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Phase II Trial of Natalizumab + Prednisone for Initial Therapy of Acute GI GVHD

7 de abril de 2020 actualizado por: Corey S. Cutler, MD, MPH, Dana-Farber Cancer Institute

Phase II Trial of Natalizumab (Tysabri®) Plus Prednisone for Initial Therapy of Acute Graft Versus Host Disease (aGVHD) of the Gastrointestinal Tract

This research study is a Phase II clinical trial, which tests the safety and effectiveness of an investigational drug Natalizumab in treating Acute Graft-Versus-Host Disease (GVHD) in the Gastrointestinal (GI) Tract.

Descripción general del estudio

Estado

Terminado

Condiciones

Intervención / Tratamiento

Descripción detallada

Natalizumab is a drug that was initially discovered as a treatment for autoimmune conditions. Natalizumab has been approved for use in patients with Multiple Sclerosis and Crohn's disease. In these diseases, the drug works to inhibit dysfunctional immune cells that are responsible for the symptoms seen in these diseases. Acute graft versus host disease is caused by a similar dysfunction of immune cells; Natalizumab is thought to inhibit these immune cells, similarly to how it does in Multiple Sclerosis and Crohn's disease. In this research study,the investigators are looking to see whether Natalizumab provides additional benefit to patients receiving standard treatment for acute graft versus host disease of the gastrointestinal tract.

Participants who fulfill eligibility criteria will be entered into the trial to receive Natalizumab.

  • Participant will receive a dose of the natalizumab through intravenous infusion. Participants may receive a second dose at Day 28 if they experience a partial response or very good partial response.
  • Scheduled Physical Examination at screening, during the week of first dose and at 28 days, 56 days, 100 days, 180 days and one year.

Tipo de estudio

Intervencionista

Inscripción (Actual)

21

Fase

  • Fase 2

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Ubicaciones de estudio

  • Estados Unidos
    • Massachusetts
      • Boston, Massachusetts, Estados Unidos, 02115
        • Dana-Farber Cancer Institute
      • Boston, Massachusetts, Estados Unidos, 02114
        • Massachusetts General Hospital

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

18 años y mayores (Adulto, Adulto Mayor)

Acepta Voluntarios Saludables

No

Géneros elegibles para el estudio

Todos

Descripción

Inclusion Criteria:

  • Participants must meet the following criteria on screening examination to be eligible to participate in the study:
  • Participants must have acute Graft-Versus-Host Disease (GVHD) of the lower gastrointestinal tract as defined by the clinical impression of the treating physician, requiring systemic treatment. Minimum criteria for GI GVHD includes diarrhea of greater than 500 mL/day. Biopsy of the GI tract is required for study entry and must confirm the diagnosis of acute GVHD. Stool samples to rule out infectious causes of diarrhea, including norovirus, Clostridium difficile and other clinically indicated infections must also be negative. Eligibility includes:
  • Acute GVHD developing after allogeneic hematopoietic stem cell transplantation (HSCT) using bone marrow, peripheral blood stem cells, or umbilical cord blood. Recipients of non-myeloablative, reduced intensity and myeloablative transplants are eligible.
  • Patients who develop acute GVHD after donor lymphocyte infusion (DLI) are eligible.
  • There is no specified time window after day 0 of transplant as acute GVHD is only defined by clinical manifestations.
  • Patients must have experienced neutrophil engraftment after HSCT as defined by absolute neutrophil counts ≥ 500 / µL × 3 consecutive measurements. Absolute neutrophil count (ANC) should be calculated using the standard formula (Neut + Bands)(WBC × 101).
  • The presence of hepatic, upper GI and/or cutaneous acute GVHD is permitted.
  • Steroids can be started up to 7 days prior to the administration of natalizumab.
  • Age ≥ 18
  • Ability to understand and the willingness to sign a written informed consent document.

Exclusion Criteria

  • Participants who exhibit any of the following conditions at screening will not be eligible for admission into the study:
  • Patients with the entity of Acute/Chronic GVHD overlap syndromes.
  • Requiring mechanical ventilation
  • Vasopressor requirement
  • Concurrent hepatic veno-occlusive disease (VOD) based on clinical examination
  • Karnofsky performance status < 30
  • Participants may not be receiving any other study agents for at least 7 days prior to enrollment
  • Prior use of natalizumab for any reason is not allowed
  • Pregnant women are excluded from this study because of the potential teratogenic effects of natalizumab. Because natalizumab enters breast milk, and the effect is unknown in infants, breastfeeding should be discontinued if the mother is treated with natalizumab.

