{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T02:56:47Z","timestamp":1787021807445,"version":"build-2736575974"},"update-to":[{"DOI":"10.1371\/journal.pmed.1003709","type":"new_version","label":"New version","source":"publisher","updated":{"date-parts":[[2021,7,29]],"date-time":"2021-07-29T00:00:00Z","timestamp":1627516800000}}],"reference-count":61,"publisher":"Public Library of Science (PLoS)","issue":"7","license":[{"start":{"date-parts":[[2021,7,15]],"date-time":"2021-07-15T00:00:00Z","timestamp":1626307200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000050","name":"National Heart, Lung, and Blood Institute","doi-asserted-by":"publisher","award":["HL081707"],"award-info":[{"award-number":["HL081707"]}],"id":[{"id":"10.13039\/100000050","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["www.plosmedicine.org"],"crossmark-restriction":false},"short-container-title":["PLoS Med"],"abstract":"<jats:sec id=\"sec001\">\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Benzodiazepine hypnotics and the related nonbenzodiazepine hypnotics (z-drugs) are among the most frequently prescribed medications for older adults. Both can depress respiration, which could have fatal cardiorespiratory effects, particularly among patients with concurrent opioid use. Trazodone, frequently prescribed in low doses for insomnia, has minimal respiratory effects, and, consequently, may be a safer hypnotic for older patients. Thus, for patients beginning treatment with benzodiazepine hypnotics or z-drugs, we compared deaths during periods of current hypnotic use, without or with concurrent opioids, to those for comparable patients receiving trazodone in doses up to 100 mg.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"sec002\">\n                    <jats:title>Methods and findings<\/jats:title>\n                    <jats:p>\n                      The retrospective cohort study in the United States included 400,924 Medicare beneficiaries 65 years of age or older without severe illness or evidence of substance use disorder initiating study hypnotic therapy from January 2014 through September 2015. Study endpoints were out-of-hospital (primary) and total mortality. Hazard ratios (HRs) were adjusted for demographic characteristics, psychiatric and neurologic disorders, cardiovascular and renal conditions, respiratory diseases, pain-related diagnoses and medications, measures of frailty, and medical care utilization in a time-dependent propensity score\u2013stratified analysis. Patients without concurrent opioids had 32,388 person-years of current use, 260 (8.0\/1,000 person-years) out-of-hospital and 418 (12.9\/1,000) total deaths for benzodiazepines; 26,497 person-years,150 (5.7\/1,000) out-of-hospital and 227 (8.6\/1,000) total deaths for z-drugs; and 16,177 person-years,156 (9.6\/1,000) out-of-hospital and 256 (15.8\/1,000) total deaths for trazodone. Out-of-hospital and total mortality for benzodiazepines (respective HRs: 0.99 [95% confidence interval, 0.81 to 1.22,\n                      <jats:italic>p<\/jats:italic>\n                      = 0.954] and 0.95 [0.82 to 1.14,\n                      <jats:italic>p<\/jats:italic>\n                      = 0.513] and z-drugs (HRs: 0.96 [0.76 to 1.23],\n                      <jats:italic>p<\/jats:italic>\n                      = 0.767 and 0.87 [0.72 to 1.05],\n                      <jats:italic>p<\/jats:italic>\n                      = 0.153) did not differ significantly from that for trazodone. Patients with concurrent opioids had 4,278 person-years of current use, 90 (21.0\/1,000) out-of-hospital and 127 (29.7\/1,000) total deaths for benzodiazepines; 3,541 person-years, 40 (11.3\/1,000) out-of-hospital and 64 (18.1\/1,000) total deaths for z-drugs; and 2,347 person-years, 19 (8.1\/1,000) out-of-hospital and 36 (15.3\/1,000) total deaths for trazodone. Out-of-hospital and total mortality for benzodiazepines (HRs: 3.02 [1.83 to 4.97],\n                      <jats:italic>p<\/jats:italic>\n                      &lt; 0.001 and 2.21 [1.52 to 3.20],\n                      <jats:italic>p<\/jats:italic>\n                      &lt; 0.001) and z-drugs (HRs: 1.98 [1.14 to 3.44],\n                      <jats:italic>p<\/jats:italic>\n                      = 0.015 and 1.65 [1.09 to 2.49],\n                      <jats:italic>p<\/jats:italic>\n                      = 0.018) were significantly increased relative to trazodone; findings were similar with exclusion of overdose deaths or restriction to those with cardiovascular causes. Limitations included composition of the study cohort and potential confounding by unmeasured variables.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"sec003\">\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>In US Medicare beneficiaries 65 years of age or older without concurrent opioids who initiated treatment with benzodiazepine hypnotics, z-drugs, or low-dose trazodone, study hypnotics were not associated with mortality. With concurrent opioids, benzodiazepines and z-drugs were associated with increased out-of-hospital and total mortality. These findings indicate that the dangers of benzodiazepine\u2013opioid coadministration go beyond the documented association with overdose death and suggest that in combination with opioids, the z-drugs may be more hazardous than previously thought.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1371\/journal.pmed.1003709","type":"journal-article","created":{"date-parts":[[2021,7,15]],"date-time":"2021-07-15T13:46:53Z","timestamp":1626356813000},"page":"e1003709","update-policy":"https:\/\/doi.org\/10.1371\/journal.pmed.corrections_policy","source":"Crossref","is-referenced-by-count":31,"title":["Mortality and concurrent use of opioids and hypnotics in older patients: A retrospective cohort study"],"prefix":"10.1371","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9188-9017","authenticated-orcid":true,"given":"Wayne A.","family":"Ray","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5908-9423","authenticated-orcid":true,"given":"Cecilia P.","family":"Chung","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1342-4457","authenticated-orcid":true,"given":"Katherine T.","family":"Murray","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Beth A.","family":"Malow","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"James R.","family":"Daugherty","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C. 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