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Lei Y, Jiang W, Peng C, Wu D, Wu J, Xu Y, Yan H, Xia X. Advances in polymeric nano-delivery systems targeting hair follicles for the treatment of acne. Drug Deliv 2024; 31:2372269. [PMID: 38956885 PMCID: PMC11225637 DOI: 10.1080/10717544.2024.2372269] [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: 08/02/2023] [Accepted: 06/05/2024] [Indexed: 07/04/2024] Open
Abstract
Acne is a common chronic inflammatory disorder of the sebaceous gland in the hair follicle. Commonly used external medications cause skin irritation, and the transdermal capacity is weak, making it difficult to penetrate the cuticle skin barrier. Hair follicles can aid in the breakdown of this barrier. As nanomaterials progress, polymer-based nanocarriers are routinely used for hair follicle drug delivery to treat acne and other skin issues. Based on the physiological and anatomical characteristics of hair follicles, this paper discusses factors affecting hair follicle delivery by polymer nanocarriers, summarizes the common combination technology to improve the targeting of hair follicles by carriers, and finally reviews the most recent research progress of different polymer nanodrug-delivery systems for the treatment of acne by targeting hair follicles.
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Affiliation(s)
- Yujing Lei
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Wanting Jiang
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Cheng Peng
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Donghai Wu
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Jing Wu
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Yiling Xu
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Hong Yan
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Xinhua Xia
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
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Ji Y, Li H, Li J, Yang G, Zhang W, Shen Y, Xu B, Liu J, Wen J, Song W. Hair Follicle-Targeted Delivery of Azelaic Acid Micro/Nanocrystals Promote the Treatment of Acne Vulgaris. Int J Nanomedicine 2024; 19:5173-5191. [PMID: 38855733 PMCID: PMC11162231 DOI: 10.2147/ijn.s459788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 05/28/2024] [Indexed: 06/11/2024] Open
Abstract
Purpose Acne vulgaris is a chronic inflammatory skin disorder centered on hair follicles, making hair follicle-targeted delivery of anti-acne drugs a promising option for acne treatment. However, current researches have only focused on the delivering to healthy hair follicles, which are intrinsically different from pathologically clogged hair follicles in acne vulgaris. Patients and Methods Azelaic acid (AZA) micro/nanocrystals with different particle sizes were prepared by wet media milling or high-pressure homogenization. An experiment on AZA micro/nanocrystals delivering to healthy hair follicles was carried out, with and without the use of physical enhancement techniques. More importantly, it innovatively designed an experiment, which could reveal the ability of AZA micro/nanocrystals to penetrate the constructed clogged hair follicles. The anti-inflammatory and antibacterial effects of AZA micro/nanocrystals were evaluated in vitro using a RAW264.7 cell model stimulated by lipopolysaccharide and a Cutibacterium acnes model. Finally, both the anti-acne effects and skin safety of AZA micro/nanocrystals and commercial products were compared in vivo. Results In comparison to commercial products, 200 nm and 500 nm AZA micro/nanocrystals exhibited an increased capacity to target hair follicles. In the combination group of AZA micro/nanocrystals and ultrasound, the ability to penetrate hair follicles was further remarkably enhanced (ER value up to 9.6). However, toward the clogged hair follicles, AZA micro/nanocrystals cannot easily penetrate into by themselves. Only with the help of 1% salicylic acid, AZA micro/nanocrystals had a great potential to penetrate clogged hair follicle. It was also shown that AZA micro/nanocrystals had anti-inflammatory and antibacterial effects by inhibiting pro-inflammatory factors and Cutibacterium acnes. Compared with commercial products, the combination of AZA micro/nanocrystals and ultrasound exhibited an obvious advantage in both skin safety and in vivo anti-acne therapeutic efficacy. Conclusion Hair follicle-targeted delivery of AZA micro/nanocrystals provided a satisfactory alternative in promoting the treatment of acne vulgaris.
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Affiliation(s)
- Yan Ji
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing, People’s Republic of China
| | - Haorong Li
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing, People’s Republic of China
| | - Jiguo Li
- Nanjing Miaobang Meiye Enterprise Management Co, LTD, Nanjing, People’s Republic of China
| | - Guangqiang Yang
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing, People’s Republic of China
| | - Wenli Zhang
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing, People’s Republic of China
| | - Yan Shen
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing, People’s Republic of China
| | - Bohui Xu
- School of Pharmacy, Nantong University, Nantong, 226001, People’s Republic of China
| | - Jianping Liu
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing, People’s Republic of China
| | - Jingyuan Wen
- School of Pharmacy, Faculty of Medical and Health Sciences, the University of Auckland, Auckland, New Zealand
| | - Wenting Song
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing, People’s Republic of China
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Rao MR, Gaikwad P, Misal P, Gandhi SV. Phyto-cosmeceutical gel containing curcumin and quercetin loaded mixed micelles for improved anti-oxidant and photoprotective activity. Colloids Surf B Biointerfaces 2024; 237:113837. [PMID: 38508086 DOI: 10.1016/j.colsurfb.2024.113837] [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: 01/03/2024] [Revised: 03/05/2024] [Accepted: 03/08/2024] [Indexed: 03/22/2024]
Abstract
Ultra Violet radiations induced skin damage and associated skin disorders are a widespread concern. The consequences of sun exposure include a plethora of dermal conditions like aging, solar urticaria, albinism and cancer. Sunscreens provide effective protection to skin from these damages. Besides FDA approved physical and chemical UV filters, phytoconstituents with their multi functionalities are emerging as frontrunners in Therapy of skin disorders. Objective of this study was to develop novel phyto-dermal gel (PDG) with dual action of sun protection and antioxidant potential using polymeric mixed micelles (PMMs) are nanocarriers. PMMs of Pluronic F127 and Pluronic F68 loaded with curcumin and quercetin were optimized by 32 factorial designs. Responses studied were vesicle size, SPF, entrapment efficiency of curcumin and quercetin and antioxidant activity. Droplet size ranged from 300 to 500 nm with PDI in between 0.248 and 0.584. Combination of curcumin and quercetin showed enhanced sun protection and antioxidant activity. Pluronics played a significant positive role in various parameters. In present studies vesicle size of factorial batches was found to be between 387 and 527 nm, and SPF was found to be between 18.86 and 28.32. Transmission electron microscopy revealed spherical morphology of micelles. Optimized micelles were incorporated into Carbopol 940. Optimized PDG was evaluated for pH, drug content, spreadability, rheology, syneresis, ex vivo permeation, and skin retention. Hysteresis loop in the rheogram suggested thixotropy of PDG. Syneresis for gels from day 0-30 days was found to be between 0% and 12.46% w/w. SPF of optimized PDG was 27±0.5. Optimized PDG showed no signs of erythema and edema on Wistar rats. PMMs thus effectively enhanced antioxidant and skin protective effect of curcumin and quercetin.
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Affiliation(s)
- Monica Rp Rao
- Department of Pharmaceutics, AISSMS College of Pharmacy, Kennedy Road, Near RTO, Pune, Maharashtra 411001, India
| | - Pranjali Gaikwad
- Department of Pharmaceutics, AISSMS College of Pharmacy, Kennedy Road, Near RTO, Pune, Maharashtra 411001, India
| | - Poonam Misal
- Department of Pharmaceutics, AISSMS College of Pharmacy, Kennedy Road, Near RTO, Pune, Maharashtra 411001, India
| | - Santosh V Gandhi
- Department of Quality Assurance, AISSMS College of Pharmacy, Kennedy Road, Near RTO, Pune, Maharashtra 411001, India
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Savchenko IV, Zlotnikov ID, Kudryashova EV. Biomimetic Systems Involving Macrophages and Their Potential for Targeted Drug Delivery. Biomimetics (Basel) 2023; 8:543. [PMID: 37999184 PMCID: PMC10669405 DOI: 10.3390/biomimetics8070543] [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: 08/09/2023] [Revised: 09/10/2023] [Accepted: 11/10/2023] [Indexed: 11/25/2023] Open
Abstract
The concept of targeted drug delivery can be described in terms of the drug systems' ability to mimic the biological objects' property to localize to target cells or tissues. For example, drug delivery systems based on red blood cells or mimicking some of their useful features, such as long circulation in stealth mode, have been known for decades. On the contrary, therapeutic strategies based on macrophages have gained very limited attention until recently. Here, we review two biomimetic strategies associated with macrophages that can be used to develop new therapeutic modalities: first, the mimicry of certain types of macrophages (i.e., the use of macrophages, including tumor-associated or macrophage-derived particles as a carrier for the targeted delivery of therapeutic agents); second, the mimicry of ligands, naturally absorbed by macrophages (i.e., the use of therapeutic agents specifically targeted at macrophages). We discuss the potential applications of biomimetic systems involving macrophages for new advancements in the treatment of infections, inflammatory diseases, and cancer.
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Affiliation(s)
| | | | - Elena V. Kudryashova
- Faculty of Chemistry, Lomonosov Moscow State University, Leninskie Gory, 1/3, 119991 Moscow, Russia (I.D.Z.)
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Darade AR, Lapteva M, Ling V, Kalia YN. Polymeric micelles for cutaneous delivery of the hedgehog pathway inhibitor TAK-441: Formulation development and cutaneous biodistribution in porcine and human skin. Int J Pharm 2023; 644:123349. [PMID: 37633540 DOI: 10.1016/j.ijpharm.2023.123349] [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: 07/10/2023] [Revised: 08/21/2023] [Accepted: 08/23/2023] [Indexed: 08/28/2023]
Abstract
TAK-441 is a potent inhibitor of the hedgehog pathway (IC50 4.4 nM) developed for the treatment of basal cell carcinoma that is active against the vismodegib-resistant Smoothened receptor D473H mutant. The objective of this study was to develop a micelle-based formulation of TAK-441 using D-α-Tocopherol polyethylene glycol 1000 succinate (TPGS) and to investigate its cutaneous delivery and biodistribution. The micelles were prepared using solvent evaporation and incorporation of TAK-441 in the TPGS micelles increased aqueous solubility ∼40-fold. The optimal formulation, a 3% HPMC hydrogel of TAK-441 loaded TPGS micelles, retained ∼92% of the initial TAK-441 content (2.5 mgTAK-441/g) after storage at 4 °C for 6 months. Finite dose experiments using human skin demonstrated that this formulation resulted in significantly greater cutaneous deposition of TAK-441 after 12 h than a non-micelle control formulation, (0.40 ± 0.11 µg/cm2 and 0.05 ± 0.02 µg/cm2, respectively) - no transdermal permeation was observed. The cutaneous biodistribution profile demonstrated that TAK-441 was predominantly delivered to the viable epidermis and upper dermis. Delivery from the HPMC hydrogel formulation resulted in TAK-441 epidermal concentrations that were several thousand-fold higher than the IC50, with almost negligible transdermal permeation, thereby decreasing the risk of systemic side effects in vivo.
