

Contacts and locations

Locations

  • The First Affiliated Hospital, Zhejiang University School of Medicine, Chengzhan Campus

    RECRUITING

    Hangzhou, Zhejiang, 310009, China

  • The Institute of Hematology & Blood Diseases Hospital (Chinese Academy of Medical Sciences)

    RECRUITING

    Tianjin, Tianjin Municipality, 300020, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.