E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Total knee arthroplasty bleeding |
Sangrado en cirugía de protesis total de rodilla |
|
E.1.1.1 | Medical condition in easily understood language |
Total knee arthroplasty bleeding |
Sangrado en cirugía de protesis total de rodilla |
|
E.1.1.2 | Therapeutic area | Analytical, Diagnostic and Therapeutic Techniques and Equipment [E] - Surgical Procedures, Operative [E04] |
MedDRA Classification |
E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To demonstrate that tranexamic acid administered 30 minutes before ischemia further reduces free volume of postoperative bleeding in knee replacement (TKR) that administered before the surgical incision. |
Demostrar que el ácido tranexámico administrado 30 minutos antes de liberar la isquemia reduce más el volumen de sangrado postoperatorio en las prótesis de rodilla (PTR) que administrado previo a la incisión quirúrgica. |
|
E.2.2 | Secondary objectives of the trial |
a) To assess whether a second additional dose of 10 mg / kg of tranexamic acid helps to reduce the total postoperative bleeding. b) To assess the incidence of clinically significant thromboembolic events. |
a) Evaluar si una segunda dosis adicional de ácido tranexámico de 10 mg/kg contribuye a reducir el sangrado postoperatorio total. b) Evaluar la incidencia de eventos tromboembólicos clínicamente relevantes. |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
-Adult patients of both genre aged between 18 and 85 years. - Patients scheduled for primary and unilateral total knee arthroplasty with tourniquet. - Patients who signed informed consent indicating that they have been informed of all pertinent aspects of the trial. |
-Pacientes adultos de ambos sexos de edades comprendidas entre los 18 y 85 años. -Pacientes programados de cirugía de prótesis total de rodilla primaria y unilateral con isquemia durante la intervención. -Pacientes que firmen el consentimiento informado indicando que han sido informados de todos los aspectos pertinentes sobre el ensayo. |
|
E.4 | Principal exclusion criteria |
-Pregnancy or risk of pregnancy ( fertile women who do not take contraceptives) or lactating. - Participation in a clinical drug research before 3 months in pre-drug administration. - Congenital or acquired bleeding disorder including thrombophilia. - Absolute or relative contraindications of tranexamic acid administration : - venous or arterial thrombosis - pulmonary thromboembolism - paroxysmal atrial fibrillation - chronic kidney failure with GFR <40mm - epilepsy (seizures in the last year) |
-Embarazo o riesgo de embarazo (mujeres fértiles que no tomen anticonceptivos) o en periodo de lactancia -Participación en alguna investigación clínica con medicamentos dentro de los 3 meses anteriores a la administración del fármaco. -Alergia o hipersensibilidad a Amchafibrin o a alguno de los excipientes del medicamento en estudio -Trastorno adquirido o congénito de la coagulación incluyendo la trombofilia -Contraindicación absoluta o relativa a la administración de ácido tranexámico: -Antecedente de trombosis arterial o venosa -Antecedente de tromboembolismo pulmonar -Fibrilación auricular paroxística - Enfermedad renal crónica con TFG<40mm - Antecedente de epilepsia (convulsiones en el último año) |
|
E.5 End points |
E.5.1 | Primary end point(s) |
Perioperative bleeding in milliliters ( ml ) . -Visible Losses : Total amount of bleeding in the draw ( until his retirement ) -Total estimated blood loss : according to formula described in the protocol. |
Es el sangrado perioperatorio en militros (ml). -Pérdidas visibles: Cantidad total de sangrado en el drenaje (hasta su retirada) -Pérdidas sanguínea total calculada: segun formúla descrita en el protocolo. |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
Bleeding from surgery day untill 4th day. |
Sangrado desde la cirugía hasta el cuarto día |
|
E.5.2 | Secondary end point(s) |
-Adverse events related to treatment with antifibrinolytic : venous thrombosis, pulmonary embolism, arterial thrombosis, acute myocardial infarction , transient ischemic attack , cerebral vascular accident etc. -Units of packed red blood cells transfused and patients transfused -Total tranexamic acid (TXM) dose received |
-Efectos adversos relacionados con el tratamiento con antifibrinolítico: trombosis venosa, Tromboembolismo pulmonar (TEP), trombosis arterial (infarto agudo de miocardio (IAM), Accidente isquémico transitorio (TIA), Accidente vascular cerebral (AVC) etc.) -Unidades de concentrados de hematíes trasfundidos y pacientes trasfundidos -Dosis total de ácido tranexámico recibido |
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
From first acid tranexamic dose untill +/-30 th day post surgery. |
Desde la administración de la primera dosis de ácido tranexámico en la cirugía hasta el día +/-30 del postoperatorio. |
|
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 | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | Yes |
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) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | Yes |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | Yes |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 4 |
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 | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
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
|
Last visit of the last recruited patient. |
Última visita del último paciente reclutado. |
|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 1 |
E.8.9.1 | In the Member State concerned months | 2 |
E.8.9.1 | In the Member State concerned days | 0 |