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Affiliation(s)
- Aditya R Darade
- School of Pharmaceutical Sciences, University of Geneva, CMU, 1 rue Michel-Servet, 1211, Geneva 4, Switzerland; Institute of Pharmaceutical Sciences Western Switzerland, University of Geneva, Geneva, Switzerland
| | - Maria Lapteva
- School of Pharmaceutical Sciences, University of Geneva, CMU, 1 rue Michel-Servet, 1211, Geneva 4, Switzerland; Institute of Pharmaceutical Sciences Western Switzerland, University of Geneva, Geneva, Switzerland
| | - Vincent Ling
- Takeda Pharmaceuticals, Drug Delivery Technologies Search and Evaluation, 40 Landsdowne St, Cambridge MA 02139, United States
| | - Yogeshvar N Kalia
- School of Pharmaceutical Sciences, University of Geneva, CMU, 1 rue Michel-Servet, 1211, Geneva 4, Switzerland; Institute of Pharmaceutical Sciences Western Switzerland, University of Geneva, Geneva, Switzerland.
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Abid F, Savaliya B, Parikh A, Kim S, Amirmostofian M, Cesari L, Song Y, Page SW, Trott DJ, Garg S. Nanotechnology and narasin: a powerful combination against acne. NANOSCALE 2023; 15:13728-13739. [PMID: 37577823 DOI: 10.1039/d3nr01789c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
Acne vulgaris is widely regarded as the most prevalent skin disorder characterized by painful, inflammatory skin lesions that are primarily attributed to the pathogenic actions of Cutibacterium acnes (C. acnes). To improve the clinical management of this disease, there is a pressing clinical demand to develop innovative antibacterial therapies that utilize novel mechanisms. The current research aimed to discover the antibacterial efficacy of narasin (NAR), a polyether ionophore, against drug-resistant acne bacteria. In addition, the study aimed to formulate self-nanomicellizing solid dispersions (SNMSD), utilizing Soluplus® (SOL), as a drug delivery system to incorporate NAR and selectively target the lipophilic C. acnes abundant environments within the skin. Furthermore, the study aimed to investigate the ex vivo deposition and permeation of NAR into the various layers of the skin using full-thickness porcine ear skin as a model skin. By encapsulating NAR within spherical polymeric micelles (dn < 80 nm) aqueous solubility was significantly increased by approximately 100-fold (from <40 μg mL-1 to 4600 μg mL-1). Following optimization, the micelle solution was integrated into a gel formulation (containing 0.2% w/v NAR) and evaluated for stability over 4 weeks at room temperature (drug content >98%). Results from drug deposition and permeation experiments demonstrated that the deposition of NAR from the NAR-micelle solution and its gel formulation into the lipophilic stratum corneum (19 835.60 ± 6237.89 ng cm-2 and 40 601.14 ± 3736.09 ng cm-2) and epidermis (19 347 ± 1912.98 ng cm-2 and 18 763.54 ± 580.77 ng cm-2) was superior to that of NAR in solution, which failed to penetrate any skin layers. In conclusion, the outcomes of this study provide evidence that NAR exhibits promising activity against antimicrobial resistant strains of C. acnes (MIC range ≤0.008-0.062) and that micelle nanocarriers can improve the aqueous solubility of poorly water-soluble drugs. Furthermore, our results highlight the ability of nanomicelles to enable selective and targeted drug delivery to the lipophilic skin layers.
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Affiliation(s)
- Fatima Abid
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia.
| | - Bhumika Savaliya
- Australian Centre for Antimicrobial Resistance Ecology, School of Animal and Veterinary Sciences, University of Adelaide, Roseworthy SA, 5371, Australia
| | - Ankit Parikh
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia.
| | - Sangseo Kim
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia.
| | - Marzieh Amirmostofian
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia.
| | - Laura Cesari
- Faculty of Pharmacy, Aix-Marseille Université, Marseille 13007, France
| | - Yunmei Song
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia.
| | | | - Darren J Trott
- Australian Centre for Antimicrobial Resistance Ecology, School of Animal and Veterinary Sciences, University of Adelaide, Roseworthy SA, 5371, Australia
| | - Sanjay Garg
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia.
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7
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Cheng T, Tai Z, Shen M, Li Y, Yu J, Wang J, Zhu Q, Chen Z. Advance and Challenges in the Treatment of Skin Diseases with the Transdermal Drug Delivery System. Pharmaceutics 2023; 15:2165. [PMID: 37631379 PMCID: PMC10458513 DOI: 10.3390/pharmaceutics15082165] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/11/2023] [Accepted: 08/13/2023] [Indexed: 08/27/2023] Open
Abstract
Skin diseases are among the most prevalent non-fatal conditions worldwide. The transdermal drug delivery system (TDDS) has emerged as a promising approach for treating skin diseases, owing to its numerous advantages such as high bioavailability, low systemic toxicity, and improved patient compliance. However, the effectiveness of the TDDS is hindered by several factors, including the barrier properties of the stratum corneum, the nature of the drug and carrier, and delivery conditions. In this paper, we provide an overview of the development of the TDDS from first-generation to fourth-generation systems, highlighting the characteristics of each carrier in terms of mechanism composition, penetration method, mechanism of action, and recent preclinical studies. We further investigated the significant challenges encountered in the development of the TDDS and the crucial significance of clinical trials.
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Affiliation(s)
- Tingting Cheng
- School of Pharmacy, Bengbu Medical College, 2600 Donghai Road, Bengbu 233030, China; (T.C.); (J.Y.); (J.W.)
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, 1278 Baode Road, Shanghai 200443, China; (Z.T.); (M.S.); (Y.L.)
| | - Zongguang Tai
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, 1278 Baode Road, Shanghai 200443, China; (Z.T.); (M.S.); (Y.L.)
| | - Min Shen
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, 1278 Baode Road, Shanghai 200443, China; (Z.T.); (M.S.); (Y.L.)
| | - Ying Li
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, 1278 Baode Road, Shanghai 200443, China; (Z.T.); (M.S.); (Y.L.)
| | - Junxia Yu
- School of Pharmacy, Bengbu Medical College, 2600 Donghai Road, Bengbu 233030, China; (T.C.); (J.Y.); (J.W.)
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, 1278 Baode Road, Shanghai 200443, China; (Z.T.); (M.S.); (Y.L.)
| | - Jiandong Wang
- School of Pharmacy, Bengbu Medical College, 2600 Donghai Road, Bengbu 233030, China; (T.C.); (J.Y.); (J.W.)
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, 1278 Baode Road, Shanghai 200443, China; (Z.T.); (M.S.); (Y.L.)
| | - Quangang Zhu
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, 1278 Baode Road, Shanghai 200443, China; (Z.T.); (M.S.); (Y.L.)
| | - Zhongjian Chen
- School of Pharmacy, Bengbu Medical College, 2600 Donghai Road, Bengbu 233030, China; (T.C.); (J.Y.); (J.W.)
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, 1278 Baode Road, Shanghai 200443, China; (Z.T.); (M.S.); (Y.L.)
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Pereira MN, Nogueira LL, Cunha-Filho M, Gratieri T, Gelfuso GM. Methodologies to Evaluate the Hair Follicle-Targeted Drug Delivery Provided by Nanoparticles. Pharmaceutics 2023; 15:2002. [PMID: 37514188 PMCID: PMC10383440 DOI: 10.3390/pharmaceutics15072002] [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: 06/26/2023] [Revised: 07/16/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023] Open
Abstract
Nanotechnology has been investigated for treatments of hair follicle disorders mainly because of the natural accumulation of solid nanoparticles in the follicular openings following a topical application, which provides a drug "targeting effect". Despite the promising results regarding the therapeutic efficacy of topically applied nanoparticles, the literature has often presented controversial results regarding the targeting of hair follicle potential of nanoformulations. A closer look at the published works shows that study parameters such as the type of skin model, skin sections analyzed, employed controls, or even the extraction methodologies differ to a great extent among the studies, producing either unreliable results or precluding comparisons altogether. Hence, the present study proposes to review different skin models and methods for quantitative and qualitative analysis of follicular penetration of nano-entrapped drugs and their influence on the obtained results, as a way of providing more coherent study protocols for the intended application.
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Affiliation(s)
- Maíra N Pereira
- Laboratory of Food, Drug, and Cosmetics (LTMAC), School of Health Sciences, University of Brasilia, Brasilia 70910-900, DF, Brazil
| | - Luma L Nogueira
- Laboratory of Food, Drug, and Cosmetics (LTMAC), School of Health Sciences, University of Brasilia, Brasilia 70910-900, DF, Brazil
| | - Marcilio Cunha-Filho
- Laboratory of Food, Drug, and Cosmetics (LTMAC), School of Health Sciences, University of Brasilia, Brasilia 70910-900, DF, Brazil
| | - Tais Gratieri
- Laboratory of Food, Drug, and Cosmetics (LTMAC), School of Health Sciences, University of Brasilia, Brasilia 70910-900, DF, Brazil
| | - Guilherme M Gelfuso
- Laboratory of Food, Drug, and Cosmetics (LTMAC), School of Health Sciences, University of Brasilia, Brasilia 70910-900, DF, Brazil
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Guan Y, Yan A, Qiang W, Ruan R, Yang C, Ma K, Sun H, Liu M, Zhu H. Selective Delivery of Tofacitinib Citrate to Hair Follicles Using Lipid-Coated Calcium Carbonate Nanocarrier Controls Chemotherapy-Induced Alopecia Areata. Int J Mol Sci 2023; 24:ijms24098427. [PMID: 37176141 PMCID: PMC10179728 DOI: 10.3390/ijms24098427] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 04/24/2023] [Accepted: 05/04/2023] [Indexed: 05/15/2023] Open
Abstract
Chemotherapy-induced alopecia (CIA) is one of the common side effects in cancer treatment. The psychological distress caused by hair loss may cause patients to discontinue chemotherapy, affecting the efficacy of the treatment. The JAK inhibitor, Tofacitinib citrate (TFC), showed huge potential in therapeutic applications for treating baldness, but the systemic adverse effects of oral administration and low absorption rate at the target site limited its widespread application in alopecia. To overcome these problems, we designed phospholipid-calcium carbonate hybrid nanoparticles (PL/ACC NPs) for a topical application to target deliver TFC. The results proved that PL/ACC-TFC NPs showed excellent pH sensitivity and transdermal penetration in vitro. PL/ACC NPs offered an efficient follicular targeting approach to deliver TFC in a Cyclophosphamide (CYP)-induced alopecia areata mouse model. Compared to the topical application of TFC solution, PL/ACC-TFC NPs significantly inhibited apoptosis of mouse hair follicles and accelerated hair growth. These findings support that PL/ACC-TFC NPs has the potential for topical application in preventing and mitigating CYP-induced Alopecia areata.
