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Szkutnik-Fiedler D, Szałek E, Otto F, Czyrski A, Karaźniewicz-Łada M, Wolc A, Grześkowiak E, Lewandowski K, Karbownik A. Pharmacokinetic interaction between regorafenib and atorvastatin in rats. Pharmacol Rep 2024:10.1007/s43440-024-00570-z. [PMID: 38632186 DOI: 10.1007/s43440-024-00570-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 01/26/2024] [Accepted: 01/29/2024] [Indexed: 04/19/2024]
Abstract
BACKGROUND Regorafenib is used in the treatment of colorectal cancer and hepatocellular carcinoma. Due to the co-morbidity of hyperlipidemia in these conditions, statins, including atorvastatin, are used as potential adjuvant therapy agents. Both regorafenib and atorvastatin are metabolized by CYP3A4. In addition, atorvastatin is a P-gp and BCRP substrate, whereas regorafenib and its active metabolites M-2 and M-5 are inhibitors of these transporters. Hence, the concomitant use of both drugs may increase the risk of a clinically significant drug-drug interaction. Therefore, the present study aimed to assess the pharmacokinetic interactions of atorvastatin and regorafenib and their active metabolites. METHODS Male Wistar rats were assigned to three groups (eight animals in each) and were orally administered: regorafenib and atorvastatin (IREG+ATO), a carrier with regorafenib (IIREG), and atorvastatin with a carrier (IIIATO). Blood samples were collected for 72 h. UPLC-MS/MS was the method of measurement of regorafenib and atorvastatin concentrations. The pharmacokinetic parameters were calculated with a non-compartmental model. RESULTS A single administration of atorvastatin increased the exposure to regorafenib and its active metabolites. In the IREG+ATO group, the Cmax, AUC0-t, and AUC0-∞ of regorafenib increased 2.7, 3.2, and 3.2-fold, respectively. Atorvastatin also significantly increased the Cmax, AUC0-t, and AUC0-∞ of both regorafenib metabolites. Regorafenib, in turn, decreased the AUC0-t and AUC0-∞ of 2-OH atorvastatin by 86.9% and 67.3%, and the same parameters of 4-OH atorvastatin by 45.0% and 46.8%, respectively. CONCLUSIONS This animal model study showed a significant pharmacokinetic interaction between regorafenib and atorvastatin. While this interaction may be clinically significant, this needs to be confirmed in clinical trials involving cancer patients.
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Affiliation(s)
- Danuta Szkutnik-Fiedler
- Department of Clinical Pharmacy and Biopharmacy, Poznań University of Medical Sciences, Rokietnicka 3, 60-806, Poznań, Poland
| | - Edyta Szałek
- Department of Clinical Pharmacy and Biopharmacy, Poznań University of Medical Sciences, Rokietnicka 3, 60-806, Poznań, Poland
| | - Filip Otto
- Department of Clinical Pharmacy and Biopharmacy, Poznań University of Medical Sciences, Rokietnicka 3, 60-806, Poznań, Poland.
| | - Andrzej Czyrski
- Department of Physical Pharmacy and Pharmacokinetics, Poznań University of Medical Sciences, Rokietnicka 3, 60-806, Poznań, Poland
| | - Marta Karaźniewicz-Łada
- Department of Physical Pharmacy and Pharmacokinetics, Poznań University of Medical Sciences, Rokietnicka 3, 60-806, Poznań, Poland
| | - Anna Wolc
- Department of Animal Science, Iowa State University, 239E Kildee Hall, Ames, IA, 50011, USA
- Hy-Line International, 2583 240th Street, Dallas Center, IA, 50063, USA
| | - Edmund Grześkowiak
- Department of Clinical Pharmacy and Biopharmacy, Poznań University of Medical Sciences, Rokietnicka 3, 60-806, Poznań, Poland
| | - Konrad Lewandowski
- Department of Clinical Pharmacy and Biopharmacy, Poznań University of Medical Sciences, Rokietnicka 3, 60-806, Poznań, Poland
| | - Agnieszka Karbownik
- Department of Clinical Pharmacy and Biopharmacy, Poznań University of Medical Sciences, Rokietnicka 3, 60-806, Poznań, Poland
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Fan N, Du L, Guo T, Liu M, Chen X. Pharmacokinetic Interaction Between Imatinib and Metformin in Rats. Eur J Drug Metab Pharmacokinet 2024; 49:171-179. [PMID: 38141154 DOI: 10.1007/s13318-023-00869-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/12/2023] [Indexed: 12/24/2023]
Abstract
BACKGROUND AND OBJECTIVE Imatinib is primarily transported into the liver by organic cation transporter 1 (OCT1), organic anion transporting polypeptide 1B3 (OATP1B3), and novel organic cation transporter 2 (OCTN2), which is the first step in the metabolic and elimination of imatinib. Patients taking imatinib may concurrently take metformin, a substrate for OCT1. Drug-drug interactions (DDI) may occur between imatinib and metformin, affecting the clinical efficacy of imatinib. This experiment aimed to investigate the pharmacokinetic effects of metformin on imatinib and its active metabolism of N-desmethyl imatinib in rats. METHODS Twenty healthy Sprague-Dawley rats were selected and randomly divided into control and experimental groups (10 rats per group). The control group was orally administered imatinib (30 mg/kg) for 14 days, and the experimental group was orally co-administered imatinib (30 mg/kg) and metformin (200 mg/kg) for 14 days. The plasma concentrations of imatinib and N-desmethyl imatinib in rats were determined by ultra-performance liquid chromatography-mass spectrometry. Pharmacokinetic parameters were calculated by DAS2.0 software. RESULTS After single-dose co-administration of imatinib and metformin on day 1, the AUC0-24 (area under the plasma concentration-time curve) and Cmax (maximum concentration) of imatinib and the MRT (mean residence time) and Cmax of N-desmethyl imatinib in the experimental group were significantly decreased compared with the control group (P < 0.05). After multiple-dose co-administration of imatinib and metformin for 14 days, the AUC0-24 and Cmax of both imatinib and N-desmethyl imatinib were significantly decreased in the experimental group (P < 0.05). CONCLUSION With both single and multiple co-administration doses, metformin significantly changed the pharmacokinetic parameters of imatinib and N-desmethyl imatinib. The results suggest that care should be taken when metformin and imatinib are co-administered.
