1
|
Zafeiriadis S, Adamaki-Sotiraki C, Rumbos CI, Athanassiou CG. Beyond carrots: Evaluation of gelling agents as wet feeds for Tenebrio molitor L. (Coleoptera: Tenebrionidae) larvae. CHEMOSPHERE 2024; 363:142783. [PMID: 38972459 DOI: 10.1016/j.chemosphere.2024.142783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 07/03/2024] [Accepted: 07/04/2024] [Indexed: 07/09/2024]
Abstract
Previous studies have shown that larvae of the yellow mealworm, Tenebrio molitor L. (Coleoptera: Tenebrionidae), need a source of moisture to grow and perform well. Currently, much research has been oriented towards the effect of dry feed on larval growth and performance. The effect of different wet feeds as moisture source on the performance traits of T. molitor larvae has not been thoroughly investigated yet. This study aims to investigate in laboratory trials the effect of various gelling agents (agar, carrageenans, guar gum, xanthan gum, sodium alginate, modified starch, and pectin) on the growth and performance of T. molitor larvae. A number of 50 newly emerged larvae obtained from the rearings of the LEAZ were inserted in plastic vials together with 4 g of wheat bran as dry feed. Additionally, 1 g of gelling agents was provided 3 times per week as moisture sources. Carrot slices served as control. Larval survival and weight were recorded weekly until the appearance of the first pupa. Dry feed was replenished when depleted. Our data showed that gelling agents efficiently supported the growth of T. molitor larvae, in terms of larval survival and weight, as well as feed utilization expressed as FCR. Interestingly, carrageenans seem to be the most appropriate gelling agent for T. molitor larvae rearing as it can enhance their weight and is also able to reduce their development time and their specific growth rate.
Collapse
Affiliation(s)
- S Zafeiriadis
- Laboratory of Entomology and Agricultural Zoology, Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, Phytokou Str., 38446, Volos, Greece.
| | - C Adamaki-Sotiraki
- Laboratory of Entomology and Agricultural Zoology, Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, Phytokou Str., 38446, Volos, Greece
| | - C I Rumbos
- Laboratory of Entomology and Agricultural Zoology, Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, Phytokou Str., 38446, Volos, Greece
| | - C G Athanassiou
- Laboratory of Entomology and Agricultural Zoology, Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, Phytokou Str., 38446, Volos, Greece
| |
Collapse
|
2
|
Rocha B, de Morais LA, Viana MC, Carneiro G. Promising strategies for improving oral bioavailability of poor water-soluble drugs. Expert Opin Drug Discov 2023; 18:615-627. [PMID: 37157841 DOI: 10.1080/17460441.2023.2211801] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
INTRODUCTION Oral administration of poorly water-soluble drugs (PWSDs) is generally related to low bioavailability, leading to high drug doses, multiple side effects, and low patient compliance. Thus, different strategies have been developed to increase drug solubility and dissolution in the gastrointestinal tract, opening new venues for these drugs. AREAS COVERED This review outlines the current challenges in PWSD formulation development and the strategies to overcome the oral barriers and increase their solubility and bioavailability. Conventional strategies include altering crystalline and molecular structures and modifying oral solid dosage forms. In contrast, novel strategies comprise micro- and nanostructured systems. Recent representative studies involving how these strategies have improved the oral bioavailability of PWSDs were also reviewed and reported. EXPERT OPINION New approaches to enhance PWSD bioavailability have sought to improve water solubility and dissolution rates, drug protection by overcoming biological barriers, and increased absorption. Still, only a handful of studies have focused on quantifying the increase in bioavailability. Improving the oral bioavailability of PWSDs remains an exciting unexplored field of research and has become an important issue for successfully developing pharmaceutical products.