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Affiliation(s)
- Yeneng Guan
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China
| | - Aqin Yan
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China
| | - Wei Qiang
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China
| | - Rui Ruan
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China
| | - Chaobo Yang
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China
| | - Kai Ma
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China
| | - Hongmei Sun
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China
| | - Mingxing Liu
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China
| | - Hongda Zhu
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China
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10
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Rao MR, Deshpande S, Deshpande P. Dapsone-Loaded Mixed Micellar Gel for Treatment OF Acne Vulgaris. AAPS PharmSciTech 2023; 24:109. [PMID: 37100968 DOI: 10.1208/s12249-023-02564-1] [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: 12/19/2022] [Accepted: 04/04/2023] [Indexed: 04/28/2023] Open
Abstract
Mixed polymeric micelles are potential nanocarriers for topical drug delivery. Dapsone (DAP) is an antibacterial used as anti-acne agent, but challenged by low water solubility and poor skin permeability. In the present study, DAP-loaded mixed micellar gel was developed comprising Pluronics F-68 and F-127. Micelles were prepared by solvent evaporation method and particle size, ex vivo permeation, drug loading, and entrapment efficiency were determined. Central Composite Design was used to optimize formulation. Independent variables were concentration of Pluronics at three levels while micelle size and drug loading capacities were dependent variables. Droplet size ranged from 400 to 500 nm. Transmission electron microscopy revealed spherical morphology of micelles. Optimized micelles were incorporated into gel base using HPMC K100M, Sodium CMC, and Carbopol 980 as gelling agents. Gels were evaluated for pH, drug content, spreadability, rheology, syneresis, ex vivo permeation, and subacute dermal toxicity. Compared with solubility of free DAP (0.24+0.056 µg/ml), solubility in mixed micelles was 18.42±3.4 µg/ml in water at room temperature. Order of spreadability of gels was Na CMC < HPMC < Carbopol 980. Carbopol gels displayed thixotropy with index of 3.17. Syneresis for all gels from day 0 to day 30 was found to be in range of 4.2 to 15.6% w/w. Subacute dermal toxicity studies showed no signs of erythema and edema on rat skin until 21 days. These results suggest that mixed micelles can significantly increase solubility and permeability and sustain release of DAP and are suitable carriers for topical DAP delivery in anti-acne therapies.
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Affiliation(s)
- Monica Rp Rao
- Department of Pharmaceutics, AISSMS College of Pharmacy, Kennedy Road, Near R.T.O., Maharashtra, 411001, Pune, India.
| | - Sushant Deshpande
- Department of Pharmaceutical Quality Assurance, AISSMS College of Pharmacy, Kennedy Road, Near R.T.O., Pune, 411001, India
| | - Padmanabh Deshpande
- Department of Pharmaceutical Quality Assurance, AISSMS College of Pharmacy, Kennedy Road, Near R.T.O., Pune, 411001, India
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Quartier J, Lapteva M, Boulaguiem Y, Guerrier S, Kalia YN. Influence of Molecular Structure and Physicochemical Properties of Immunosuppressive Drugs on Micelle Formulation Characteristics and Cutaneous Delivery. Pharmaceutics 2023; 15:pharmaceutics15041278. [PMID: 37111763 PMCID: PMC10142028 DOI: 10.3390/pharmaceutics15041278] [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: 02/17/2023] [Revised: 04/12/2023] [Accepted: 04/14/2023] [Indexed: 04/29/2023] Open
Abstract
The aim of this study was to investigate whether subtle differences in molecular properties affected polymeric micelle characteristics and their ability to deliver poorly water-soluble drugs into the skin. D-α-tocopherol-polyethylene glycol 1000 was used to prepare micelles containing ascomycin-derived immunosuppressants-sirolimus (SIR), pimecrolimus (PIM) and tacrolimus (TAC)-which have similar structures and physicochemical properties and have dermatological applications. Micelle formulations were prepared by thin-film hydration and extensively characterized. Cutaneous delivery and biodistribution were determined and compared. Sub-10 nm micelles were obtained for the three immunosuppressants with incorporation efficiencies >85%. However, differences were observed for drug loading, stability (at the highest concentration), and their in vitro release kinetics. These were attributed to differences in drug aqueous solubility and lipophilicity. Differences between the cutaneous biodistribution profiles and drug deposition in the different skin compartments pointed to the impact of differences in thermodynamic activity. Therefore, despite their structural similarities, SIR, TAC and PIM did not demonstrate the same behaviour either in the micelles or when applied to the skin. These outcomes indicate that polymeric micelles should be optimized even for closely related drug molecules and support the hypothesis that drugs are released from micelles prior to skin penetration.
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Affiliation(s)
- Julie Quartier
- School of Pharmaceutical Sciences, University of Geneva, CMU-1 rue Michel Servet, 1211 Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU-1 rue Michel Servet, 1211 Geneva, Switzerland
| | - Maria Lapteva
- School of Pharmaceutical Sciences, University of Geneva, CMU-1 rue Michel Servet, 1211 Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU-1 rue Michel Servet, 1211 Geneva, Switzerland
| | - Younes Boulaguiem
- Geneva School of Economics and Management, University of Geneva, 40 Boulevard du Pont d'Arve, 1204 Geneva, Switzerland
| | - Stéphane Guerrier
- School of Pharmaceutical Sciences, University of Geneva, CMU-1 rue Michel Servet, 1211 Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU-1 rue Michel Servet, 1211 Geneva, Switzerland
- Geneva School of Economics and Management, University of Geneva, 40 Boulevard du Pont d'Arve, 1204 Geneva, Switzerland
| | - Yogeshvar N Kalia
- School of Pharmaceutical Sciences, University of Geneva, CMU-1 rue Michel Servet, 1211 Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU-1 rue Michel Servet, 1211 Geneva, Switzerland
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12
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Hao Feng Y, Xin Guo W, Li X, Liu J, Nosrati-Siahmazgi V, Toolabi M, Min Fei W, Cui Y, Zhi Chen B, Shahbazi MA, Juan Zhang L, Yang Zhang C, Dong Guo X. Strategies to Prevent Water Soluble Drug Leakage from Nanovesicles in Blood Circulation: A Coarse-Grained Molecular Study. Chem Eng Sci 2023. [DOI: 10.1016/j.ces.2023.118715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2023]
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13
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Polymeric Nanoparticles as Tunable Nanocarriers for Targeted Delivery of Drugs to Skin Tissues for Treatment of Topical Skin Diseases. Pharmaceutics 2023; 15:pharmaceutics15020657. [PMID: 36839979 PMCID: PMC9964857 DOI: 10.3390/pharmaceutics15020657] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/05/2023] [Accepted: 02/07/2023] [Indexed: 02/18/2023] Open
Abstract
The topical route is the most appropriate route for the targeted delivery of drugs to skin tissues for the treatment of local skin diseases; however, the stratum corneum (SC), the foremost layer of the skin, acts as a major barrier. Numerous passive and active drug delivery techniques have been exploited to overcome this barrier; however, these modalities are associated with several detrimental effects which restrict their clinical applicability. Alternatively, nanotechnology-aided interventions have been extensively investigated for the topical administration of a wide range of therapeutics. In this review, we have mainly focused on the biopharmaceutical significance of polymeric nanoparticles (PNPs) (made from natural polymers) for the treatment of various topical skin diseases such as psoriasis, atopic dermatitis (AD), skin infection, skin cancer, acute-to-chronic wounds, and acne. The encapsulation of drug(s) into the inner core or adsorption onto the shell of PNPs has shown a marked improvement in their physicochemical properties, avoiding premature degradation and controlling the release kinetics, permeation through the SC, and retention in the skin layers. Furthermore, functionalization techniques such as PEGylation, conjugation with targeting ligand, and pH/thermo-responsiveness have shown further success in optimizing the therapeutic efficacy of PNPs for the treatment of skin diseases. Despite enormous progress in the development of PNPs, their clinical translation is still lacking, which could be a potential future perspective for researchers working in this field.
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14
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Dong Y, Yang K, Xu Z, Li X, Wang F, Zhang Y. Effective Delivery of Paclitaxel-Loaded Ferritin via Inverso CendR Peptide for Enhanced Cancer Therapy. Mol Pharm 2023; 20:942-952. [PMID: 36574345 DOI: 10.1021/acs.molpharmaceut.2c00616] [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: 12/29/2022]
Abstract
The application of drug delivery systems based on ferritin nanocarrier has been developed as a potential strategy in cancer therapy. The limited permeability of ferritin remains a challenge for drug penetration into the deeper tumor tissues. CendR peptides have been reported to bear tumor-specific penetration by recognizing neuropilin (NRP-1) receptor that overexpressed on a wide range of cancer cells. Herein, we modified CendR peptide L(RGERPPR), its retro-inverso peptide D(RPPREGR), and inverso peptide D(RGERPPR) on the outer surface of human H chain ferritin by sulfhydryl-maleimide coupling reaction. Approximately 45 paclitaxel (PTX) molecules could be loaded into each ferritin inner cavity by a thermal-triggered method at a specific ionic strength. The penetration ability of three peptide-modified ferritin constructs showed that D(RGERPPR)-modified HFtn was able to be engulfed by A549 and MCF-7 tumor cells and spheroids at the highest level. Due to the dual-targeting effect of ferritin and modified peptides, the PTX-loaded nanocomposites could effectively enter the cells with high expression of TfR1 and NRP-1 receptors and enhanced the cytotoxicity against tumor cells. Remarkably, H-D(RGE)-PTX displayed a superior tumor growth suppression efficacy in A549 tumor-bearing nude mice. The inverso CendR peptide-modified HFtn nanocarrier was first generated and could provide an effective dual-targeting platform for treatment of cancers.
