{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T09:52:04Z","timestamp":1791971524887,"version":"4.3.4"},"reference-count":37,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100007452","name":"Wu Jieping Medical Foundation","doi-asserted-by":"publisher","award":["320.6750.2024\u201005\u201018"],"award-info":[{"award-number":["320.6750.2024\u201005\u201018"]}],"id":[{"id":"10.13039\/100007452","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["accp1.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The Journal of Clinical Pharma"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Oliceridine is an intravenous opioid analgesic for postoperative pain control, but data on transfer into human milk and infant exposure during early breastfeeding remain limited. This study used a postpartum physiologically based pharmacokinetic (PBPK) framework to estimate oliceridine milk exposure and relative infant dose (RID) on postoperative Day 1 (0\u201024 h) after cesarean delivery under a reconstructed patient\u2010controlled intravenous analgesia regimen. Maternal plasma exposure was simulated in PK\u2010Sim; milk exposure was extrapolated using an externally specified milk\u2010to\u2010plasma ratio (M\/P). RID was calculated from mean milk concentration, infant milk intake, and the maternal weight\u2010normalized daily dose. An exposure scaling factor from an independent adult intravenous reference scenario was applied only as a post hoc proportional correction to RID. Morphine benchmarking assessed the physiological plausibility of the M\/P extrapolation step, and a 4\u201024 h temporal sensitivity check examined the influence of the initial accumulation phase. In the base case, maternal plasma AUC over 0\u201024 h was 120.59 ng\u00b7h\/mL; mean plasma and milk concentrations were both 5.025 ng\/mL. The uncorrected model\u2010predicted RID was 0.375%, and the ESF\u2010corrected RID was 0.307%, both below the empirical 10% reference threshold. In one\u2010way sensitivity analysis, M\/P and infant milk intake had greater effects on corrected RID than maternal body weight within the prespecified ranges. The maximum corrected RID was 0.818% in the two\u2010way scan and 1.235% under the prespecified high\u2010exposure scenario. These findings provide a preliminary, assumption\u2010bounded quantitative reference for modeled relative infant exposure under prespecified postoperative Day 1 extrapolation assumptions.<\/jats:p>","DOI":"10.1002\/jcph.70228","type":"journal-article","created":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T18:19:56Z","timestamp":1788286796000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["PBPK\u2010Based Prediction of Oliceridine Exposure in Breast Milk and Relative Infant Dose During the First 24 h After Cesarean Delivery"],"prefix":"10.1002","volume":"66","author":[{"ORCID":"https:\/\/orcid.org\/0009-0002-9087-1784","authenticated-orcid":false,"given":"Yixi","family":"Ding","sequence":"first","affiliation":[{"name":"School of Anesthesiology Shandong Second Medical University  Weifang Shandong China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ke","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology Shengli Oilfield Central Hospital  Dongying Shandong China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuaishuai","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology Shengli Oilfield Central Hospital  Dongying Shandong China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanxu","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology Shengli Oilfield Central Hospital  Dongying Shandong China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xin","family":"Tan","sequence":"additional","affiliation":[{"name":"School of Anesthesiology Shandong Second Medical University  Weifang Shandong China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weimin","family":"Xu","sequence":"additional","affiliation":[{"name":"School of Anesthesiology Shandong Second Medical University  Weifang Shandong China"},{"name":"Department of Anesthesiology Shengli Oilfield Central Hospital  Dongying Shandong China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,9,1]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/anae.15339"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/ACO.0000000000001259"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/jcph.1113"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/psp4.13195"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/psp4.12662"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/psp4.13232"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.3390\/pharmaceutics15112618"},{"issue":"7","key":"e_1_2_8_9_1","first-page":"720","article-title":"Effect of oliceridine patient\u2010controlled intravenous analgesia combined with transversus abdominis plane block on postoperative recovery in obese parturients undergoing cesarean section","volume":"41","author":"Liu K","year":"2025","journal-title":"Journal of Clinical Anesthesiology"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1399-6576.1989.tb02938.x"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1213\/00000539-200201000-00035"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.clpt.2006.02.010"},{"key":"e_1_2_8_13_1","unstructured":"U.S. Food and Drug Administration.OLINVYK (oliceridine) injection for intravenous use CII [prescribing information]. 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