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Tanaka Y, Arai H, Hidaka A, Noda S, Imai K, Tsujisawa F, Yagi H, Sakuma S. In Vitro Digestion-In Situ Absorption Setup Employing a Physiologically Relevant Value of the Membrane Surface Area/Volume Ratio for Evaluating Performance of Lipid-Based Formulations: A Comparative Study with an In Vitro Digestion-Permeation Model. Mol Pharm 2024; 21:3459-3470. [PMID: 38809159 DOI: 10.1021/acs.molpharmaceut.4c00161] [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] [Indexed: 05/30/2024]
Abstract
The aim of this study is to establish and test an in vitro digestion-in situ absorption model that can mimic in vivo drug flux by employing a physiologically relevant value of the membrane surface area (S)/volume (V) ratio for accurate prediction of oral drug absorption from lipid-based formulations (LBFs). Three different types of LBFs (Type IIIA-MC, Type IIIA-LC, and Type IV) loaded with cinnarizine (CNZ), a lipophilic weak base with borderline permeability, and a control suspension were prepared. Subsequently, a simultaneous in vitro digestion-permeation experiment was conducted using a side-by-side diffusion cell with a dialysis membrane having a low S/V value. During digestion, CNZ partially precipitated for Type IV, while it remained solubilized in the aqueous phase for Type IIIA-MC and Type IIIA-LC in the donor compartment. However, in vitro drug fluxes for Type IIIA-MC and Type IIIA-LC were lower than those for Type IV due to the reduced free fraction of CNZ in the donor compartment. In pharmacokinetic studies, a similar improvement in in vivo oral exposure relative to suspension was observed, regardless of the LBFs used. Consequently, a poor correlation was found between in vitro permeation and areas under the plasma concentration-time curve (AUCoral) (R2 = 0.087). A luminal concentration measurement study revealed that this discrepancy was attributed to the extremely high absorption rate of CNZ in the gastrointestinal tract compared to that across a dialysis membrane evaluated by the in vitro digestion-permeation model, i.e., the absorption of CNZ in vivo was completed regardless of the extent of the free fraction, owing to the rapid removal of CNZ from the intestine. Subsequently, we aimed to predict the oral absorption of CNZ from the same formulations using a model that demonstrated high drug flux by employing the physiologically relevant S/V value and rat jejunum segment as an absorption sink (for replicating in vivo intestinal permeability). Predigested formulations were injected into the rat intestinal loop, and AUCloop values were calculated from the plasma concentration-time profiles. A better correlation was found between AUCloop and AUCoral (R2 = 0.72), although AUCloop underestimated AUCoral for Type IV due to the precipitation of CNZ during the predigestion process. However, this result indicated the importance of mimicking the in vivo drug absorption rate in the predictive model. The method presented herein is valuable for the development of LBFs.
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Affiliation(s)
- Yusuke Tanaka
- Laboratory of Drug Delivery System, Faculty of Pharmaceutical Sciences, Setsunan University, 45-1 Nagaotoge-cho, Hirakata, Osaka 573-0101, Japan
| | - Hinata Arai
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, 5-1-1 Hiro-koshingai, Kure, Hiroshima 737-0112, Japan
| | - Aya Hidaka
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, 5-1-1 Hiro-koshingai, Kure, Hiroshima 737-0112, Japan
| | - Saki Noda
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, 5-1-1 Hiro-koshingai, Kure, Hiroshima 737-0112, Japan
| | - Ko Imai
- Laboratory of Drug Delivery System, Faculty of Pharmaceutical Sciences, Setsunan University, 45-1 Nagaotoge-cho, Hirakata, Osaka 573-0101, Japan
| | - Fumiya Tsujisawa
- Laboratory of Drug Delivery System, Faculty of Pharmaceutical Sciences, Setsunan University, 45-1 Nagaotoge-cho, Hirakata, Osaka 573-0101, Japan
| | - Haruya Yagi
- Laboratory of Drug Delivery System, Faculty of Pharmaceutical Sciences, Setsunan University, 45-1 Nagaotoge-cho, Hirakata, Osaka 573-0101, Japan
| | - Shinji Sakuma
- Laboratory of Drug Delivery System, Faculty of Pharmaceutical Sciences, Setsunan University, 45-1 Nagaotoge-cho, Hirakata, Osaka 573-0101, Japan
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Petersen EF, Larsen BS, Nielsen RB, Pijpers I, Versweyveld D, Holm R, Tho I, Snoeys J, Nielsen CU. Co-release of paclitaxel and encequidar from amorphous solid dispersions increase oral paclitaxel bioavailability in rats. Int J Pharm 2024; 654:123965. [PMID: 38442796 DOI: 10.1016/j.ijpharm.2024.123965] [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: 01/22/2024] [Revised: 02/28/2024] [Accepted: 02/29/2024] [Indexed: 03/07/2024]
Abstract
