In Q1 2025, Gossamer Bio reported $9.9 million in collaboration revenue and a net loss of $36.6 million, while continuing to advance its registrational studies for seralutinib. The company closed new patient screening for its Phase 3 PROSERA Study and maintains a strong cash position to fund operations into the first half of 2027.
Reported $9.9 million in collaboration revenue, including $6.6 million from cost reimbursements.
Net loss decreased to $36.6 million from $41.9 million in Q1 2024.
Cash and marketable securities totaled $257.9 million, expected to fund operations into H1 2027.
Patient screening closed for Phase 3 PROSERA Study; topline data expected in February 2026.
Gossamer expects to complete enrollment in the Phase 3 PROSERA Study in June 2025 and initiate the SERANATA Study in Q4 2025, while maintaining sufficient funding into the first half of 2027.
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