Collapse
Affiliation(s)
- Bruna Rocha
- Department of Pharmacy, Faculty of Biological and Health Sciences, Federal University of Jequitinhonha and Mucuri Valleys, Diamantina, Brazil
| | - Letícia Aparecida de Morais
- Department of Pharmacy, Faculty of Biological and Health Sciences, Federal University of Jequitinhonha and Mucuri Valleys, Diamantina, Brazil
| | - Mateus Costa Viana
- Department of Pharmacy, Faculty of Biological and Health Sciences, Federal University of Jequitinhonha and Mucuri Valleys, Diamantina, Brazil
| | - Guilherme Carneiro
- Department of Pharmacy, Faculty of Biological and Health Sciences, Federal University of Jequitinhonha and Mucuri Valleys, Diamantina, Brazil
| |
Collapse
|
3
|
Liu L, Wu Y, Zhao Y, Lu C, Zhao R. Citric Acid Enhances the Activities of Astilbin on Psoriasis via Down-Regulation of P-Glycoprotein. Mol Pharm 2023; 20:1964-1974. [PMID: 36862757 DOI: 10.1021/acs.molpharmaceut.2c00889] [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: 03/03/2023]
Abstract
Astilbin (AS) has been confirmed to be an attractive candidate drug for psoriasis; however, the low oral absorption limits its further development and utilization. Herein, a simple method was discovered to solve this problem, which was combined with citric acid (CA). The efficiency was estimated by imiquimod (IMQ)-induced psoriasis-like mice, and the absorption was predicted by the Ussing chamber model, HEK293-P-gp cells were used to validate the target. Compared with the AS group, the combination with CA significantly reduced the PASI score and down-regulated the protein expression of IL-6 and IL-22, which showed that the combination of CA enhanced the anti-psoriasis effect of AS. Moreover, AS concentration in psoriasis-like mice plasma was significantly increased (3.90-fold) in the CA combined group, and the mRNA and protein levels of P-gp in the small intestine of the combined group were decreased by 77.95 and 30.00%, respectively. In addition, when combined with CA, AS absorption significantly increased while the efflux ratio decreased in vitro. Furthermore, CA significantly elevated the uptake of AS by 153.37% and decreased the protein expression of P-gp by 31.70% in HEK293-P-gp cells. These results indicated that CA enhanced the therapeutic efficacy of AS by improving its absorption via down-regulation of P-gp.
Collapse
Affiliation(s)
- Lijuan Liu
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine; The Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510006, Guangdong Province, China.,Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou 510120, Guangdong Province, China
| | - Yayun Wu
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine; The Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510006, Guangdong Province, China.,Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou 510120, Guangdong Province, China
| | - Ya Zhao
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine; The Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510006, Guangdong Province, China.,Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou 510120, Guangdong Province, China
| | - Chuanjian Lu
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine; The Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510006, Guangdong Province, China.,State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine; Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, Guangzhou 510120, Guangdong Province, P.R. China
| | - Ruizhi Zhao
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine; The Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou 510006, Guangdong Province, China.,State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine; Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, Guangzhou 510120, Guangdong Province, P.R. China
| |
Collapse
|
4
|
Shoaib MH, Sikandar M, Ahmed FR, Ali FR, Qazi F, Yousuf RI, Irshad A, Jabeen S, Ahmed K. Applications of Polysaccharides in Controlled Release Drug Delivery System. POLYSACCHARIDES 2021. [DOI: 10.1002/9781119711414.ch29] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
|
5
|
A comprehensive review of the strategies to improve oral drug absorption with special emphasis on the cellular and molecular mechanisms. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2020.102178] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
|
6
|
Nazir I, Ghezzi M, Asim MH, Phan TNQ, Bernkop-Schnürch A. Self-emulsifying drug delivery systems: About the fate of hydrophobic ion pairs on a phospholipid bilayer. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113382] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
7
|
