News Summary
Portage Biotech unveils PORT-7, a new therapy for mesothelioma that shows over 90% tumor growth reduction when combined with anti-PD1 antibody.
BREAKING: Promising New Therapy for Mesothelioma Showcases Tumor-Busting Potential
In an exciting advancement for the treatment of the aggressive cancer known as mesothelioma, Portage Biotech Inc. (NASDAQ: PRTG) has unveiled groundbreaking preclinical data on their latest therapeutic candidate, PORT-7. This selective A2B receptor inhibitor demonstrated remarkable efficacy in inhibiting tumor growth in a murine model of mesothelioma, raising hopes among patients and oncologists alike.
PORT-7’s Remarkable Results
Presented during the prestigious 2025 European Lung Cancer Congress, the data revealed that when PORT-7 was combined with an anti-PD1 antibody, there was an astonishing over 90% reduction in tumor growth. This combination therapy not only showcased impressive efficacy but also highlighted the potential for strong immune cell infiltration within the tumors, suggesting that PORT-7 may effectively harness the body’s immune response to combat this devastating disease.
The Future of Treatment
Portage Biotech is poised to take the next step in cancer treatment by preparing for a first-in-human trial for PORT-7. While no specific timeline has been announced, this clinical trial represents an important leap towards translating promising preclinical findings into potential lifesaving therapies for patients battling mesothelioma, a cancer notoriously characterized by its limited treatment options.
Advancement in Combination Therapies
In a bold move, Portage will also advance PORT-6, an A2A receptor inhibitor, into dose escalation trials. Plans are underway to combine both PORT-6 and PORT-7 in the ADPORT-601 trial, aimed at tackling adenosine-driven immune suppression. This combination is expected to enhance the overall efficacy of immunotherapy protocols in solid tumors, paving the way for innovative approaches to cancer care.
Investor Sentiment Surges
In light of the exciting findings, retail investor sentiment for Portage Biotech skyrocketed, achieving an unprecedented score of 100/100 on Stocktwits. Consequently, the company’s stock soared over 106% in after-hours trading, closing at $9.74. Despite a year-to-date loss of more than 7%, this dramatic increase has brought renewed optimism to investors following the recent news.
Market and Financial Overview
Portage Biotech currently boasts a market capitalization of approximately $7.65 million. However, the company faces challenges as they navigate compliance with Nasdaq’s listing standards, with a looming deadline of June 9, 2025. The financial health rating for Portage, while categorized as ‘Weak’ by InvestingPro, shows a current ratio of 3.08, indicating a need for cautious optimism moving forward.
Scientific Insights and Innovations
The promising results of PORT-7 underscore a critical moment in the fight against mesothelioma. With immunohistochemistry tests revealing substantial infiltration of CD3 and CD45 positive immune cells within tumors, the data illustrates the potential of PORT-7 as a formidable weapon against this aggressive cancer. As the scientific community keenly observes these developments, the need for novel therapeutic approaches to combat mesothelioma has never been more pressing.
The Road Ahead
While the potential of PORT-7 shines bright, uncertainties loom regarding future financing needs and the ultimate results of impending trials. As Portage Biotech prepares to initiate clinical trials, the hope remains that innovative therapies can change the landscape of treatment options for individuals affected by mesothelioma. The excitement surrounding these advancements may signify a new dawn for patients facing this daunting and aggressive form of cancer.
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Additional Resources
- TipRanks: Portage Biotech Announces Promising Preclinical Results
- Wikipedia: Mesothelioma
- Investing.com: Portage Biotech Reports Promising Mesothelioma Treatment Data
- Google Search: Mesothelioma Treatment
- MarketScreener: Portage Reports Promising Preclinical Results in Mesothelioma
- Google Scholar: Mesothelioma Research
- RTT News: PRTG Soars on Mesothelioma Data
- Encyclopedia Britannica: Mesothelioma

















