帕比司他 (Farydak)

概览

Panobinostat is a non-selective histone deacetylase inhibitor used to treat multiple myeloma in combination with other antineoplastic agents.

作用机制

Panobinostat is a deacetylase (DAC) inhibitor. DACs, also known as histone DACs (HDAC), are responsible for regulating the acetylation of about 1750 proteins in the body; their functions are involved in many biological processes including DNA replication and repair, chromatin remodelling, transcription of genes, progression of the cell-cycle, protein degradation and cytoskeletal reorganization. In multiple myeloma, there is an overexpression of DAC proteins. Panobinostat inhibits class I (HDACs 1, 2, 3, 8), class II (HDACs 4, 5, 6, 7, 9, 10) and class IV (HDAC 11) proteins. Panobinostat's antitumor activity is believed to be attributed to epigenetic modulation of gene expression and inhibition of protein metabolism. Panobinostat also exhibits cytotoxic synergy with bortezomib, a proteasome inhibitor concurrently used in treatment of multiple myeloma.

适应症

Panobinostat is indicated in the treatment of multiple myeloma in combination with dexamethasone and bortezomib in patients who have received 2 previous treatment regimens including bortezomib and an immunomodulatory agent. This indication is approved by accelerated approval based on progression free survival as of February 23, 2015.

• Refractory Multiple Myeloma