Alefacept in Kidney Transplant Recipients
Effects of Alefacept on Donor-Specific Memory in Kidney Transplant Recipients
Alefacept, also known as Amevive®, is a medication approved by the Food and Drug Administration (FDA) in the United States and other countries for the treatment of psoriasis, which is a chronic inflammatory immunological skin condition that can result in chronic dry, red patches that are covered in scales. Alefacept is approved by the FDA for the treatment of psoriasis but not as an anti-rejection medication in transplant patients. It is now being tested in new kidney transplant patients as a supplement to other approved anti-rejection drugs. Alefacept will be used as an investigational drug in this study.
The reason for this study is to test whether using Alefacept will inhibit T cells, known as memory cells, using a test named ELISPOT-IFN. In patients with psoriasis, Alefacept inhibits these memory cells. If memory cells specific to your donor can be inhibited by this drug, it might prevent rejection and promote acceptance of the transplanted kidney in a unique manner.
Descripción general del estudio
Tipo de estudio
Fase
- No aplica
Contactos y Ubicaciones
Ubicaciones de estudio
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Ohio
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Cleveland, Ohio, Estados Unidos, 44106
- University Hospitals Case Medical Center
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Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Descripción
Inclusion Criteria:
- Able and willing to sign informed consent
- Adult (>18years) kidney-alone transplant recipient
- 6 months post-transplant
- Persistently positive donor-stimulated ELISPOT-IFN (≥30 spots/300K cells)-2 positive assays separated by at least one week
- Female subjects of child bearing potential must have a negative urine or serum pregnancy test within 7 days prior to enrollment and must agree to maintain effective birth control during the study
Exclusion Criteria:
- Baseline CD4 count <250 cells/uL
- Acute rejection episode within the 3 months prior to enrollment
- Clinically overt infection within the 3 months prior to enrollment
- History of BK polyoma viremia
- Recipient or donor is known to be seropositive for human immunodeficiency virus (HIV)
- Subject has a current malignancy or a history of malignancy (within the past 5 years), except non-metastatic basal or squamous cell carcinoma of the skin that has been treated successfully
- Any major illnesses/condition that, in the investigator's judgment, will substantially increase the risk associated with the subject's participation in and completion of the study, or could preclude the evaluation of the subject's response
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
- Asignación: N / A
- Modelo Intervencionista: Asignación de un solo grupo
- Enmascaramiento: Ninguno (etiqueta abierta)
Armas e Intervenciones
Grupo de participantes/brazo |
Intervención / Tratamiento |
|---|---|
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Experimental: Alefacept action on memory T cells
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Alefacept 15mg subcutaneous; once a week for 12 weeks
Otros nombres:
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¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Periodo de tiempo |
|---|---|
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Absolute changes in ELISPOTS, PRT (Panel Reactive T Cells), and lymphocyte subsets will be analyzed using paired t-tests to compare baseline vs 4, 8, 12, 16, and 24 weeks of follow-up
Periodo de tiempo: 12, 24, and 36 months
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12, 24, and 36 months
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Medidas de resultado secundarias
Medida de resultado |
Periodo de tiempo |
|---|---|
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The incidence of clinically overt infections will be descriptive or calculated as a simple percentage.
Periodo de tiempo: 12, 24, and 36 months
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12, 24, and 36 months
|
Colaboradores e Investigadores
Patrocinador
Colaboradores
Investigadores
- Investigador principal: Donald E Hricik, MD, University Hospitals Cleveland Medical Center
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio
Finalización primaria (Anticipado)
Finalización del estudio (Anticipado)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Estimar)
Actualizaciones de registros de estudio
Última actualización publicada (Estimar)
Última actualización enviada que cumplió con los criterios de control de calidad
Última verificación
Más información
Términos relacionados con este estudio
Términos MeSH relevantes adicionales
Otros números de identificación del estudio
- 02-11-06
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