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Affiliation(s)
- Naling Fan
- Department of Pharmacy, The Fourth Hospital of Hebei Medical University, Hebei Key Laboratory of clinical Pharmacy, Health Road, Chang'an District, Shijiazhuang City, Hebei Province, People's Republic of China
| | - Liying Du
- Department of Pharmacy, The Fourth Hospital of Hebei Medical University, Hebei Key Laboratory of clinical Pharmacy, Health Road, Chang'an District, Shijiazhuang City, Hebei Province, People's Republic of China
| | - Teng Guo
- Department of Pharmacy, The Fourth Hospital of Hebei Medical University, Hebei Key Laboratory of clinical Pharmacy, Health Road, Chang'an District, Shijiazhuang City, Hebei Province, People's Republic of China
| | - Mingfeng Liu
- Department of Pharmacy, The Fourth Hospital of Hebei Medical University, Hebei Key Laboratory of clinical Pharmacy, Health Road, Chang'an District, Shijiazhuang City, Hebei Province, People's Republic of China
| | - Xinran Chen
- Department of Pharmacy, The Fourth Hospital of Hebei Medical University, Hebei Key Laboratory of clinical Pharmacy, Health Road, Chang'an District, Shijiazhuang City, Hebei Province, People's Republic of China.
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Chen X, Luo Z, Hu Z, Sun D, He Y, Lu J, Chen L, Liu S. Discovery of potent thiazolidin-4-one sulfone derivatives for inhibition of proliferation of osteosarcoma in vitro and in vivo. Eur J Med Chem 2024; 266:116082. [PMID: 38232462 DOI: 10.1016/j.ejmech.2023.116082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 12/18/2023] [Accepted: 12/19/2023] [Indexed: 01/19/2024]
Abstract
Chemotherapy combining with surgical treatment has been the main strategy for osteosarcoma treatment in clinical. Due to unclear pathogenesis and unidentified drug targets, significant progress has not been made in the development of targeted drugs for osteosarcoma during the past 50 years. Our previous discovery reported compound R-8i with a high potency for the treatment of osteosarcoma by phenotypic screening. However, both the metabolic stability and bioavailability of R-8i are poor (T1/2 = 5.36 min, mouse liver microsome; and bioavailability in vivo F = 52.1 %, intraperitoneal administration) which limits it use for further drug development. Here, we described an extensive structure-activity relationship study of thiazolidine-4-one sulfone inhibitors from R-8i, which led to the discovery of compound 68. Compound 68 had a potent cellular activity with an IC50 value of 0.217 μM, much higher half-life (T1/2 = 73.8 min, mouse liver microsome) and an excellent pharmacokinetic profile (in vivo bioavailability F = 115 %, intraperitoneal administration). Compound 68 also showed good antitumor effects and low toxicity in a xenograft model (44.6 % inhibition osteosarcoma growth in BALB/c mice). These results suggest that compound 68 is a potential drug candidate for the treatment of osteosarcoma.
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Affiliation(s)
- Xuwen Chen
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, China
| | - Zhengli Luo
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, China
| | - Zongjing Hu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, China
| | - Donghui Sun
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, China
| | - Yingying He
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, China
| | - Jiani Lu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Lili Chen
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Shunying Liu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, China.
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Stanisławiak-Rudowicz J, Karbownik A, Szkutnik-Fiedler D, Otto F, Grabowski T, Wolc A, Grześkowiak E, Szałek E. Bidirectional pharmacokinetic drug interactions between olaparib and metformin. Cancer Chemother Pharmacol 2024; 93:79-88. [PMID: 37815561 PMCID: PMC10796410 DOI: 10.1007/s00280-023-04591-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 09/10/2023] [Indexed: 10/11/2023]
Abstract
OBJECTIVE Olaparib is a PARP (poly-ADP-ribose polymerase) inhibitor used for maintenance therapy in BRCA-mutated cancers. Metformin is a first-choice drug used in the treatment of type 2 diabetes. Both drugs are commonly co-administered to oncologic patients with add-on type 2 diabetes mellitus. Olaparib is metabolized by the CYP3A4 enzyme, which may be inhibited by metformin through the Pregnane X Receptor. In vitro studies have shown that olaparib inhibits the following metformin transporters: OCT1, MATE1, and MATE2K. The aim of the study was to assess the influence of 'the perpetrator drug' on the pharmacokinetic (PK) parameters of 'the victim drug' after a single dose. To evaluate the effect, the AUC0→∞ (area under the curve) ratio was determined (the ratio between AUC0→∞ in the presence of the perpetrator and AUC0→∞ without the presence of the perpetrator). METHODS Male Wistar rats were assigned to three groups (eight animals in each group), which were orally administered: metformin and olaparib (IMET+OLA), vehiculum with metformin (IIMET), and vehiculum with olaparib (IIIOLA). Blood samples were collected after 24 h. HPLC was applied to measure the concentrations of olaparib and metformin. The PK parameters were calculated in a non-compartmental model. RESULTS Metformin did not affect the olaparib PK parameters. The AUC0→∞ IMET+OLA/IIIOLA ratio was 0.99. Olaparib significantly increased the metformin Cmax (by 177.8%), AUC0→t (by 159.8%), and AUC0→∞ (by 74.1%). The AUC0→∞ IMET+OLA/IIMET ratio was 1.74. CONCLUSIONS A single dose of metformin did not affect the PK parameters of olaparib, nor did it inhibit the olaparib metabolism, but olaparib significantly changed the metformin pharmacokinetics, which may be of clinical importance.
