PRESS RELEASES

Date Title and Summary Additional Formats
Toggle Summary Prothena Reports Second Quarter 2017 Financial Results and Provides R&D Update
Net cash used in operating and investing activities was $36.3 million in the second quarter and $76.5 million for the first six months of 2017; quarter-end cash and restricted cash position of $475.8 million, provides funding to advance diverse pipeline Initiated, with Roche, the global Phase 2
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Toggle Summary Prothena to Report Second Quarter 2017 Financial Results on August 8
DUBLIN, Ireland, Aug. 01, 2017 (GLOBE NEWSWIRE) -- Prothena Corporation plc (Nasdaq:PRTA), a late-stage clinical biotechnology company focused on the discovery, development and commercialization of novel protein immunotherapies, will announce financial results for the second quarter and first six
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Toggle Summary Prothena Announces Initiation of Phase 2 PASADENA Study of PRX002/RG7935 in Patients with Early Parkinson's Disease
First potentially disease-modifying anti-alpha-synuclein antibody to be evaluated for efficacy in patients with Parkinson's disease Prothena to receive $30 million milestone payment under collaboration agreement with Roche DUBLIN, Ireland, July 05, 2017 (GLOBE NEWSWIRE) -- Prothena Corporation plc
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Toggle Summary Prothena Announces Appointment of Wagner Zago, PhD as Chief Scientific Officer
DUBLIN, Ireland, June 12, 2017 (GLOBE NEWSWIRE) -- Prothena Corporation plc (NASDAQ:PRTA), a late-stage clinical biotechnology company focused on the discovery, development and commercialization of novel protein immunotherapies, announced today the appointment of Wagner Zago, PhD, as Chief
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Toggle Summary Prothena Announces Appointment of Sarah Noonberg, MD, PhD as Chief Medical Officer
DUBLIN, Ireland, May 16, 2017 (GLOBE NEWSWIRE) -- Prothena Corporation plc (NASDAQ:PRTA), a late-stage clinical biotechnology company focused on the discovery, development and commercialization of novel protein immunotherapies, announced today the appointment of Sarah Noonberg, MD, PhD, as Chief
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Toggle Summary Prothena Reports First Quarter 2017 Financial Results and Provides R&D Update
Net cash used in operating and investing activities was $40.2 million in the first quarter; quarter-end cash and restricted cash position of $510.6 million, including net proceeds of $150.3 million raised through March 2017 public equity offering, provides funding to advance R&D pipeline Completed
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Toggle Summary Prothena to Report First Quarter 2017 Financial Results on May 9
DUBLIN, Ireland, May 02, 2017 (GLOBE NEWSWIRE) -- Prothena Corporation plc (Nasdaq:PRTA), a late-stage clinical biotechnology company focused on the discovery, development and commercialization of novel protein immunotherapies, will announce financial results for the first quarter of 2017 on May 9,
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Toggle Summary Prothena to Participate in the Deutsche Bank 42nd Annual Health Care Conference
DUBLIN, Ireland, April 26, 2017 (GLOBE NEWSWIRE) -- Prothena Corporation plc (NASDAQ:PRTA), a late-stage clinical biotechnology company focused on the discovery, development and commercialization of novel protein immunotherapies, today announced that members of its senior management team will
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Toggle Summary Clinical Results Presented from Prothena's Phase 1b Study of PRX002/RG7935 Demonstrating Robust Antibody CNS Penetration and Significant Reduction of Free Serum Alpha-synuclein in Patients with Parkinson's Disease
All dose levels of PRX002/RG7935 found to have an acceptable safety and tolerability profile, meeting the primary objective of this study Robust central nervous system (CNS) penetration demonstrated by a dose-dependent increase in PRX002 levels in cerebrospinal fluid (CSF), and mean concentration
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Toggle Summary Results for Prothena's Phase 1b Multiple Ascending Dose Study of PRX002/RG7935 in Patients with Parkinson's Disease to be Presented at the 13th​ International Conference on Alzheimer's and Parkinson's Diseases
Investor webcast planned for April 2, 2017 at 9:00 AM EDT to discuss Phase 1b study results   Prothena and Roche to co-host symposium on alpha-synuclein pathology and non-motor manifestations in Parkinson's disease on March 31, 2017 at 5:15 CET DUBLIN, Ireland, March 09, 2017 (GLOBE NEWSWIRE) --
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Toggle Summary Prothena Announces Pricing of Public Offering of 2,700,000 Ordinary Shares
DUBLIN, Ireland, March 03, 2017 (GLOBE NEWSWIRE) -- Prothena Corporation plc (NASDAQ:PRTA), a late-stage clinical biotechnology company focused on the discovery, development and commercialization of novel protein immunotherapies, today announced that it has sold 2,700,000 of its ordinary shares at
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Toggle Summary Prothena Announces Public Offering of Ordinary Shares
DUBLIN, Ireland, March 02, 2017 (GLOBE NEWSWIRE) -- Prothena Corporation plc (Nasdaq:PRTA), a late-stage clinical biotechnology company focused on the discovery, development and commercialization of novel protein immunotherapies, today announced that it has commenced a registered underwritten
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Toggle Summary Prothena Reports Fourth Quarter and Full Year 2016 Financial Results, and Provides Financial Guidance and R&D Update
Net cash used in operating and investing activities was $41.1 million in the fourth quarter and $133.9 million for the full year 2016; year-end cash and restricted cash position of $391 million supports advancement of clinical pipeline            Presented results in an oral presentation at ASH
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Toggle Summary Prothena to Participate in the Leerink Partners 6th Annual Global Healthcare Conference
DUBLIN, Ireland, Feb. 08, 2017 (GLOBE NEWSWIRE) -- Prothena Corporation plc (NASDAQ:PRTA), a late-stage clinical biotechnology company focused on the discovery, development and commercialization of novel protein immunotherapies, today announced that members of its senior management team will
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Toggle Summary Prothena to Report Fourth Quarter and Full Year 2016 Financial Results and Host Webcast Conference Call on February 14
DUBLIN, Ireland, Feb. 01, 2017 (GLOBE NEWSWIRE) -- Prothena Corporation plc (Nasdaq:PRTA), a late-stage clinical biotechnology company focused on the discovery, development and commercialization of novel protein immunotherapies, announced today that it will report its fourth quarter and full year
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