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| Name | Class |
|---|---|
| TRIB s.r.l. | UNKNOWN |
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FVII deficiency is a rare coagulation disorder. A limited number of patients are found in most treatment centres and countries. Treatment demands vary considerably amongst FVII deficient patients. Therefore, regular clinical studies will meet with recruitment problems in this particular patient population. The present study intends to elucidate the bleeding patterns in a well-defined collective of FVII deficiency patients who are carefully characterised, to document the actual use of different treatment modalities in different subgroups and to evaluate the efficacy and safety of current available treatment modalities in bleedings, surgery and prophylaxis. The purpose is to gain some evidence based knowledge of treatment of patients with FVII deficiency - an area where treatment decisions are made more on personal clinical experience than on consolidated clinical evidence.
This study intends to register treatment practices as they are actually performed - in a structured and documented way.
To describe the treatment modalities and outcomes of: - bleeding episodes - surgery - prophylaxis in a well defined, international cohort of FVII deficient patients characterised following the methodology used by the International Factor VII deficiency Study Group (IF7SG).
To evaluate the presence (in already treated patients) and/or the appearance of inhibiting antibodies to FVII and/or therapy-related thrombosis.
Study Design:
Prospective observational study on treatment of FVII deficiency patients. This is an outcome study conducted through the procedures set up by the IF7SG, in patients already enrolled or newly enrolled in the database.
Study population and products:
Patients with FVII deficiency (levels of FVII less than 50% of normal or a mutation known to be associated to a FVII deficiency) can be enrolled. All pharmaceutical products considered useful for treatment of FVII deficiency by the centres can be included in the study.
Key assessments:
The database is set up to capture the following assessments, if available:
Bleeding episodes:
• Recording of bleeding location, symptom onset and treatment onset & location • Recording of substitution therapy, concomitant medications and concomitant illness • Recording of 6 hour treatment evaluation for bleeding episodes • Recording of re-bleeding episodes
Surgery/delivery:
• Recording of surgery description , date of surgery and indication • Recording of substitution therapy, concomitant medications and concomitant illness during surgery • Recording of antifibrinolytic drugs used prior, during and/or after surgery •Recording of • Recording of overall treatment evaluation
Prophylaxis:
• Recording of prophylaxis type (primary/secondary), indication for prophylaxis and start/stop date •Recording of prophylaxis therapy, concomitant medications and concomitant illness • Recording of bleeding episodes during prophylaxis •Recording of clinical prophylaxis evaluation
For all:
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Factor VII Deficient Patients | Patients affected by Inherited Factor VII deficiency undergoing treatment for bleeding episodes, surgery , prophylaxis.Any patient with levels of FVII less than 50% of normal or a mutation known to be associated to a FVII deficiency. Any patient with a FVII deficiency for whom treatment of bleeding episodes, prevention related to surgery and primary/secondary prophylaxis is considered necessary by his/her treating physician can be enrolled. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| plasma derived Factor VII | Drug | Treatment of bleeding episodes,treatment during surgery and prophylaxis |
|
| Measure | Description | Time Frame |
|---|---|---|
| Changes in Factor VII levels | To describe the treatment modalities and clinical and laboratory outcomes in: -bleeding episodes - surgery - prophylaxis in a well defined, international cohort of FVII deficient patients characterised following the methodology used by the IF7SG. | Time 0 (before treatment), 15 minutes and 1 month after treatment |
| Measure | Description | Time Frame |
|---|---|---|
| Evaluation of Inhibitor Development | To evaluate the presence (in already treated patients) and/or the appearance of inhibiting antibodies to FVII. | Monthly |
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Inclusion Criteria:
Exclusion Criteria:
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Number of patients affected by inherited Factor VII deficiency to be studied Planned number of patients to be recruited: >200 Planned number of evaluable bleeding episodes >100 Planned number of surgical procedures >50 It is planned to include patients to the registry from all over the world
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| Name | Affiliation | Role |
|---|---|---|
| guglielmo mariani, md | University of L'Aquila | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| San Salvatore Hospital | L’Aquila | AQ | 67100 | Italy |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 24763923 | Derived | Morfini M, Batorova A, Mariani G, Auerswald G, Bernardi F, Di Minno G, Dolce A, Fede C, Giansily-Blaizot M, Ingerslev J, Martinowitz U, Napolitano M, Pinotti M, Schved JF; International FVII [IF7] and Seven Treatment Evaluation Registry [STER] Study Groups. Pharmacokinetic properties of recombinant FVIIa in inherited FVII deficiency account for a large volume of distribution at steady state and a prolonged pharmacodynamic effect. Thromb Haemost. 2014 Aug;112(2):424-5. doi: 10.1160/TH13-12-1045. Epub 2014 Apr 24. No abstract available. | |
| 23403322 |
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| ID | Term |
|---|---|
| D005168 | Factor VII Deficiency |
| ID | Term |
|---|---|
| D025861 | Blood Coagulation Disorders, Inherited |
| D001778 | Blood Coagulation Disorders |
| D006402 | Hematologic Diseases |
| D006425 | Hemic and Lymphatic Diseases |
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| ID | Term |
|---|---|
| D005167 | Factor VII |
| C103587 | recombinant FVIIa |
| ID | Term |
|---|---|
| D004792 | Enzyme Precursors |
| D045762 | Enzymes and Coenzymes |
| D001779 | Blood Coagulation Factors |
| D001798 | Blood Proteins |
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Plasma for Factor VII inhibitor assay is stored and sent to a Central Laboratory for the inhibitor determination. Samples are discharged after the inhibitor determination
| recombinant FVIIa | Drug | Treatment of bleeding episodes,treatment during surgery and prophylaxis |
|
|
| Fresh Frozen Plasma | Drug | Treatment of bleeding episodes,treatment during surgery and prophylaxis |
|
|
| Activated Prothrombin Complex Concentrates | Drug | Treatment of bleeding episodes,treatment during surgery and prophylaxis |
|
| Virus Inactivated plasma | Drug | Treatment of bleeding episodes,treatment during surgery and prophylaxis |
|
|
| Derived |
| Napolitano M, Giansily-Blaizot M, Dolce A, Schved JF, Auerswald G, Ingerslev J, Bjerre J, Altisent C, Charoenkwan P, Michaels L, Chuansumrit A, Di Minno G, Caliskan U, Mariani G. Prophylaxis in congenital factor VII deficiency: indications, efficacy and safety. Results from the Seven Treatment Evaluation Registry (STER). Haematologica. 2013 Apr;98(4):538-44. doi: 10.3324/haematol.2012.074039. Epub 2013 Feb 12. |
| D020147 | Coagulation Protein Disorders |
| D006474 | Hemorrhagic Disorders |
| D030342 | Genetic Diseases, Inborn |
| D009358 | Congenital, Hereditary, and Neonatal Diseases and Abnormalities |
| D011506 |
| Proteins |
| D000602 | Amino Acids, Peptides, and Proteins |
| D011498 | Protein Precursors |
| D001685 | Biological Factors |