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Affiliation(s)
- Joanna Stanisławiak-Rudowicz
- Department of Clinical Pharmacy and Biopharmacy, Poznań University of Medical Sciences, Rokietnicka 3, 60-806, Poznań, Poland.
- Poznań University Clinical Hospital, Szamarzewskiego 84/86, 60-569, Poznań, Poland.
| | - Agnieszka Karbownik
- Department of Clinical Pharmacy and Biopharmacy, Poznań University of Medical Sciences, Rokietnicka 3, 60-806, Poznań, Poland
| | - Danuta Szkutnik-Fiedler
- Department of Clinical Pharmacy and Biopharmacy, Poznań University of Medical Sciences, Rokietnicka 3, 60-806, Poznań, Poland
| | - Filip Otto
- Department of Clinical Pharmacy and Biopharmacy, Poznań University of Medical Sciences, Rokietnicka 3, 60-806, Poznań, Poland
| | - Tomasz Grabowski
- Department of Inorganic Chemistry, Faculty of Pharmacy, Medical University of Gdańsk, M. Skłodowskiej-Curie 3a, 80-210, Gdańsk, Poland
| | - Anna Wolc
- Department of Animal Science, Iowa State University, 239E Kildee Hall, Ames, IA, 50011, USA
- Hy-Line International, 2583 240th Street, Dallas Center, IA, 50063, USA
| | - Edmund Grześkowiak
- Department of Clinical Pharmacy and Biopharmacy, Poznań University of Medical Sciences, Rokietnicka 3, 60-806, Poznań, Poland
| | - Edyta Szałek
- Department of Clinical Pharmacy and Biopharmacy, Poznań University of Medical Sciences, Rokietnicka 3, 60-806, Poznań, Poland
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The Role of Organic Cation Transporters in the Pharmacokinetics, Pharmacodynamics and Drug-Drug Interactions of Tyrosine Kinase Inhibitors. Int J Mol Sci 2023; 24:ijms24032101. [PMID: 36768423 PMCID: PMC9917293 DOI: 10.3390/ijms24032101] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 01/21/2023] Open
Abstract
Tyrosine kinase inhibitors (TKIs) decisively contributed in revolutionizing the therapeutic approach to cancer, offering non-invasive, tolerable therapies for a better quality of life. Nonetheless, degree and duration of the response to TKI therapy vary depending on cancer molecular features, the ability of developing resistance to the drug, on pharmacokinetic alterations caused by germline variants and unwanted drug-drug interactions at the level of membrane transporters and metabolizing enzymes. A great deal of approved TKIs are inhibitors of the organic cation transporters (OCTs). A handful are also substrates of them. These transporters are polyspecific and highly expressed in normal epithelia, particularly the intestine, liver and kidney, and are, hence, arguably relevant sites of TKI interactions with other OCT substrates. Moreover, OCTs are often repressed in cancer cells and might contribute to the resistance of cancer cells to TKIs. This article reviews the OCT interactions with approved and in-development TKIs reported in vitro and in vivo and critically discusses the potential clinical ramifications thereof.
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Development of UPLC-MS/MS Method to Study the Pharmacokinetic Interaction between Sorafenib and Dapagliflozin in Rats. Molecules 2022; 27:molecules27196190. [PMID: 36234746 PMCID: PMC9571628 DOI: 10.3390/molecules27196190] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/18/2022] [Accepted: 09/19/2022] [Indexed: 11/17/2022] Open
Abstract
Sorafenib (SOR), an inhibitor of multiple kinases, is a classic targeted drug for advanced hepatocellular carcinoma (HCC) which often coexists with type 2 diabetes mellitus (T2DM). Dapagliflozin (DAPA), a sodium–glucose cotransporter-2 inhibitor (SGLT2i), is widely used in patients with T2DM. Notably, co-administration of SOR with DAPA is common in clinical settings. Uridine diphosphate-glucuronosyltransferase family 1 member A9 (UGT1A9) is involved in the metabolism of SOR and dapagliflozin (DAPA), and SOR is the inhibitor of UGT1A1 and UGT1A9 (in vitro). Therefore, changes in UGT1A9 activity caused by SOR may lead to pharmacokinetic interactions between the two drugs. The objective of the current study was to develop an ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method for the simultaneous determination of SOR and DAPA in plasma and to evaluate the effect of the co-administration of SOR and DAPA on their individual pharmacokinetic properties and the mechanism involved. The rats were divided into four groups: SOR (100 mg/kg) alone and co-administered with DAPA (1 mg/kg) for seven days, and DAPA (1 mg/kg) alone and co-administered with SOR (100 mg/kg) for seven days. Liquid–liquid extraction (LLE) was performed for plasma sample preparation, and the chromatographic separation was conducted on Waters XSelect HSS T3 column with a gradient elution of 0.1% formic acid and 5 mM ammonium acetate (Phase A) and acetonitrile (Phase B). The levels of Ugt1a7 messenger RNA (mRNA) were determined in rat liver and intestine using quantitative real-time polymerase chain reaction (qRT-PCR). The method was successfully applied to the study of pharmacokinetic interactions. DAPA caused a significant decrease in the maximum plasma concentrations (Cmax) and the area under the plasma concentration–time curves (AUC0–t) of SOR by 41.6% and 50.5%, respectively, while the apparent volume of distribution (Vz/F) and apparent clearance (CLz/F) significantly increased 2.85- and 1.98-fold, respectively. When co-administering DAPA with SOR, the AUC0–t and the elimination half-life (t1/2Z) of DAPA significantly increased 1.66- and 1.80-fold, respectively, whereas the CLz/F significantly decreased by 40%. Results from qRT-PCR showed that, compared with control, seven days of SOR pretreatment decreased Ugt1a7 expression in both liver and intestine tissue. In contrast, seven days of DAPA pretreatment decreased Ugt1a7 expression only in liver tissue. Therefore, pharmacokinetic interactions exist between long-term use of SOR with DAPA, and UGT1A9 may be the targets mediating the interaction. Active surveillance for the treatment outcomes and adverse reactions are required.
