E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Acute Antibody Mediated Rejection (AMR) in kidney transplant patients |
Rechazo agudo mediado por anticuerpos en pacientes con trasplante renal |
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E.1.1.1 | Medical condition in easily understood language |
Graft rejection in kidney transplant patients. |
Rechazo de injerto en pacientes con trasplante renal |
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E.1.1.2 | Therapeutic area | Body processes [G] - Immune system processes [G12] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 18.1 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10023439 |
E.1.2 | Term | Kidney transplant rejection |
E.1.2 | System Organ Class | 10021428 - Immune system disorders |
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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 evaluate the efficacy of 20,000 total units of Cinryze given intravenously in 7 doses over 13 days as an adjunct to plasmapheresis, plasma exchange, and/or immune adsorption treatments and intravenous immunoglobulin (IVIg) for the treatment of acute antibody-mediated rejection (of renal allograft) (AMR) in kidney transplant recipients as measured by the proportion of subjects with new or worsening transplant glomerulopathy (TG) within 6 months. |
El objetivo principal de este estudio es evaluar la eficacia de 20.000 unidades totales de Cinryze administradas por vía intravenosa en 7 dosis durante 13 días como complemento de la plasmaféresis, el recambio de plasma y/o los tratamientos de inmunoadsorción y la IgIV para el tratamiento del RMA agudo en receptores de trasplante renal, medida mediante el porcentaje de pacientes con GT nueva o agravada en un plazo de 6 meses. |
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E.2.2 | Secondary objectives of the trial |
To evaluate the efficacy of 20,000 total units of Cinryze given intravenously in 7 doses over 13 days as an adjunct to plasmapheresis, plasma exchange, and/or immune adsorption treatments and IVIg for the treatment of acute AMR in kidney transplant recipients as measured by the proportion of subjects with all cause graft failure. |
El objetivo secundario fundamental es evaluar la eficacia de 20.000 unidades totales de Cinryze administradas por vía intravenosa en 7 dosis durante 13 días como complemento de la plasmaféresis, el recambio de plasma y/o los tratamientos de inmunoadsorción y la IgIV para combatir el RMA agudo en receptores de trasplante renal, medida mediante el porcentaje de pacientes con fracaso del injerto por todas las causas. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
To be eligible for this protocol, a subject must: - Be >=18 years of age. - Weigh >= 40 kg. - Have had human leukocyte antigen (HLA) DSA identified at the time of diagnosis of AMR. - Have a first episode of AMR ("qualifying episode") in the subject´s current renal allograft within 12 months after transplant defined by a renal allograft biopsy demonstrating neutrophil and/or monocyte infiltration in the peritubular capillaries and/or glomeruli with or without evidence of C4d by immunohistopathology. - Have received a kidney transplant for which the qualifying episode of AMR was diagnosed and achieved an eGFR >=40 mL/minute within 3 months post-transplant as estimated by the MDRD formula. - Be able to receive first dose of study drug within 72 hours after the (qualifying) renal allograft biopsy that was diagnostic for AMR. - Be informed of the nature of the study and provide written informed consent before any study-specific procedures are performed. - Subject, who is female, must have a negative urine pregnancy test confirmed by a negative serum beta human chorionic gonadotropin pregnancy test at the Screening Visit and must have a negative urine pregnancy test at the Day 1 visit, and agree to comply with any applicable contraceptive requirements of the protocol. |
- Tener >= 18 años de edad. - Pesar >= 40 kg. - Presentar AED contra HLA en el momento del diagnóstico del RMA. - Haber sufrido un primer episodio de RMA (?episodio calificador?) en el aloinjerto renal actual del paciente en los 12 meses siguientes al trasplante, definido mediante una biopsia del aloinjerto renal que demuestre la infiltración de neutrófilos o monocitos en los CPT o los glomérulos con o sin indicios de C4d mediante inmunohistopatología. - Haber recibido un trasplante renal en el que se diagnostique el episodio calificador de RMA y se obtenga una FGe >= 40 ml/minuto en los 3 meses siguientes al trasplante, según la fórmula de la MDRD. - Ser capaces de recibir la primera dosis del fármaco del estudio en un plazo de 72 horas después de la biopsia del aloinjerto renal (calificadora) diagnóstica del RMA. - Ser informados de la naturaleza del estudio y otorgar el consentimiento informado por escrito antes de someterse a ningún procedimiento específico del estudio. - Las mujeres deben tener un resultado negativo en una prueba de embarazo en orina confirmado por un resultado negativo en una prueba de embarazo en suero con gonadotropina coriónica humana beta (beta-HCG) en la visita de selección y deben tener una prueba de embarazo negativa en orina en la visita del día 1 y acceder a cumplir los requisitos anticonceptivos aplicables del protocolo. |
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E.4 | Principal exclusion criteria |
