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Prothena Announces PRX004 Phase 1 Study Results Selected for Emerging Science Oral Presentation at AAN 2021

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Prothena Corporation plc (NASDAQ:PRTA) announced that results from its Phase 1 study of PRX004 in ATTR amyloidosis will be presented at the American Academy of Neurology (AAN) 2021 Virtual Annual Meeting on April 18. The study, led by Dr. Ole Suhr, indicates positive outcomes showcasing PRX004’s novel depleter mechanism. Dr. Hideki Garren emphasized the need for new therapies for advanced ATTR cardiomyopathy patients. The oral presentation will include data and a Q&A session, highlighting the potential of PRX004 in treating a deadly disease.

Positive
  • Results from Phase 1 study of PRX004 demonstrate promising outcomes in ATTR amyloidosis.
  • The upcoming presentation at the AAN 2021 highlights the potential novel depleter mechanism of PRX004.
Negative
  • None.

DUBLIN, Ireland, April 15, 2021 (GLOBE NEWSWIRE) -- Prothena Corporation plc (NASDAQ:PRTA), a late-stage clinical company with expertise in protein dysregulation and a pipeline of investigational therapeutics for rare peripheral amyloid and neurodegenerative diseases, today announced that results from its Phase 1 study of PRX004 in ATTR amyloidosis have been selected for an oral presentation as part of the Emerging Science Session on Sunday, April 18th at the American Academy of Neurology (AAN) 2021 Virtual Annual Meeting. The results will be presented by Dr. Ole Suhr, Senior Professor, Department of Public Health and Clinical Medicine, Umeå University, a gastroenterologist and internist who was a principal investigator in the study. The positive results from this study were previously highlighted by Prothena in December 2020.

“We are pleased to share these data that highlight the potential of PRX004’s novel depleter mechanism at the upcoming AAN conference,” commented Dr. Hideki Garren, Prothena’s Chief Medical Officer. “New therapies are needed to treat this deadly disease, especially for patients with more advanced ATTR cardiomyopathy who are at high risk of early mortality due to amyloid deposition, and we look forward to advancing PRX004 for these patients.”

The oral presentation and Q&A are scheduled as follows:

  • Session: Emerging Science Session
  • Date and Time: Sunday, April 18th, 3:00 – 4:30 PM Eastern Time
  • Title and ID: Neurological and Cardiac Improvements with PRX004 in Amyloidosis Patients: Results of a Phase 1 Study (Session ID Number 70002)
    • Data Presentation, 3:00 – 3:44 PM
    • Q&A Breakout, 3:45 – 4:30 PM

About Prothena

Prothena Corporation plc is a late-stage clinical company with expertise in protein dysregulation and a pipeline of novel investigational therapeutics with the potential to change the course of devastating rare peripheral amyloid and neurodegenerative diseases. Fueled by its deep scientific expertise built over decades of research, Prothena is advancing a pipeline of therapeutic candidates for a number of indications and novel targets for which its ability to integrate scientific insights around neurological dysfunction and the biology of misfolded proteins can be leveraged. Prothena’s pipeline includes both wholly-owned and partnered programs being developed for the potential treatment of diseases including AL amyloidosis, ATTR amyloidosis, Alzheimer’s disease, Parkinson’s disease and a number of other neurodegenerative diseases.

Contacts:

Media
Ellen Rose, Head of Communications
650-922-2405, ellen.rose@prothena.com

Investors
Jennifer Zibuda, Director, Investor Relations & Communications
650-837-8535, jennifer.zibuda@prothena.com


FAQ

What are the results of the Phase 1 study for PRX004 presented by Prothena?

The Phase 1 study results for PRX004 indicate positive outcomes in treating ATTR amyloidosis, highlighting its novel depleter mechanism.

When will Prothena present the data from PRX004's Phase 1 study?

Prothena will present the data on April 18, 2021, during the Emerging Science Session at the AAN 2021 Virtual Annual Meeting.

What is the significance of PRX004 for ATTR amyloidosis patients?

PRX004 has the potential to provide new treatment options for patients with advanced ATTR amyloidosis, particularly those at high risk of early mortality.

Who is presenting the PRX004 study results at the AAN conference?

Dr. Ole Suhr, a Senior Professor and principal investigator, will present the study results at the AAN conference.

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