Negative Antiphospholipid Syndrome: a Multicentric Study
Recruiting
Observational Study
Antiphospholipid Syndrome
Seronegative Antiphospholipid Syndrome
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
No Study Drug
Researchers observe your health over time — no experimental treatment is given.
At a Glance
- Age
- 18 – 65
- Sex
- Any
- Study type
- Observational
- Participants needed
- 105 (estimated)
- Sponsor
- Italian Society for Rheumatology · Other
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About This Trial
Multicentre no-profit, national, (cross-sectional diagnostic) retrospective study, promoted by the Italian Society for Rheumatology. The main objective of the study is to assess the diagnostic accuracy of non-criteria aPL (anti-vimentin/cardiolipin and anti-phosphatidylserine/prothrombin) in identifying APS in patients with thrombosis/recurrent adverse pregnancy outcomes.
Trial Locations
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Eligibility Criteria
INCLUSION CRITERIA:
1. Group 1 \[APS\]: Patients fulfilling the classification criteria for antiphospholipid syndrome (seropositive APS, SP-APS)
2. Group 2 \[SN-APS\]: patients with seronegative APS (SN-APS): with clinical criteria (thrombotic or obstetric) for APS, persistently negative for aPL, a…
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