Maria Efthymiou

London, ENG, United Kingdom

Last Updated: 09/26/2026

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Found 50 publications

Clinical characteristics of patients with primary antiphospholipid syndrome and "single" antiphospholipid antibody: Retrospective results from the APS ACTION clinical database and repository ("registry").

Clinical characteristics of patients with primary antiphospholipid syndrome and "single" antiphospholipid antibody: Retrospective results from the APS ACTION clinical database and repository ("registry").

Journal: Lupus

Published: September 03, 2026

Prevalence and prognostic value of activated protein C resistance and anti-protein C antibodies in patients with antiphospholipid antibodies: an APS ACTION Registry study.

Prevalence and prognostic value of activated protein C resistance and anti-protein C antibodies in patients with antiphospholipid antibodies: an APS ACTION Registry study.

Journal: Rheumatology (Oxford, England)

Published: February 11, 2026

Prevalence and prognostic value of activated protein C resistance and anti-protein C antibodies in patients with aPLs: an APS ACTION Registry study.

Prevalence and prognostic value of activated protein C resistance and anti-protein C antibodies in patients with aPLs: an APS ACTION Registry study.

Journal: Rheumatology (Oxford, England)

Published: February 11, 2026

The role of different aPL subpopulations in the lupus anticoagulant phenomenon.

The role of different aPL subpopulations in the lupus anticoagulant phenomenon.

Journal: Current opinion in immunology

Published: February 06, 2026

Do ethnoracial differences exist among antiphospholipid antibody-positive patients with no other systemic autoimmune diseases: results from the APS ACTION registry.

Do ethnoracial differences exist among antiphospholipid antibody-positive patients with no other systemic autoimmune diseases: results from the APS ACTION registry.

Journal: Advances in rheumatology (London, England)

Published: October 23, 2025

Clinical and biologic predictors of thrombosis in persistently antiphospholipid antibody-positive patients: Prospective analysis of the International APS ACTION Clinical Database and Repository ('Registry').

Clinical and biologic predictors of thrombosis in persistently antiphospholipid antibody-positive patients: Prospective analysis of the International APS ACTION Clinical Database and Repository ('Registry').

Journal: Annals of the rheumatic diseases

Published: July 12, 2025

Thrombocytopenia and autoimmune hemolytic anemia in antiphospholipid antibody-positive patients: Descriptive analysis of the AntiPhospholipid syndrome alliance for clinical trials and InternatiOnal networking (APS ACTION) clinical database and repository ("Registry").

Thrombocytopenia and autoimmune hemolytic anemia in antiphospholipid antibody-positive patients: Descriptive analysis of the AntiPhospholipid syndrome alliance for clinical trials and InternatiOnal networking (APS ACTION) clinical database and repository ("Registry").

Journal: Lupus

Published: April 03, 2025

Antiphospholipid antibody-related clinical manifestations during childhood versus adulthood: descriptive results from the AntiPhospholipid Syndrome Alliance for Clinical Trials and InternatiOnal Networking (APS ACTION) clinical database and repository.

Antiphospholipid antibody-related clinical manifestations during childhood versus adulthood: descriptive results from the AntiPhospholipid Syndrome Alliance for Clinical Trials and InternatiOnal Networking (APS ACTION) clinical database and repository.

Journal: Clinical and experimental rheumatology

Published: March 23, 2025

ANA-positive versus ANA-negative Antiphospholipid Antibody-positive Patients: Results from the Antiphospholipid Syndrome Alliance for Clinical Trials and International Networking (APS ACTION) Clinical Database and Repository ("Registry").

ANA-positive versus ANA-negative Antiphospholipid Antibody-positive Patients: Results from the Antiphospholipid Syndrome Alliance for Clinical Trials and International Networking (APS ACTION) Clinical Database and Repository ("Registry").

Journal: Rheumatology (Oxford, England)

Published: August 12, 2024

Comparison of clinical and serological features in thrombotic antiphospholipid syndrome patients, with and without associated systemic lupus erythematosus, followed for up to 42 years: A single centre retrospective study.

Comparison of clinical and serological features in thrombotic antiphospholipid syndrome patients, with and without associated systemic lupus erythematosus, followed for up to 42 years: A single centre retrospective study.

Journal: Lupus

Published: August 02, 2024

Predictors of Mortality in Antiphospholipid Antibody-Positive Patients: Prospective Results From Antiphospholipid Syndrome Alliance for Clinical Trials and International Networking Clinical Database and Repository.

Predictors of Mortality in Antiphospholipid Antibody-Positive Patients: Prospective Results From Antiphospholipid Syndrome Alliance for Clinical Trials and International Networking Clinical Database and Repository.

Journal: Arthritis care & research

Published: July 10, 2024

Rivaroxaban for stroke patients with antiphospholipid syndrome (RISAPS): protocol for a randomized controlled, phase IIb proof-of-principle trial.

Rivaroxaban for stroke patients with antiphospholipid syndrome (RISAPS): protocol for a randomized controlled, phase IIb proof-of-principle trial.

Journal: Research and practice in thrombosis and haemostasis

Published: January 11, 2024

Showing 1-12 of 50

Last Updated: 09/26/2026