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Affiliation(s)
- Yixin Dong
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, Nanjing Forestry University, Nanjing210037, P. R. China
| | - Kun Yang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, Nanjing Forestry University, Nanjing210037, P. R. China
| | - Zicheng Xu
- The Affiliated Cancer Hospital of Nanjing Medical University, Jiangsu Cancer Hospital, Nanjing210009, P. R. China
| | - Xun Li
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, Nanjing Forestry University, Nanjing210037, P. R. China
| | - Fei Wang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, Nanjing Forestry University, Nanjing210037, P. R. China
| | - Yu Zhang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, Nanjing Forestry University, Nanjing210037, P. R. China
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15
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New Advances in Biomedical Application of Polymeric Micelles. Pharmaceutics 2022; 14:pharmaceutics14081700. [PMID: 36015325 PMCID: PMC9416043 DOI: 10.3390/pharmaceutics14081700] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/29/2022] [Accepted: 08/07/2022] [Indexed: 12/20/2022] Open
Abstract
In the last decade, nanomedicine has arisen as an emergent area of medicine, which studies nanometric systems, namely polymeric micelles (PMs), that increase the solubility and the stability of the encapsulated drugs. Furthermore, their application in dermal drug delivery is also relevant. PMs present unique characteristics because of their unique core-shell architecture. They are colloidal dispersions of amphiphilic compounds, which self-assemble in an aqueous medium, giving a structure-type core-shell, with a hydrophobic core (that can encapsulate hydrophobic drugs), and a hydrophilic shell, which works as a stabilizing agent. These features offer PMs adequate steric protection and determine their hydrophilicity, charge, length, and surface density properties. Furthermore, due to their small size, PMs can be absorbed by the intestinal mucosa with the drug, and they transport the drug in the bloodstream until the therapeutic target. Moreover, PMs improve the pharmacokinetic profile of the encapsulated drug, present high load capacity, and are synthesized by a reproducible, easy, and low-cost method. In silico approaches have been explored to improve the physicochemical properties of PMs. Based on this, a computer-aided strategy was developed and validated to enable the delivery of poorly soluble drugs and established critical physicochemical parameters to maximize drug loading, formulation stability, and tumor exposure. Poly(2-oxazoline) (POx)-based PMs display unprecedented high loading concerning water-insoluble drugs and over 60 drugs have been incorporated in POx PMs. Among various stimuli, pH and temperature are the most widely studied for enhanced drug release at the site of action. Researchers are focusing on dual (pH and temperature) responsive PMs for controlled and improved drug release at the site of action. These dual responsive systems are mainly evaluated for cancer therapy as certain malignancies can cause a slight increase in temperature and a decrease in the extracellular pH around the tumor site. This review is a compilation of updated therapeutic applications of PMs, such as PMs that are based on Pluronics®, micelleplexes and Pox-based PMs in several biomedical applications.
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16
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Nanocarriers: A Reliable Tool for the Delivery of Anticancer Drugs. Pharmaceutics 2022; 14:pharmaceutics14081566. [PMID: 36015192 PMCID: PMC9415391 DOI: 10.3390/pharmaceutics14081566] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 07/23/2022] [Accepted: 07/25/2022] [Indexed: 12/26/2022] Open
Abstract
Nanomedicines have gained popularity due to their potential therapeutic applications, especially cancer treatment. Targeted nanoparticles can deliver drugs directly to cancer cells and enable prolonged drug release, reducing off-target toxicity and increasing therapeutic efficacy. However, translating nanomedicines from preclinical to clinical settings has been difficult. Rapid advancements in nanotechnology promise to enhance cancer therapies. Nanomedicine offers advanced targeting and multifunctionality. Nanoparticles (NPs) have several uses nowadays. They have been studied as drug transporters, tumor gene delivery agents, and imaging contrast agents. Nanomaterials based on organic, inorganic, lipid, or glycan substances and synthetic polymers have been used to enhance cancer therapies. This review focuses on polymeric nanoparticle delivery strategies for anticancer nanomedicines.
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17
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Gu Y, Bian Q, Zhou Y, Huang Q, Gao J. Hair follicle-targeting drug delivery strategies for the management of hair follicle-associated disorders. Asian J Pharm Sci 2022; 17:333-352. [PMID: 35782323 PMCID: PMC9237597 DOI: 10.1016/j.ajps.2022.04.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/30/2022] [Accepted: 04/14/2022] [Indexed: 12/12/2022] Open
Abstract
The hair follicle is not only a critical penetration route in percutaneous absorption but also has been recognized to be a target for hair follicle-associated disorders, such as androgenetic alopecia (AGA) and acne vulgaris. Hair follicle-targeting drug delivery systems allow for controlled drug release and enhance therapeutic efficacy with minimal side effects, exerting a promising method for the management of hair follicle-associated dysfunctions. Therefore, they have obtained much attention in several fields of research in recent years. This review gives an overview of potential follicle-targeting drug delivery formulations currently applied based on the particularities of the hair follicles, including a comprehensive assessment of their preclinical and clinical performance.
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Affiliation(s)
- Yueting Gu
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Qiong Bian
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yanjun Zhou
- Zhejiang Huanling Pharmaceutical Technology Company, Jinhua 321000, China
| | - Qiaoling Huang
- The Third People's Hospital of Hangzhou, Hangzhou 310009, China
| | - Jianqing Gao
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- Jiangsu Engineering Research Center for New-type External and Transdermal Preparations, Changzhou 213149, China
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18
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Durgun ME, Kahraman E, Hacıoğlu M, Güngör S, Özsoy Y. Posaconazole micelles for ocular delivery: in vitro permeation, ocular irritation and antifungal activity studies. Drug Deliv Transl Res 2022; 12:662-675. [PMID: 33830458 DOI: 10.1007/s13346-021-00974-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/29/2021] [Indexed: 12/26/2022]
Abstract
Posaconazole (PSC) is a triazole group anti-fungal agent with the widest spectrum. Although there is no commercially available ocular dosage form, its diluted oral suspension preparation (Noxafil®) is used as off-label in topical treatment of severe keratitis and sclerokeratitis in the clinic. However, ocular bioavailability of PSC suspension form is extremely low due to its highly lipophilic character. Thus, there is a clinical need to improve its ocular bioavailability and to develop novel delivery system for the treatment of ocular fungal infections. Herein, we studied ex vivo permeation, penetration, anti-fungal activity, and Hen's Egg Test-Chorioallantoic Membrane (HET-CAM) toxicity tests in order to assess ocular targeting of PSC micelles, which were optimized in our previous study. The results indicated that micellar carrier system increased the permeability of PSC to eye tissues. Micelles showed higher affinity to ocular tissues than that of commercial oral suspension of PSC (Noxafil®). In vitro anti-fungal activity data also confirmed the efficacy of PSC loaded micellar formulations against Candida. albicans strains. The relative safety of the optimized micelles on the ocular tissue was shown with the HET-CAM toxicity test. In conclusion, micellar systems could be a promising strategy for the effective and safe delivery of PSC in the treatment of ocular fungal infections.
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Affiliation(s)
- Meltem Ezgi Durgun
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Istanbul University, Istanbul, Turkey.
| | - Emine Kahraman
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Istanbul University, Istanbul, Turkey
| | - Mayram Hacıoğlu
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Istanbul University, Istanbul, Turkey
| | - Sevgi Güngör
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Istanbul University, Istanbul, Turkey
| | - Yıldız Özsoy
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Istanbul University, Istanbul, Turkey
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19
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Kong J, Qiang W, Jiang J, Hu X, Chen Y, Guo Y, Liu H, Sun S, Gao H, Zhang Y, Gao Y, Liu X, Liu X, Li H. Safflower oil body nanoparticles deliver hFGF10 to hair follicles and reduce microinflammation to accelerate hair regeneration in androgenetic alopecia. Int J Pharm 2022; 616:121537. [PMID: 35150848 DOI: 10.1016/j.ijpharm.2022.121537] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 01/19/2022] [Accepted: 01/29/2022] [Indexed: 12/19/2022]
Abstract
Androgenetic alopecia (AGA) affects physical and mental health with limited therapeutic options. Novel materials and delivery methods have considerable potential to improve the current paradigm of treatment. In this study, we used a novel plant nanoparticle of safflower oil body (SOB) loaded with human fibroblast growth factor 10 (hFGF10) to target hair follicles and accelerate hair regeneration in AGA mice with few adverse effects. Our data revealed that the average particle size of SOB-hFGF10 was 226.73 ± 9.98 nm, with a spherical and uniform structure, and that SOB-hFGF10 was quicker to preferentially penetrate into hair follicles than hFGF2 alone. Using a mouse model of AGA, SOB-hFGF10 was found to significantly improve hair regeneration without any significant toxicity. Furthermore, SOB-hFGF10 inhibited dihydrotestosterone (DHT)-induced TNF-α, IL-1β, and IL-6 overproduction in macrophages in relation to hair follicle microinflammation, thereby enhancing the proliferation of dermal papilla cells. Overall, this study provides an applicable therapeutic method through targeting hair follicles and reducing microinflammation to accelerate hair regeneration in AGA.
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Affiliation(s)
- Jie Kong
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
| | - Weidong Qiang
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
| | - Jingyi Jiang
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
| | - Xingli Hu
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
| | - Yining Chen
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
| | - YongXin Guo
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
| | - Hongxiang Liu
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
| | - Siming Sun
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
| | - Hongtao Gao
- College of Tropical Crops, Hainan University, Haikou, China
| | - Yuan Zhang
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
| | - Yanyan Gao
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
| | - Xiuming Liu
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
| | - Xin Liu
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China.
| | - Haiyan Li
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China; College of Tropical Crops, Hainan University, Haikou, China.
