On November 14, 2024 ArriVent BioPharma, Inc. (Company or ArriVent) (Nasdaq: AVBP), a clinical-stage company dedicated to accelerating the global development of innovative biopharmaceutical therapeutics, reported financial results for the third quarter ended September 30, 2024, and highlighted recent Company progress (Press release, ArriVent Biopharma, NOV 14, 2024, View Source [SID1234648388]).

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"Our lead clinical program of firmonertinib in non-small cell lung cancer (NSCLC) is strongly advancing with encouraging potential to expand across EGFR mutant types. In September, we announced compelling monotherapy data for firmonertinib from our FURTHER study supporting rapid and robust anti-tumor activity across EGFR PACC mutations building on the strong activity observed in patients with EGFR exon 20 insertion mutations," said Bing Yao, Chairman and Chief Executive Officer of ArriVent. "Importantly, the high activity in tough to treat patients with central nervous system (CNS) metastases or compound mutations points to firmonertinib as a promising candidate for front-line patients with PACC mutations. Collectively, the broad activity in EGFR PACC mutations, the high responses in the CNS, and consistent, manageable safety profile across trials reinforces the promise firmonertinib holds to address unmet needs across the spectrum of EGFR mutant NSCLC."

Dr. Yao continued, "We expect several near-term catalysts for our firmonertinib program including initiating dose expansion for the combination study in classical EGFR mutant NSCLC with SHP2 inhibitor ICP-189 in the fourth quarter of the year, an update on the Phase 1b PACC study and plans for our potential registration study in the first half of 2025, and topline pivotal data from our global Phase 3 FURVENT study in front-line EGFR exon 20 mutant NSCLC in 2025. With our strong balance sheet and operating runway into 2026, we are well-positioned to execute across our near-term catalysts."

Third Quarter 2024 and Recent Highlights

Firmonertinib

● Positive proof-of-concept data in EGFR PACC mutant NSCLC. In September, ArriVent presented interim FURTHER Phase 1b clinical data for first-line firmonertinib monotherapy in patients with EGFR PACC mutant NSCLC during the Presidential Symposium at the 2024 annual World Conference on Lung Cancer and hosted a virtual webinar. In what we believe to be the first clinical dataset testing an EGFR inhibitor in a randomized defined population of EGFR PACC

mutant NSCLC, firmonertinib demonstrated robust systemic and CNS anti-tumor activity with a manageable safety profile consistent with previous trials.
Upcoming Milestones

● Dose expansion for SHP2 inhibitor combination. Initiation of dose expansion cohort for the ongoing Phase 1b trial evaluating firmonertinib in combination with SHP2 inhibitor ICP-189 by InnoCare in patients with classical EGFR mutations expected in the fourth quarter of 2024.
● EGFR PACC pivotal study plan. Data from the FURTHER Phase 1b (NCT05364043) trial continues to mature for first-line firmonertinib monotherapy in patients with EGFR PACC mutant NSCLC. ArriVent expects to provide an update on EGFR PACC plans in the first half of 2025.
● Selection of next-generation antibody drug conjugate (ADC) candidate. ArriVent and its partner, Aarvik Therapeutics, Inc., continue to make progress, including initiating CMC activities, on selecting a multi-target multivalent ADC candidate for the treatment of solid tumors in the ARR-002 program, and expect to complete selection of a candidate that will be advanced into IND enabling studies in late 2024 or early 2025.
● Top-line pivotal Phase 3 data in 2025. Firmonertinib is currently being studied as a monotherapy in the pivotal, global Phase 3 FURVENT trial (NCT05607550) evaluating firmonertinib in previously untreated NSCLC patients whose tumors contain EGFR exon 20 insertion mutations with topline data expected in 2025.
Third Quarter 2024 Financial Results

● As of September 30, 2024, the Company had cash and cash equivalents of $282.9 million, which is expected to fund operations into 2026. Net cash used in operations was $54.1 million and $40.9 million for the nine months ended September 30, 2024 and 2023, respectively.

● Research and development expenses were $58.9 million and $44.9 million for the nine months ended September 30, 2024 and 2023, respectively. The increase in expense was primarily due to increased headcount and clinical expense related to firmonertinib.

● General and administrative expenses were $11.8 million and $6.6 million for the nine months ended September 30, 2024 and 2023, respectively. The increase in expense was primarily due to expenses related to expanding the infrastructure necessary for operating as a public company.

● Net loss was $59.9 million and $48.1 million for the nine months ended September 30, 2024 and 2023, respectively.