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Erasca (ERAS) investor relations material

Erasca Evercore ISI 8th Annual HealthCONx Conference summary

Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
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Evercore ISI 8th Annual HealthCONx Conference summary3 Dec, 2025

Strategic positioning and pipeline overview

  • Focused on RAS-MAPK pathway with two main assets: ERAS-0015 (pan-RAS molecular glue) and ERAS-4001 (pan-KRAS inhibitor), both acquired from China in May last year.

  • ERAS-0015 shows 8-20x better binding to cyclophilin A, 4-5x greater in vitro potency, and improved PK properties compared to RevMed’s 6236.

  • ERAS-4001 demonstrates strong in vitro activity against KRAS G12X, G13, and wild type, with a unique scaffold potentially offering advantages over competitors.

  • Both programs target a large unmet need, with 2.7 million annual RAS mutant tumor diagnoses and limited competition in the pan-RAS space.

  • The company is well-capitalized with $362 million in cash and runway into the second half of 2028, enabling aggressive development.

Clinical differentiation and development plans

  • Key differentiators for ERAS-0015 include dose-proportional PK, improved AE profile (especially GI and skin), and achieving efficacy at lower doses than RevMed.

  • Early clinical data for both programs expected in calendar year 2026, with focus on safety, PK, and initial activity in dozens of patients.

  • Lower biological dose may reduce GI toxicity, and prophylactic strategies are in place for managing AEs.

  • Both molecules are being developed with flexibility in data disclosure timing, potentially at medical meetings or R&D days.

  • Multiple dose expansions and potential phase 3 initiations are planned, with guidance covering these milestones.

Resistance, patient populations, and partnerships

  • ERAS-0015 has strong in vitro potency against key mutations and KRAS wild type amplification, aiming to address resistance mechanisms.

  • ERAS-4001 targets both RAS on and off states, with potential for combination strategies to overcome resistance.

  • Patient populations for trials will mirror epidemiology of KRAS mutations, with ability to enrich for specific groups as needed.

  • ERAS-0015 is partnered with Joyo in China, with close collaboration and an option for a China buyout; ERAS-4001 is held with worldwide rights.

  • Parallel studies are ongoing in China for ERAS-0015, with strong visibility and alignment between partners.

0015: Disambiguate tolerability sources
CRC strategy: Pan-RAS vs. pan-KRAS approach
0015: Joyo data disclosure timeline visibility
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Frequently asked questions

Erasca Inc. is a clinical-stage precision oncology company with a focused mission to develop therapies aimed at eradicating cancer. The company specializes in targeting the RAS/MAPK pathway, one of the most frequently mutated signaling pathways in cancer, which affects millions of lives globally each year. Erasca's research involves a comprehensive strategy to shut down this pathway using a modality-agnostic approach, which includes small molecules, large molecules, and protein degraders. These are developed alone or in combination to treat various types of cancers driven by RAS/MAPK pathway alterations. The company is headquartered in San Diego, California, and its shares are listed on NASDAQ.

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