Shekhawat P, Bagul M, Edwankar D, Pokharkar V. Enhanced dissolution/caco-2 permeability, pharmacokinetic and pharmacodynamic performance of re-dispersible eprosartan mesylate nanopowder. Eur J Pharm Sci 2019; 132:72-85. [PMID: 30797937 DOI: 10.1016/j.ejps.2019.02.021] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 02/11/2019] [Accepted: 02/15/2019] [Indexed: 02/06/2023]
Abstract
Eprosartan mesylate is an angiotensin receptor blocker which suffers from extremely poor bioavailability owing to its poor solubility and poor permeability. The rationale of the present work was to design the drug delivery system capable of overcoming these constraints. Nanoformulation of eprosartan mesylate was developed using ultrasonic wave-assisted liquid-antisolvent technique. Nanoformulation was further freeze dried with the addition of 1% of mannitol resulting in formation of re-dispersible EPM nanopowder. To prove our proof of principle, the re-dispersed nanopowder with z-average particle size 165.2 ± 1.8 nm was evaluated enormously for in-vitro dissolution behaviour and permeability assay through Caco-2 cell model. In-vitro dissolution study was performed at pH 1.2, pH 4.5 and pH 6.8. Result demonstrates enhanced dissolution from EPM nanopowder with negligible pH dependence. Transport studies accomplished using validated Caco-2 based cell model showed 11-fold enhanced apparent permeability of redispersed nanopowder when compared to pure EPM and corresponding physical mixture (p < 0.0001). In-vivo study reveals, exceptionally strong variations in plasma concentration of EPM through nanopowder (62 mg/kg) formulation when compared with physical mixture and pure EPM (62 mg/kg) group. Moreover, study manifests that 5-fold lower dose (12.4 mg/kg) of developed formulation yields higher exposure (4600 ± 36 ng·mL-1·h) than pure EPM (2349 ± 34 ng·mL-1·h) and corresponding physical mixture (2456 ± 49 ng·mL-1·h) at therapeutic dose (62 mg/kg). Further, L-NAME induced hypertensive model was undertaken to investigate effect of reduced dose of EPM nanopowder on systolic blood pressure, biochemical analysis and histopathology of heart. Results revealed pronounced antihypertensive potential of re-dispersed EPM nanopowder at 5-fold lower dose (12.4 mg/kg). In conclusion, our study indicates that nanopowder delivery might be the promising approach for providing enhanced oral bioavailability at lower dose.
Collapse
Affiliation(s)
- Prachi Shekhawat
- Department of Pharmaceutics, Poona College of Pharmacy, Bharati Vidyapeeth University, Erandwane, Pune, India
| | - Milind Bagul
- Raptim Research Limited, Mahape, Navi Mumbai, Maharashtra, India
| | - Diptee Edwankar
- Raptim Research Limited, Mahape, Navi Mumbai, Maharashtra, India
| | - Varsha Pokharkar
- Department of Pharmaceutics, Poona College of Pharmacy, Bharati Vidyapeeth University, Erandwane, Pune, India.
| |
Collapse
|
8
|
Sumaila M, Ramburrun P, Kumar P, Choonara YE, Pillay V. Lipopolysaccharide Polyelectrolyte Complex for Oral Delivery of an Anti-tubercular Drug. AAPS PharmSciTech 2019; 20:107. [PMID: 30746572 DOI: 10.1208/s12249-019-1310-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Accepted: 01/10/2019] [Indexed: 12/28/2022] Open
Abstract
Anti-tuberculosis drug delivery has remained a challenge due to inconsistent bioavailability and inadequate sustained-release properties leading to treatment failure. To resolve these drawbacks, a lipopolysaccharide polyelectrolyte complex (PEC) encapsulated with rifampicin (RIF) (as the model drug) was fabricated, using the solvent injection technique (SIT), with soy lecithin (SLCT), and low-molecular-weight chitosan (LWCT). The average particle size and surface charge of RIF-loaded PEC particulates was 151.6 nm and + 33.0 nm, respectively, with noted decreased particle size and surface charge following increase in SLCT-LWCT mass ratio. Encapsulation efficiency (%EE) and drug-loading capacity (%LC) was 64.25% and 5.84%, respectively. Increase in SLCT-LWCT mass ratio significantly increased %EE with a marginal reduction in %LC. In vitro release studies showed a sustained-release profile for the PEC particulate tablet over 24 h (11.4% cumulative release) where the dominant release mechanism involved non-Fickian anomalous transport shifting towards super case II release as SLCT ratios increased (6.4% cumulative release). PEC-tablets prepared without SIT presented with rapid Fickian-diffusion-based drug release with up to 90% RIF release within 4 h. Ex vivo permeability studies revealed that lipopolysaccharide PEComplexation significantly increased the permeability of RIF by ~ 2-fold within the 8-h study period. These results suggest successful encapsulation of RIF within a PEC structure while imparting increased amorphic regions, as indicated by x-ray diffraction, for potential benefits in improved drug dissolution, bioavailability, and dosing.
