This issue of QuarterWatch analyzes MedWatch Reports from the third quarter of 2015. This issue identifies major differences in reports of cancer associated with drugs for psoriasis, a common skin disorder affecting an estimated 7.5 million people. While corticosteroid and other topical drugs are sufficient for many cases, potent immunosuppressant drugs are used in increasing numbers. This report also provides new evidence that drugs for erectile dysfunction and pulmonary arterial hypertension can cause deafness or sudden hearing loss.
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In Memoriam: Dr. Donald Mattison (1944-2026)
In Memoriam: Dr. Donald Mattison (1944-2026)
Dr. Donald Mattison passed away at his home in Columbia, South Carolina on Sunday, March 22, with his family present.
Don joined Risk Sciences International (RSI) in 2012 as Vice President and Chief Medical Officer, following a distinguished career spanning government, academia, and clinical practice in the United States. During his time at RSI, he contributed to 47 scientific publications and served as a trusted mentor and colleague to many across the organization.
RSI CEO Greg Paoli Named Fellow of the Society for Risk Analysis
Risk Sciences International (RSI) is proud to announce that CEO Greg Paoli has been designated as a Fellow of the Society for Risk Analysis (SRA).…
Bias Assessment in Case-Control and Cohort Studies for Hazard Identification
IARC recently published a volume on quantitative bias modelling: Bias assessment in case–control and cohort studies for hazard identification (IARC Scientific Publication No. 171). We…
RSI Helps Strengthen Food Safety Culture in Vietnam
In mid-October 2025, Vietnamese and Canadian experts convened in Đà Nẵng to exchange approaches for strengthening food safety through risk science. The workshop brought together…