The oral bioavailability of paclitaxel is limited due to low solubility and high affinity for the P-glycoprotein (P-gp) efflux transporter. Here we hypothesized that maximizing the intestinal paclitaxel levels through apparent solubility enhancement and controlling thesimultaneous release of both paclitaxel and the P-gp inhibitor encequidar from amorphous solid dispersions (ASDs) would increase the oral bioavailability of paclitaxel. ASDs of paclitaxel and encequidar in polyvinylpyrrolidone K30 (PVP-K30), hydroxypropylmethylcellulose 5 (HPMC-5), and hydroxypropylmethylcellulose 4 K (HPMC-4K) were hence prepared by freeze-drying. In vitro dissolution studies showed that both compounds were released fastest from PVP-K30, then from HPMC-5, and slowest from HPMC-4K ASDs. The dissolution of paclitaxel from all polymers resulted in stable concentration levels above the apparent solubility. The pharmacokinetics of paclitaxel after oral administration to male Sprague-Dawley rats was investigated with or without 1 mg/kg encequidar, as amorphous solids or polymer-based ASDs. The bioavailability of paclitaxel increased 3- to 4-fold when administered as polymer-based ASDs relative to solid amorphous paclitaxel. However, when amorphous paclitaxel was co-administered with encequidar, either as an amorphous powder or as a polymer-based ASD, the bioavailability increased 2- to 4-fold, respectively. Interestingly, a noticeable increase in paclitaxel bioavailability of 24-fold was observed when paclitaxel and encequidar were co-administered as HPMC-5-based ASDs. We, therefore, suggest that controlling the dissolution rate of paclitaxel and encequidar in order to obtain simultaneous and timed release from polymer-based ASDs is a strategy to increase oral paclitaxel bioavailability.
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Affiliation(s)
- Emilie Fynbo Petersen
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark
| | - Bjarke Strøm Larsen
- Department of Pharmacy, University of Oslo, Sem Sælands vei 3, NO-0371 Oslo, Norway
| | - Rasmus Blaaholm Nielsen
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark
| | - Ils Pijpers
- Bioanalytical Discovery and Development Sciences, Johnson & Johnson Innovative Medicine, Turnhoutseweg 30, BE-2340 Beerse, Belgium
| | - Dries Versweyveld
- In vivo Sciences, Preclinical Sciences & Translational Safety (PSTS), Johnson & Johnson Innovative Medicine, Turnhoutseweg 30, BE-2340 Beerse, Belgium
| | - René Holm
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark
| | - Ingunn Tho
- Department of Pharmacy, University of Oslo, Sem Sælands vei 3, NO-0371 Oslo, Norway
| | - Jan Snoeys
- Translational Pharmacokinetics Pharmacodynamics and Investigative Toxicology, Johnson & Johnson Innovative Medicine, Turnhoutseweg 30, BE-2340 Beerse, Belgium
| | - Carsten Uhd Nielsen
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark.
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Emad NA, Sultana Y, Aqil M, Saleh A, Al kamaly O, Nasr FA. Omega-3 fatty acid-based self-microemulsifying drug delivery system (SMEDDS) of pioglitazone: Optimization, in vitro and in vivo studies. Saudi J Biol Sci 2023; 30:103778. [PMID: 37663396 PMCID: PMC10470285 DOI: 10.1016/j.sjbs.2023.103778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 08/02/2023] [Accepted: 08/10/2023] [Indexed: 09/05/2023] Open
Abstract
Pioglitazone (PGL) is an effective insulin sensitizer, however, side effects such as accumulation of subcutaneous fat, edema, and weight gain as well as poor oral bioavailability limit its therapeutic potential for oral delivery. Recent studies have shown that combination of both, PGL and fish oil significantly reduce fasting plasma glucose, improve insulin resistance, and mitigate pioglitazone-induced subcutaneous fat accumulation and weight gain. Nevertheless, developing an effective oral drug delivery system for administration of both medications have not been explored yet. Thus, this study aimed to develop a self-micro emulsifying drug delivery system (SMEDDS) for the simultaneous oral administration of PGL and fish oil. SMEDDS was developed using concentrated fish oil,Tween® 80, and Transcutol HP and optimized by central composite design (CCD). The reconstituted, optimized PGL-SMEDDS exhibited a globule size of 142 nm, a PDI of 0.232, and a zeta potential of -20.9 mV. The in-vitro drug release study of the PGL-SMEDDS showed a first-order model kinetic release and demonstrated remarkable 15-fold enhancement compared to PGL suspension. Additionally, following oral administration in fasting albino Wistar rats, PGL-SMEDDS exhibited 3.4-fold and 1.4-fold enhancements in the AUC0-24h compared to PGL suspension and PGL marketed product. The accelerated stability testing showed that the optimized SMEDDS formulation was stable over a three-month storage period. Taken together, our findings demonstrate that the developed fish oil-based SMEDDS for PGL could serve as effective nanoplatforms for the oral delivery of PGL, warranting future studies to explore its synergistic therapeutic potential in rats.