Collapse
|
9
|
Kubbinga M, Augustijns P, García MA, Heinen C, Wortelboer HM, Verwei M, Langguth P. The effect of chitosan on the bioaccessibility and intestinal permeability of acyclovir. Eur J Pharm Biopharm 2019; 136:147-155. [PMID: 30682491 DOI: 10.1016/j.ejpb.2019.01.021] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 01/09/2019] [Accepted: 01/21/2019] [Indexed: 11/18/2022]
Abstract
Chitosan is object of pharmaceutical research as a candidate permeability enhancer. However, chitosan was recently shown to reduce the oral bioavailability of acyclovir in humans. The effect of chitosan on two processes determining the oral bioavailability of acyclovir, bioaccessibility and intestinal absorption, was now investigated. Acyclovir's bioaccessibility was studied using the dynamic TNO gastro-Intestinal Model (TIM-1). Four epithelial models were used for permeability experiments: a Caco-2 cell model in absence and presence of mucus and both rat and porcine excised intestinal segments. Study concentrations of acyclovir (0.8 g/l) and chitosan (1.6 g/l and 4 g/l) were in line with those used in the aforementioned human study. No effect of chitosan was measured on the bioaccessibility of acyclovir in the TIM-1 system. The results obtained with the Caco-2 models were not in line with the in vivo data. The tissue segment models (rat and porcine intestine) showed a negative trend of acyclovir's permeation in presence of chitosan. The Ussing type chamber showed to be the most biopredictive, as it did point to an overall statistically significantly reduced absorption of acyclovir. This model thus seems most appropriate for pharmaceutical development purposes, in particular when interactions between excipients and drugs are to become addressed.
Collapse
Affiliation(s)
- Marlies Kubbinga
- National Institute for Public Health and the Environment, Bilthoven, the Netherlands; Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Mainz, Germany; Medicines Evaluation Board, Utrecht, the Netherlands
| | - Patrick Augustijns
- Drug Delivery and Disposition, KU Leuven, Department of Pharmaceutical and Pharmacological Sciences, Belgium
| | - Mauricio A García
- Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Mainz, Germany
| | - Christian Heinen
- Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Mainz, Germany
| | | | - Miriam Verwei
- TNO Zeist, the Netherlands; TNO Triskelion, Zeist, the Netherlands
| | - Peter Langguth
- Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Mainz, Germany.
