| E.1 Medical condition or disease under investigation |
| E.1.1 | Medical condition(s) being investigated |
| congenital fibrinogen deficiency |
|
| E.1.1.1 | Medical condition in easily understood language |
| deficency of fibrinogen in human plasma |
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| E.1.1.2 | Therapeutic area | Diseases [C] - Congenital, Hereditary, and Neonatal Diseases and Abnormalities [C16] |
| MedDRA Classification |
| E.1.2 Medical condition or disease under investigation |
| E.1.2 | Version | 16.0 |
| E.1.2 | Level | LLT |
| E.1.2 | Classification code | 10052651 |
| E.1.2 | Term | Afibrinogenaemia |
| E.1.2 | System Organ Class | 100000004850 |
|
| E.1.3 | Condition being studied is a rare disease | Yes |
| E.2 Objective of the trial |
| E.2.1 | Main objective of the trial |
• To determine the single dose pharmacokinetics of Octafibrin and Haemocomplettan® P/RiaSTAPTM in subjects with congenital fibrinogen deficiency • To determine maximum clot strength (maximum clot firmness [MCF]) as a surrogate marker for haemostatic efficacy before and after administration of Octafibrin and Haemocomplettan® P/ RiaSTAPTM in subjects with congenital fibrinogen deficiency
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| E.2.2 | Secondary objectives of the trial |
| To assess the safety of Octafibrin in subjects with congenital fibrinogen deficiency |
|
| E.2.3 | Trial contains a sub-study | No |
| E.3 | Principal inclusion criteria |
• Subject age ≥12 years • Documented congenital fibrinogen deficiency (afibrinogenaemia) Plasma fibrinogen activity and antigen at screening bellow detection limit (i.e. <20mg/dl) • Informed consent signed by subject or legal guardian
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| E.4 | Principal exclusion criteria |
• Life expectancy <6 months • Bleeding disorder other than congenital fibrinogen deficiency • Dysfibrinogenemia • Treatment with: Any fibrinogen concentrate or other fibrinogen-containing blood product in the 2 weeks prior to enrolment • Presence or history of: Hypersensitivity to study medication Deep vein thrombosis or pulmonary embolism within 1 year prior to enrolment Arterial thrombosis within 1 year prior to enrolment Hypersensitivity to human plasma proteins • Acute bleeding • History of oesophageal varicose bleeding • End-stage liver disease (i.e. Child-Pugh-score B or C) • Planned major surgery with a need for blood transfusion during the PK blood-sampling period of this study • Pregnancy, or the intention to become pregnant during the study • Currently breast-feeding, or with the intention of breast-feeding during the study • HIV positive with a viral load >200 particles/μl ~ >400000 copies/ml • Polytrauma 1 year prior to enrolment • Suspicion of an anti-fibrinogen inhibitor as indicated by previous in-vivo recovery if available <0.5 (mg/dl)/(mg/kg), (there is currently no standard test for inhibitors) • Blood or plasma donation in the 3 months prior to enrolment
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| E.5 End points |
| E.5.1 | Primary end point(s) |
A comparison of the AUC between Octafibrin and Haemocomplettan® P/RiaSTAPTM Surrogate endpoint for haemostatic efficacy Comparison of MCF between Octafibrin and Haemocomplettan® P/RiaSTAPTM at 1 hour post-infusion
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|
| E.5.1.1 | Timepoint(s) of evaluation of this end point |
| at baseline, 0.5, 1, 2, 4, 8, 24, 48, 96, 144, 216 and 312 hours post-infusion. |
|
| E.5.2 | Secondary end point(s) |
• To compare the in vivo recovery between Octafibrin and Haemocomplettan® P/ RiaSTAPTM • To compare the pharmacokinetics between Octafibrin and Haemocomplettan® P/ RiaSTAPTM • To document the safety of Octafibrin
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|
| E.5.2.1 | Timepoint(s) of evaluation of this end point |
| at baseline, 0.5, 1, 2, 4, 8, 24, 48, 96, 144, 216 and 312 hours post-infusion. |
|
| E.6 and E.7 Scope of the trial |
| E.6 | Scope of the trial |
| E.6.1 | Diagnosis | No |
| E.6.2 | Prophylaxis | No |
| E.6.3 | Therapy | No |
| E.6.4 | Safety | Yes |
| E.6.5 | Efficacy | Yes |
| E.6.6 | Pharmacokinetic | Yes |
| E.6.7 | Pharmacodynamic | No |
| E.6.8 | Bioequivalence | No |
| E.6.9 | Dose response | No |
| E.6.10 | Pharmacogenetic | No |
| E.6.11 | Pharmacogenomic | No |
| E.6.12 | Pharmacoeconomic | No |
| E.6.13 | Others | No |
| E.7 | Trial type and phase |
| E.7.1 | Human pharmacology (Phase I) | Yes |
| E.7.1.1 | First administration to humans | Yes |
| E.7.1.2 | Bioequivalence study | Yes |
| E.7.1.3 | Other | No |
| E.7.1.3.1 | Other trial type description | |
| E.7.2 | Therapeutic exploratory (Phase II) | Yes |
| E.7.3 | Therapeutic confirmatory (Phase III) | No |
| E.7.4 | Therapeutic use (Phase IV) | No |
| E.8 Design of the trial |
| E.8.1 | Controlled | Yes |
| E.8.1.1 | Randomised | Yes |
| E.8.1.2 | Open | Yes |
| E.8.1.3 | Single blind | No |
| E.8.1.4 | Double blind | No |
| E.8.1.5 | Parallel group | No |
| E.8.1.6 | Cross over | Yes |
| E.8.1.7 | Other | No |
| E.8.2 | Comparator of controlled trial |
| E.8.2.1 | Other medicinal product(s) | Yes |
| E.8.2.2 | Placebo | No |
| E.8.2.3 | Other | No |
| E.8.2.4 | Number of treatment arms in the trial | 2 |
| E.8.3 |
The trial involves single site in the Member State concerned
| Yes |
| E.8.4 | The trial involves multiple sites in the Member State concerned | No |
| E.8.5 | The trial involves multiple Member States | Yes |
| E.8.5.1 | Number of sites anticipated in the EEA | 15 |
| E.8.6 Trial involving sites outside the EEA |
| E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
| E.8.6.2 | Trial being conducted completely outside of the EEA | No |
| E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
| Bulgaria |
| Germany |
| Iran, Islamic Republic of |
| Italy |
| Spain |
| Turkey |
| United Kingdom |
| United States |
|
| E.8.7 | Trial has a data monitoring committee | No |
| E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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|
| E.8.9 Initial estimate of the duration of the trial |
| E.8.9.1 | In the Member State concerned years | 2 |
| E.8.9.1 | In the Member State concerned months | 0 |
| E.8.9.1 | In the Member State concerned days | 0 |
| E.8.9.2 | In all countries concerned by the trial years | 2 |
| E.8.9.2 | In all countries concerned by the trial months | 0 |
| E.8.9.2 | In all countries concerned by the trial days | 0 |