Purpose. Improper storage, use, and disposal of prescribed opioids can lead to diversion or accidental poisoning. Our objective was to determine the patterns of storage, utilization, and disposal of opioids among cancer outpatients. Patients and Methods. We surveyed 300 adult cancer outpatients receiving opioids in our supportive care center and collected information regarding opioid use, storage, and disposal, along with scores on the CAGE (cut down, annoyed, guilty, eye-opener) alcoholism screening questionnaire. Unsafe use was defined as sharing or losing opioids; unsafe storage was defined as storing opioids in plain sight. Results. The median age was 57 years. CAGE was positive in 58 of 300 patients (19%), and 26 (9%) had a history of illicit drug use. Fifty-six (19%) stored opioids in plain sight, 208 (69%) kept opioids hidden but unlocked, and only 28 (9%) locked their opioids. CAGE-positive patients (p 5 .007) and those with a history of illicit drug use (p 5 .0002) or smoking (p 5 .03) were more likely to lock their opioids. Seventy-eight (26%) reported unsafe use by sharing (9%) or losing (17%) their opioids. Patients who were never married or single (odds ratio: 2.92; 95% confidence interval: 1.48-5.77; p 5 .006), were CAGE positive (40% vs. 21%; p 5 .003), or had a history of illicit drug use (42% vs. 23%; p 5 .031) were more likely to use opioids unsafely. Overall, 223 of 300 patients (74%) were unaware of proper opioid disposal methods, and 138 (46%) had unused opioids at home. Conclusion. A large proportion of cancer patients improperly and unsafely use, store, and dispose of opioids, highlighting the need for establishment of easily accessed patient education and drug take-back programs. The Oncologist 2014;19:780-785 Implications for Practice: In our study, a large proportion of cancer outpatients did not store, use, and dispose of opioids safely. Our findings reveal the need for universal education of all patients receiving opioids regarding safety around opioid use to minimize the risks of diversion or accidental poisoning. Strict implementation of patient education resources at the time all opioids are prescribed (by physicians) and dispensed (by pharmacists) could significantly decrease the amount of unused opioids available for diversion or accidental poisoning.

BACKGROUND: Transdermal fentanyl (TDF) is 1 of the most common opioids prescribed to patients with cancer. However, the accurate opioid rotation ratio (ORR) from other opioids to TDF is unknown, and various currently used methods result in wide variation of the ORR. The objective of this study was to determine the ORR of the oral morphine equivalent daily dose (MEDD) to the TDF dose when correcting for the MEDD of breakthrough opioids (the net MEDD) in cancer outpatients. METHODS: The records of 6790 consecutive patients were reviewed at the authors' supportive care center from 2010 to 2013 to identify those who underwent rotation from other opioids to TDF. Data regarding Edmonton Symptom Assessment Scale scores and MEDDs were collected for patients who returned for a follow-up visit within 5 weeks. Linear regression analysis was used to estimate the ORR between the TDF dose and the net MEDD (the MEDD before opioid rotation [OR] minus the MEDD of the breakthrough opioid used along with TDF after OR). RESULTS: In total, 129 patients underwent OR from other opioids to TDF. The mean patient age was 56 years, 59% were men, and 88% had advanced cancer. Uncontrolled pain (80%) was the most frequent reason for OR. In 101 patients who underwent OR and had no worsening of pain at follow-up, the median ORR from net MEDD to TDF (in mg per day) was 0.01 (range, 20.02 to 0.04), and the correlation coefficient of the TDF dose to the net MEDD was 0.77 (P <.0001). The ORR was not significantly impacted by body mass index or serum albumin. The ORR of 0.01 suggests that an MEDD of 100 mg is equivalent to 1 mg TDF daily or approximately 40 micrograms per hour of TDF (1000 micrograms/24 hours). CONCLUSIONS: The median ORR from MEDD to TDF in mg per day was 0.01. These results warrant further studies Cancer 2016;122:149-56. V C 2015 American Cancer Society.KEYWORDS: cancer pain, cancer patients, conversion ratio, fentanyl transdermal, morphine equivalent daily dose, opioid rotation, supportive care. INTRODUCTIONA large majority of patients with cancer experience pain. 1 Opioids are the preferred medications to treat cancer-related pain. 2,3 Chronic use of opioids may result in accumulation of the parent opioid and its metabolites, resulting in opioidinduced neurotoxicity (OIN), characterized by symptoms such as excessive sedation, delirium, hallucinations, myoclonus, and seizures. 4 The preferred treatment for OIN and refractory pain involves opioid rotation (OR), which is substituting 1 opioid by another using equianalgesic tables. [5][6][7][8][9][10][11][12] The lack of accurate OR ratios (ORRs) from 1 opioid to another can result in uncontrolled pain, overdosing, or even fatal outcomes. 13,14 Moreover, there are several published equianalgesic tables involving inconsistent ORRs, 13 and most of the evidence supporting the ratios are studies involving a single-dose administration rather than chronic opioid administration. 15 Almost 33% of cancer patients receiving opioids will require OR. 16,17 Apart from uncontrolled pain and OIN...

