Seastar Medical Holding Corporation ((ICU)) has held its Q3 earnings call. Read on for the main highlights of the call.
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The recent earnings call for Seastar Medical Holding Corporation revealed a generally positive outlook, with several promising developments highlighted. The company reported impressive survival results from its Quellimmune therapy, significant revenue growth, and a robust gross profit margin. Additionally, the expansion of clinical sites and a strengthened financial position underscore the company’s potential. Despite challenges such as variability in sales and increased enrollment requirements for a pivotal trial, the overall sentiment remains optimistic, with a strategic focus on overcoming these hurdles and continuing growth.
Impressive Survival Results for Quellimmune
The earnings call highlighted remarkable survival results for the Quellimmune therapy, which was used in 21 pediatric patients. Impressively, 76% of these patients survived through 60 days, and 71% through 90 days. This outcome underscores the potential efficacy of Quellimmune therapy in critical care settings, marking a significant achievement for Seastar Medical.
Revenue Growth and Projections
Seastar Medical reported net revenue of $183,000 for Quellimmune in the third quarter, marking a 45% increase compared to the first six months of the year. Looking ahead, the company projects full-year revenue for 2025 to exceed $1 million, indicating strong growth momentum and market acceptance of its innovative therapies.
High Gross Profit Margin
The company achieved a gross profit margin of 92%, which is comparable to that of branded pharmaceutical products. This high margin reflects the company’s efficient cost management and the premium value of its therapeutic offerings.
Expansion of Clinical Sites
Seastar Medical has expanded its clinical trial footprint by onboarding three additional sites for the neutralized AKI trial, bringing the total to 17 active sites. The company plans to activate eight more sites, which will enhance its capacity to conduct comprehensive clinical evaluations and accelerate trial progress.
Financial Strengthening
In a bid to bolster its financial position, Seastar Medical successfully raised over $12 million. This capital infusion will strengthen the company’s balance sheet and extend its financial runway, providing the necessary resources to support ongoing and future initiatives.
Variable Quellimmune Sales
Despite the positive developments, the company acknowledged that Quellimmune sales remain variable from quarter to quarter. The requirement for a registry has hampered the ability to quickly add new sites, presenting a challenge that the company is strategically addressing.
Increased Enrollment Requirement
The enrollment target for the neutralized AKI pivotal trial has been increased from 200 to 339 patients following an interim analysis. This adjustment reflects the need for a larger sample size to achieve statistically significant results, underscoring the rigorous standards of clinical research.
Net Loss
Seastar Medical reported a net loss of approximately $3.5 million for the third quarter of 2025. While this represents a financial challenge, the company’s strategic initiatives and revenue growth projections offer a pathway to improved financial performance.
Forward-Looking Guidance
Looking ahead, Seastar Medical anticipates full-year revenue for 2025 to exceed $1 million, reflecting a substantial increase from the previous year. The company is focused on expanding its Quellimmune therapy to more pediatric hospital systems, aiming to capture a significant portion of the estimated $100 million U.S. market. With 146 patients enrolled in the neutralized AKI trial out of a revised target of 339, the company plans to activate additional clinical sites to meet this goal by December 2026.
In conclusion, Seastar Medical’s earnings call conveyed a positive sentiment, driven by impressive clinical results, strong revenue growth, and strategic expansions. While challenges such as sales variability and increased trial enrollment requirements remain, the company’s proactive approach and financial strengthening efforts position it well for future success.

