Kinnate Biopharma Inc. in Collaboration with Guardant Health Announces Initial Findings from BRAF Kinase Alteration Genomic Landscape and Real-World Clinical Outcomes Study

On November 1, 2021 Kinnate Biopharma Inc. (Nasdaq: KNTE) ("Kinnate"), a biopharmaceutical company focused on the discovery and development of small molecule kinase inhibitors for difficult-to-treat, genomically defined cancers, reported a collaboration with Guardant Health, a leading precision oncology company, focused on characterizing the prevalence of patients with advanced solid tumors bearing BRAF Class I, II and III alterations (Press release, Kinnate Biopharma, NOV 1, 2021, View Source [SID1234593987]). The study will also assess real-world clinical outcomes stratified by BRAF alteration class and by treatment type.

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"Currently, patients with Class II and III BRAF alterations have no available targeted therapies and represent a significant and potentially greater unmet clinical need than previously understood," said Richard Williams, MBBS, Ph.D., Chief Medical Officer at Kinnate. "With a focus on metastatic disease and longitudinal genomics data, GuardantINFORM has provided valuable insights into this important biomarker that will help us to guide the development of our lead BRAF candidate. We believe that this collaboration with Guardant Health will enable a deeper look at the occurrence rates of functionally distinct classes of BRAF alterations across patient groups and help advance our efforts to develop novel targeted therapies that improve their lives."

Preliminary analyses conducted utilizing the GuardantINFORM platform suggest that the prevalence of Class II and III alterations across patients with advanced and metastatic solid tumors screened via liquid biopsy-based comprehensive genomic profiling (CGP) is higher than previously understood. Among the nearly 6,000 patients who were identified as having BRAF alteration-positive cancers, approximately 55% were found to be harboring Class II and III alterations across all tumor types. When looking across common tumor types – Non-Small Cell Lung Cancer (NSCLC), Melanoma and Colorectal Cancer (CRC) – approximately 65%, 20% and 30% of oncogenic BRAF alterations, respectively, are BRAF Class II and III. In addition to NSCLC, Melanoma, and CRC, BRAF Class II and III alterations are also detected at substantial rates in other common and rare tumor types such as prostate, breast, duodenal adenocarcinoma, renal pelvis urothelial carcinoma, and cholangiocarcinoma. These findings, as well as other studies that will assess real-world clinical outcomes stratified by BRAF Class and by treatment, are planned for presentation at a future date.

"Analysis of large-scale, real-world clinical-genomic datasets has become a critical approach for our biopharmaceutical partners like Kinnate to gain unique insights into disease biology, prevalence, and clinical outcomes across diverse patient populations," said Daniel Simon, Senior Vice President of Biopharma Solutions at Guardant Health. "Through GuardantINFORM, we can provide our partners like Kinnate with a unique perspective into biomarkers such as BRAF that drive tumors for patient populations where there is greatest unmet need."

Kinnate is utilizing the GuardantINFORM platform which combines de-identified longitudinal clinical information and genomic data collected from the Guardant360 liquid biopsy test which has been provided to more than 175,000 patients to date in the United States. Its robust dataset offers real-world insights into anti-cancer therapy use in the clinic, tumor evolution, and treatment resistance throughout each patient’s treatment journey for many advanced solid tumor cancers including NSCLC, Melanoma, Breast, CRC and Prostrate.