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Pharmacokinetic Interactions between Canagliflozin and Sorafenib or Lenvatinib in Rats. Molecules 2022; 27:molecules27175419. [PMID: 36080187 PMCID: PMC9457773 DOI: 10.3390/molecules27175419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/17/2022] [Accepted: 08/22/2022] [Indexed: 11/18/2022] Open
Abstract
Hepatocellular carcinoma (HCC) and type 2 diabetes mellitus (T2DM) are common clinical conditions, and T2DM is an independent risk factor for HCC. Sorafenib and lenvatinib, two multi-targeted tyrosine kinase inhibitors, are first-line therapies for advanced HCC, while canagliflozin, a sodium-glucose co-transporter 2 inhibitor, is widely used in the treatment of T2DM. Here, we developed an ultra-performance liquid chromatography-tandem mass spectrometry method for the simultaneous determination of canagliflozin, sorafenib, and lenvatinib, and investigated the pharmacokinetic drug interactions between canagliflozin and sorafenib or lenvatinib in rats. The animals were randomly divided into five groups. Groups I–III were gavage administrated with sorafenib, lenvatinib, and canagliflozin, respectively. Group IV received sorafenib and canagliflozin; while Group V received lenvatinib and canagliflozin. The area under the plasma concentration-time curves (AUC) and maximum plasma concentrations (Cmax) of canagliflozin increased by 37.6% and 32.8%, respectively, while the apparent volume of distribution (Vz/F) and apparent clearance (CLz/F) of canagliflozin significantly decreased (30.6% and 28.6%, respectively) in the presence of sorafenib. Canagliflozin caused a significant increase in AUC and Cmax of lenvatinib by 28.9% and 36.2%, respectively, and a significant decrease in Vz/F and CLz/F of lenvatinib by 52.9% and 22.7%, respectively. In conclusion, drug interactions exist between canagliflozin and sorafenib or lenvatinib, and these findings provide a reference for the use of these drugs in patients with HCC and T2DM.
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Saad AAA, Zhang F, Refat M, Mohammed EAH, Zhang M, Chen Y, Al Hamyari B, Alafifi J, Wu X. Tamsulosin alters the pharmacokinetics of metformin via inhibition of renal multidrug and toxin extrusion protein 1 and organic cation transporter 2 in rats. J Pharm Biomed Anal 2022; 212:114666. [DOI: 10.1016/j.jpba.2022.114666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/30/2022] [Accepted: 02/13/2022] [Indexed: 10/19/2022]
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Ostwal V, Ramaswamy A, Gota V, Bhargava PG, Srinivas S, Shriyan B, Jadhav S, Goel M, Patkar S, Mandavkar S, Naughane D, Daddi A, Nashikkar C, Shetty N, Ankathi SK, Banavali SD. OUP accepted manuscript. Oncologist 2022; 27:165-e222. [PMID: 35274724 PMCID: PMC8914502 DOI: 10.1093/oncolo/oyab008] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 01/14/2022] [Indexed: 12/02/2022] Open
Abstract
Background This phase I dose de-escalation study aimed to assess the tolerability, safety, pharmacokinetics (PK), and efficacy of sequentially decreasing doses of sorafenib in combination (SAM) with atorvastatin (A, 10 mg) and metformin (M, 500 mg BD) in patients with advanced hepatocellular carcinoma (HCC). Methods Patients were enrolled in 1 of 4 sequential cohorts (10 patients each) of sorafenib doses (800 mg, 600 mg. 400 mg, and 200 mg) with A and M. Progression from one level to the next was based on prespecified minimum disease stabilization (at least 4/10) and upper limits of specific grade 3-5 treatment-related adverse events (TRAE). Results The study was able to progress through all 4 dosing levels of sorafenib by the accrual of 40 patients. Thirty-eight (95%) patients had either main portal vein thrombosis or/and extra-hepatic disease. The most common grade 3-5 TRAEs were hand-foot-syndrome (grade 2 and grade 3) in 3 (8%) and transaminitis in 2 (5%) patients, respectively. The plasma concentrations of sorafenib peaked at 600 mg dose, and the concentration threshold of 2400 ng/mL was associated with higher odds of achieving time to exposure (TTE) concentrations >75% centile (odds ratio [OR] = 10.0 [1.67-44.93]; P = .01). The median overall survival for patients without early hepatic decompensation (n = 31) was 8.9 months (95% confidence interval [CI]: 3.2-14.5 months). Conclusion The SAM combination in HCC patients with predominantly unfavorable baseline disease characteristics showed a marked reduction in sorafenib-related side effects. Studies using sorafenib 600 mg per day in this combination along with sorafenib drug level monitoring can be evaluated in further trials. (Trial ID: CTRI/2018/07/014865).
