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Opioid switching and variability in response in pain cancer patients.
Corli, O; Roberto, A; Corsi, N; Galli, F; Pizzuto, M.
Afiliación
  • Corli O; Pain and Palliative Care Research Unit, Oncology Department, Mario Negri Institute for Pharmacological Research IRCCS, Via G. La Masa 19, Milan, Italy.
  • Roberto A; Pain and Palliative Care Research Unit, Oncology Department, Mario Negri Institute for Pharmacological Research IRCCS, Via G. La Masa 19, Milan, Italy.
  • Corsi N; Pain and Palliative Care Research Unit, Oncology Department, Mario Negri Institute for Pharmacological Research IRCCS, Via G. La Masa 19, Milan, Italy. nicole.corsi@marionegri.it.
  • Galli F; Methodology for Clinical Research Laboratory, Oncology Department, Mario Negri Institute for Pharmacological Research IRCCS, Milan, Italy.
  • Pizzuto M; Palliative Care and Pain Therapy Unit, ASST Nord Milano, E. Bassini Hospital, Cinisello Balsamo, Italy.
Support Care Cancer ; 27(6): 2321-2327, 2019 Jun.
Article en En | MEDLINE | ID: mdl-30357556
INTRODUCTION: Opioid switching is a possible strategy for inadequate analgesia or unmanageable side effects. Its effectiveness ranges from 50 to 90% and is still debated. PURPOSE: We analyzed the impact of opioid switching in a cancer pain population treated with strong opioids for pain. METHODS: This is a post hoc analysis from a multicenter, randomized, four-arm, controlled, phase IV clinical trial. Outcome variables included the percentages of switches, the reasons for the switch, the dose changes before and after the switch, depending on the starting opioid, the response in case of inadequate analgesia, and unmanageable toxicity, and the variability of response among and within patients. RESULTS: We analyzed 498 patients. The opioid was switched in 79 patients (15.9%) 87 times, mainly for uncontrolled pain (52.3%), adverse opioid reactions (22.1%), both of these (4.8%), and dysphagia (20.8%). The reasons for switching varied depending on the starting opioid. Pain reduction was good after 51.45% of switches and control of opioid side effects was good after 43.5%. The relief of opioid-induced toxicity varied among adverse events and within each patient. The daily doses were higher after switching oral opioids and lower after transdermal drugs. CONCLUSIONS: Half of the patients who underwent switching experienced improved relief of pain or amelioration of opioid toxicity. The switch can help in the management of some cases but with many limits and uncertainties.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Dolor en Cáncer / Analgésicos Opioides Tipo de estudio: Clinical_trials / Observational_studies / Risk_factors_studies Límite: Aged / Female / Humans / Male Idioma: En Revista: Support Care Cancer Asunto de la revista: NEOPLASIAS / SERVICOS DE SAUDE Año: 2019 Tipo del documento: Article País de afiliación: Italia Pais de publicación: Alemania
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Dolor en Cáncer / Analgésicos Opioides Tipo de estudio: Clinical_trials / Observational_studies / Risk_factors_studies Límite: Aged / Female / Humans / Male Idioma: En Revista: Support Care Cancer Asunto de la revista: NEOPLASIAS / SERVICOS DE SAUDE Año: 2019 Tipo del documento: Article País de afiliación: Italia Pais de publicación: Alemania