Pipeline and Clinical Development - Vopimetostat, a PRMT5 inhibitor, is in dose expansion for MTAP-del cancers and dose escalation for RAS-mut pancreatic and lung cancer, including combinations with RAS inhibitors[13] - TNG456, a brain-penetrant PRMT5 inhibitor, is in dose escalation for MTAP-del glioblastoma[13] - TNG961, an HBS1L degrader, has Phase 1 enabled for MTAP/FOCAD-del solid tumors[13] - A pivotal study for vopimetostat monotherapy in 2L MTAP-del pancreatic cancer is planned to start in 2026[23, 37] - Early data from the vopimetostat + RAS(ON) inhibitor clinical study is encouraging, with 30 patients dosed and both combinations well-tolerated[45, 48] Vopimetostat Clinical Data - Vopimetostat monotherapy demonstrated an Overall Response Rate (ORR) of 27% across 16 different histologies and a Disease Control Rate (DCR) of 78%[30] - In 2L pancreatic cancer, vopimetostat showed a median Progression-Free Survival (mPFS) of 7.2 months, more than twice historical Standard of Care (SOC) trials[32, 35] - In a histology-selective cohort, vopimetostat achieved an ORR of 49%, a DCR of 89%, and an mPFS of 9.1 months[50, 53] Financial Status - The company reported a cash balance of $343 million as of December 31, 2025, providing a cash runway into 2028[19, 81] Glioblastoma Focus - TNG456 is being developed for MTAP-del glioblastoma, which represents 45% of GBM cases, or approximately 7,000 patients per year in the US[23]

Core Insights - Tango Therapeutics is advancing its clinical-stage pipeline, particularly focusing on TNG462, a PRMT5 inhibitor, with data updates expected in the second half of 2025 [1][6][16] - The company has a strong cash position of $217 million as of March 31, 2025, which is projected to fund operations into the first quarter of 2027 [1][9] - The company is strategically reducing preclinical spending to extend its cash runway while prioritizing its PRMT5 programs [2][9] Pipeline Update - TNG462 is anticipated to show promising efficacy, safety, and tolerability data, particularly in pancreatic and lung cancer, with a registrational study planned for next year [2][6] - TNG456, a next-generation PRMT5 inhibitor, is set to begin a Phase 1/2 trial for glioblastoma in the second quarter of 2025 [4][6] - TNG260 is undergoing a Phase 1/2 trial in combination with pembrolizumab for NSCLC, with updates expected in the second half of 2025 [5][6] Financial Results - Collaboration revenue for the first quarter of 2025 was $5.4 million, down from $6.5 million in the same period of 2024 [10] - Research and development expenses decreased to $36.4 million in Q1 2025 from $38.1 million in Q1 2024, attributed to reduced spending on discontinued programs [11] - The net loss for the first quarter of 2025 was $39.9 million, or $0.36 per share, compared to a net loss of $37.9 million, or $0.35 per share, in Q1 2024 [12][20] Upcoming Milestones - Clinical data updates for TNG462 and TNG260 are expected in the second half of 2025 [16] - Enrollment for the combination trial of TNG462 with RAS(ON) inhibitors is projected to begin in the second quarter of 2025 [1][16]