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Affiliation(s)
| | - Anant Ramaswamy
- Corresponding author: Anant Ramaswamy, MD, DM, Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Dr. Ernest Borges Road, Room 1102, 11th floor, Homi Bhabha Building, Mumbai, Maharashtra 400012, India. Tel: 02224177000;
| | - Vikram Gota
- Department of Clinical Pharmacology, ACTREC, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Prabhat G Bhargava
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Sujay Srinivas
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Bharati Shriyan
- Department of Clinical Pharmacology, ACTREC, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Shraddha Jadhav
- Department of Clinical Pharmacology, ACTREC, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Mahesh Goel
- Gastrointestinal and HPB Surgery, Department of Surgical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Shraddha Patkar
- Gastrointestinal and HPB Surgery, Department of Surgical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Sarika Mandavkar
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Deepali Naughane
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Anuprita Daddi
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Chaitali Nashikkar
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Nitin Shetty
- Department of Radiodiagnosis, Tata Memorial Hospital, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Suman Kumar Ankathi
- Department of Radiodiagnosis, Tata Memorial Hospital, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Shripad D Banavali
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute (HBNI), Mumbai, India
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Wei J, Liu R, Zhang J, Liu S, Yan D, Wen X, Tian X. Baicalin Enhanced Oral Bioavailability of Sorafenib in Rats by Inducing Intestine Absorption. Front Pharmacol 2021; 12:761763. [PMID: 34819863 PMCID: PMC8606670 DOI: 10.3389/fphar.2021.761763] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 10/04/2021] [Indexed: 12/25/2022] Open
Abstract
Background: Sorafenib (SOR) is an oral, potent, selective, irreversible epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI) used as the first-line therapy for advanced hepatocellular carcinoma (HCC). Baicalin (BG) is used as adjuvant therapy for hepatitis, which accounts for the leading cause of the development of HCC, and is commonly coadministered with SOR in clinic. The purpose of the current study was to characterize the pharmacokinetic changes of SOR and the potential mechanism when SOR is administered concomitantly with BG in rats for single and multiple doses. Methods: Parallel randomized pharmacokinetic studies were performed in rats which received SOR (50 mg/kg, i.g.) alone or coadministered with BG (160 mg/kg, i.g.) for single and multiple doses (7 days). Plasma SOR levels were quantified by ultra-performance liquid chromatography–tandem mass spectrometry (UPLC-MS/MS). Rat liver microsomes (RLMs) which isolated from their livers were analyzed for CYP3A and SOR metabolism activities. The inhibitory effect of BG on the metabolism of SOR was also assessed in pooled human liver microsomes (HLMs). The effects of BG on the intestine absorption behaviors of SOR were assessed in the in situ single-pass rat intestinal perfusion model. Results: Coadministration with BG (160 mg/kg, i.g.) for single or multiple doses significantly increased the Cmax, AUC0–t, and AUC0–∞ of orally administered SOR by 1.68-, 1.73-, 1.70-fold and 2.02-, 1.65-, 1.66- fold in male rats and by 1.85-, 1.68-, 1.68-fold and 1.57-, 1.25-, 1.24- fold in female rats, respectively (p < 0.01 or p < 0.05). In vitro incubation assays demonstrated that there were no significant differences of Km, Vmax, and CLint of 1-OH MDZ and SOR N-oxide in RLMs between control and multiple doses of BG-treated groups. BG has no obvious inhibitory effects on the metabolism of SOR in HLMs. In comparison with SOR alone, combining with BG significantly increased the permeability coefficient (Peff) and absorption rate constant (Ka) of the SOR in situ single-pass rat intestinal perfusion model. Conclusion: Notably enhanced oral bioavailability of SOR by combination with BG in rats may mainly account for BG-induced SOR absorption. A greater understanding of potential DDIs between BG and SOR in rats makes major contributions to clinical rational multidrug therapy in HCC patients. Clinical trials in humans and HCC patients need to be further confirmed in the subsequent study.
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Affiliation(s)
- Jingyao Wei
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China
| | - Ruijuan Liu
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China
| | - Jiali Zhang
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China
| | - Shuaibing Liu
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China
| | - Dan Yan
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China
| | - Xueqian Wen
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China
| | - Xin Tian
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China
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11
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Orlandi P, Solini A, Banchi M, Brunetto MR, Cioni D, Ghiadoni L, Bocci G. Antiangiogenic Drugs in NASH: Evidence of a Possible New Therapeutic Approach. Pharmaceuticals (Basel) 2021; 14:ph14100995. [PMID: 34681219 PMCID: PMC8539163 DOI: 10.3390/ph14100995] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/22/2021] [Accepted: 09/27/2021] [Indexed: 12/14/2022] Open
Abstract
Non-alcoholic fatty liver disease is the most common liver disorder worldwide, and its progressive form non-alcoholic steatohepatitis (NASH) is a growing cause of liver cirrhosis and hepatocellular carcinoma (HCC). Lifestyle changes, which are capable of improving the prognosis, are hard to achieve, whereas a pharmacologic therapy able to combine efficacy and safety is still lacking. Looking at the pathophysiology of various liver diseases, such as NASH, fibrosis, cirrhosis, and HCC, the process of angiogenesis is a key mechanism influencing the disease progression. The relationship between the worsening of chronic liver disease and angiogenesis may suggest a possible use of drugs with antiangiogenic activity as a tool to stop or slow the progression of the disorder. In this review, we highlight the available preclinical data supporting a role of known antiangiogenic drugs (e.g., sorafenib), or phytotherapeutic compounds with multiple mechanism of actions, including also antiangiogenic activities (e.g., berberine), in the treatment of NASH.
