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Traws Pharma Doses First Patient with Ratutrelvir in Phase 2 COVID Studies, Expects Results by Year-End 2025
Globenewswire· 2025-10-14 11:00
Core Insights - Traws Pharma is conducting a Phase 2 study to evaluate ratutrelvir, a ritonavir-free antiviral treatment for COVID-19, with top-line data expected by year-end 2025 [1][2][3] Group 1: Company Overview - Traws Pharma, Inc. is a clinical-stage biopharmaceutical company focused on developing novel therapies for respiratory viral diseases [5] - The company aims to address critical health threats, including COVID-19, Long COVID, bird flu, and seasonal influenza [5] Group 2: Product Development - Ratutrelvir is designed as an oral, small molecule Mpro (3CL protease) inhibitor, showing in vitro activity against various virus strains [3] - The treatment does not require co-administration with ritonavir, potentially avoiding drug-drug interactions and expanding patient eligibility [3] - Phase 1 studies indicate that ratutrelvir maintains target blood plasma levels approximately 13 times above the EC50, which may reduce the likelihood of clinical rebound and Long COVID risk [3] Group 3: Clinical Trials - The first trial compares ratutrelvir against PAXLOVID, evaluating safety, infection rates, COVID symptoms, disease rebound, and Long COVID incidence [2] - A second trial will assess ratutrelvir's safety and efficacy in PAXLOVID-ineligible patients, a vulnerable population with limited treatment options [2] - Results from both Phase 2 studies are anticipated by the end of 2025 [2] Group 4: Market Potential - The COVID treatment market represents a potential multi-billion dollar opportunity, highlighting the significance of effective antiviral therapies [3]
Traws Pharma Adds John Leaman, MD, as Independent Director and Formalizes Appointments of Two Key Executives
Globenewswire· 2025-10-06 11:00
Core Insights - Traws Pharma, Inc. has appointed Dr. John Leaman as an independent director to its board, effective October 1, 2025, and has removed the interim titles of its key executives, indicating strong board support for the leadership team [1][2][6] Company Developments - Dr. Leaman brings over a decade of experience in finance, M&A, and corporate strategy, which is expected to be valuable as the company prepares for Phase 2 studies of its lead product, ratutrelvir, aimed at treating COVID-19 [2][3] - The removal of interim titles for CEO Iain Dukes and CFO Charles Parker signifies the board's confidence in their leadership [1][2] Product Pipeline - Ratutrelvir is an investigational oral small molecule designed to treat SARS-CoV-2/COVID-19 without the need for ritonavir, showing promising preclinical and Phase 1 study results [7] - The pharmacokinetic profile of ratutrelvir indicates maintenance of target blood plasma levels approximately 13 times above the EC50 with a dosing regimen of 600 mg/day for ten days, potentially reducing the risk of Long COVID [7] - Tivoxavir marboxil (TXM) is another investigational product targeting bird flu and seasonal influenza, demonstrating potent in vitro activity against various influenza strains [8][9] Market Opportunity - The COVID treatment market represents a potential multi-billion dollar opportunity, driven by ongoing health challenges and the need for effective antiviral therapies [7] - Seasonal influenza and bird flu treatments also present significant market potential, supported by global health initiatives and government tenders [8][9]
Traws Pharma Receives Approval to Proceed with Phase 2 COVID Studies with Ratutrelvir, Expects Results by Year-End 2025
GlobeNewswire News Room· 2025-08-18 11:00
Core Viewpoint - Traws Pharma is advancing the development of ratutrelvir, a ritonavir-free treatment for COVID-19, through two Phase 2 trials aimed at evaluating its safety and efficacy compared to PAXLOVID®, with top-line data expected by the end of 2025 [1][2][3]. Group 1: Company Overview - Traws Pharma, Inc. is a clinical-stage biopharmaceutical company focused on developing novel therapies for respiratory viral diseases, including COVID-19 and Long COVID [6]. - The company integrates antiviral drug development with medical intelligence and regulatory strategy to address challenges in treating viral diseases [6]. Group 2: Product Development - Ratutrelvir is an investigational oral small molecule Mpro (3CL protease) inhibitor designed to treat SARS-CoV-2 without the need for ritonavir, potentially avoiding drug-drug interactions [3]. - Preclinical and Phase 1 studies indicate that ratutrelvir maintains target blood plasma levels significantly above the effective concentration, which may reduce the likelihood of clinical rebound and Long COVID [3]. Group 3: Market Context - In Q2 2025, Pfizer reported $427 million in sales for PAXLOVID®, marking a 70% increase from the same period the previous year, highlighting the ongoing demand for effective COVID-19 treatments [2]. - The rapid emergence of new viral variants, such as NB.1.8.1, which now accounts for 40% of COVID cases, underscores the need for effective antiviral therapies [2]. Group 4: Clinical Trials - The first trial will compare ratutrelvir against PAXLOVID® in newly diagnosed COVID patients, while a second trial will focus on PAXLOVID®-ineligible patients, a vulnerable group with limited treatment options [1][2]. - Results from both Phase 2 studies are anticipated by the end of 2025, which could provide critical proof-of-concept data for ratutrelvir [2].
