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Our aim was to assess the pharmacokinetics (PK) and toxicokinetics (TK) of AH following oral administration in Sprague Dawley rats and Beagle dogs by using the liquid chromatography tandem mass spectrometry methods (LC-MS\/MS). The PK studies were carried out in eighteen rats at three doses and six dogs at three rounds of three doses after a single oral administration of AH. The TK studies in rats and dogs were accompanied by the 14-day repeated dosing studies. The PK results revealed that artemisinin was absorbed and cleared rapidly in rats with obvious gender difference and interindividual variability, and the systemic exposure with regard to AUC was positively correlated with the dosage in female rats. However, the kinetics parameters of artemisinin in dogs were not obtained because the plasma concentration was undetectable. The absorption and elimination of hydroxychloroquine in dogs and rats were relatively slow, and no gender difference was observed. The AUC of hydroxychloroquine showed a linear correlation with the dosage, but Cmax varied significantly among individuals. After 14-day repeated oral administration of AH, hydroxychloroquine shows an increase in systemic exposure and accumulation in rats and dogs, whereas the AUC and Cmax of artemisinin remarkably decreased in female rats due to its autoinduction metabolism. The TK results were basically consistent with the dose- and time-dependent toxic reaction in 14-day repeated dosing studies of AH in rats and dogs. The information from our studies could be helpful for further pharmacological and toxicological research and clinical application of AH.<\/jats:p>","DOI":"10.1155\/2021\/6830459","type":"journal-article","created":{"date-parts":[[2021,10,21]],"date-time":"2021-10-21T23:26:17Z","timestamp":1634858777000},"page":"1-12","source":"Crossref","is-referenced-by-count":4,"title":["Pharmacokinetics and Toxicokinetics of Artemisinin-Hydroxychloroquine Sulfate Tablets in Rats and Dogs"],"prefix":"10.1155","volume":"2021","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0862-8444","authenticated-orcid":true,"given":"Xiaobo","family":"Li","sequence":"first","affiliation":[{"name":"Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China"},{"name":"Sci-Tech Industrial Park, Guangzhou University of Chinese Medicine, Guangzhou 510445, China"},{"name":"The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510405, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiaoting","family":"Hu","sequence":"additional","affiliation":[{"name":"Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yueming","family":"Yuan","sequence":"additional","affiliation":[{"name":"Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China"},{"name":"Sci-Tech Industrial Park, Guangzhou University of Chinese Medicine, Guangzhou 510445, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yunhan","family":"Wang","sequence":"additional","affiliation":[{"name":"Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zheng","family":"Yuan","sequence":"additional","affiliation":[{"name":"Sci-Tech Industrial Park, Guangzhou University of Chinese Medicine, Guangzhou 510445, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruidong","family":"Liu","sequence":"additional","affiliation":[{"name":"Sci-Tech Industrial Park, Guangzhou University of Chinese Medicine, Guangzhou 510445, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shouya","family":"Zhang","sequence":"additional","affiliation":[{"name":"Sci-Tech Industrial Park, Guangzhou University of Chinese Medicine, Guangzhou 510445, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhiyong","family":"Xu","sequence":"additional","affiliation":[{"name":"Sci-Tech Industrial Park, Guangzhou University of Chinese Medicine, Guangzhou 510445, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qi","family":"Wang","sequence":"additional","affiliation":[{"name":"Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China"},{"name":"Sci-Tech Industrial Park, Guangzhou University of Chinese Medicine, Guangzhou 510445, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qin","family":"Xu","sequence":"additional","affiliation":[{"name":"Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China"},{"name":"The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510405, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5398-3168","authenticated-orcid":true,"given":"Li","family":"Ru","sequence":"additional","affiliation":[{"name":"Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China"},{"name":"Sci-Tech Industrial Park, Guangzhou University of Chinese Medicine, Guangzhou 510445, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3839-8769","authenticated-orcid":true,"given":"Jianping","family":"Song","sequence":"additional","affiliation":[{"name":"Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China"},{"name":"The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510405, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"crossref","DOI":"10.30875\/60123dd4-en","volume-title":"World Malaria Report 2020: 20 Years of Global Progress and Challenges","author":"World Health Organization","year":"2020"},{"key":"2","doi-asserted-by":"publisher","DOI":"10.1101\/cshperspect.a025619"},{"issue":"4","key":"3","first-page":"306","article-title":"Studies on the occurrence of a strain of chloroquine-resistant Plasmodium falciparum in Papua New Guinea","volume":"21","author":"C. 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