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Arthus reaction

MONDO:0006660

A localized vasculitis resulting from deposition of antibody-antigen complexes.

Also known as: arthus phenomenon, arthus reaction, arthus reaction (function)

36 clinical trials for this condition and its sub-types.

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Broader categories

Disease (618) Autoimmune disease (283) Immune system disorder (140) Hypersensitivity reaction disease (29) Human disease (14) Type III hypersensitivity disease (2) Disease by body system or component (0)

Trials to join now! 16 Not yet recruiting 4 Not yet finished but already full! 5 Completed 10 Terminated 1

Biopsy tolerance study ends early – what we know

Knowledge-focused Terminated

This study aimed to understand how well patients tolerate biopsies for autoimmune diseases and whether they feel properly informed. It planned to enroll 505 people but was terminated early. The results may help improve patient experience with these common procedures.

Sponsor: University Hospital, Brest • Aim: Knowledge-focused

Last updated Jun 28, 2026 00:00 UTC