Nitrogen compounds can be classified as mineral or organic. Mineral compounds are essentially formed by the ammonium ion (NH4+), which is generated when ammonium salts are dissolved in water. Organic compounds, in contrast, are carbon and hydrogen compounds that contain a nitrogen atom. All organic nitrogen-containing compounds can be considered as derivatives of ammonia in which one or more hydrogen atoms are substituted by hydrocarbon radicals.
The Journal of Medicinal Chemistry releases an article titled "Identification of the Clinical Candidate PF-07284890 (ARRY-461), a Highly Potent and Brain Penetrant BRAF Inhibitor for the Treatment of Cancer". Mutations in the BRAF gene result in MAPK pathway activation that are most commonly found in human melanomas. The BRAF V600E mutation is among the most frequent types. Present BRAF inhibitors have significantly improved treatment outcomes for patients with BRAF V600-mutant cancers. However, their effectiveness is limited by disease progression in the brain as they don’t adequately penetrate the blood-brain barrier (BBB).
Pfizer’s Tinlorafenib (formerly PF 07284890) is a highly brain-penetrant inhibitor of BRAF V600-mutant tumors, and currently in a phase 1 clinical trial (NCT04543188).
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