Castle Biosciences, Inc. Common Stock
Castle Biosciences, Inc., a molecular diagnostics company, provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus (BE), uveal melanoma, and mental health conditions. The company offers DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test that predicts the risk of metastasis for patients with uveal melanoma; DecisionDx-SCC, a risk stratification test for cutaneous squamous cell carcinoma; MyPath Melanoma, a diagnostic GEP test for use in patients with difficult-to-diagnose melanocytic lesions; and TissueCypher, a risk stratification spatial-omics test to predict future development of progression of high-grade dysplasia and/or esophageal cancer in patients with non-dysplastic, indefinite dysplasia, and low-grade dysplasia BE. It also provides DecisionDx-UM, a risk stratification GEP test that predicts the risk of metastasis for patients with uveal melanoma; and IDgenetix, a pharmacogenomic test that helps guide optimal drug treatment for patients diagnosed with major depressive disorder, schizophrenia, bipolar disorder, anxiety disorders, social phobia, obsessive-compulsive personality disorder, post-traumatic stress disorder, and attention deficit hyperactivity disorder. The company offers its products to skin cancer and gastroenterology markets. The company was incorporated in 2007 and is headquartered in Friendswood, Texas.
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Rigel Pharmaceuticals, Inc., a biotechnology company, engages in discovering, developing, and providing therapies that enhance the lives of patients with hematologic disorders and cancer. The company's commercialized products include Tavalisse, an oral spleen tyrosine kinase inhibitor for the treatment of adult patients with chronic immune thrombocytopenia; Rezlidhia, a non-intensive monotherapy to treat adult patients with relapsed or refractory (R/R) acute myeloid leukemia (AML) with a susceptible isocitrate dehydrogenase-1 (IDH1) mutation as detected by an FDA-approved test; and GAVRETO, a once daily, small molecule, oral, kinase inhibitor for the treatment of adult patients with metastatic rearranged during transfection (RET) fusion-positive non-small cell lung cancer (NSCLC), as well as to treat adult and pediatric patients twelve years of age and older with advanced or metastatic RET fusion-positive thyroid cancer. It also develops R289, an oral interleukin receptor-associated kinases 1 and 4 (IRAK1/4) inhibitor for the treatment of hematology-oncology, autoimmune, and inflammatory diseases, as well as to treat lower-risk myelodysplastic syndrome. In addition, the company has product candidates in clinical development with partners BerGenBio ASA, Eli Lilly and Company, and Daiichi Sankyo. It has strategic development collaboration with The University of Texas MD Anderson Cancer Center for the development of Olutasidenib in AML and other hematologic cancers with IDH1mutations, as well as with collaborative network for neuro-oncology clinical trials to evaluate Olutasidenib in combination with temozolomide in patients with high-grade glioma harboring an IDH1 mutation. Rigel Pharmaceuticals, Inc. was incorporated in 1996 and is headquartered in South San Francisco, California.
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