Core Insights - Mereo BioPharma is advancing its lead programs, particularly the Phase 3 Orbit study of setrusumab for osteogenesis imperfecta, with key milestones expected in mid-2025 and late 2025 [2][6] - The company received European Orphan Designation for alvelestat, enhancing its positioning for treatment of Alpha-1 Antitrypsin Deficiency-associated Lung Disease [2][6] - Mereo reported a cash balance of 69.8 million as of December 31, 2024, which is expected to fund operations into 2027 [10] Financial Performance - Total R&D expenses increased by 3.5 million from 17.4millionin2023to20.9 million in 2024, driven by higher costs for alvelestat and setrusumab [5][8] - General and administrative expenses rose by 8.0millionfrom18.4 million in 2023 to 26.4millionin2024,primarilyduetopre−commercialactivitiesforsetrusumab[8]−ThenetlossforthefullyearendedDecember31,2024,was43.3 million, compared to 29.5millionin2023,reflectingincreasedoperatingexpenses[9][19]OperationalHighlights−ThePhase3Orbitstudyisongoing,withasecondinterimanalysisexpectedmid−2025andafinalanalysisinQ42025[2][6]−Pre−commercialactivitiesforsetrusumabareinprogresstoprepareforapotentiallaunchfollowingregulatoryapproval[2][6]−Alvelestathasreceivedmultipledesignations,includingOrphanDrugDesignationandFastTrackDesignationfromtheFDA,supportingitsdevelopmentandcommercializationefforts[6][12]ShareholderInformation−AsofDecember31,2024,thecompanyhad775,728,034ordinarysharesissued,withtotalADSequivalentsof155,145,606[11]−Thecompany’saccumulateddeficitincreasedto462.9 million as of December 31, 2024, from $419.6 million in the previous year [17][19]