Burna AI is for the three groups that produce and depend on adverse event data in clinical research: research sites, pharma and biotech sponsors, and contract research organizations (CROs). Sites, including cancer centers and academic medical centers, use it to lower the cost of adverse event work and run more trials with the same research team, because coordinators and investigators review a prepared grade, attribution and MedDRA code instead of building each one by hand. Sponsors use per-drug attribution during the trial to get the label right the first time, since attribution recorded in the trial shapes the label's warnings and monitoring. CROs use it to lower the cost of delivering safety data across a portfolio, with grading that stays consistent from site to site and graded events filed to Medidata Rave. Oncology is where the engine goes deepest. Trial participants report symptoms between visits in Healthnotes, the participant app a sponsor deploys through its sites.