• Lenalidomide is an anti-tumor drug developed by Celgene biopharmaceutical company. The chemical structure is similar to thalidomide, which has multiple functions such as anti-tumor, immune regulation and anti-angiogenesis.
• Lenalidomide inhibits the secretion of proinflammatory cytokines and increases the secretion of anti-inflammatory cytokines in peripheral blood monocytes.
• Lenalidomide can also inhibit the expression of cyclooxygenase 2(cox-2), but it has no effect on cox-1.
• Lenalidomide besides can be used to treat MDS and MM, for multiple myeloma, leukemia, metastatic renal cell carcinoma, solid tumor, idiopathic generalized the degeneration amylum and with marrow unripe systemic bone marrow fibrosis disease have certain curative effect.
• Lenalidomide is currently the most effective drug to treat multiple myeloma.

Qingdao Sigma Chemical Co.,Ltd is a global chemical industry manufacturers and suppliers of pharmaceuticals 

and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.

The aim of Qingdao Sigma Chemical Co.,Ltd is a quality policy that "Elements in the system 

all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.