Shuttle Pharmaceuticals Holdings, Inc., a clinical stage pharmaceutical company, develops novel therapies to cure cancers. The company is developing Ropidoxuridine, an oral halogenated pyrimidine to treat patients with brain tumors and sarcomas; and SP-2-225, a pre-clinical class IIb product candidate that effects on the regulation of the immune system. It is also developing SP-1-303, a pre-clinical selective Class I HDAC for use in the treatment of ER positive breast cancers; and SP-1-161, a HDAC inhibitor that initiates the mutated in ataxia-telangiectasia response pathway. The company was founded in 2012 and is headquartered in Gaithersburg, Maryland.
Company profile updated October 11, 2026.
As of October 9, 2026. Daily closing data may differ from the live quote shown in the dashboard.
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