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Affiliation(s)
- Nasr A. Emad
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard (Deemed University), M. B. Road, New Delhi 110062, India
| | - Yasmin Sultana
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard (Deemed University), M. B. Road, New Delhi 110062, India
| | - Mohd Aqil
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard (Deemed University), M. B. Road, New Delhi 110062, India
| | - Asmaa Saleh
- Department of Pharmaceutical Sciences, College of Pharmacy, Princess Nourah bint Abdulrahman University, P.O Box 84428, Riyadh 11671, Saudi Arabia
| | - Omkulthom Al kamaly
- Department of Pharmaceutical Sciences, College of Pharmacy, Princess Nourah bint Abdulrahman University, P.O Box 84428, Riyadh 11671, Saudi Arabia
| | - Fahd A Nasr
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
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Lei L, Wang XJ, Tang SC. Novel taxanes in development: hopes or hypes? Crit Rev Oncol Hematol 2022; 176:103727. [DOI: 10.1016/j.critrevonc.2022.103727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 05/13/2022] [Accepted: 05/20/2022] [Indexed: 10/18/2022] Open
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Wang HL, Sun J, Tian CT, He ZG. Probing the new strategy for the oral formulations of taxanes: changing the method with the situation. Chin J Nat Med 2021; 19:656-665. [PMID: 34561076 DOI: 10.1016/s1875-5364(21)60096-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Indexed: 12/22/2022]
Abstract
The first-generation taxanes (including paclitaxel and docetaxel) are widely used for the treatment of various cancers in clinical settings. In the past decade, a series of new-generation taxanes have been developed which are effective in the inhibition of tumor resistance. However, intravenous (i.v.) infusion is still the only route of administration, and may result in serious adverse reactions with respect to the utilization of Cremophor EL or Tween-80 as solvent. Besides, the dosing schedule is also limited. Therefore, oral administration of taxanes is urgently needed to avoid the adverse reactionss and increase dosing frequency. In this review, we first outlined the discovery and development of taxane-based anticancer agents. Furthermore, we summarized the research progress on the oral formulations of taxanes and proposed some thoughts on the future development of oral taxane formulations.
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Affiliation(s)
- He-Lin Wang
- Department of Pharmaceutics, Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Jin Sun
- Department of Pharmaceutics, Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Chu-Tong Tian
- Department of Pharmaceutics, Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Zhong-Gui He
- Department of Pharmaceutics, Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, China
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Pharmaceutical Formulations with P-Glycoprotein Inhibitory Effect as Promising Approaches for Enhancing Oral Drug Absorption and Bioavailability. Pharmaceutics 2021; 13:pharmaceutics13071103. [PMID: 34371794 PMCID: PMC8309061 DOI: 10.3390/pharmaceutics13071103] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/09/2021] [Accepted: 07/19/2021] [Indexed: 02/08/2023] Open
Abstract
P-glycoprotein (P-gp) is crucial in the active transport of various substrates with diverse structures out of cells, resulting in poor intestinal permeation and limited bioavailability following oral administration. P-gp inhibitors, including small molecule drugs, natural constituents, and pharmaceutically inert excipients, have been exploited to overcome P-gp efflux and enhance the oral absorption and bioavailability of many P-gp substrates. The co-administration of small molecule P-gp inhibitors with P-gp substrates can result in drug–drug interactions and increased side effects due to the pharmacological activity of these molecules. On the other hand, pharmaceutically inert excipients, including polymers, surfactants, and lipid-based excipients, are safe, pharmaceutically acceptable, and are not absorbed from the gut. Notably, they can be incorporated in pharmaceutical formulations to enhance drug solubility, absorption, and bioavailability due to the formulation itself and the P-gp inhibitory effects of the excipients. Different formulations with inherent P-gp inhibitory activity have been developed. These include micelles, emulsions, liposomes, solid lipid nanoparticles, polymeric nanoparticles, microspheres, dendrimers, and solid dispersions. They can bypass P-gp by different mechanisms related to their properties. In this review, we briefly introduce P-gp and P-gp inhibitors, and we extensively summarize the current development of oral drug delivery systems that can bypass and inhibit P-gp to improve the oral absorption and bioavailability of P-gp substrates. Since many drugs are limited by P-gp-mediated efflux, this review is helpful for designing suitable formulations of P-gp substrates to enhance their oral absorption and bioavailability.