| |
Collapse
|
10
|
Fabiano A, Piras AM, Uccello-Barretta G, Balzano F, Cesari A, Testai L, Citi V, Zambito Y. Impact of mucoadhesive polymeric nanoparticulate systems on oral bioavailability of a macromolecular model drug. Eur J Pharm Biopharm 2018; 130:281-289. [PMID: 30006244 DOI: 10.1016/j.ejpb.2018.07.010] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 06/22/2018] [Accepted: 07/09/2018] [Indexed: 01/07/2023]
Abstract
Nanoparticles (NP) only different in mucoadhesivity are compared for impact on drug oral bioavailability. Two polymeric NP types based on quaternary ammonium-chitosan (NP QA-Ch) and S-protected thiolated derivative thereof (NP QA-Ch-S-pro), respectively, containing the macromolecular drug model, FD4, were prepared by crosslinking each polymer with reduced MW hyaluronic acid. The structure of basic polymers was determined by H1NMR analysis. NP were similar in size (371 ± 38 vs. 376 ± 82 nm); polydispersity index (0.39 ± 0.08 vs. 0.41 ± 0.10); zeta potential (13.4 ± 0.9 vs. 11.9 ± 1.2 mV); reversible interactions with drug (bound drug, 67 vs. 66%); encapsulation efficiency (23 ± 5 vs. 23 ± 8%); release properties (15% released in 15 h in both cases); and apparent permeation across excised rat intestine (Papp, 8.8 ± 0.8 vs. 10 ± 1 cm/s). Then the differences in NP transport ratio through mucus (TR, 0.75 vs. 0.37) and adhesion to excised rat intestinal mucosa (adsorbed fraction, 23 ± 3 vs. 45 ± 2%) were ascribed to higher mucoadhesivity of NP QA-Ch-S-pro compared to NP QA-Ch. This directly influenced drug oral bioavailability in rats (Tmax, 1 vs. 2 h; AUC, 1.7 ± 0.3 vs. 2.9 ± 0.4 μg/mL min, for NP QA-Ch and NP QA-Ch-S-pro, respectively). Mucoadhesivity increases drug bioavailability by retaining NP at its absorption site and opposing its transit down the GI tract. Data on drug accumulation in rat liver allows the assertion that NP is absorbed by transcytosis across intestinal epithelium and transported from blood into liver by Kuppfer cells.
Collapse
Affiliation(s)
- Angela Fabiano
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126 Pisa, Italy
| | - Anna Maria Piras
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126 Pisa, Italy
| | - Gloria Uccello-Barretta
- Department of Chemistry and Industrial Chemistry, University of Pisa, UdR INSTM Pisa, Via Moruzzi 13, 56124 Pisa, Italy
| | - Federica Balzano
- Department of Chemistry and Industrial Chemistry, University of Pisa, UdR INSTM Pisa, Via Moruzzi 13, 56124 Pisa, Italy
| | - Andrea Cesari
- Department of Chemistry and Industrial Chemistry, University of Pisa, UdR INSTM Pisa, Via Moruzzi 13, 56124 Pisa, Italy
| | - Lara Testai
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126 Pisa, Italy
| | - Valentina Citi
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126 Pisa, Italy
| | - Ylenia Zambito
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126 Pisa, Italy.
| |
Collapse
|
11
|
Huang J, Guo L, Tan R, Wei M, Zhang J, Zhao Y, Gong L, Huang Z, Qiu X. Interactions Between Emodin and Efflux Transporters on Rat Enterocyte by a Validated Ussing Chamber Technique. Front Pharmacol 2018; 9:646. [PMID: 29988367 PMCID: PMC6023986 DOI: 10.3389/fphar.2018.00646] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Accepted: 05/30/2018] [Indexed: 01/06/2023] Open
Abstract
Emodin, a major active anthraquinone, frequently interacts with other drugs. As changes of efflux transporters on intestine are one of the essential reasons why the drugs interact with each other, a validated Ussing chamber technique was established to detect the interactions between emodin and efflux transporters, including P-glycoprotein (P-gp), multidrug-resistant associated protein 2 (MRP2), and multidrug-resistant associated protein 3 (MRP3). Digoxin, pravastatin, and teniposide were selected as the test substrates of P-gp, MRP2, and MRP3. Verapamil, MK571, and benzbromarone were their special inhibitors. The results showed that verapamil, MK571, and benzbromarone could increase digoxin, pravastatin, and teniposide absorption, and decrease their Er values, respectively. Verapamil (220 μM) could significantly increase emodin absorption at 9.25 μM. In the presence of MK571 (186 μM), the Papp values of emodin from M-S were significantly increased and the efflux ratio decreased. With the treatment of emodin (185, 370, and 740 μM), digoxin absorption was significantly decreased while teniposide increased. These results indicated that emodin might be the substrate of P-gp and MRP2. Besides, it might be a P-gp inducer and MRP3 inhibitor on enterocyte, which are reported for the first time. These results will be helpful to explain the drug–drug interaction mechanisms between emodin and other drugs and provide basic data for clinical combination therapy.