Subjects are excluded from the study if any of the following exclusion criteria are met: - Have received pediatric en bloc kidney transplant. - Have focal sclerosing glomerulosclerosis, rapidly progressive glomerulonephritis, membrano proliferative glomerulonephritis type 1, or "dense deposit disease" as the cause of native kidney failure. - Have, as determined by the investigator and/or medical monitor, any surgical or medical condition that could interfere with the administration of study drug or interpretation of study results, including (as determined by the transplanting surgeon and documented in the operative report) any major technical complications of the renal artery, renal vein, or ureteral anastomosis. - Have any ongoing infection that causes hemodynamic compromise. - Have a history of abnormal bleeding, clotting, or any coagulopathy (excluding a history of clotted hemodialysis access or superficial thrombophlebitis in the absence of medically confirmed coagulopathy). - Have a history of allergic reaction to Cinryze or other blood products. - Have participated in the active dosing phase of any other investigational drug study within 30 days prior to dosing with study drug. - Have any of the following laboratory values within 48 hours prior to dosing with study drug: -- White blood cell count <0.5×109/L or >20×109/L -- Platelet count <25×109/L or >600×109/L - Be pregnant or breastfeeding. -Have received any of the following agents within 1 month prior to the first dose of study drug: -- Any C1 INH (plasma-derived [eg, Cinryze®, Berinert®, Cetor®] or recombinant [eg, Rhucin®]) -- Eculizumab (Soliris®) -- Ecallantide (Kalbitor®) -- Bortezomib (Velcade®) |
Se excluirá del estudio a los pacientes que cumplan alguno de los criterios de exclusión siguientes: - Haber recibido un trasplante de riñón en bloque de donantes pediátricos. - Padecer glomeruloesclerosis esclerosante focal, glomerulonefritis rápidamente progresiva, glomerulonefritis membranoproliferativa de tipo 1 o ?enfermedad de depósitos densos? como causa de insuficiencia del riñón natural. - Tener, según lo determinado por el investigador y/o el monitor médico, cualquier proceso quirúrgico o médico que pueda interferir en la administración del fármaco del estudio o en la interpretación de los resultados del ensayo, como (según lo determinado por el cirujano encargado del trasplante y documentado en el informe quirúrgico) cualquier complicación técnica importante de la arteria renal o la vena renal, o anastomosis ureteral. - Padecer cualquier infección activa que tenga consecuencias hemodinámicas. - Tener antecedentes de hemorragia o coagulación anormal, o de cualquier coagulopatía (excluidos los antecedentes de acceso coagulado para la hemodiálisis o tromboflebitis superficial sin coagulopatía médicamente confirmada). - Tener antecedentes de reacción alérgica a Cinryze u otros hemoderivados. - Haber participado en la fase de administración activa de cualquier otro estudio con medicamentos en investigación en los 30 días previos a la administración del fármaco del ensayo. - Presentar cualquiera de los valores analíticos siguientes en las 48 horas previas a la administración del fármaco del estudio: ? Recuento de leucocitos < 0,5 × 109/l o > 20 × 109/l ? Recuento de plaquetas < 25 × 109/l o > 600 × 109/l - Estar embarazada o dando el pecho. - Haber recibido cualquiera de los medicamentos siguientes en el mes previo a la primera dosis del fármaco del estudio: ? Cualquier INH C1 (derivado del plasma [p. ej., Cinryze®, Berinert®, Cetor®] o recombinante [p ej., Rhucin®]) ? Eculizumab (Soliris®) ? Ecallantida (Kalbitor®) ? Bortezomib (Velcade®) |
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E.5 End points |
E.5.1 | Primary end point(s) |
Proportion of subjects with new or worsening TG within 6 months post treatment as determined by Banff criteria. |
Porcentaje de pacientes con GT nueva o agravada en los 6 meses siguientes al tratamiento según los criterios de Banff |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
- Time to all-cause graft failure - Proportion of subjects with graft failure due to AMR and time to graft failure due to AMR - Change from baseline in renal allograft function (eGFR as calculated by the MDRD formula) - Change from baseline in histopathology at Month 6 post treatment per Banff criteria - Time to first recurrence of biopsy-proven acute AMR after dosing - Change from baseline in serum Creatinine - Proportion of subjects with salvage splenectomy - Overall subject survival (proportion and time-to-event) - Frequency of DSA reduction therapy beyond protocol-mandated treatment |
- Tiempo transcurrido hasta el fracaso del injerto por todas las causas - Porcentaje de pacientes con fracaso del injerto por RMA y tiempo hasta el fracaso del injerto por RMA - Variación de la función del aloinjerto renal con respecto al momento basal (FGe calculada mediante la fórmula de MDRD) - Variación de la histopatología entre el momento basal y el sexto mes después del tratamiento según los criterios de Banff - Tiempo transcurrido hasta la primera recidiva del RMA agudo demostrado por biopsia tras la administración - Variación de la Cr sérica con respecto al valor basal - Porcentaje de pacientes con esplenectomía de rescate - Supervivencia global de los pacientes (proporción y tiempo hasta el acontecimiento) - Frecuencia del tratamiento reductor de los AED además del tratamiento exigido en el protocolo |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
up to 4 years |
Hasta 4 años |
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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 | Yes |
E.6.7 | Pharmacodynamic | Yes |
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) | 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) | Yes |
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 | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | No |
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 | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 3 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 16 |
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 |
Canada |
France |
Germany |
Netherlands |
Spain |
United Kingdom |
United States |
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E.8.7 | Trial has a data monitoring committee | Yes |
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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Last patient last visit (LPLV) |
Último paciente última visita |
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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 | 4 |
E.8.9.1 | In the Member State concerned months | |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 4 |