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Gao Y, Zuo S, Li L, Liu T, Dong F, Wang X, Zhang X, He Z, Zhai Y, Sun B, Sun J. The length of disulfide bond-containing linkages impacts the oral absorption and antitumor activity of paclitaxel prodrug-loaded nanoemulsions. NANOSCALE 2021; 13:10536-10543. [PMID: 34100041 DOI: 10.1039/d1nr01359a] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The rational design of oral paclitaxel (PTX) preparations is still a challenge. Many studies focus on developing PTX-loaded nanoemulsions (NEs) for oral administration. Unfortunately, PTX has poor affinity with the commonly used oil phases, leading to low encapsulation efficiency, poor colloidal stability, and premature drug leakage of PTX-loaded NEs. Herein, three lipophilic PTX prodrugs are synthesized by conjugating PTX with citronellol (CIT), using different lengths of disulfide bond-containing linkages. Interestingly, compared with PTX, the prodrugs exhibit higher affinity with the oil phase, effectively improving the encapsulation efficiency, colloidal stability, and sustained-release behavior of NEs. In addition, the disulfide bond-bridged prodrugs could specifically release PTX in tumor cells, reducing unnecessary systemic exposure of PTX. As a result, all three prodrug NEs exhibited improved oral bioavailability and antitumor effects compared to oral Taxol. Moreover, the length of disulfide bond-containing linkages exhibits great impacts on the oral absorption, drug release, and antitumor behaviors of NEs. It is found that the prodrug NEs with the shortest linkages show comparable antitumor effects with intravenous Taxol, but with less systemic and gastrointestinal toxicity.
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Affiliation(s)
- Yanlin Gao
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Shiyi Zuo
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Lingxiao Li
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Tian Liu
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Fudan Dong
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Xin Wang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Xuanbo Zhang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Zhonggui He
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Yinglei Zhai
- School of Medical Device, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Bingjun Sun
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Jin Sun
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, China.
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Redox-responsive prodrug for improving oral bioavailability of paclitaxel through bile acid transporter-mediated pathway. Int J Pharm 2021; 600:120496. [PMID: 33746013 DOI: 10.1016/j.ijpharm.2021.120496] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 02/23/2021] [Accepted: 03/12/2021] [Indexed: 12/11/2022]
Abstract
Most anticancer drugs are not orally bioavailable due to their undesirable physicochemical properties and inherent physiological barriers. In this study, a polymeric prodrug strategy was presented to enhance the oral bioavailability of BCS class IV drugs using paclitaxel (PTX) as the model drug. PTX was covalently conjugated with cholic acid-functionalized PEG by a redox-sensitive disulfide bond. Cholic acid-functionalized PEGylated PTX (CPP) achieved remarkably improved PTX solubility (>30,000-fold), as well as favorable stability under the physiological environment and controlled drug release in the tumor. Meanwhile, CPP could self-assemble into nanoparticles with an average size of 56.18 ± 2.06 nm and drug loading up to 17.6% (w/w). Then, permeability study on Caco-2 cell monolayers demonstrated that CPP obtained an approximately 4-fold increase by apical sodium-dependent bile acid transporter (ASBT) mediated transport, compared with Taxol®. Pharmacokinetic studies carried out in rats confirmed that the oral bioavailability of CPP was 10-fold higher than that of Taxol®. Finally, significant improvement in the antitumor efficacy of CPP against breast cancer was confirmed on MDA-MB-231 cells. In summary, this prodrug-based cascade strategy offers new ways for chemotherapeutic drugs whose oral delivery is limited by solubility and permeability, also endows drugs with the capacity of tumor-specific release.
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