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

  • Propósito principal: Tratamiento
  • Asignación: N / A
  • Modelo Intervencionista: Asignación de un solo grupo
  • Enmascaramiento: Ninguno (etiqueta abierta)

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Experimental: Natalizumab

Natalizumab-

  • (Day 0 and 28) Fixed dose Intravenous infusion over one hour. 2 hours observation completion of the infusion
  • At 4 weeks, if there has been less than a complete response participants can be treated with a second dose of natalizumab.
  • If participants have no response after one dose, they will be not be given a second dose.
  • Participants who receive a second dose of natalizumab will be evaluated for response at day 56 after first treatment dose administered.
  • Participants will be assessed for response to therapy with natalizumab at day +28, day +56, day +100, day + 180, and day +365.
  • Commercial supplies of Methylprednisolone (or equivalent steroid) will be utilized. The formulation, preparation and route of administration will be as per package insert
Droga: Metilprednisolona
Otros nombres:
  • Esteroide
Droga: Natalizumab
Otros nombres:
  • Tysabri®

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
GVHD-free Survival Rate
Periodo de tiempo: Day 56
Graft-versus-host disease (GVHD) free survival is defined as achieving complete response without death or relapse or requiring secondary immunosuppressive therapy . Proportions are reported descriptively. GVHD-free survival was assessed using the Kaplan-Meier method.
Day 56

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Graft-verus-host Disease (GVHD) Response Rate
Periodo de tiempo: 28 Days, 56 Days
  • Complete Response (CR) is defined as resolution of all signs and symptoms of acute GVHD.
  • Very Good Partial Response (VGPR) is defined by no rash or residual erythematous rash involving less than 25% of the body surface, and total serum bilirubin concentration less than 2 mg/dL or less than 25% of baseline at enrollment and tolerating food or enteral feeding, predominantly formed stools, no overt gastrointestinal bleeding or abdominal cramping, and no more than occasional nausea and vomiting.
  • Partial Response (PR) is defined as an improvement of one stage in one or more organs without progression in any other organ.
  • Non-response (NR) is defined as no reduction in any GVHD organ staging.
  • Progression is defined as either new organ involvement on day +8 or thereafter, or increased organ specific symptoms sufficient to increase the organ stage by one or more or the initiation of an additional GVHD agent.
  • Overall Response Rate (ORR) is the sum of CR, VGPR, and PR.
28 Days, 56 Days
GI aGVHD Response Rate
Periodo de tiempo: Day 28, Day 56
Gastrointestinal (GI) acute graft-versus-host disease (GVHD) Response is defined by complete response, very good partial response, or partial response in signs and symptoms of GI aGVHD.
Day 28, Day 56
Overall Survival (OS) Rate
Periodo de tiempo: 2 years
Overall survival (OS) is defined from the date of natalizumab infusion to death or censored at last clinical evaluation. OS was estimated using the Kaplan-Meier method.
2 years
Rate of GVHD Flares
Periodo de tiempo: by Day 28
Number of subjects who experienced graft-versus-host disease (GVHD) flares requiring therapy after initial complete response (CR) or partial response (PR) by day 28 after the first dose of Natalizumab.
by Day 28
Percentage Steroid Dose Was Reduced at Day 28, 56, and 100 in Comparison to Steroid Dose at First Administration of Natalizumab.
Periodo de tiempo: Day 28, 56, and 100
Median percentage steroid dose was reduced at Day 28, Day 56, and Day 100 in comparison to steroid dose at first administration of Natalizumab.
Day 28, 56, and 100

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Patrocinador

Dana-Farber Cancer Institute

Colaboradores

Biogen

Investigadores

  • Investigador principal: Corey Cutler, MD, MPH, Dana-Farber Cancer Institute

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio

1 de enero de 2015

Finalización primaria (Actual)

1 de febrero de 2019

Finalización del estudio (Actual)

1 de febrero de 2019

Fechas de registro del estudio

Enviado por primera vez

25 de junio de 2014

Primero enviado que cumplió con los criterios de control de calidad

25 de junio de 2014

Publicado por primera vez (Estimar)

26 de junio de 2014

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

17 de abril de 2020

Última actualización enviada que cumplió con los criterios de control de calidad

7 de abril de 2020

Última verificación

1 de abril de 2020

Más información

Términos relacionados con este estudio

Palabras clave

Términos MeSH relevantes adicionales

Otros números de identificación del estudio

  • 14-140

Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .

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