Psycho-oncology
-
The 'WHO Analgesic Ladder' is a well validated approach for the selection of appropriate analgesic therapy for cancer pain as well as pain in AIDS. The mainstay of analgesic intervention for cancer and AIDS pain of moderate to severe intensity continues to be the appropriate use of opioid analgesics. There is, however, a growing appreciation for the role of adjuvant analgesics, such as antidepressants and other psychotropic medications, at each step of the WHO Analgesic Ladder, particularly in the treatment of neuropathic pain. ⋯ This paper reviews the literature on the use of antidepressants, psychostimulants, neuroleptics, anticonvulsants and other psychotropic analgesics in the management of cancer and AIDS pain. Mechanisms of analgesia, drug selection, and recommendations for clinical usage are discussed. The appropriate and timely use of psychotropic adjuvant analgesic drugs represents an opportunity for active psychiatric contribution to the multidisciplinary management of cancer and AIDS pain.
-
An overview of drug metabolism, with particular focus on the cytochrome p450 system, is provided in this review. To date, there has been a growing body of literature concerning the cytochrome p450 enzyme, drug-drug interactions and the role of psychotropic medications when co-administered with medications prescribed in the medically ill population. ⋯ This information will permit the clinician working in an oncologic setting to better predict potential interactions based on available in vitro and in vivo data and choose psychotropics analytically when confronted with a situation of polypharmacy. A knowledge of drug interactions will decrease the uncertainty in prescription of multidrug therapies and minimize the likelihood of diminished drug efficacy or toxic reactions.