A germline change in a single nucleotide increased the risk by up to 6-fold of developing an isocitrate dehydrogenase (IDH) mutant low-grade glioma. The rs55705857 genotype could serve as a biomarker before surgery to identify an early glioma.
Brain MRIs can reveal a great deal about brain tumors, but tracking response to treatment, clearly delineating edges and identifying other critical information remain problematic. Neosoma Inc.’s recently granted FDA 510(k) clearance may simplify treatment of the most challenging of these tumors, high-grade gliomas. The Neosoma High-Grade Glioma (HGG) neuro-oncology software device uses artificial intelligence to provide detailed measurements and 3D analysis that enable greater precision in procedures and better monitoring.
The prognostic role of complement inhibitor CSMD1 was assessed in 1,507 patients with glioma from three different datasets. Results of the bioinformatical analysis suggested that high expression of CSMD1 was associated with increased overall survival and disease-free survival, as well as lower tumor grade.
The U.S. FDA granted breakthrough device designation to startup Brainspec Inc. for its non-invasive virtual brain biopsy system. The company uses standard magnetic resonance imaging equipment to measure brain chemistry rather than to create images, providing a more detailed view of pathophysiology involved in a range of neurological disorders.
The U.S. FDA’s effort to push companies toward more and better randomized, controlled trials ahead of accelerated approvals – apparently driven by the lack of confirmatory studies done afterward – is “an important and meaningful move by the agency,” said Day One Pharmaceuticals Inc. CEO Jeremy Bender. “The industry’s history in that space has been a little mixed.” Bender’s remarks came Aug. 9 as part of a wide-ranging panel discussion hosted by analyst Robert Driscoll during the Wedbush Pacgrow Healthcare Conference.
Day One Biopharmaceuticals Inc.’s phase II data with tovorafenib from the Firefly-1 study in pediatric brain cancer dazzled Wall Street, and shares (NASDAQ:DAWN) closed $14.96, up $8.34, or 126%.
A move by Chimerix Inc. to strengthen its balance sheet by $225 million through the sale of smallpox drug Tembexa (brincidofovir) to biodefense specialist Emergent Biosolutions Inc. and extend its cash runway into 2026, should have proved a big win. Instead, shares (NASDAQ:CMRX) plunged nearly 61% May 16 on worry that Chimerix might be handing off a likely profitable program to fund a riskier oncology pipeline, a concern heightened by recent U.S. FDA feedback indicating lead oncology program ONC-201 might not be eligible for accelerated approval as previously expected.
The tumor microenvironment is critical for the ability of cancers to survive and grow, and some aspects of the microenvironment are studied, and targeted, accordingly. Tumor immunology is one of the most active areas of cancer research and has become a pillar of treatment. Others, not so much. “The nervous system is the last component of the microenvironment that people have left completely unrecognized,” Humsa Venkatesh told BioWorld. Even in brain tumors and metastases, where the presence of neurons is glaringly obvious, there has been little attention to how the two interact until recently.
For brain surgeons, the shift is the sticking point. When a surgeon opens the cranium to remove a tumor, the brain moves as much as 1 cm, making much of the pre-operative mapping of the tumor essentially useless. While the bulk of a lesion can be identified by its density, the tendrils blend into the surrounding tissue – and taking excess margins means more brain damage. Designs for Vision Inc.’s bright idea, a headlamp that illuminates a fluorescing tumor with a laser light, makes brain surgery quicker, safer and more accurate.
Low-grade gliomas with mutated isocitrate dehydrogenase-1 (IDH1) produced and secreted higher levels of the cytokine granulocyte colony-stimulating factor (G-CSF) than other glioma types, which improved their antitumor immune response in animal models.
