Tokyo, Oct. 21 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000063357) titled 'National Hospital Organization Severe Hypereosinophilia Interspecialty Nationwide Elucidation Prospective Study' on Oct. 21.

Study Type: Observational

Primary Sponsor: Institute - National Hospital Organization Sagamihara National Hospital

Condition: Condition - Marked peripheral blood eosinophilia (absolute eosinophil count at least 1,500 cells per microliter) Classification by malignancy - Others Genomic information - NO

Objective: Narrative objectives1 - This multicenter observational study aims to investigate the distribution of final diagnoses, clinical characteristics, and diagnostic trajectories among adul...