Factory Supply Intermediate |Palbociclib|CAS NO 571190-30-2

ChEBI: A member of the class of pyridopyrimidines that is 2-{[5-(piperazin-1-yl)pyridin-2-yl]amino}pyrido[2,3-d]pyrimidin-7-one bearing additional methyl, acetyl and cyclopentyl substituents at positions 5, 6 and 8 respectively. It is used in combina ion with letrozole for the treatment of metastatic breast cancer.

Uses:Palbociclib (also known as compound number PD-0332991) is an experimental drug for the treatment of breast cancer being developed by Pfizer. It is a selective inhibitor of the cyclin-dependent kinases CDK4 and CDK6.

Description:Palbociclib is a cyclin-dependent kinase (CDK) 4 and CDK6 inhibitor approved by the FDA to treat hormone receptor-positive (HR+) human epidural growth factor 2-negative (HER2-) metastatic breast cancer. It is used in combination with letrazole as the first-line hormonal-based therapy in postmenopausal women, or with fulvestrant in women with disease progression following hormonal therapy. Palbociclib was discovered at Warner- Lambert and developed by Pfizer after their merger. Pfizer is also studying the effectiveness of palbociclib in a variety of other cancers at various stages in the clinic.

Indications:Palbociclib (Ibrane(R), Pfizer), a selective CDK4 and CDK6 inhibitor, received accelerated approval from FDA in 2015 for women with estrogen receptor-positive and HER2-negative breast cancer in combination with letrozole.

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