On November 7, 2023 Tyra Biosciences, Inc. (Nasdaq: TYRA), a clinical-stage biotechnology company focused on developing next-generation precision medicines that target large opportunities in Fibroblast Growth Factor Receptor (FGFR) biology, reported financial results for the quarter ended September 30, 2023 and highlighted recent corporate progress (Press release, Tyra Biosciences, NOV 7, 2023, View Source [SID1234637166]).
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"From the start, TYRA has focused on developing precision therapies that target large opportunities that exist in FGFR biology, and we continue to follow the data. We continue to advance TYRA-300, our oral FGFR3-selective inhibitor, as we dose expand and escalate in our SURF301 oncology study and strengthen our preclinical data package in achondroplasia," said Todd Harris, CEO of TYRA. "Before the end of the year, we expect to update our guidance on the timing and design of our planned Phase 2 study in achondroplasia and the dosing of our first patient with TYRA-200."
Third Quarter 2023 and Recent Corporate Highlights
TYRA-300
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SURF301 Phase 1/2 Study for Oncology Continued to Advance. SURF301 (Study in Untreated and Resistant FGFR3+ Advanced Solid Tumors) (NCT05544552) is a multi-center, open label study designed to determine the optimal and maximum tolerated doses (MTD) and the recommended Phase 2 dose of TYRA-300, as well as to evaluate the preliminary antitumor activity of TYRA-300. Enrollment is ongoing in Part A and Part B and dose escalation is ongoing in Part B in Phase 1 of the study at multiple clinical sites in the U.S., Europe, and Australia. In this study, multiple doses and schedules of TYRA-300 will be evaluated to inform dosing decisions in future metastatic urothelial carcinoma (mUC), non-muscle invasive bladder cancer (NMIBC) and achondroplasia studies.
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Presented Positive Preclinical Data for Achondroplasia at ASBMR and ASH (Free ASH Whitepaper)G Meetings. In October and early November 2023, TYRA presented additional preclinical results on TYRA-300 in achondroplasia at the American Society for Bone and Mineral Research (ASBMR) and the American Society of Human Genetics (ASHG) 2023 annual meetings, respectively. In preclinical mice models of achondroplasia conducted at The Imagine Institute in Paris, TYRA-300 increased bone growth, improved the shape of the skull, improved the shape of the foramen magnum, restored the architecture of the growth plate, and increased chondrocyte proliferation and differentiation.
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Granted Orphan Drug Designation for Achondroplasia from FDA. In July 2023, TYRA-300 was granted Orphan Drug Designation (ODD) for the treatment of achondroplasia from the U.S. Food and Drug Administration (FDA).
TYRA-200
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Phase 1 Study on Track to be Initiated by YE ‘23. TYRA continued to advance activities to support the initiation of the planned Phase 1 clinical study of TYRA-200, an FGFR1/2/3 inhibitor with potency against activating FGFR2 gene alterations and resistance mutations. The trial will be focused on intrahepatic cholangiocarcinoma resistant to prior FGFR inhibitors. TYRA remains on track to dose the first patient in this trial before year-end 2023.
SNÅP Platform and Pipeline
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TYRA continued to advance its in-house precision medicine discovery engine, SNÅP, to develop therapies in targeted oncology and genetically defined conditions including FGF19+/FGFR4-driven cancers and others.
Third Quarter 2023 Financial Results
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Third quarter 2023 net loss was $21.2 million compared to $12.5 million for the same period in 2022.
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Third quarter 2023 research and development expenses were $19.3 million compared to $10.9 million for the same period in 2022.
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Third quarter 2023 general and administrative expenses were $4.7 million compared to $2.7 million for the same period in 2022.
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As of September 30, 2023, TYRA had cash and cash equivalents of $215.7 million that are expected to support TYRA’s important clinical and operational milestones over at least the next two years.
About TYRA-300
TYRA-300 is the Company’s lead precision medicine program stemming from its in-house SNÅP platform. TYRA-300 is an investigational, oral, FGFR3-selective inhibitor currently in development for the treatment of cancer and skeletal dysplasias, including achondroplasia. In oncology, TYRA-300 is being evaluated in a multi-center, open label Phase 1/2 clinical study, SURF301 (Study in Untreated and Resistant FGFR3+ Advanced Solid Tumors). SURF301 (NCT05544552) was designed to determine the optimal and MTD and the recommended Phase 2 dose (RP2D) of TYRA-300, as well as to evaluate the preliminary antitumor activity of TYRA-300. SURF301 is currently enrolling adults with advanced urothelial carcinoma and other solid tumors with FGFR3 gene alterations. In skeletal dysplasias, TYRA-300 has demonstrated positive preclinical results, and the Company expects to submit an IND for the initiation of a Phase 2 clinical study in pediatric achondroplasia in 2024. In July 2023, TYRA-300 was granted Orphan Drug Designation for the treatment of achondroplasia from the FDA.