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Cancer Drug Shrinks Tumor by 75% in 4 Months
27 Apr
Summary
- A new drug, daraxonrasib, reduced tumor volume by over 75%.
- Former Senator Ben Sasse received this groundbreaking treatment.
- The drug offers significantly longer survival than chemotherapy.

Former Nebraska Senator Ben Sasse has reported remarkable success with a new drug called daraxonrasib in his battle against pancreatic cancer. Sasse, who was diagnosed with advanced pancreatic cancer late last year and given only months to live, shared in a recent interview that daraxonrasib has reduced his tumor volume by over 75% in the past four months. This promising treatment is part of Revolution Medicines' ongoing Phase 3 clinical trials. Daraxonrasib targets RAS-connected cancers, a notoriously aggressive group where pancreatic cancer is highly prevalent.
The drug has demonstrated significant potential to extend life expectancy beyond traditional chemotherapy. In trials, patients receiving daraxonrasib experienced a median overall survival of 13.2 months, substantially more than the 6.7 months observed with standard chemotherapy. While Sasse described the drug as a "miracle," he also noted severe side effects, including skin inflammation. The drug is administered orally once daily and has shown a manageable safety profile in trials, which are being conducted across 60 locations globally.