Venous Thromboembolism Clinical Trial
Official title:
High-dose Intravenous Methylprednisolone Therapy in Patients With Graves' Orbitopathy is Associated With the Increased Activity of Factor VIII
Verified date | May 2018 |
Source | Medical University of Warsaw |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
The alterations of coagulation and fibrinolysis parameters have been described in patients with endogenous Cushing's syndrome (CS) and those treated with glucocorticosteroids (GCs). The change in hemostatic process is associated with an increased risk of venous thromboembolic events (VTE) and pulmonary embolism (PE). Anticoagulation prophylaxis reduces thromboembolic complications in endogenous and exogenous hypercortisolism. The impact of the intravenous GCs therapy on hypercoagulability, however, remains unclear and perplexing. According to the European Group On Graves' Orbitopathy (EUGOGO), patients with active, severely symptomatic and sight-threatening Graves' orbitopathy (GO) should be treated with high dose intravenous methylprednisolone (IVMP) pulses. There are, however, reports of fatal side effects that may be associated with this therapy (e.g.: PE, myocardial infarction, severe cerebrovascular events, acute liver damage and sudden death). For this reason, the cumulative dose of IVMP should not exceed 8 g within each treatment course, and pulses should not be given on consecutive or alternate days, except for the case of dysthyroid optic neuropathy. Nevertheless, even smaller cumulative therapy may be associated with fatal cardiovascular complications. Hence the aim of our study was to evaluate the effects of IVMP therapy on hemostatic process in patients with GO. All of patients were treated according to EUGOGO recommendations with standard doses of methylprednisolone with standard recommended schedule. Inclusion criterion for the therapy was according to EUGOGO guidelines moderate-to-severe and active GO (12 pulses of IVMP 6x0.5g followed by 6x0.25g every week).
Status | Completed |
Enrollment | 26 |
Est. completion date | December 31, 2014 |
Est. primary completion date | December 31, 2014 |
Accepts healthy volunteers | |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - active, moderate-to-severe Graves' orbitopathy according to EUGOGO classification - euthyroidism for at least 1 month - completion of at least first six IVMP pulses Exclusion Criteria: - medical history of thromboembolic events - cardiovascular morbidity (chronic heart failure, cardiovascular heart disease) - uncontrolled hypertension (systolic blood pressure =140 mmHg and/or diastolic blood pressure =90 mmHg) - liver disease (>3x increase of alanine aminotransferase and/or aspartate aminotransferase) - active inflammation - nephritic syndrome - active neoplastic disease - previous GCs therapy within the last 6 months - trauma/surgery within the last 3 months - pregnancy or a bedridden state - use of: heparin, vitamin K antagonists, antiplatelet drugs, contraceptives or hormone replacement therapy |
Country | Name | City | State |
---|---|---|---|
n/a |
Lead Sponsor | Collaborator |
---|---|
Piotr Miskiewicz |
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Change in activity of coagulation factor VIII from baseline (before administration of methylprednisolone) to 48 hours after the first intravenous pulse | 48 hours | ||
Other | Change of activated partial thromboplastin time (seconds) from baseline (before administration of methylprednisolone) to 48 hours after the first intravenous pulse | 48 hours | ||
Other | Change in activity of coagulation factor VIII from baseline (before therapy) to the sixth pulse of the methylprednisolone | 6 weeks | ||
Other | Change activated partial thromboplastin time (seconds) from baseline (before therapy) to the sixth pulse of the methylprednisolone | 6 weeks | ||
Primary | Change in activity of coagulation factor VIII from baseline (before administration of methylprednisolone) to 24 hours after first intravenous pulse | 24 hours | ||
Primary | Change in activity of coagulation factor VIII from baseline (before therapy) to the end of the course of therapy with methylprednisolone | 12 weeks | ||
Primary | Change in of activated partial thromboplastin time (seconds) from baseline (before administration of methylprednisolone) to 24 hours after first intravenous pulse | 24 hours | ||
Primary | Change in activated partial thromboplastin time (seconds) from baseline (before therapy) to the end of the course of therapy with methylprednisolone | 12 weeks | ||
Secondary | Change in activity of coagulation factor II from baseline (before administration of methylprednisolone) to 24 hours after first intravenous pulse | 24 hours | ||
Secondary | Change in activity of coagulation factor V from baseline (before administration of methylprednisolone) to 24 hours after first intravenous pulse | 24 hours | ||
Secondary | Change in activity of coagulation factor VII from baseline (before administration of methylprednisolone) to 24 hours after first intravenous pulse | 24 hours | ||
Secondary | Change in prothrombin time (seconds) from baseline (before administration of methylprednisolone) to 24 hours after first intravenous pulse | 24 hours | ||
Secondary | Change in fibrinogen (mg/dl) from baseline (before administration of methylprednisolone) to 24 hours after first intravenous pulse | 24 hours | ||
Secondary | Change in D-Dimer (ng/dl) from baseline (before administration of methylprednisolone) to 24 hours after first intravenous pulse | 24 hours | ||
Secondary | Change in PLT count from baseline (before administration of methylprednisolone) to 24 hours after first intravenous pulse | 24 hours | ||
Secondary | Change in activity of coagulation factor II from baseline (before therapy) to the end of the course of therapy with methylprednisolone | 12 weeks | ||
Secondary | Change in activity of coagulation factor V from baseline (before therapy) to the end of the course of therapy with methylprednisolone | 12 weeks | ||
Secondary | Change in activity of coagulation factor VII from baseline (before therapy) to the end of the course of therapy with methylprednisolone | 12 weeks | ||
Secondary | Change in prothrombin time (seconds) from baseline (before therapy) to the end of the course of therapy with methylprednisolone | 12 weeks | ||
Secondary | Change in fibrinogen (mg/dl) from baseline (before therapy) to the end of the course of therapy with methylprednisolone | 12 weeks | ||
Secondary | Change in D-Dimer (ng/dl) from baseline (before therapy) to the end of the course of therapy with methylprednisolone | 12 weeks | ||
Secondary | Change in PLT count from baseline (before therapy) to the end of the course of therapy with methylprednisolone | 12 weeks |
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