Prothena Public Limited (PRTA) Quarterly and Annual Segment Results by Country and Region - CSIMarket
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Prothena Corporation Public Limited Company  (NASDAQ: PRTA)

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Description of Prothena Public Limited's Business Segments


Prothena Corporation Public Limited Company is a biotechnology firm focused on developing innovative therapies for neurodegenerative diseases and other serious conditions. Their efforts are largely centered on monoclonal antibodies and other protein-based therapeutics that target various pathways involved in disease processes.

Segments

Prothena operates primarily in the following segments within the biotechnology and pharmaceutical industry:

1. Neurodegenerative Disease Therapeutics: This is Prothena’s core area of focus. The company aims to address diseases characterized by the progressive degeneration of the structure and function of the nervous system, such as Alzheimers disease, Parkinsons disease, and other tau-related disorders.

2. Immunotherapies: The company also explores immunotherapy treatments—using the body’s immune system to fight diseases. This segment includes products designed to harness or enhance the immune response against specific targets.

3. Monoclonal Antibodies: Prothena specializes in monoclonal antibody therapies, which are engineered to target specific proteins involved in disease progression. These antibodies can be designed to either inhibit pathological processes or promote beneficial responses.

4. Partnerships and Collaborations: Prothena actively engages in collaborations with other biotechnology and pharmaceutical companies to enhance research and development of their therapeutic candidates. These partnerships can range from co-development agreements to licensing deals.

Products

While Prothena has a number of clinical candidates in its pipeline, the following products are noteworthy:

1. PRX002 / ABBV-181: This is a monoclonal antibody developed for the treatment of Parkinsons disease by targeting alpha-synuclein, a key protein implicated in the pathology of the disease. Prothena has partnered with AbbVie to further the development of this candidate.

2. PRX005: This is another monoclonal antibody targeting tau, a protein associated with neurodegeneration, particularly in tauopathies like Alzheimers disease. The goal with PRX005 is to provide a potential disease-modifying treatment.

3. PRX004: Similar in its focus on tau pathology, this therapeutic candidate is being investigated for its potential to treat conditions where tau aggregation plays a critical role.

4. PRX011: A candidate addressing specific protein aggregates that may contribute to neurodegenerative diseases. The details of this product may revolve around the underlying mechanisms of protein misfolding and aggregation.

Services

Alongside its product offerings, Prothena also provides certain services related to biotechnology development, including:

1. Research and Development Services: Engaging in extensive R&D to explore new therapeutic targets, optimize drug candidates, and conduct preclinical and clinical studies.

2. Partnership Development: Prothena plays a role in forming strategic partnerships to enhance the development of their candidates, offering co-development opportunities to other entities.

3. Regulatory Support: Providing guidance and support in navigating the various regulatory requirements associated with clinical trials and product commercialization.

4. Scientific Consultation: Offering insights and expertise in biotherapeutic development and the underlying science of neurodegenerative disorders.

Through this extensive combination of segments, products, and services, Prothena Corporation positions itself as a key player in addressing significant health challenges associated with neurodegenerative diseases. Their focus on innovative monoclonal antibodies and collaborations aims to bring transformative therapies to market and improve patient outcomes.


(Mar 31 2026) three months ended Q1
Business Segments Revenues
(in millions $)
Income
(in millions $)
%
(Profit Margin)
Total 51.08 32.72 64.05 %

(Mar 31 2026) three months ended Q1
Revenue Growth rates by Segment Y/Y Revenue
%
Q/Q Revenue
%
Total 1706.36 % 243157.14 %

(Mar 31 2026) three months ended Q1
Income Growth rates by Segment Y/Y Income
%
Q/Q Income
%
Total - -


Annual Report on Prothena Corporation Public Limited Company Divisions, Sales by Country

 


Twelve months ended 2025
PRTA s Annual Revenue by Geography and Business Segments Sales
(in millions $)
%
(of total Sales)
Total 9.68 100 %


Twelve months ended 2025
PRTA s Annual Income by Country and Business Segments Income
(in millions $)
%
(Profit Margin)
Total -244.09 -

Twelve months ended 2025
Annual Revenue and Income Growth by Country and Business Segments % Y/Y Sales Growth % Y/Y Income Growth
Total -92.83 % -



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