{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T03:44:09Z","timestamp":1792467849524,"version":"4.5.0"},"reference-count":24,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2024,6,6]],"date-time":"2024-06-06T00:00:00Z","timestamp":1717632000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100020272","name":"Korean Gastric Cancer Association","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100020272","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Pharmacol."],"abstract":"<jats:p><jats:bold>Introduction:<\/jats:bold> Systemic chemotherapy is typically administered following radical gastrectomy for advanced stage. To attenuate systemic side effects, we evaluated the effectiveness of regional chemotherapy using paclitaxel, albumin-paclitaxel, and liposome-encapsulated albumin-paclitaxel via subserosal injection in rat models employing nuclear medicine and molecular imaging technology.<\/jats:p><jats:p><jats:bold>Method:<\/jats:bold> Nine Sprague Dawley rats were divided into three groups: paclitaxel (<jats:italic>n<\/jats:italic> = 3), albumin-paclitaxel nano-particles (APNs; <jats:italic>n<\/jats:italic> = 3), and liposome-encapsulated APNs (<jats:italic>n<\/jats:italic> = 3). [<jats:sup>123<\/jats:sup>I]Iodo-paclitaxel ([<jats:sup>123<\/jats:sup>I]I-paclitaxel) was synthesized by conventional electrophilic radioiodination using <jats:italic>tert<\/jats:italic>-butylstannyl substituted paclitaxel as the precursor. Albumin-[<jats:sup>123<\/jats:sup>I]iodo-paclitaxel nanoparticles ([<jats:sup>123<\/jats:sup>I]APNs) were prepared using a desolvation technique. Liposome-encapsulated APNs (L-[<jats:sup>123<\/jats:sup>I]APNs) were prepared by thin-film hydration using DSPE-PEG2000, HSPC, and cholesterol. The rats in each group were injected with each test drug into the subserosa of the stomach antrum. After predetermined times (30\u00a0min, 2, 4, 8\u00a0h, and 24\u00a0h), molecular images of nuclear medicine were acquired using single-photon emission computed tomography\/computed tomography.<\/jats:p><jats:p><jats:bold>Results:<\/jats:bold> Paclitaxel, APNs, and L-APNs showed a high cumulative distribution in the stomach, with L-APNs showing the largest area under the curve. Most drugs administered via the gastric subserosal route are distributed in the stomach and intestines, with a low uptake of less than 1% in other major organs. The time to reach the maximum concentration in the intestine for L-APNs, paclitaxel, and APNs was 6.67, 5.33, and 4.00\u00a0h, respectively.<\/jats:p><jats:p><jats:bold>Conclusion:<\/jats:bold> These preliminary results imply that L-APNs have the potential to serve as a novel paclitaxel preparation method for the regional treatment of gastric cancer.<\/jats:p>","DOI":"10.3389\/fphar.2024.1381406","type":"journal-article","created":{"date-parts":[[2024,6,11]],"date-time":"2024-06-11T19:28:45Z","timestamp":1718134125000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":10,"title":["Pharmacokinetic evaluation of paclitaxel, albumin-binding paclitaxel, and liposomal-encapsulated albumin-binding paclitaxel upon gastric subserosal administration"],"prefix":"10.3389","volume":"15","author":[{"given":"Yoontaek","family":"Lee","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sun Mi","family":"Park","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"In Ho","family":"Song","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bom Sahn","family":"Kim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hyun Soo","family":"Park","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Byung Seok","family":"Moon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hyung-Ho","family":"Kim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2024,6,6]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"652","DOI":"10.1111\/j.1349-7006.1994.tb02409.x","article-title":"Chemotherapy targeting regional lymph nodes by gastric submucosal injection of liposomal Adriamycin in patients with gastric carcinoma","volume":"85","author":"Akamo","year":"1994","journal-title":"Jpn. 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