White platelet syndrome

MONDO:0018269

White platelet syndrome (WPS) is is a platelet granule disorder characterized by thrombocytopenia, increased mean platelet volumes, decreased platelet responsiveness to aggregating agents, and significant defects in platelet ultrastructural morphology leading to prolonged bleeding times and bleeding.

Also known as: platelet granule deficiency disorder

2 clinical trials for this condition and its sub-types, 0 tagged with White platelet syndrome itself.

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Where it sits in the disease tree

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Part of

↑ Alpha granule disease (0)

Including sub-types (2) Tagged with White platelet syndrome (0)

Trials to join now! 1 Completed 1

Scientists hunt for hidden genetic causes of rare bleeding disorder

Knowledge-focused Completed

This study investigates inherited thrombocytopenias, rare conditions where low platelet counts cause bleeding problems. About half of patients have an unknown genetic cause. Researchers aim to identify new disease genes and build a lab-grown bone marrow model to test how well dru…

Sponsor: Fondazione IRCCS Policlinico San Matteo di Pavia • Aim: Knowledge-focused

Last updated Jul 01, 2026 00:00 UTC

White platelet syndrome

Where it sits in the disease tree

Scientists hunt for hidden genetic causes of rare bleeding disorder