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20
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Oliveira PM, Alencar-Silva T, Pires FQ, Cunha-Filho M, Gratieri T, Carvalho JL, Gelfuso GM. Nanostructured lipid carriers loaded with an association of minoxidil and latanoprost for targeted topical therapy of alopecia. Eur J Pharm Biopharm 2022; 172:78-88. [PMID: 35143972 DOI: 10.1016/j.ejpb.2022.02.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 01/12/2022] [Accepted: 02/04/2022] [Indexed: 01/13/2023]
Abstract
Alopecia is a condition associated with different etiologies, ranging from hormonal changes to chemotherapy, that affects over 80 million people in the USA. Nevertheless, there are currently few FDA-approved drugs for topical treatment, and existing formulations still present skin irritation issues, compromising treatment adherence. This work aimed to develop a safe formulation based on nanostructured lipid carriers (NLC) that entrap an association of minoxidil and latanoprost and target drug delivery to the hair follicles. To do so, thermal techniques combined with FTIR were used to assess the chemical compatibility of the proposed drug association. Then, NLC with 393.5 ± 36.0 nm (PdI<0.4) and +22.5 ± 0.2 mV zeta potential were produced and shown to entrap 86.9% of minoxidil and 99.9% of latanoprost efficiently. In vitro, the free drug combination was indicated to exert positive effects over human primary epidermal keratinocytes, supporting cell proliferation, migration and inducing the mRNA expression of MKI67 proliferation marker and VEGF - a possible effector for minoxidil-mediated hair growth. Interestingly, such a favorable drug combination profile was optimized when delivered using our NLC. Furthermore, according to the HET-CAM and reconstructed human epidermis assays, the nanoformulation was well tolerated. Finally, drug penetration was evaluated in vitro using porcine skin. Such experiments indicated that the NLC could be deposited preferentially into the hair follicles, causing a considerable increase in the penetration of the two drugs in such structures, compared to the control (composed of the free compounds) and generating a target-effect of approximately 50% for both drugs. In summary, present results suggest that hair follicle-targeted delivery of the minoxidil and latanoprost combination is a promising alternative to treat alopecia.
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Affiliation(s)
- Paula M Oliveira
- Laboratory of Food, Drugs, and Cosmetics (LTMAC), University of Brasilia, 70910-900 Brasilia, DF, Brazil
| | - Thuany Alencar-Silva
- Genomic Sciences and Biotechnology Program, Catholic University of Brasilia, 70790-160 Brasília, DF, Brazil
| | - Felipe Q Pires
- Laboratory of Food, Drugs, and Cosmetics (LTMAC), University of Brasilia, 70910-900 Brasilia, DF, Brazil
| | - Marcilio Cunha-Filho
- Laboratory of Food, Drugs, and Cosmetics (LTMAC), University of Brasilia, 70910-900 Brasilia, DF, Brazil
| | - Tais Gratieri
- Laboratory of Food, Drugs, and Cosmetics (LTMAC), University of Brasilia, 70910-900 Brasilia, DF, Brazil
| | - Juliana Lott Carvalho
- Genomic Sciences and Biotechnology Program, Catholic University of Brasilia, 70790-160 Brasília, DF, Brazil; Faculty of Medicine, University of Brasilia, 70910-900 Brasilia, DF, Brazil
| | - Guilherme M Gelfuso
- Laboratory of Food, Drugs, and Cosmetics (LTMAC), University of Brasilia, 70910-900 Brasilia, DF, Brazil.
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21
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Khan NH, Mir M, Qian L, Baloch M, Ali Khan MF, Rehman AU, Ngowi EE, Wu DD, Ji XY. Skin cancer biology and barriers to treatment: Recent applications of polymeric micro/nanostructures. J Adv Res 2022; 36:223-247. [PMID: 35127174 PMCID: PMC8799916 DOI: 10.1016/j.jare.2021.06.014] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 06/11/2021] [Accepted: 06/13/2021] [Indexed: 12/15/2022] Open
Abstract
Background Skin cancer has been the leading type of cancer worldwide. Melanoma and non-melanoma skin cancers are now the most common types of skin cancer that have been reached to epidemic proportion. Based on the rapid prevalence of skin cancers, and lack of efficient drug delivery systems, it is essential to surge the possible ways to prevent or cure the disease. Aim of review Although surgical modalities and therapies have been made great progress in recent years, however, there is still an urgent need to alleviate its increased burden. Hence, understanding the precise pathophysiological signaling mechanisms and all other factors of such skin insults will be beneficial for the development of more efficient therapies. Key scientific concepts of review In this review, we explained new understandings about onset and development of skin cancer and described its management via polymeric micro/nano carriers-based therapies, highlighting the current key bottlenecks and future prospective in this field. In therapeutic drug/gene delivery approaches, polymeric carriers-based system is the most promising strategy. This review discusses that how polymers have successfully been exploited for development of micro/nanosized systems for efficient delivery of anticancer genes and drugs overcoming all the barriers and limitations associated with available conventional therapies. In addition to drug/gene delivery, intelligent polymeric nanocarriers platforms have also been established for combination anticancer therapies including photodynamic and photothermal, and for theranostic applications. This portfolio of latest approaches could promote the blooming growth of research and their clinical availability.
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Key Words
- 5-ALA, 5-aminolevulinic acid
- 5-FU, 5-fluorouracil
- AIDS, Acquired immune deficiency syndrome
- BCC, Basal cell carcinoma
- BCCs, Basal cell carcinomas
- Basal cell carcinoma
- CREB, response element-binding protein
- DDS, Drug delivery system
- DIM-D, Di indolyl methane derivative
- Drug delivery
- GNR-PEG-MN, PEGylated gold nanorod microneedle
- Gd, Gadolinium
- Gene delivery
- HH, Hedgehog
- HPMC, Hydroxypropyl methylcellulose
- IPM, Isopropyl myristate
- MCIR, Melanocortin-1 receptor
- MNPs, Magnetic nanoparticle
- MNs, Microneedles
- MRI, Magnetic Resonance Imaging
- MSC, Melanoma skin cancer
- Microneedles
- Mn, Manganese
- NMSC, Non melanoma skin cancer
- NPs, Nano Particles
- OTR, Organ transplant recipients
- PAMAM, Poly-amidoamines
- PAN, Polyacrylonitrile
- PATCH1, Patch
- PCL, Poly (ε-caprolactone)
- PDT, Photodynamic therapy
- PEG, Polyethylene glycol
- PLA, Poly lactic acid
- PLA-HPG, Poly (d-l-lactic acid)-hyperbranched polyglycerol
- PLGA, Poly (lactide-co-glycolide) copolymers
- PLL, Poly (L-lysine)
- Polymeric nanocarriers
- QDs, Quantum dots
- SC, Skin cancer
- SCC, Squamous cell Carcinoma
- SMO, Smoothen
- SPIO, Superparamagnetic iron oxide
- Squamous cell carcinoma
- UV, Ultra Violet
- cAMP, Cyclic adenosine monophosphate
- dPG, Dendritic polyglycerol
- hTERT, Human telomerase reverse transcriptase
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Affiliation(s)
- Nazeer Hussain Khan
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
- School of Life Sciences. Henan University, Kaifeng, Henan 475004, China
| | - Maria Mir
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Lei Qian
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Mahnoor Baloch
- School of Natural Sciences, National University of Science and Technology, Islamabad 44000, Pakistan
| | - Muhammad Farhan Ali Khan
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Asim-ur- Rehman
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Ebenezeri Erasto Ngowi
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
- Department of Biological Sciences, Faculty of Sciences, Dar es Salaam University College of Education, Dar es Salaam 2329, Tanzania
| | - Dong-Dong Wu
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
- School of Stomatology, Henan University, Kaifeng, Henan 475004, China
| | - Xin-Ying Ji
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
- Kaifeng Key Laboratory of Infection and Biological Safety, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
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Simultaneous Delivery of Econazole, Terbinafine and Amorolfine with Improved Cutaneous Bioavailability: A Novel Micelle-Based Antifungal “Tri-Therapy”. Pharmaceutics 2022; 14:pharmaceutics14020271. [PMID: 35214004 PMCID: PMC8880516 DOI: 10.3390/pharmaceutics14020271] [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: 12/29/2021] [Revised: 01/19/2022] [Accepted: 01/21/2022] [Indexed: 11/16/2022] Open
Abstract
Lack of accurate diagnosis and the use of formulations designed to address the poor aqueous solubility of antifungal agents, but not optimized for delivery, contribute to unsatisfactory outcomes for topical treatment of cutaneous mycoses. The objective of this study was to develop a micelle-based antifungal formulation containing econazole (ECZ), terbinafine (TBF) and amorolfine (AMF) using D-α-tocopheryl polyethylene glycol succinate (TPGS) for simultaneous cutaneous delivery of three agents with complementary mechanisms of action. The antifungal “tri-therapy” micelle-based formulation containing 0.1% ECZ, 0.1% TBF and 0.025% AMF had a drug loading 10-fold lower than the “reference” marketed formulations (Pevaryl®, 1% ECZ; Lamisil®, 1% TBF; Loceryl®, 0.25% AMF). Finite dose application of the micelle-based formulation for 6 h resulted in a statistically equivalent deposition of ECZ (p > 0.05) and TBF (p > 0.05) from the 2 systems, and a 2-fold higher accumulation of AMF (p = 0.017). Antifungal concentrations above MIC80 against Trichophyton rubrum were achieved in each skin layer with the “tri-therapy”, which also exhibited a preferential deposition of each antifungal agent in pilosebaceous unit (PSU)-containing biopsies as compared with PSU-free biopsies (p < 0.05). A planned clinical study will test whether these promising results translate to improved therapeutic outcomes in vivo.
