On May 15, 2023 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 financial results for the fiscal quarter ended March 31, 2023, and provided business updates (Press release, Erasca, MAY 15, 2023, View Source [SID1234631718]).
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"In 2023, we plan to further refine the developmental focus of our lead clinical programs and accelerate our transition into a late-stage clinical development company. For ERAS-601, we have identified the maximum tolerated dose for the combination with cetuximab and are pleased by the promising preliminary safety and tolerability data with reversible and manageable treatment-related adverse events (TRAEs) seen with our ‘three weeks on, one week off’ dosing regimen. Continued exploration of this combination will be prioritized in patients with human papillomavirus (HPV)-negative head and neck squamous cell carcinoma (HNSCC), with initial data expected in the first half of 2024," said Jonathan E. Lim, M.D., Erasca’s chairman, CEO, and co-founder. "Coming up at ASCO (Free ASCO Whitepaper), two poster presentations will provide initial combination data for our ERK1/2 inhibitor ERAS-007 from our HERKULES-3 trial in patients with advanced gastrointestinal (GI) malignancies."
Dr. Lim continued, "We are looking forward to dosing the first patient in SEACRAFT-1 expected in the second half of this year and continuing clinical development of naporafenib, the latest addition to our pipeline and our most advanced clinical program. The compelling anti-tumor activity demonstrated in the recent Journal of Clinical Oncology publication of the Phase 1b trial for naporafenib plus trametinib in patients with NRAS-mutant (NRASm) melanoma reinforces the potential benefit of our pivotal Phase 3 SEACRAFT-2 trial, which is expected to initiate in the first half of 2024. With our promotions of two strong leaders, Dr. Shannon Morris to Chief Medical Officer and Ms. Chandra Lovejoy to Chief Regulatory Affairs Officer, we are well-positioned for continued clinical and regulatory execution across our multiple near-term clinical milestones."
Research and Development (R&D) Highlights
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Granted FDA Fast Track Designation For ERAS-801 in Glioblastoma: In May 2023, Erasca announced that the United States Food and Drug Administration (FDA) granted Fast Track Designation (FTD) to ERAS-801 (CNS-penetrant EGFR inhibitor) for the treatment of adult patients with glioblastoma (GBM) with EGFR gene alterations.
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Presented Promising Initial Phase 1b Dose Escalation Data for ERAS-601: In April 2023, Erasca presented promising initial Phase 1b dose escalation data from FLAGSHP-1 for ERAS-601 in combination with cetuximab (ERBITUX) in patients with advanced solid tumors as part of a poster presentation at the American Association for Cancer Research (AACR) (Free AACR Whitepaper) Annual Meeting.
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Announced Publication of Phase 1b Data for Naporafenib: In April 2023, Erasca announced the publication of results in the Journal of Clinical Oncology from the expansion arm of a Phase 1b open label trial evaluating pan-RAF inhibitor naporafenib plus MEK inhibitor trametinib (MEKINIST) in patients with NRASm melanoma.
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Announced Two Poster Presentations at the 2023 ASCO (Free ASCO Whitepaper) Annual Meeting: In April 2023, Erasca announced that preliminary Phase 1b combination data for potential best-in-class ERK1/2 inhibitor ERAS-007 with encorafenib (BRAFTOVI) and cetuximab or with palbociclib (IBRANCE) in patients with advanced GI malignancies will be presented as part of poster presentations at the 2023 American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) Annual Meeting.
Corporate Highlights
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Strengthened Clinical and Regulatory Executive Leadership: In April 2023, Erasca promoted Shannon R. Morris, M.D., Ph.D., to Chief Medical Officer, and Chandra D. Lovejoy, M.S., to Chief Regulatory Affairs Officer
Key Upcoming Milestones
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SEACRAFT-1: Phase 1b trial for naporafenib in patients with RAS Q61X tissue agnostic solid tumors
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Dosing of the first patient expected in the second half of 2023
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Initial Phase 1b combination data expected between the second and fourth quarters of 2024
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SEACRAFT-2: Randomized pivotal Phase 3 trial for naporafenib in patients with NRASm melanoma
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Dosing of the first patient expected in the first half of 2024
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HERKULES-1: Phase 1b trial for ERAS-007 plus ERAS-601 in patients with advanced solid tumors
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Initial Phase 1b combination data expected in the first half of 2024
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HERKULES-2: Phase 1b trial for ERAS-007 in patients with advanced non-small cell lung cancer (NSCLC)
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Initial Phase 1b combination data expected in the second quarter of 2023
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HERKULES-3: Phase 1b trial for ERAS-007 in patients with GI malignancies
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Initial Phase 1b combination data in patients with RAS- and BRAF-mutated GI malignancies expected in the second quarter of 2023
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Phase 1b combination expansion data in patients with BRAF-mutated colorectal cancer (CRC) expected between the second half of 2023 and the first half of 2024
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FLAGSHP-1: Phase 1b trial for ERAS-601 in patients with advanced solid tumors
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Phase 1b combination data in patients with HPV-negative advanced HNSCC expected in the first half of 2024
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THUNDERBBOLT-1: Phase 1 trial for ERAS-801 in patients with recurrent glioblastoma (GBM)
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Initial Phase 1 data in patients with recurrent GBM expected in the second half of 2023
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AURORAS-1: Phase 1 trial for ERAS-3490 in patients with KRAS G12Cm NSCLC
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Initial Phase 1 data expected in 2024
First Quarter 2023 Financial Results
Cash Position: Cash, cash equivalents, and marketable securities were $389.7 million as of March 31, 2023, compared to $435.6 million as of December 31, 2022. Erasca expects its current cash, cash equivalents, and marketable securities balance to fund operations into the second half of 2025.
Research and Development (R&D) Expenses: R&D expenses were $27.6 million for the quarter ended March 31, 2023, compared to $27.4 million for the quarter ended March 31, 2022. The quarter ended March 31, 2022 also included $2.0 million of in-process R&D expenses related to a development milestone payment in connection with our license agreement with Katmai Pharmaceuticals, Inc.
General and Administrative (G&A) Expenses: G&A expenses were $9.4 million for the quarter ended March 31, 2023, compared to $7.1 million for the quarter ended March 31, 2022. The increase was primarily driven by personnel costs, including stock-based compensation expense, and facilities and related costs.
Net Loss: Net loss was $33.2 million, or $(0.22) per basic and diluted share, for the quarter ended March 31, 2023, compared to $36.5 million, or $(0.31) per basic and diluted share, for the quarter ended March 31, 2022.