• Laura Corsinovi, Elisa Martinelli, Gianfranco Fonte, Marco Astengo, Alessandro Sona, Antonia Gatti, Massimiliano Massaia, Mario Bo, Mauro Zanocchi, Giuliana Michelis, Gianluca Isaia, and Mario Molaschi.
• Section of Geriatrics, Department of Medical and Surgical Disciplines, University of Turin, Ospedale San Giovanni Battista-Molinette, Corso Bramante 88, I-10126 Torino, Italy. laura.corsinovi@libero.it
• Arch Gerontol Geriatr. 2009 Nov 1;49(3):378-82.

AbstractWe aimed to evaluate the efficacy and safety of oxycodone/acetaminophen (O/A) and codeine/acetaminophen (C/A) vs. conventional therapy (CT) without opioids in older women suffering from osteoarthritis (OA)-related pain, sub-optimally responsive to prior conventional treatments. We performed a 6 week, randomized, single blind, controlled study in three nursing homes. We enrolled 154 women with painful OA. They were assigned to treatment with O/A (n=52) and C/A (n=52) vs. CT (n=50). We evaluated at baseline and at week 6: average pain in the last week (mean pain, MeP), pain at rest (RP), pain in movement (MP) (numeric rating scale, NRS); depressive symptoms (Beck Depression Inventory-II, BDI-II); functional status (activities of daily living, ADL) and cognitive status (mini mental state evaluation, MMSE). We considered the adverse events (AEs) in the study period. At week 6, MeP, RP and MP were significantly reduced in all three groups (p<0.001); compared to CT, O/A and C/A were associated with greater reductions in MeP (p<0.001 and p=0.004, respectively), in RP (p=0.028 and p=0.032, respectively) in MP (p<0.001 and p=0.002, respectively) and with significant improvement in BDI-II score (p=0.05 and p=0.04, respectively) and ADL value (p=0.04 and p=0.05, respectively). AE rates did not differ between groups.

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