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Affiliation(s)
- Paola Orlandi
- Dipartimento di Medicina Clinica e Sperimentale, Università di Pisa, Via Roma 55, 56126 Pisa, Italy; (P.O.); (M.B.); (M.R.B.); (L.G.)
| | - Anna Solini
- Dipartimento di Patologia Chirurgica, Medica, Molecolare e dell’Area Critica, Università di Pisa, 56126 Pisa, Italy; (A.S.); (D.C.)
| | - Marta Banchi
- Dipartimento di Medicina Clinica e Sperimentale, Università di Pisa, Via Roma 55, 56126 Pisa, Italy; (P.O.); (M.B.); (M.R.B.); (L.G.)
| | - Maurizia Rossana Brunetto
- Dipartimento di Medicina Clinica e Sperimentale, Università di Pisa, Via Roma 55, 56126 Pisa, Italy; (P.O.); (M.B.); (M.R.B.); (L.G.)
| | - Dania Cioni
- Dipartimento di Patologia Chirurgica, Medica, Molecolare e dell’Area Critica, Università di Pisa, 56126 Pisa, Italy; (A.S.); (D.C.)
| | - Lorenzo Ghiadoni
- Dipartimento di Medicina Clinica e Sperimentale, Università di Pisa, Via Roma 55, 56126 Pisa, Italy; (P.O.); (M.B.); (M.R.B.); (L.G.)
| | - Guido Bocci
- Dipartimento di Medicina Clinica e Sperimentale, Università di Pisa, Via Roma 55, 56126 Pisa, Italy; (P.O.); (M.B.); (M.R.B.); (L.G.)
- Correspondence: ; Tel.: +39-0502218756
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12
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Song XM, Li BJ, Zhang YY, Ge WJ, Zhang SF, Cui WF, Li GS, Liang RF. Rutaecarpine enhances the anti-diabetic activity and hepatic distribution of metformin via up-regulation of Oct1 in diabetic rats. Xenobiotica 2021; 51:818-830. [PMID: 33952086 DOI: 10.1080/00498254.2021.1926573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Diabetes mellitus is a chronic metabolic disorder with multiple complications, patients who receive metformin may have a simultaneous intake of herbal medicine containing rutaecarpine due to cardiovascular protection and hypolipidemic effects of rutaecarpine. There might be drug interactions between metformin and rutaecarpine. This study aimed to investigate the effects of rutaecarpine on the pharmacodynamics and pharmacokinetics of metformin in diabetic rats.The diabetic rat model was induced with high-fat diet and low dose streptozotocin. Metformin with or without rutaecarpine was administered by oral gavage for 42 days. Pharmacodynamics and pharmacokinetics parameters were evaluated.The pharmacodynamics results revealed that co-administration of rutaecarpine with metformin resulted in a remarkable reduction of serum glucose and lipid profiles in diabetic rats compared to metformin treated alone. The pharmacokinetics results showed that co-treatments of rutaecarpine with metformin did not affect the systemic exposure and renal distribution of metformin, but increased metformin concentration in liver. Furthermore, rutaecarpine increased Oct1-mediated metformin uptake into hepatocytes by upregulation of Oct1 expression in the liver.The above data indicate that rutaecarpine enhanced the anti-diabetic effect of metformin, which may be associated with the increased hepatic distribution of metformin through up-regulation of Oct1 in response to rutaecarpine.
