New blood test could help patients who Don't respond to platelet transfusions

NCT ID NCT02858323

First seen Jun 24, 2026 · Last updated Jul 01, 2026 · Updated 3 times

Summary

This study looked at 68 people with low platelet counts who had become resistant to platelet transfusions due to HLA antibodies. Researchers tested a new lab method (C1q binding) on stored blood samples to see if it could better predict whether a transfusion would work compared to the standard test. The goal was to improve matching for future transfusions.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to

If the C1q method proves more accurate, it could help doctors choose better platelet donors for patients who don't respond to standard transfusions.

What could go wrong

This is a small, completed observational study using stored samples, not a treatment trial. The new test may not be more useful than the current method in real-world settings.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

thrombocytopenia

As listed by the trial registrant

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

Contacts and locations

Locations

  • National Institutes of Health Clinical Center

    Bethesda, Maryland, 20892, United States