Collapse
Affiliation(s)
- Juan Huang
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Lan Guo
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Ruixiang Tan
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Meijin Wei
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Jing Zhang
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Ya Zhao
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Lu Gong
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Zhihai Huang
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Xiaohui Qiu
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China.,Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, Guangzhou, China
| |
Collapse
|
12
|
Kos P, Pavli M, Baumgartner S, Kogej K. Release mechanism of doxazosin from carrageenan matrix tablets: Effect of ionic strength and addition of sodium dodecyl sulphate. Int J Pharm 2017. [PMID: 28648579 DOI: 10.1016/j.ijpharm.2017.06.067] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The polyelectrolyte matrix tablets loaded with an oppositely charged drug exhibit complex drug-release mechanisms. In this study, the release mechanism of a cationic drug doxazosin mesylate (DM) from matrix tablets based on an anionic polyelectrolyte λ-carrageenan (λ-CARR) is investigated. The drug release rates from λ-CARR matrices are correlated with binding results based on potentiometric measurements using the DM ion-sensitive membrane electrode and with molecular characteristics of the DM-λ-CARR-complex particles through hydrodynamic size measurements. Experiments are performed in solutions with different ionic strength and with the addition of an anionic surfactant sodium dodecyl sulphate (SDS). It is demonstrated that in addition to swelling and erosion of tablets, the release rates depend strongly on cooperative interactions between DM and λ-CARR. Addition of SDS at concentrations below its critical micelle concentration (CMC) slows down the DM release through hydrophobic binding of SDS to the DM-λ-CARR complex. On the contrary, at concentrations above the CMC SDS pulls DM from the complex by forming mixed micelles with it and thus accelerates the release. Results involving SDS show that the concentration of surfactants that are naturally present in gastrointestinal environment may have a great impact on the drug release process.
Collapse
Affiliation(s)
- Petra Kos
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, SI-1000 Ljubljana, Slovenia
| | - Matej Pavli
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, SI-1000 Ljubljana, Slovenia; Krka d.d., Novo mesto, Šmarješka cesta 6, SI-8501 Novo mesto, Slovenia
| | - Saša Baumgartner
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, SI-1000 Ljubljana, Slovenia
| | - Ksenija Kogej
- Department of Chemistry and Biochemistry, Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia.
| |
Collapse
|
13
|
Dissolution and dissolution/permeation experiments for predicting systemic exposure following oral administration of the BCS class II drug clarithromycin. Eur J Pharm Sci 2017; 101:211-219. [PMID: 28179133 DOI: 10.1016/j.ejps.2017.02.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Revised: 02/02/2017] [Accepted: 02/02/2017] [Indexed: 11/22/2022]
Abstract
In order to save time and resources in early drug development, in vitro methods that correctly predict the formulation effect on oral drug absorption are necessary. The aim of this study was to 1) evaluate various BCS class II drug formulations with in vitro methods and in vivo in order to 2) determine which in vitro method best correlates with the in vivo results. Clarithromycin served as model compound in formulations with different particle sizes and content of excipients. The performed in vitro experiments were dissolution and dissolution/permeation experiments across two types of membrane, Caco-2 cells and excised rat intestinal sheets. The in vivo study was performed in rats. The oral absorption was enhanced by downsizing drug particles and by increasing the excipient concentration. This correlated strongly with the flux across Caco-2 cells but not with the other in vitro experiments. The insufficient correlation with the dissolution experiments can be partly explained by excipient caused problems during the filtration step. The very poor correlation of the in vivo data with the flux across excised rat intestinal sheets might be due to an artificially enlarged mucus layer ex vivo. In conclusion, downsizing BCS class II drug particles and the addition of surfactants enhanced the in vivo absorption, which was best depicted by dissolution/permeation experiments across Caco-2 cells. This setup is proposed as best model to predict the in vivo formulation effect. Also, this is the first study to evaluate the impact of the nature of the permeation membrane in dissolution/permeation experiments.
