Prothena down 16% as Parkinson's drug flops in mid-stage study [Seeking Alpha]
Prothena Corporation plc - Ordinary Shares (PRTA)
Last prothena corporation plc - ordinary shares earnings: 2/12 04:05 pm
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Healthcare|On the MoveProthena down 16% as Parkinson's drug flops in mid-stage studyApr. 22, 2020 10:11 AM ETProthena Corporation plc (PRTA)Douglas W. HouseThinly traded micro cap Prothena (-16.3%updateOTCQX:RHHBYPASADENAPart 1 of the study failed to achieve the primary endpoint of the change from baseline in a scale called MDS-UPDRS Total Score at week 52."Signs of efficacy" were observed on multiple secondary endpoints. Roche is evaluating the data as it determines next steps.Part 2 is a 52-week extension phase for on-treatment patients.The company is collaborating with Roche on development under aDecember 2013 agreementPrasinezumab is a humanized monoclonal antibody that binds to a protein called alpha-synuclein that is found primarily in brain tissue and linked to PD via itsinterferenceSee all stocks on the move »Now read:Adamis Pharmaceuticals: Trying To Find A Course Of Action »
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News
- Prothena Announces up to $100 Million Share Repurchase Plan [Yahoo! Finance]Yahoo! Finance
- Prothena Announces up to $100 Million Share Repurchase PlanBusiness Wire
- Prothena (NASDAQ:PRTA) had its price target raised by analysts at Royal Bank Of Canada from $11.00 to $12.00. They now have a "sector perform" rating on the stock.MarketBeat
- Prothena Corp PLC (PRTA) Q4 2025 Earnings Call Highlights: Strategic Advancements and Financial ... [Yahoo! Finance]Yahoo! Finance
- Prothena Q4 Earnings Call Highlights [Yahoo! Finance]Yahoo! Finance
PRTA
Earnings
- 2/19/26 - Beat
PRTA
Sec Filings
- 3/5/26 - Form 4
- 3/5/26 - Form 4
- 3/5/26 - Form 4
- PRTA's page on the SEC website