Optimizing Safety of Analgesic Use Among Patients with Arthritis Research ReportJanuary 1, 2005 Findings from this study were published in the following journal articles. Solomon DH, Rassen JA, Glynn RJ, et al. The comparative safety of opioids for nonmalignant pain in older adults. Arch Intern Med 2010;170:1979-86. Solomon DH, Rassen JA, Glynn RJ, et al. The comparative safety of analgesics in older adults with arthritis. Arch Intern Med 2010;170:1968-76.