Anti-proliferative agents for treating PAH
Pulmonary hypertension and related diseases, like pulmonary arterial hypertension, can be treated by administering an effective dose of a CDK inhibitor, including palbociclib, 6-acetyl-8-cyclopentyl-5-methyl-2-{[5-(piperazin-1-yl)pyridin-2yl]amino}pyrido[2,3-d]pyrimidin-7(8H)-one, or pharmaceutically acceptable salt thereof.
1. A method for treating pulmonary artery hypertension (PAH) in a human in need thereof, which method comprises administering to the human an effective amount of an inhibitor of CDK4 and CDK6 selected from the group consisting of:
6-acetyl-8-cyclopentyl-5-methyl-2-{[5-(piperazin-1-yl)pyridin-2yl]amino}pyrido[2,3-d[pyrimidin-7(8H)-one,
7-cyclopentyl-N, N-dimethyl-2-((5-(piperazin-1-yl)pyridin-2-yl)amino)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide, or
2-pyrimidinamine, N-(5-((4-ethyl-1-piperazinyl)methyl)-2-pyridinyl)-5-fluoro-4-(4-fluoro-2-methyl-1-(1-methylethyl)-1H-benzimidazol-6-yl),
or pharmaceutically acceptable salts thereof.
2. The method of claim 1 , wherein the inhibitor of CDK4 and CDK6 is 7-cyclopentyl-N,N-dimethyl-2-((5-(piperazin-1-yl)pyridin-2-yl)amino)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide, or pharmaceutically acceptable salts thereof.
3. The method of claim 1 , wherein the inhibitor of CDK4 and CDK6 is 2-pyrimidinamine, N-(5-((4-ethyl-1-piperazinyl)methyl)-2-pyridinyl)-5-fluoro-4-(4-fluoro-2-methyl-1-(1-methylethyl)-1H-benzimidazol-6-yl), or pharmaceutically acceptable salts thereof.