Improving tests for platelet function disorders

Towards Improved Diagnostics for Suspected Platelet Function Disorders

Observational Region Stockholm · NCT05985668

This study is testing new platelet function tests to see if they can help doctors better diagnose and manage bleeding problems in patients with suspected or confirmed platelet function disorders.

Quick facts

Study typeObservational
Enrollment140 (estimated)
Ages12 Months and up
SexAll
SponsorRegion Stockholm Government
Locations1 site (Stockholm)
Trial IDNCT05985668 on ClinicalTrials.gov

What this trial studies

This study evaluates the diagnostic accuracy of new platelet function tests in patients with confirmed or suspected platelet function disorders. Participants will be recruited from the Coagulation Unit at Karolinska University Hospital and the Pediatric Coagulation Unit at Astrid Lindgren Children's Hospital. The goal is to enhance the effectiveness of platelet function testing during bleeding investigations, which could lead to better diagnosis and management of these disorders.

Who should consider this trial

Good fit: Ideal candidates include patients with known or suspected platelet function disorders who are being evaluated at Karolinska University Hospital.

Not a fit: Patients currently on antiplatelet or anticoagulant medications, or those with other coagulation disorders, may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to more accurate diagnoses and improved management of patients with platelet function disorders.

How similar studies have performed: While this approach is focused on improving diagnostic accuracy, similar studies have shown promise in enhancing the understanding and management of platelet function disorders.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria, known defects:

* Known platelet function disorder under follow-up at Karolinska University Hospital (genetic or functional assay)
* High likelihood of platelet function disorder (aberrant screening test with inheritance)
* Family investigation for platelet disorder

Exclusion Criteria, known defects::

* Antiplatelet or anticoagulant drugs
* vWF:GPIb below 0.40 IU/mL
* Hematocrit below 0.35 or above 0.50
* Other coagulation disorder

Inclusion Criteria, suspected platelet function disorder:

* Bleeding investigation at Karolinska University Hospital

Exclusion Criteria, suspected platelet function disorder::

* Antiplatelet or anticoagulant drugs
* vWF:GPIb below 0.40 IU/mL
* Hematocrit below 0.35 or above 0.50
* Other coagulation disorder

Where this trial is running

Stockholm

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Platelet Function DisorderPlatelet DisorderThrombocytopathydiagnostic accuracy
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.