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Parra A, Jarak I, Santos A, Veiga F, Figueiras A. Polymeric Micelles: A Promising Pathway for Dermal Drug Delivery. MATERIALS 2021; 14:ma14237278. [PMID: 34885432 PMCID: PMC8658125 DOI: 10.3390/ma14237278] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/21/2021] [Accepted: 11/23/2021] [Indexed: 01/13/2023]
Abstract
Nanotechnology is an area in great development and with application in the most varied fields of science, including cosmetic and pharmaceutical industries. Because conventional formulations for topical application are not always able to effectively penetrate the physical barrier that human skin exerts against factors and compounds of the external environment, polymeric micelles appear as alternative carriers for drugs and active ingredients delivery, also allowing ingredients with lower solubility and higher lipophilicity to be delivered. In fact, the augmented bioavailability of drugs, greater efficacy even at a lower dose, and selective drug delivery in specific organelles are very interesting advantages of the polymeric micelles usage in cutaneous application. As a consequence, they show a reduction in many of the local and systemic adverse effects, which might lead to an increase in patient compliance to the therapeutics, constituting a promising alternative to conventional topical formulations.
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Affiliation(s)
- Ana Parra
- Univ. of Coimbra, Department of Pharmaceutical Technology, Faculty of Pharmacy, Azinhaga de Santa Comba, Pólo III-Pólo das Ciências da Saúde, 3000-548 Coimbra, Portugal; (A.P.); (I.J.); (A.S.); (F.V.)
| | - Ivana Jarak
- Univ. of Coimbra, Department of Pharmaceutical Technology, Faculty of Pharmacy, Azinhaga de Santa Comba, Pólo III-Pólo das Ciências da Saúde, 3000-548 Coimbra, Portugal; (A.P.); (I.J.); (A.S.); (F.V.)
| | - Ana Santos
- Univ. of Coimbra, Department of Pharmaceutical Technology, Faculty of Pharmacy, Azinhaga de Santa Comba, Pólo III-Pólo das Ciências da Saúde, 3000-548 Coimbra, Portugal; (A.P.); (I.J.); (A.S.); (F.V.)
| | - Francisco Veiga
- Univ. of Coimbra, Department of Pharmaceutical Technology, Faculty of Pharmacy, Azinhaga de Santa Comba, Pólo III-Pólo das Ciências da Saúde, 3000-548 Coimbra, Portugal; (A.P.); (I.J.); (A.S.); (F.V.)
- Univ. of Coimbra, REQUIMTE/LAQV, Group of Pharmaceutical Technology, Faculty of Pharmacy, Azinhaga de Santa Comba, Pólo III-Pólo das Ciências da Saúde, 3000-548 Coimbra, Portugal
| | - Ana Figueiras
- Univ. of Coimbra, Department of Pharmaceutical Technology, Faculty of Pharmacy, Azinhaga de Santa Comba, Pólo III-Pólo das Ciências da Saúde, 3000-548 Coimbra, Portugal; (A.P.); (I.J.); (A.S.); (F.V.)
- Univ. of Coimbra, REQUIMTE/LAQV, Group of Pharmaceutical Technology, Faculty of Pharmacy, Azinhaga de Santa Comba, Pólo III-Pólo das Ciências da Saúde, 3000-548 Coimbra, Portugal
- Correspondence: ; Tel.: +351-239-488-431
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24
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Luis Máximo Daneluti A, Offenbecker Guerra L, Valéria Robles Velasco M, do Rosário Matos J, Rolim Baby A, Kalia YN. Preclinical and clinical studies to evaluate cutaneous biodistribution, safety and efficacy of UV filters encapsulated in mesoporous silica SBA-15. Eur J Pharm Biopharm 2021; 169:113-124. [PMID: 34637918 DOI: 10.1016/j.ejpb.2021.10.002] [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: 05/28/2021] [Revised: 09/23/2021] [Accepted: 10/05/2021] [Indexed: 11/25/2022]
Abstract
Innovative technologies have been designed to improve efficacy and safety of chemical UV filters. Encapsulation can enhance efficacy and reduce transdermal permeation and systemic exposure. The aims of this work were (i) to determine the cutaneous biodistribution of avobenzone (AVO), oxybenzone (OXY), and octyl methoxycinnamate (OMC) incorporated in mesoporous silica SBA-15 and (ii) to perform preclinical (in vitro) and (iii) clinical safety studies to demonstrate their innocuity and to evaluate sun protection factor (SPF) in humans. Skin penetration studies showed that deposition of OXY and AVO in porcine and human skin after application of stick formulation with incorporated filters (stick incorporated filters) was significantly lower than from a marketed (non-encapsulated) stick. Cutaneous deposition and transdermal permeation of OXY in and across human skin were 3.8-and 13.4- fold lower, respectively, after application of stick entrapped filters. Biodistribution results showed that encapsulation in SBA-15 decreased AVO and OXY penetration reaching porcine and human dermis. Greater deposition (and permeation) of OXY in porcine skin than in human skin, pointed to the role of follicular transport. Stick incorporated filters had good biocompatibility in vivo and safety profiles, even under sun-exposed conditions. Entrapment of UV filters improved the SPF by 26% and produced the same SPF profile as a marketed stick. Overall, the results showed that SBA-15 enabled safety and efficacy of UV filters to be increased.
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Affiliation(s)
| | | | | | | | - André Rolim Baby
- Department of Pharmacy, Faculty of Pharmaceutical Sciences, University of São Paulo
| | - Yogeshvar N Kalia
- School of Pharmaceutical Sciences, University of Geneva; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva.
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25
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DESI-MS imaging to visualize spatial distribution of xenobiotics and endogenous lipids in the skin. Int J Pharm 2021; 607:120967. [PMID: 34352336 DOI: 10.1016/j.ijpharm.2021.120967] [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: 05/27/2021] [Revised: 07/20/2021] [Accepted: 07/30/2021] [Indexed: 01/18/2023]
Abstract
The cutaneous biodistribution method (CBM) yields a high-resolution quantitative profile of drug deposition as a function of skin depth. However, it provides limited details about drug spatial distribution or penetration pathways. Mass spectrometry imaging (MSI) can complement the detailed quantitative data generated by CBM studies. The objectives of this work were to use desorption electrospray ionization (DESI)-MSI to (i) investigate the spatial cutaneous distributions of a topically applied drug and excipient and relate them to skin structures and (ii) image endogenous skin components and combine these results to gain insight into drug penetration routes. Porcine skin was used to compare two bioequivalent creams of econazole nitrate (ECZ) and a micelle formulation based on D-α-tocopheryl succinate polyethylene glycol 1000 (TPGS). DESI-MSI successfully imaged the cutaneous spatial distribution of ECZ and TPGS in 40 µm-thick horizontal sections and vertical cross-sections of the skin. Interestingly, clinically bioequivalent formulations did not appear to exhibit the same molecular distribution of ECZ in XY-horizontal sections. DESI-MSI also enabled visualization of TPGS (m/z 772.4706), mainly in the upper epidermis (≤80 µm). In conclusion, through co-localization of drugs and excipients with endogenous elements of the skin, DESI-MSI could further our understanding of the cutaneous penetration pathways of xenobiotics.
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26
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Polymeric micelle mediated follicular delivery of spironolactone: Targeting the mineralocorticoid receptor to prevent glucocorticoid-induced activation and delayed cutaneous wound healing. Int J Pharm 2021; 604:120773. [PMID: 34090990 DOI: 10.1016/j.ijpharm.2021.120773] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/31/2021] [Accepted: 06/02/2021] [Indexed: 01/19/2023]
Abstract
Impaired wound healing in patients receiving glucocorticoid therapy is a serious clinical concern: mineralocorticoid receptor (MR) antagonists can counter glucocorticoid-induced off-target activation of MR receptors. The aim of this study was to investigate the cutaneous delivery of the potent MR antagonist, spironolactone (SPL), from polymeric micelle nanocarriers, prepared using a biodegradable copolymer, methoxy-poly(ethylene glycol)-di-hexyl-substituted-poly(lactic acid). Immunofluorescent labelling of the MR showed that it was principally located in the pilosebaceous unit (PSU), justifying the study rationale since polymeric micelles accumulate preferentially in appendageal structures. Cutaneous biodistribution studies under infinite and finite dose conditions, demonstrated delivery of pharmacologically relevant amounts of SPL to the epidermis and upper dermis. Preferential PSU targeting was confirmed by comparing amounts of SPL in PSU-containing and PSU-free skin biopsies: SPL nanomicelles showed 5-fold higher delivery of SPL in the PSU-containing biopsies, 0.54 ± 0.18 ng/mm2vs. 0.10 ± 0.03 ng/mm2, after application of a hydrogel in finite conditions. Canrenone, an active metabolite of SPL, was also quantified in skin samples. In addition to being used for the treatment of delayed cutaneous wound healing by site-specific antagonism of the MR, the formulation might also be used to treat pilosebaceous androgen-related skin diseases, e.g. acne vulgaris, since SPL is a potent androgen receptor antagonist.
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27
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Quartier J, Lapteva M, Boulaguiem Y, Guerrier S, Kalia YN. Polymeric micelle formulations for the cutaneous delivery of sirolimus: A new approach for the treatment of facial angiofibromas in tuberous sclerosis complex. Int J Pharm 2021; 604:120736. [PMID: 34048926 DOI: 10.1016/j.ijpharm.2021.120736] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/20/2021] [Accepted: 05/22/2021] [Indexed: 12/13/2022]
Abstract
Facial angiofibromas are benign tumors characteristic of tuberous sclerosis complex. The disease involves the mTOR pathway and the cutaneous manifestation responds to topical treatment with sirolimus (SIR). However, there are no approved topical SIR products and extemporaneous formulations have been sub-optimal. The aims of this study were (i) to develop aqueous formulations of SIR loaded in polymeric micelles prepared using D-α-tocopherol polyethylene glycol 1000 succinate (TPGS) and (ii) to use the cutaneous biodistribution method, in conjunction with a new statistical approach, to investigate the feasibility of SIR delivery to the viable epidermis. Optimized micelle solutions and hydrogels (0.2%) were developed and stable at 4 °C for at least 6 and 3 months, respectively. Cutaneous delivery experiments (infinite and finite dose) using porcine skin demonstrated that both formulations increased SIR cutaneous bioavailability as compared to the control (ointment 0.2%). Moreover, studies with the micellar hydrogel 0.2% demonstrated SIR deposition in the viable epidermis with no transdermal permeation. These encouraging results confirmed that polymeric micelles enabled development of aqueous SIR formulations capable of targeted epidermal delivery. Furthermore, the cutaneous biodistribution provided a detailed insight into drug bioavailability in the different skin compartments that could complement/explain clinical observations of formulation efficacy.
