Clinical Trial Progress and Results - Ivonescimab monotherapy reduced the risk of disease progression or death by 49% compared to pembrolizumab in the Phase III HARMONi-2 trial for first-line PD-L1 positive advanced NSCLC in China[1][11] - Enrollment completed in the global Phase III HARMONi trial for 2L+ EGFRm advanced NSCLC, with topline data expected in mid-2025[1][3] - Summit plans to expand the HARMONi-3 global Phase III trial to include both squamous and non-squamous histologies, with an estimated total sample size of 1,080 patients[3][4] - Summit intends to initiate the global Phase III HARMONi-7 trial in 1L PD-L1 high, metastatic NSCLC in early 2025, with a planned sample size of 780 patients[7] - In the Phase II AK112-201 trial, first-line non-squamous NSCLC patients (n=72) had a median PFS of 13.3 months, while squamous NSCLC patients (n=63) had a median PFS of 11.1 months[6] - In the Phase II AK112-205 trial, 71.8% of patients (n=39) who received ivonescimab plus chemotherapy in the neo-adjuvant setting experienced a major pathological response (MPR), and 43.6% achieved a pathological complete response (pCR)[13] - In the Phase II study for metastatic MSS CRC, the ORR and DCR for 39 patients were 84.6% and 100%, respectively, with median PFS not reached in either group[17] - Over 1,800 patients have been treated with ivonescimab in clinical studies globally[32] - Summit plans to initiate the HARMONi-7 Phase III clinical trial for ivonescimab in early 2025[32] Financial Performance and Expenses - Summit raised 235millioninprivatefinancinginSeptember2024,increasingitscashbalanceto487 million at the end of Q3 2024[20][21] - GAAP R&D expenses for Q3 2024 were 37.7million,upfrom15.3 million in the same period of the prior year, primarily due to expansion of clinical study and development costs related to ivonescimab[22][23] - GAAP net loss for Q3 2024 was 56.3million,comparedto21.2 million in the same period of the prior year[25] - Summit's Q3 2024 net loss was 56.3million,comparedto21.2 million in Q3 2023, with a net loss per share of 0.08[42]−Researchanddevelopmentexpensesincreasedto37.7 million in Q3 2024, up from 15.3millioninQ32023[42]−TotaloperatingexpensesforQ32024were58.1 million, compared to 20.7millioninQ32023[42]−Cashandcashequivalentsincreasedto487.0 million as of September 30, 2024, up from 186.2millionattheendof2023[43]−Netcashusedinoperatingactivitiesforthefirstninemonthsof2024was93.4 million, compared to 57.3millioninthesameperiodof2023[44]−Non−GAAPResearchandDevelopmentExpenseforQ32024was31.9 million, compared to 15.2millioninQ32023[45]−Non−GAAPGeneralandAdministrativeExpensesforQ32024were6.8 million, down from 4.8millioninQ32023[45]−Non−GAAPNetLossforQ32024was36.9 million, compared to 20.5millioninQ32023[45]−Non−GAAPNetLossPerBasicandDilutedCommonShareforQ32024was0.05, compared to 0.03inQ32023[45]−GAAPNetLossforQ32024was56.3 million, compared to 21.2millioninQ32023[45]−Stock−basedcompensationforQ32024was19.4 million, compared to 0.7millioninQ32023[45]−AcquiredIn−processResearchandDevelopmentfortheninemonthsendedSeptember30,2024,was15.0 million, compared to 520.9millioninthesameperiodin2023[45]−Non−GAAPOperatingExpensesforQ32024were38.7 million, compared to 20.0millioninQ32023[75]−GAAPOperatingExpensesforQ32024were58.1 million, compared to $20.7 million in Q3 2023[75] - Basic and Diluted Common Shares outstanding as of September 30, 2024, were 726.7 million, compared to 697.7 million in the same period in 2023[45] Ivonescimab Mechanism and Approval - Ivonescimab demonstrated over 18-fold increased binding affinity to PD-1 in the presence of VEGF in vitro[31] - Ivonescimab's tetravalent structure enables over 4-times increased binding affinity to VEGF in the presence of PD-1 in vitro[31] - Ivonescimab was approved for marketing authorization in China in May 2024[37]