RedHill Biopharma Secures Allowance of Key Chinese Patent Application for Proprietary COVID-19 Treatment, RHB-107
Prnewswire· 2025-04-28 11:03
Core Insights - RedHill Biopharma has received a critical composition-of-matter patent for RHB-107, enhancing its market exclusivity in the COVID-19 therapeutic space, which is projected to exceed $3 billion by 2025 [1][2] - RHB-107 has shown promising results in a U.S. Phase 2 study, achieving a 100% reduction in hospitalization rates among treated patients compared to a 15% hospitalization rate in the placebo group [2] - The drug is designed to be a broad-acting antiviral that targets human serine proteases, potentially effective against various SARS-CoV-2 variants [3][4] Company Overview - RedHill Biopharma focuses on the development and commercialization of drugs for gastrointestinal diseases, infectious diseases, and oncology, with a notable product being Talicia for H. pylori infection [5] - The company has a diverse pipeline, including RHB-204 for Crohn's disease and opaganib for cancer and COVID-19, indicating a strong commitment to addressing multiple health challenges [5] Clinical Data - In the Phase 2 study, RHB-107 demonstrated a 100% reduction in hospitalization (0/41) versus 15% (3/20) in the placebo group, with a nominal p-value of 0.0317, and an 88% reduction in new severe COVID-19 symptoms [2] - The study also indicated faster recovery times, with a median recovery of 3 days for RHB-107 compared to 8 days for placebo [2] Patent and Market Position - The newly allowed patent in China strengthens RedHill's intellectual property portfolio and expands its presence in Asia, a significant pharmaceutical market [2] - RHB-107's unique mechanism of action, targeting host cells rather than the virus directly, positions it as a potential alternative to existing treatments like Pfizer's Paxlovid [2][3]
Traws Pharma's COVID-19 Candidate, Ratutrelvir, Presented at ICAR
GlobeNewswire News Room· 2025-03-25 11:30
Core Viewpoint - Traws Pharma, Inc. has presented positive data for ratutrelvir, a main protease inhibitor, as a potential treatment for COVID-19, highlighting its advantages over current therapies, particularly the lack of need for co-administration with ritonavir [1][2][4]. Company Overview - Traws Pharma is a clinical-stage biopharmaceutical company focused on developing novel therapies for respiratory viral diseases, including COVID-19 [9][10]. - The company aims to create safe antiviral agents with simple dosing regimens to address critical health threats [9]. Product Development - Ratutrelvir is designed to be an oral, small molecule Mpro (3CL protease) inhibitor that can be used without ritonavir, potentially avoiding drug-drug interactions and expanding patient eligibility [7][10]. - Preclinical and Phase 1 studies indicate that ratutrelvir maintains therapeutic blood levels significantly above the effective concentration (EC50) and does not require a metabolism inhibitor [5][7]. Clinical Data - Data from Phase 1 studies demonstrate excellent safety and tolerability for ratutrelvir, with a selected Phase 2 dosing regimen of 600 mg/day for 10 days showing promising pharmacokinetics [6][7]. - Laboratory studies confirm that ratutrelvir effectively suppresses replication of various SARS-CoV-2 strains, including Omicron variants, and maintains blood plasma levels above the EC90 [5][6]. Future Plans - Traws Pharma is preparing to engage with the FDA to discuss the path forward for ratutrelvir and plans to initiate Phase 2 studies [4][6]. - An Investor Event is scheduled for March 31, 2025, to present an overview of preclinical and human data on ratutrelvir [4][6].
Traws Pharma's COVID-19 Candidate, Ratutrelvir, Presented at ICAR
Newsfilter· 2025-03-25 11:30
Core Viewpoint - Traws Pharma, Inc. has presented positive data for ratutrelvir, a main protease inhibitor, as a potential treatment for COVID-19, highlighting its advantages over current therapies, particularly the lack of need for co-administration with ritonavir [1][2][4]. Company Overview - Traws Pharma is a clinical-stage biopharmaceutical company focused on developing novel therapies for respiratory viral diseases, including COVID-19 [9][10]. - The company aims to create safe antiviral agents with simple dosing regimens and is committed to accelerated clinical trial strategies [9]. Product Development - Ratutrelvir is designed to be an oral, small molecule Mpro inhibitor that can be used without ritonavir, potentially avoiding drug-drug interactions and expanding patient eligibility [7][10]. - Preclinical and Phase 1 studies indicate that ratutrelvir maintains blood plasma levels approximately 13 times above the EC50, which may reduce the likelihood of clinical rebound and long COVID [7][6]. Clinical Data - Data presented at the International Conference for Antiviral Research (ICAR 2025) demonstrated that ratutrelvir effectively suppressed replication of 18 different SARS-CoV-2 strains, including Omicron variants [2][5]. - Phase 1 results showed excellent safety and tolerability, with a selected Phase 2 dosing regimen of 600 mg/day for 10 days [3][6]. Future Plans - The company is preparing to engage with the FDA to discuss the path forward for ratutrelvir and plans to initiate Phase 2 studies [4][2]. - An Investor Event is scheduled for March 31, 2025, to present an overview of preclinical and human data on ratutrelvir [4][2].