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Affiliation(s)
- Julie Quartier
- School of Pharmaceutical Sciences, University of Geneva, CMU-1 rue Michel Servet, 1211 Genève 4, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU-1 rue Michel Servet, 1211 Genève 4, Switzerland
| | - Maria Lapteva
- School of Pharmaceutical Sciences, University of Geneva, CMU-1 rue Michel Servet, 1211 Genève 4, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU-1 rue Michel Servet, 1211 Genève 4, Switzerland
| | - Younes Boulaguiem
- Geneva School of Economics and Management, University of Geneva, 40 Boulevard du Pont d'Arve, 1204 Genève, Switzerland
| | - Stéphane Guerrier
- School of Pharmaceutical Sciences, University of Geneva, CMU-1 rue Michel Servet, 1211 Genève 4, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU-1 rue Michel Servet, 1211 Genève 4, Switzerland; Geneva School of Economics and Management, University of Geneva, 40 Boulevard du Pont d'Arve, 1204 Genève, Switzerland
| | - Yogeshvar N Kalia
- School of Pharmaceutical Sciences, University of Geneva, CMU-1 rue Michel Servet, 1211 Genève 4, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU-1 rue Michel Servet, 1211 Genève 4, Switzerland.
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28
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Dermal delivery and follicular targeting of adapalene using PAMAM dendrimers. Drug Deliv Transl Res 2021; 11:626-646. [PMID: 33666878 DOI: 10.1007/s13346-021-00933-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/27/2021] [Indexed: 10/22/2022]
Abstract
Acne is a chronic dermatological disease of pilosebaceous units existing in the form of hair follicles (HFs) and accompanying sebaceous glands. In topical acne treatment, localisation of drug substance at the target site, in pilosebaceous units, especially in HFs is essential. The aims of this study were to develop and optimise adapalene (ADA)-loaded PAMAM dendrimer-based nanocarriers for topical acne treatment and to prepare gel formulations of the selected nanocarriers and to characterise their rheological properties and spreadability. ADA accumulation in HFs and in the skin from PAMAM dendrimers' aqueous colloidal formulations and their gel formulations were quantitatively determined using punch biopsy technique. Follicular targeting efficiency from PAMAM dendrimers and their gel formulation was compared with the commercial gel product, Differin® Gel. The localisation of fluorescently labelled PAMAM dendrimers was visualised using a confocal microscope, which confirmed a successful delivery of the carrier system to the HFs. It was also quantified that PAMAM dendrimers improved follicular localisation and skin deposition of ADA. PAMAM dendrimers' gel formulation including lower ADA doses compared with the commercial product exhibited efficient performance in terms of drug accumulation in HFs. In vitro cell viability studies showed the relative safety of G2-PAMAM dendrimers which could be considered to possibly be well tolerated by the skin. Overall, PAMAM dendrimers' potential to selectively target drugs to the site of action, reduce dose administrated, therefore minimise side effects and provide efficiency in topical treatment of dermatological diseases such as acne was shown.
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29
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Singhal M, Serna C, Kalaria D, Kalia YN. Effect of continuous and multi-phasic current profiles on the iontophoretic transport of pramipexole, rasagiline and huperzine A: Depicting temporal variation and biodistribution in the skin. Int J Pharm 2021; 599:120445. [PMID: 33675928 DOI: 10.1016/j.ijpharm.2021.120445] [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: 01/28/2021] [Revised: 02/23/2021] [Accepted: 02/26/2021] [Indexed: 01/07/2023]
Abstract
Transdermal iontophoresis is an interesting option for the non-invasive controlled delivery of therapeutic agents to treat neurodegenerative diseases. The current profile controls drug delivery kinetics and enables complex drug input profiles to be obtained. The aim of this study was to investigate the temporal variation in transport of pramipexole (PRA), rasagiline (RAS) and huperzine A (HUP) using continuous and multi-phasic current profiles by measuring cumulative permeation, transdermal flux and drug retention in the skin upon modulation of the applied current profile during a single experiment in vitro. Initial experiments with continuous current were conducted to establish a correlation between total delivery of PRA, RAS and HUP (i.e. sum of the cumulative permeation and skin deposition) and the amount of charge transferred. Subsequent experiments with multi-phasic current profiles, confirmed that the relationship between amounts of charge transferred and total delivery was able to predict the total delivery of each drug. Experimental values were within ± 15% of the predicted values. Current density and duration of current application were also shown to have a significant impact on the skin biodistribution of PRA. These results also provide insight into the rate of formation of iontophoretic drug reservoirs in the skin.
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Affiliation(s)
- Mayank Singhal
- School of Pharmaceutical Sciences, University of Geneva, CMU, 1 rue Michel Servet, 1211 Geneva, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - 1 Rue Michel Servet, 1211 Geneva, Switzerland
| | - César Serna
- School of Pharmaceutical Sciences, University of Geneva, CMU, 1 rue Michel Servet, 1211 Geneva, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - 1 Rue Michel Servet, 1211 Geneva, Switzerland
| | - Dhaval Kalaria
- School of Pharmaceutical Sciences, University of Geneva, CMU, 1 rue Michel Servet, 1211 Geneva, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - 1 Rue Michel Servet, 1211 Geneva, Switzerland
| | - Yogeshvar N Kalia
- School of Pharmaceutical Sciences, University of Geneva, CMU, 1 rue Michel Servet, 1211 Geneva, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - 1 Rue Michel Servet, 1211 Geneva, Switzerland.
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30
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Nanocarriers Mediated Cutaneous Drug Delivery. Eur J Pharm Sci 2021; 158:105638. [DOI: 10.1016/j.ejps.2020.105638] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 11/04/2020] [Indexed: 02/06/2023]
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31
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Tolentino S, Pereira MN, Cunha-Filho M, Gratieri T, Gelfuso GM. Targeted clindamycin delivery to pilosebaceous units by chitosan or hyaluronic acid nanoparticles for improved topical treatment of acne vulgaris. Carbohydr Polym 2021; 253:117295. [DOI: 10.1016/j.carbpol.2020.117295] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 10/12/2020] [Accepted: 10/19/2020] [Indexed: 12/27/2022]
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32
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Christmann R, Ho DK, Wilzopolski J, Lee S, Koch M, Loretz B, Vogt T, Bäumer W, Schaefer UF, Lehr CM. Tofacitinib Loaded Squalenyl Nanoparticles for Targeted Follicular Delivery in Inflammatory Skin Diseases. Pharmaceutics 2020; 12:E1131. [PMID: 33255225 PMCID: PMC7760822 DOI: 10.3390/pharmaceutics12121131] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/15/2020] [Accepted: 11/20/2020] [Indexed: 01/05/2023] Open
Abstract
Tofacitinib (TFB), a Janus kinase inhibitor, has shown excellent success off-label in treating various dermatological diseases, especially alopecia areata (AA). However, TFB's safe and targeted delivery into hair follicles (HFs) is highly desirable due to its systemic adverse effects. Nanoparticles (NPs) can enhance targeted follicular drug delivery and minimize interfollicular permeation and thereby reduce systemic drug exposure. In this study, we report a facile method to assemble the stable and uniform 240 nm TFB loaded squalenyl derivative (SqD) nanoparticles (TFB SqD NPs) in aqueous solution, which allowed an excellent loading capacity (LC) of 20%. The SqD NPs showed an enhanced TFB delivery into HFs compared to the aqueous formulations of plain drug in an ex vivo pig ear model. Furthermore, the therapeutic efficacy of the TFB SqD NPs was studied in a mouse model of allergic dermatitis by ear swelling reduction and compared to TFB dissolved in a non-aqueous mixture of acetone and DMSO (7:1 v/v). Whereas such formulation would not be acceptable for use in the clinic, the TFB SqD NPs dispersed in water illustrated a better reduction in inflammatory effects than plain TFB's aqueous formulation, implying both encouraging good in vivo efficacy and safety. These findings support the potential of TFB SqD NPs for developing a long-term topical therapy of AA.
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Affiliation(s)
- Rebekka Christmann
- Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS)—Helmholtz Centre for Infection Research (HZI), 66123 Saarbrücken, Germany; (R.C.); (D.-K.H.); (S.L.); (B.L.)
- Department of Pharmacy, Saarland University, 66123 Saarbrücken, Germany;
| | - Duy-Khiet Ho
- Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS)—Helmholtz Centre for Infection Research (HZI), 66123 Saarbrücken, Germany; (R.C.); (D.-K.H.); (S.L.); (B.L.)
- Department of Pharmacy, Saarland University, 66123 Saarbrücken, Germany;
| | - Jenny Wilzopolski
- Institute of Pharmacology and Toxicology, Department of Veterinary Medicine, Freie Universität Berlin, 14195 Berlin, Germany; (J.W.); (W.B.)
| | - Sangeun Lee
- Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS)—Helmholtz Centre for Infection Research (HZI), 66123 Saarbrücken, Germany; (R.C.); (D.-K.H.); (S.L.); (B.L.)
| | - Marcus Koch
- INM-Leibniz Institute for New Materials, 66123 Saarbrücken, Germany;
| | - Brigitta Loretz
- Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS)—Helmholtz Centre for Infection Research (HZI), 66123 Saarbrücken, Germany; (R.C.); (D.-K.H.); (S.L.); (B.L.)
| | - Thomas Vogt
- Department of Dermatology, Saarland University Hospital, 66421 Homburg/Saar, Germany;
| | - Wolfgang Bäumer
- Institute of Pharmacology and Toxicology, Department of Veterinary Medicine, Freie Universität Berlin, 14195 Berlin, Germany; (J.W.); (W.B.)
| | - Ulrich F. Schaefer
- Department of Pharmacy, Saarland University, 66123 Saarbrücken, Germany;
| | - Claus-Michael Lehr
- Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS)—Helmholtz Centre for Infection Research (HZI), 66123 Saarbrücken, Germany; (R.C.); (D.-K.H.); (S.L.); (B.L.)