Collapse
|
14
|
Forner K, Roos C, Dahlgren D, Kesisoglou F, Konerding MA, Mazur J, Lennernäs H, Langguth P. Optimization of the Ussing chamber setup with excised rat intestinal segments for dissolution/permeation experiments of poorly soluble drugs. Drug Dev Ind Pharm 2016; 43:338-346. [PMID: 27762631 DOI: 10.1080/03639045.2016.1251449] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
CONTEXT Prediction of the in vivo absorption of poorly soluble drugs may require simultaneous dissolution/permeation experiments. In vivo predictive media have been modified for permeation experiments with Caco-2 cells, but not for excised rat intestinal segments. OBJECTIVE The present study aimed at improving the setup of dissolution/permeation experiments with excised rat intestinal segments by assessing suitable donor and receiver media. METHODS The regional compatibility of rat intestine in Ussing chambers with modified Fasted and Fed State Simulated Intestinal Fluids (Fa/FeSSIFmod) as donor media was evaluated via several parameters that reflect the viability of the excised intestinal segments. Receiver media that establish sink conditions were investigated for their foaming potential and toxicity. Dissolution/permeation experiments with the optimized conditions were then tested for two particle sizes of the BCS class II drug aprepitant. RESULTS Fa/FeSSIFmod were toxic for excised rat ileal sheets but not duodenal sheets, the compatibility with jejunal segments depended on the bile salt concentration. A non-foaming receiver medium containing bovine serum albumin (BSA) and Antifoam B was nontoxic. With these conditions, the permeation of nanosized aprepitant was higher than of the unmilled drug formulations. DISCUSSION The compatibility of Fa/FeSSIFmod depends on the excised intestinal region. The chosen conditions enable dissolution/permeation experiments with excised rat duodenal segments. The experiments correctly predicted the superior permeation of nanosized over unmilled aprepitant that is observed in vivo. CONCLUSION The optimized setup uses FaSSIFmod as donor medium, excised rat duodenal sheets as permeation membrane and a receiver medium containing BSA and Antifoam B.
Collapse
Affiliation(s)
- Kristin Forner
- a Department of Pharmaceutical Technology and Biopharmaceutics , Johannes Gutenberg University , Mainz , Germany
| | - Carl Roos
- b Department of Pharmacy , Uppsala University , Uppsala , Sweden
| | - David Dahlgren
- b Department of Pharmacy , Uppsala University , Uppsala , Sweden
| | - Filippos Kesisoglou
- c Department of Biopharmaceutics, Pharmaceutical Sciences and Clinical Supply , Merck & Co. Inc ., Kenilworth , NJ , USA
| | - Moritz A Konerding
- d Institute of Clinical and Functional Anatomy , University Medical Center Johannes Gutenberg University , Mainz , Germany
| | - Johanna Mazur
- e Institute of Medical Biostatistics, Epidemiology and Informatics , University Medical Center Johannes Gutenberg University , Mainz , Germany
| | - Hans Lennernäs
- b Department of Pharmacy , Uppsala University , Uppsala , Sweden
| | - Peter Langguth
- a Department of Pharmaceutical Technology and Biopharmaceutics , Johannes Gutenberg University , Mainz , Germany
| |
Collapse
|
15
|
Huang J, Zhang J, Bai J, Xu W, Wu D, Qiu X. LC-MS/MS determination and interaction of the main components from the traditional Chinese drug pair Danshen-Sanqi based on rat intestinal absorption. Biomed Chromatogr 2016; 30:1928-1934. [PMID: 27228090 DOI: 10.1002/bmc.3768] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Revised: 05/12/2016] [Accepted: 05/20/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Juan Huang
- Guangdong Provincial Hospital of Chinese Medicine; The 2nd Clinical College of Guangzhou University of Chinese Medicine; Guangzhou China
| | - Jing Zhang
- Guangdong Provincial Hospital of Chinese Medicine; The 2nd Clinical College of Guangzhou University of Chinese Medicine; Guangzhou China
| | - Junqi Bai
- Guangdong Provincial Hospital of Chinese Medicine; The 2nd Clinical College of Guangzhou University of Chinese Medicine; Guangzhou China
