Erasca Granted FDA Fast Track Designation for Pan-RAS Molecular Glue ERAS-0015 in Patients with Metastatic Pancreatic Adenocarcinoma

On August 24, 2026 Erasca, Inc. (Nasdaq: ERAS), a clinical-stage precision oncology company singularly focused on discovering, developing, and commercializing therapies for patients with RAS/MAPK pathway-driven cancers, reported that the U.S. Food and Drug Administration (FDA) has granted Fast Track Designation (FTD) to ERAS-0015 for the treatment of patients with metastatic pancreatic adenocarcinoma. ERAS-0015 is an oral, highly potent pan-RAS molecular glue designed to inhibit RAS signaling with a potential best-in-class profile.

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"Receiving FTD is an important milestone for ERAS-0015 and reflects the urgent need for new therapies for patients with metastatic pancreatic cancer," said Jonathan E. Lim, M.D., Erasca’s chairman, CEO, and co-founder. "Together with the encouraging clinical activity and favorable tolerability observed to date, this FTD helps to position us to rapidly advance the clinical development of ERAS-0015, including working closely with FDA on a planned Phase 3 trial in pancreatic cancer, alongside two additional potentially pivotal trials in lung cancer. We look forward to reporting additional monotherapy and combination data in the first half of 2027."

FTD is intended to facilitate development and expedite the review of therapies for serious conditions with unmet medical needs. Designated programs may benefit from more frequent interactions with the FDA and, if relevant criteria are met, may be eligible for benefits such as accelerated approval, priority review, and rolling review.

In July 2026, Erasca reported updated preliminary data from the AURORAS-1 Phase 1 trial in the U.S. demonstrating encouraging clinical activity, including a 57% uORR8wk in patients with second-line or later (2L+) KRAS G12X pancreatic ductal adenocarcinoma (PDAC) receiving ERAS-0015 monotherapy at the recommended dose for expansion (RDE) of 32 mg once daily.1 All responding patients across doses remained on treatment as of the data cutoff, and ERAS-0015 continued to demonstrate favorable tolerability.2 Additional data from the monotherapy expansion and combination dose escalation cohorts, including the panitumumab combination, are expected in the first half of 2027.

The uORR8wk is the overall response rate (ORR) (confirmed and unconfirmed responses) for patients who received first dose of ERAS-0015 at least 8 weeks prior to the May 25, 2026 data cut off.
2 May 25, 2026 data cut off

About ERAS-0015
ERAS-0015 is an investigational, oral, highly potent pan-RAS molecular glue designed to inhibit RAS signaling with a potential best-in-class profile. Erasca is evaluating ERAS-0015 in the AURORAS-1 Phase 1 trial in patients with RAS-mutant solid tumors. Early dose escalation data in AURORAS-1 demonstrated favorable safety and tolerability results, well-behaved, linear PK, and confirmed and unconfirmed partial responses in multiple patients across multiple tumor types with different RAS mutations, including confirmed partial responses at doses as low as 8 mg once daily (QD). ERAS-0015 is also designed to prevent resistance against mutant-selective inhibitors through inhibition of RAS wildtype variants. In addition, ERAS-0015 has demonstrated favorable absorption, distribution, metabolism, and excretion (ADME) and pharmacokinetic (PK) properties in multiple animal species.

(Press release, Erasca, AUG 24, 2026, View Source [SID1234670291])