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Affiliation(s)
- Xian-Mei Song
- Department of Pharmacology, Henan Medical College, Zhengzhou, China
| | - Bing-Jie Li
- Institute of Chinese Materia Medica, Henan Provincial Academy of Traditional Chinese Medicine, Zhengzhou, China.,School of Pharmacology, Henan University of Traditional Chinese Medicine, Zhengzhou, China
| | - Yan-Yan Zhang
- Department of Pharmacology, Henan Medical College, Zhengzhou, China
| | - Wen-Jing Ge
- Institute of Chinese Materia Medica, Henan Provincial Academy of Traditional Chinese Medicine, Zhengzhou, China.,School of Pharmacology, Henan University of Traditional Chinese Medicine, Zhengzhou, China
| | - She-Feng Zhang
- Institute of Chinese Materia Medica, Henan Provincial Academy of Traditional Chinese Medicine, Zhengzhou, China
| | - Wei-Feng Cui
- Institute of Chinese Materia Medica, Henan Provincial Academy of Traditional Chinese Medicine, Zhengzhou, China
| | - Geng-Sheng Li
- Institute of Chinese Materia Medica, Henan Provincial Academy of Traditional Chinese Medicine, Zhengzhou, China
| | - Rui-Feng Liang
- Institute of Chinese Materia Medica, Henan Provincial Academy of Traditional Chinese Medicine, Zhengzhou, China.,School of Pharmacology, Henan University of Traditional Chinese Medicine, Zhengzhou, China
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13
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Harati R, Vandamme M, Blanchet B, Bardin C, Praz F, Hamoudi RA, Desbois-Mouthon C. Drug-Drug Interaction between Metformin and Sorafenib Alters Antitumor Effect in Hepatocellular Carcinoma Cells. Mol Pharmacol 2021; 100:32-45. [PMID: 33990407 DOI: 10.1124/molpharm.120.000223] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 04/09/2021] [Indexed: 01/21/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is the most common primary liver malignancy and is one of the leading causes of cancer-related deaths worldwide. The multitarget inhibitor sorafenib is a first-line treatment of patients with advanced unresectable HCC. Recent clinical studies have evidenced that patients treated with sorafenib together with the antidiabetic drug metformin have a survival disadvantage compared with patients receiving sorafenib only. Here, we examined whether a clinically relevant dose of metformin (50 mg/kg per day) could influence the antitumoral effects of sorafenib (15 mg/kg per day) in a subcutaneous xenograft model of human HCC growth using two different sequences of administration, i.e., concomitant versus sequential dosing regimens. We observed that the administration of metformin 6 hours prior to sorafenib was significantly less effective in inhibiting tumor growth (15.4% tumor growth inhibition) than concomitant administration of the two drugs (59.5% tumor growth inhibition). In vitro experiments confirmed that pretreatment of different human HCC cell lines with metformin reduced the effects of sorafenib on cell viability, proliferation, and signaling. Transcriptomic analysis confirmed significant differences between xenografted tumors obtained under the concomitant and the sequential dosing regimens. Taken together, these observations call into question the benefit of parallel use of metformin and sorafenib in patients with advanced HCC and diabetes, as the interaction between the two drugs could ultimately compromise patient survival. SIGNIFICANCE STATEMENT: When drugs are administered sequentially, metformin alters the antitumor effect of sorafenib, the reference treatment for advanced hepatocellular carcinoma, in a preclinical murine xenograft model of liver cancer progression as well as in hepatic cancer cell lines. Defective activation of the AMP-activated protein kinase pathway as well as major transcriptomic changes are associated with the loss of the antitumor effect. These results echo recent clinical work reporting a poorer prognosis for patients with liver cancer who were cotreated with metformin and sorafenib.
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Affiliation(s)
- Rania Harati
- Department of Pharmacy Practice and Pharmacotherapeutics, College of Pharmacy (R.H.), and Department of Clinical Sciences, College of Medicine (R.A.H), University of Sharjah, Sharjah, United Arab Emirates; Centre de Recherche Saint-Antoine (R.H., M.V., F.P., C.D.-M.) and Centre de Recherche des Cordeliers (C.D.-M.), Sorbonne Université, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de Paris, Paris, France; Département de Pharmacocinétique et Pharmacochimie, Hôpital Cochin, AP-HP, CARPEM, Paris, France (B.B., C.B.); UMR8038 CNRS, U1268 INSERM, Faculté de Pharmacie, Université de Paris, PRES Sorbonne Paris Cité, Paris, France (B.B); Centre National de la Recherche Scientifique, Paris, France (F.P.); and Division of Surgery and Interventional Science, UCL, London, United Kingdom (R.A.H.)
| | - Marc Vandamme
- Department of Pharmacy Practice and Pharmacotherapeutics, College of Pharmacy (R.H.), and Department of Clinical Sciences, College of Medicine (R.A.H), University of Sharjah, Sharjah, United Arab Emirates; Centre de Recherche Saint-Antoine (R.H., M.V., F.P., C.D.-M.) and Centre de Recherche des Cordeliers (C.D.-M.), Sorbonne Université, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de Paris, Paris, France; Département de Pharmacocinétique et Pharmacochimie, Hôpital Cochin, AP-HP, CARPEM, Paris, France (B.B., C.B.); UMR8038 CNRS, U1268 INSERM, Faculté de Pharmacie, Université de Paris, PRES Sorbonne Paris Cité, Paris, France (B.B); Centre National de la Recherche Scientifique, Paris, France (F.P.); and Division of Surgery and Interventional Science, UCL, London, United Kingdom (R.A.H.)
| | - Benoit Blanchet
- Department of Pharmacy Practice and Pharmacotherapeutics, College of Pharmacy (R.H.), and Department of Clinical Sciences, College of Medicine (R.A.H), University of Sharjah, Sharjah, United Arab Emirates; Centre de Recherche Saint-Antoine (R.H., M.V., F.P., C.D.-M.) and Centre de Recherche des Cordeliers (C.D.-M.), Sorbonne Université, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de Paris, Paris, France; Département de Pharmacocinétique et Pharmacochimie, Hôpital Cochin, AP-HP, CARPEM, Paris, France (B.B., C.B.); UMR8038 CNRS, U1268 INSERM, Faculté de Pharmacie, Université de Paris, PRES Sorbonne Paris Cité, Paris, France (B.B); Centre National de la Recherche Scientifique, Paris, France (F.P.); and Division of Surgery and Interventional Science, UCL, London, United Kingdom (R.A.H.)