| | - Wen Xu
- Guangdong Provincial Hospital of Chinese Medicine; The 2nd Clinical College of Guangzhou University of Chinese Medicine; Guangzhou China
| | - Dinghong Wu
- Guangdong Provincial Hospital of Chinese Medicine; The 2nd Clinical College of Guangzhou University of Chinese Medicine; Guangzhou China
| | - Xiaohui Qiu
- Guangdong Provincial Hospital of Chinese Medicine; The 2nd Clinical College of Guangzhou University of Chinese Medicine; Guangzhou China
| |
Collapse
|
16
|
Siyawamwaya M, Choonara YE, Kumar P, Kondiah PPD, du Toit LC, Pillay V. A humic acid-polyquaternium-10 stoichiometric self-assembled fibrilla polyelectrolyte complex: Effect of pH on synthesis, characterization, and drug release. INT J POLYM MATER PO 2016. [DOI: 10.1080/00914037.2016.1149843] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Margaret Siyawamwaya
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Yahya E. Choonara
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Pradeep Kumar
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Pierre P. D. Kondiah
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Lisa C. du Toit
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Viness Pillay
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| |
Collapse
|
17
|
Siyawamwaya M, Choonara YE, Bijukumar D, Kumar P, Du Toit LC, Pillay V. A Review: Overview of Novel Polyelectrolyte Complexes as Prospective Drug Bioavailability Enhancers. INT J POLYM MATER PO 2015. [DOI: 10.1080/00914037.2015.1038816] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
|
18
|
Kubbinga M, Moghani L, Langguth P. Novel insights into excipient effects on the biopharmaceutics of APIs from different BCS classes: Lactose in solid oral dosage forms. Eur J Pharm Sci 2014; 61:27-31. [PMID: 24732384 DOI: 10.1016/j.ejps.2014.03.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Revised: 03/25/2014] [Accepted: 03/31/2014] [Indexed: 12/21/2022]
Abstract
Excipients encompass a wide range of properties that are of importance for the resulting drug product. Regulatory guidelines on biowaivers for immediate release formulations require an in depth understanding of the biopharmaceutic effects of excipients in order to establish bioequivalence between two different products carrying the same API based on dissolution tests alone. This paper describes a new approach in evaluating biopharmaceutic excipient effects. Actually used quantities of a model excipient, lactose, formulated in combination with APIs from different BCS classes were evaluated. The results suggest that companies use different (relative) amounts depending on the characteristics of the API. The probability of bioinequivalence due to a difference in lactose content between test and reference products was classified as low for BCS class I APIs and medium for BCS class II and III APIs, whereas a high probability was assigned to the combination of lactose and BCS class IV APIs. If repeated for other excipients, this retrospective, top-down approach may lead to a new database and more widespread applications of the biowaiver approach.
Collapse
Affiliation(s)
- Marlies Kubbinga
- National Institute for Public Health and the Environment, Bilthoven, The Netherlands; Pharmaceutical Technology and Biopharmaceutics, Johannes Gutenberg University Mainz, Mainz, Germany; Medicines Evaluation Board, Utrecht, The Netherlands
| | - Laura Moghani
- Pharmaceutical Technology and Biopharmaceutics, Johannes Gutenberg University Mainz, Mainz, Germany
| | - Peter Langguth
- Pharmaceutical Technology and Biopharmaceutics, Johannes Gutenberg University Mainz, Mainz, Germany.
| |
Collapse
|
19
|
Li L, Ni R, Shao Y, Mao S. Carrageenan and its applications in drug delivery. Carbohydr Polym 2014; 103:1-11. [DOI: 10.1016/j.carbpol.2013.12.008] [Citation(s) in RCA: 354] [Impact Index Per Article: 35.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2013] [Revised: 12/02/2013] [Accepted: 12/03/2013] [Indexed: 12/30/2022]
|