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PRTA vs SHPH

Prothena Corporation plc Ordinary Shares and Shuttle Pharmaceuticals Holdings, Inc. Common Stock

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Prothena Corporation plc Ordinary Shares

Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation in the United States. Its product pipeline include Prasinezumab, an investigational humanized monoclonal antibody which is in phase 2b clinical trial, as well as phase 1 and 2 clinical trials for the treatment of parkinson's disease and other synucleinopathies. The company also develops Coramitug, an investigational antibody, which is in phase 2 clinical trial for potential treatment of transthyretin amyloidosis; BMS-986446, an investigational antibody, which is in phase 2 clinical trial to treat Alzheimer's disease; PRX012, an investigational antibody, which is in phase 1 clinical trial to treat Alzheimer's disease; PRX123, a Dual Aß-Tau Vaccine, which is in preclinical trial for treating Alzheimer's disease; and PRX019, an investigational antibody, which is in phase 1 clinical trial for the potential treatment of neurodegenerative diseases. It has a license, development, and commercialization agreement with F. Hoffmann-La Roche Ltd. and Hoffmann-La Roche Inc. to develop and commercialize antibodies that target a-synuclein, including prasinezumab; and master collaboration agreement with Bristol Myers Squibb to develop and commercialize antibodies targeting tau, TDP-43. Prothena Corporation plc was incorporated in 2012 and is based in Dublin, Ireland.

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Shuttle Pharmaceuticals Holdings, Inc. Common Stock

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.

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