Combination of blys inhibition and/or april inhibition and...

A - Human Necessities – 61 – K

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Details

A61K 45/06 (2006.01) A61K 31/365 (2006.01) A61K 38/19 (2006.01) A61P 37/06 (2006.01)

Patent

CA 2681728

The invention relates to novel combination therapies involving BLyS or BLyS/APRIL inhibition and immunosuppressants for the treatment of autoimmune diseases. One preferred method is where the BLyS and/or APRIL antagonist is a Fc-fusion protein which can be a TACI-Fc-fusion protein comprising the extracellular domain of TACI or a functional fragment thereof, a BAFF-R-Fc-fusion protein comprising the extracellular domain of BAFF-R or a functional fragment thereof, or a BCMA-Fc-fusion protein comprising the extracellular domain of BCMA or a functional fragment thereof. In the methods of the present invention some of the immunosuppressive drugs contemplated include cyclophosphamide (CYC), azathioprine (AZA), cyclosporine A (CSA), or mycophenolate mofetil (MMF), although any drug that suppresses the immune system may be suitable. The methods of the present invention reduce the levels of various immunoglobulins in patients in need of such reduction, such as those suffering from autoimmune diseases.

Combinaison d'inhibition de BLys et/ou d'inhibition d'APRIL et immunosuppresseurs destinés au traitement de maladies autoimmunes ABSTRACT: La présente invention concerne de nouvelles thérapies combinatoires impliquant l'inhibition BLyS ou BLyS/APRIL et des immunosuppresseurs destinés au traitement de maladies autoimmunes. Dans l'un des procédés préférés, l'antagoniste BLyS et/ou APRIL est une protéine de fusion-Fc qui peut être une protéine de fusion TACI-Fc comprenant le domaine extracellulaire de TACI ou un fragment fonctionnel de celui-ci, une protéine de fusion BAFF-R-Fc comprenant le domaine extracellulaire de BAFF-R ou un fragment fonctionnel de celui-ci, ou une protéine de fusion BCMA-Fc comprenant le domaine extracellulaire de BCMA ou un fragment fonctionnel de celui-ci. Dans les procédés de la présente invention, certains des médicaments immunosuppresseurs envisagés incluent de la cyclophosphamide (CYC), de l'azathioprine (AZA), de la cyclosporine A (CSA) ou du mycophénolate mofétil (MMF); toutefois, tout médicament permettant la suppression du système immunitaire est adapté. Les procédés de la présente invention réduisent les niveaux d'immunoglobulines variées chez des patients ayant besoin d'une telle réduction, tels que ceux qui souffrent de maladies autoimmunes.

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