Purpose. Cancer pain management guidelines recommend initial treatment with intermediate‐strength analgesics such as hydrocodone and subsequent escalation to stronger opioids such as morphine. There are no published studies on the process of opioid rotation (OR) from hydrocodone to strong opioids in cancer patients. Our aim was to determine the opioid rotation ratio (ORR) of hydrocodone to morphine equivalent daily dose (MEDD) in cancer outpatients. Patients and Methods. We reviewed the records of consecutive patient visits at our supportive care center in 2011–2012 for OR from hydrocodone to stronger opioids. Data regarding demographics, Edmonton Symptom Assessment Scale (ESAS), and MEDD were collected from patients who returned for follow‐up within 6 weeks. Linear regression analysis was used to estimate the ORR between hydrocodone and MEDD. Successful OR was defined as 2‐point or 30% reduction in the pain score and continuation of the new opioid at follow‐up. Results. Overall, 170 patients underwent OR from hydrocodone to stronger opioid. The median age was 59 years, and 81% had advanced cancer. The median time between OR and follow‐up was 21 days. We found 53% had a successful OR with significant improvement in the ESAS pain and symptom distress scores. In 100 patients with complete OR and no worsening of pain at follow‐up, the median ORR from hydrocodone to MEDD was 1.5 (quintiles 1–3: 0.9–2). The ORR was associated with hydrocodone dose (r = −.52; p < .0001) and was lower in patients receiving ≥40 mg of hydrocodone per day (p < .0001). The median ORR of hydrocodone to morphine was 1.5 (n = 44) and hydrocodone to oxycodone was 0.9 (n = 24). Conclusion. The median ORR from hydrocodone to MEDD was 1.5 and varied according to hydrocodone dose.

PURPOSE: An understanding of opioid prescription and cost patterns is important to optimize pain management for patients with advanced cancer. This study aimed to determine opioid prescription and cost patterns and to identify opioid prescription predictors in patients with advanced cancer who received inpatient palliative care (IPC). MATERIALS AND METHODS: We reviewed data from 807 consecutive patients with cancer who received IPC in each October from 2008 through 2014. Patient characteristics; opioid types; morphine equivalent daily dose (MEDD) in milligrams per day of scheduled opioids before, during, and after hospitalization; and in-admission opioid cost per patient were assessed. We determined symptom changes between baseline and follow-up palliative care visits and the in-admission opioid prescription predictors. RESULTS: A total of 714 (88%) of the 807 patients were evaluable. The median MEDD per patient decreased from 150 mg/d in 2008 to 83 mg/d in 2014 ( P < .001). The median opioid cost per patient decreased and then increased from $22.97 to $40.35 over the 7 years ( P = .03). The median MEDDs increased from IPC to discharge by 67% ( P < .001). The median Edmonton Symptom Assessment Scale pain improvement at follow-up was 1 ( P < .001). Younger patients with advanced cancer (odds ratio [OR[, 0.95; P < . 001) were prescribed higher preadmission MEDDs (OR, 1.01; P < .001) more often in the earlier study years (2014 v 2009: OR, 0.18 [ P = .004] v 0.30 [ P = .02]) and tended to use high MEDDs (> 75 mg/d) during hospitalization. CONCLUSION: The MEDD per person decreased from 2008 to 2014. The opioid cost per patient decreased from 2008 to 2011 and then increased from 2012 to 2014. Age, prescription year, and preadmission opioid doses were significantly associated with opioid doses prescribed to patients with advanced cancer who received IPC.

Background There is limited information regarding the true frequency of nonmedical opioid use (NMOU) among patients receiving opioid therapy for cancer pain. Data to guide patient selection for urine drug testing (UDT) as well as the timing and frequency of ordering UDT are insufficient. This study examined the frequency of abnormal UDT among patients with cancer who underwent random UDT and their characteristics. Methods Demographic and clinical information for patients with cancer who underwent random UDT were retrospectively reviewed and compared with a historical cohort that underwent targeted UDT. Random UDT was ordered regardless of a patient's risk potential for NMOU. Targeted UDT was ordered on the basis of a physician's estimation of a patient's risk for NMOU. Results In all, 552 of 573 eligible patients (96%) underwent random UDT. Among these patients, 130 (24%) had 1 or more abnormal results; 38 of the 88 patients (43%) who underwent targeted UDT had 1 or more abnormal results. When marijuana was excluded, 15% of the random group and 37% of the targeted group had abnormal UDT findings (P < .001). It took a shorter time from the initial consultation to detect 1 or more abnormalities with the random test than the targeted test (median, 130 vs 274 days; P = .02). Abnormal random UDT was independently associated with younger age (P < .0001), male sex (P = .03), Cut Down, Annoyed, Guilty, and Eye Opener–Adapted to Include Drugs positivity (P = .001), and higher Edmonton Symptom Assessment System anxiety (P = .01). Conclusions Approximately 1 in 4 patients receiving opioids for cancer pain at a supportive care clinic who underwent random UDT had 1 or more abnormalities. Random UDT detected abnormalities earlier than the targeted test. These findings suggest that random UDT is justified among patients with cancer pain.

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Summary Although thyroid abnormalities are reported with the use of tyrosine kinase inhibitors (TKI), patients rarely require replacement therapy. The initial multicenter studies of sunitinib for metastatic renal cancer did not report hypothyroidism in fatigued patients, and thyroid tests were not routinely monitored. More recent studies however, suggest up to 70% of patients develop thyroid test abnormalities during treatment with sunitinib. Despite these concerns, the clinical relevance of sunitinib-induced hypothyroidism is uncertain since thyroid gland recovery is the norm in most patients .We report a case of a patient with metastatic papillary renal cell cancer on combination anti-angiogenic therapy with sunitinib, who developed unusually high Thyroid Stimulating Hormone levels and severe symptoms despite receiving L-thyroxine. Our case also illustrates the complexity of managing sunitinib associated thyroid dysfunction, which may be accompanied by transient thyroiditis, hyperthyroidism and profound hypothyroidism.

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