| | - Christophe Bardin
- Department of Pharmacy Practice and Pharmacotherapeutics, College of Pharmacy (R.H.), and Department of Clinical Sciences, College of Medicine (R.A.H), University of Sharjah, Sharjah, United Arab Emirates; Centre de Recherche Saint-Antoine (R.H., M.V., F.P., C.D.-M.) and Centre de Recherche des Cordeliers (C.D.-M.), Sorbonne Université, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de Paris, Paris, France; Département de Pharmacocinétique et Pharmacochimie, Hôpital Cochin, AP-HP, CARPEM, Paris, France (B.B., C.B.); UMR8038 CNRS, U1268 INSERM, Faculté de Pharmacie, Université de Paris, PRES Sorbonne Paris Cité, Paris, France (B.B); Centre National de la Recherche Scientifique, Paris, France (F.P.); and Division of Surgery and Interventional Science, UCL, London, United Kingdom (R.A.H.)
| | - Françoise Praz
- Department of Pharmacy Practice and Pharmacotherapeutics, College of Pharmacy (R.H.), and Department of Clinical Sciences, College of Medicine (R.A.H), University of Sharjah, Sharjah, United Arab Emirates; Centre de Recherche Saint-Antoine (R.H., M.V., F.P., C.D.-M.) and Centre de Recherche des Cordeliers (C.D.-M.), Sorbonne Université, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de Paris, Paris, France; Département de Pharmacocinétique et Pharmacochimie, Hôpital Cochin, AP-HP, CARPEM, Paris, France (B.B., C.B.); UMR8038 CNRS, U1268 INSERM, Faculté de Pharmacie, Université de Paris, PRES Sorbonne Paris Cité, Paris, France (B.B); Centre National de la Recherche Scientifique, Paris, France (F.P.); and Division of Surgery and Interventional Science, UCL, London, United Kingdom (R.A.H.)
| | - Rifat Akram Hamoudi
- Department of Pharmacy Practice and Pharmacotherapeutics, College of Pharmacy (R.H.), and Department of Clinical Sciences, College of Medicine (R.A.H), University of Sharjah, Sharjah, United Arab Emirates; Centre de Recherche Saint-Antoine (R.H., M.V., F.P., C.D.-M.) and Centre de Recherche des Cordeliers (C.D.-M.), Sorbonne Université, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de Paris, Paris, France; Département de Pharmacocinétique et Pharmacochimie, Hôpital Cochin, AP-HP, CARPEM, Paris, France (B.B., C.B.); UMR8038 CNRS, U1268 INSERM, Faculté de Pharmacie, Université de Paris, PRES Sorbonne Paris Cité, Paris, France (B.B); Centre National de la Recherche Scientifique, Paris, France (F.P.); and Division of Surgery and Interventional Science, UCL, London, United Kingdom (R.A.H.)
| | - Christèle Desbois-Mouthon
- Department of Pharmacy Practice and Pharmacotherapeutics, College of Pharmacy (R.H.), and Department of Clinical Sciences, College of Medicine (R.A.H), University of Sharjah, Sharjah, United Arab Emirates; Centre de Recherche Saint-Antoine (R.H., M.V., F.P., C.D.-M.) and Centre de Recherche des Cordeliers (C.D.-M.), Sorbonne Université, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de Paris, Paris, France; Département de Pharmacocinétique et Pharmacochimie, Hôpital Cochin, AP-HP, CARPEM, Paris, France (B.B., C.B.); UMR8038 CNRS, U1268 INSERM, Faculté de Pharmacie, Université de Paris, PRES Sorbonne Paris Cité, Paris, France (B.B); Centre National de la Recherche Scientifique, Paris, France (F.P.); and Division of Surgery and Interventional Science, UCL, London, United Kingdom (R.A.H.)
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14
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Chen M, You G, Xie C, Yang R, Hu W, Zheng Z, Liu S, Ye L. Pharmacokinetics of metformin in collagen-induced arthritis rats. Biochem Pharmacol 2021; 185:114413. [PMID: 33434538 DOI: 10.1016/j.bcp.2021.114413] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 01/05/2021] [Accepted: 01/06/2021] [Indexed: 12/22/2022]
Abstract
Due to the elevated presence of cytokines, the expressions of metabolic enzymes and drug transporters are altered in rheumatoid arthritis (RA). Given the high incidence of diabetes in patients with RA, the aim of the present study was to investigate the metformin pharmacokinetics of a single oral dose in rats with collagen-induced arthritis (CIA). Blood and urine samples were collected at different timepoints, and analyzed by ultra-performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS). Tissue samples were also collected to investigate the expression of metabolic enzymes and drug transporters by quantitative reverse transcription-polymerase chain reaction (RT-qPCR) and western blot. The results indicated that the bioavailability of metformin was markedly decreased in the CIA rats. Moreover, metformin was not metabolized by enzymes of rat liver microsomes, suggesting that the decreased bioavailability of metformin was independent of the liver metabolism. In addition, the mRNA, protein expression level and activity of the renal organic cation transporter 2 (OCT2) was markedly increased, suggesting that the enhanced renal clearance of metformin in CIA rats may be due to the up-regulated activity of OCT2. In conclusion, our study suggested that the reduced bioavailability of metformin in CIA rats is possibly related to the up-regulated function of the renal protein OCT2.
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Affiliation(s)
- Minghao Chen
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China; Department of Pharmacy, The First Affiliated Hospital of Jinan University (Guangzhou Overseas Chinese Hospital), Guangzhou 510630, China
| | - Guoquan You
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Cong Xie
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Ruopeng Yang
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Wanyu Hu
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Zhijie Zheng
- Clinical Pharmacology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, China
| | - Shuwen Liu
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China; State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Southern Medical University, Guangzhou 510515, China.
| | - Ling Ye
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China.
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