- Department of Pharmacy, Saarland University, 66123 Saarbrücken, Germany;
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Del Río-Sancho S, Pan Delgado D, de la Fuente GF, García-Caballero T, Taboada-Suárez A, Csaba N, Bao-Varela C, José Alonso M. Laser-induced transient skin disruption to enhance cutaneous drug delivery. Eur J Pharm Biopharm 2020; 156:165-175. [PMID: 32891732 DOI: 10.1016/j.ejpb.2020.08.027] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 08/12/2020] [Accepted: 08/27/2020] [Indexed: 11/26/2022]
Abstract
The use of pressure waves (PW) to disrupt the stratum corneum (SC) temporarily is an effective strategy to increase the deposition of drug molecules into the skin. However, given the rather modest outcomes when compared with ablation-assisted drug delivery, its potential has been underestimated. Accordingly, the aim of this study was to examine the impact of Resonant Amplitude Waves (RAWs) on increasing cutaneous delivery. RAW phenomena are triggered by focusing a high-peak-power pulsed laser onto an appropriate transducer structure, under space- and time-controlled resolution. In order to determine the optimal conditions for the generation and use of RAWs, a screening of laser parameters setting and an analysis of different geometries of the impact pattern over diverse materials used as transducers was performed, analyzing the footprint of the RAW waves in an agarose gel. The results obtained were then checked and fine-tuned using human skin samples instead of agarose. Furthermore, ex vivo experiments were carried out to characterize the effect of the RAWs in the cutaneous delivery of diclofenac (DIC) and lidocaine (LID) administered in the form of gels. The application of RAWs resulted in an increased delivery of DIC and LID to the skin, whose intensity was dependent on the composition of the formulation. In fact, the maximum observed for DIC and LID in short-time experiments (39.1 ± 11.1 and 153 ± 16 µg/cm2, respectively) was comparable to those observed using ablation-assisted drug delivery under the same conditions. In conclusion, the combination of RAWs with specific formulation strategies is a feasible alternative for the cutaneous delivery of drug candidates when short onset of action is required.
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Affiliation(s)
- Sergio Del Río-Sancho
- Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Av. Barcelona s/n, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Diego Pan Delgado
- Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Av. Barcelona s/n, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Germán F de la Fuente
- Instituto de Nanociencia y Materiales de Aragón, CSIC - Universidad de Zaragoza, María de Luna 3, Zaragoza, Spain
| | - Tomás García-Caballero
- Department of Morphological Sciences, School of Medicine, University Clinical Hospital, IDIS, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Antonio Taboada-Suárez
- Department of Plastic Surgery, University Hospital Complex of Santiago de Compostela, A Coruña, Spain
| | - Noemi Csaba
- Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Av. Barcelona s/n, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Carmen Bao-Varela
- UA Microóptica & Óptica GRIN (USC-CSIC), Photonics4 life group, Facultade de Física e Facultade de Óptica e Optometría, Universidade Santiago Compostela, Santiago de Compostela, Spain
| | - María José Alonso
- Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Av. Barcelona s/n, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela, Spain; Department of Pharmacy and Pharmaceutical Technology, School of Pharmacy, Universidade de Santiago de Compostela, Santiago de Compostela, Spain; Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain.
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Rusu A, Tanase C, Pascu GA, Todoran N. Recent Advances Regarding the Therapeutic Potential of Adapalene. Pharmaceuticals (Basel) 2020; 13:E217. [PMID: 32872149 PMCID: PMC7558148 DOI: 10.3390/ph13090217] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 08/26/2020] [Accepted: 08/26/2020] [Indexed: 12/12/2022] Open
Abstract
Adapalene (ADP) is a representative of the third retinoids generation and successfully used in first-line acne treatment. ADP binds to retinoic acid nuclear receptors. The comedolytic, anti-inflammatory, antiproliferative, and immunomodulatory are the known ADP effects. Its safety profile is an advantage over other retinoids. ADP recently was found to be effective in the treatment of several dermatological diseases and photoaging besides the utility in the treatment of acne vulgaris. New biological effects of adapalene with therapeutic potential are highlighted in this review paper. Thus, adapalene could be a valuable therapeutic drug into the treatment of several types of cancer. Additionally, some neurodegenerative diseases could be treated with a suitable formulation for intravenous administration. The antibacterial activity against methicillin-resistant Staphylococcus aureus of an analogue of ADP has been proven. In different therapeutic schemes, ADP is more effective in combination with other active substances. New topical combinations with adapalene include ketoconazole (antifungal), mometasone furoate (anti-inflammatory corticosteroid), nadifloxacin (fluoroquinolone), and alfa and beta hydroxy acids. Combination with oral drugs is a new trend that enhances the properties of topical formulations with adapalene. Several studies have investigated the effects of ADP in co-administration with azithromycin, doxycycline, faropenem, isotretinoin, and valganciclovir. Innovative formulations of ADP also aim to achieve a better bioavailability, increased efficacy, and reduced side effects. In this review, we have highlighted the current studies on adapalene regarding biological effects useful in various treatment types. Adapalene has not been exploited yet to its full biological potential.
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Affiliation(s)
- Aura Rusu
- Pharmaceutical and Therapeutical Chemistry Department, Faculty of Pharmacy, George Emil Palade, University of Medicine, Pharmacy, Science and Technology of Târgu Mureş, 540139 Târgu Mureş, Romania;
| | - Corneliu Tanase
- Pharmaceutical Botany Department, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureş, 540139 Târgu Mureş, Romania
| | | | - Nicoleta Todoran
- Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureş, 540139 Târgu Mureş, Romania;
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Rodrigues LBO, Lima FA, Alves CPB, Martins-Santos E, Aguiar MMG, Oliveira CA, Oréfice RL, Ferreira LAM, Goulart GAC. Ion Pair Strategy in Solid Lipid Nanoparticles: a Targeted Approach to Improve Epidermal Targeting with Controlled Adapalene Release, Resulting Reduced Skin Irritation. Pharm Res 2020; 37:148. [DOI: 10.1007/s11095-020-02866-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 06/24/2020] [Indexed: 11/27/2022]
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Fernandes M, Lopes I, Teixeira J, Botelho C, Gomes AC. Exosome-like Nanoparticles: A New Type of Nanocarrier. Curr Med Chem 2020; 27:3888-3905. [PMID: 30706777 DOI: 10.2174/0929867326666190129142604] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2018] [Revised: 11/23/2018] [Accepted: 01/17/2019] [Indexed: 12/12/2022]
Abstract
Nanoparticles are one of the most commonly used systems for imaging or therapeutic drug delivery. Exosomes are nanovesicular carriers that transport cargo for intercellular communication. These nanovesicles are linked to the pathology of some major diseases, in some cases with a central role in their progression. The use of these carriers to transport therapeutic drugs is a recent and promising approach to treat diseases such as cancer and Alzheimer disease. The physiological production of these structures is limited impairing its collection and subsequent purification. These drawbacks inspired the search for mimetic alternatives. The collection of exosome-like nanoparticles from plants can be a good alternative, since they are easier to extract and do not have the drawbacks of those produced in animal cells. Both natural and synthetic exosome-like nanoparticles, produced from serial extrusion of cells or by bottom up synthesis, are currently some of the most promising, biocompatible, high efficiency systems for drug delivery.
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Affiliation(s)
- Mário Fernandes
- Centre of Biological Engineering (CEB), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal.,Centre of Molecular and Environmental Biology (CBMA), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - Ivo Lopes
- Centre of Biological Engineering (CEB), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal.,Centre of Molecular and Environmental Biology (CBMA), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - José Teixeira
- Centre of Biological Engineering (CEB), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - Cláudia Botelho
- Centre of Biological Engineering (CEB), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal.,Centre of Molecular and Environmental Biology (CBMA), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - Andreia C Gomes
- Centre of Molecular and Environmental Biology (CBMA), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
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Abstract
Introduction: The improvement of percutaneous absorption represents a clear dermatopharmaceutical aim. Recently, the hair follicle was recognized to be an important penetration pathway. Especially nanoparticles show an enhanced intrafollicular penetration and can be utilized to target specific cell populations within the hair follicle.Areas covered: The present review briefly summarizes the recent advances in follicular drug delivery of nanoparticles. Moreover, the particularities of the hair follicle as a penetration pathway are summarized which include its structure and specific barrier properties. Recently, the mechanism of the follicular penetration process has been clarified.In the meantime, different strategies have been developed to successfully improve follicular drug delivery of nanoparticles. One approach is to equip the nanocarriers with a triggered release system enabling them to release their drug load at the right time and place.Expert opinion: Follicular drug delivery with smart nanocarrier-based drug delivery systems represents a promising approach to increase the percutaneous absorption of topically applied substances. Although technical achievements and efficacy proofs concerning an increased penetration of substances are already available, the practical implementation into clinical application still represents an additional challenge and should be in the focus of interest in future research.
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Affiliation(s)
- Alexa Patzelt
- Department of Dermatology, Venereology and Allergology, Center of Experimental and Applied Cutaneous Physiology (CCP), Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Juergen Lademann
- Department of Dermatology, Venereology and Allergology, Center of Experimental and Applied Cutaneous Physiology (CCP), Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
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Setaro F, Wennink JWH, Mäkinen PI, Holappa L, Trohopoulos PN, Ylä-Herttuala S, van Nostrum CF, de la Escosura A, Torres T. Amphiphilic phthalocyanines in polymeric micelles: a supramolecular approach toward efficient third-generation photosensitizers. J Mater Chem B 2019; 8:282-289. [PMID: 31803886 DOI: 10.1039/c9tb02014d] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In this paper we describe a straightforward supramolecular strategy to encapsulate silicon phthalocyanine (SiPc) photosensitizers (PS) in polymeric micelles made of poly(ε-caprolactone)-b-methoxypoly(ethylene glycol) (PCL-PEG) block copolymers. While PCL-PEG micelles are promising nanocarriers based on their biocompatibility and biodegradability, the design of our new PS favors their encapsulation. In particular, they combine two axial benzoyl substituents, each of them carrying either three hydrophilic methoxy(triethylenoxy) chains (1), three hydrophobic dodecyloxy chains (3), or both kinds of chains (2). The SiPc derivatives 1 and 2 are therefore amphiphilic, with the SiPc unit contributing to the hydrophobic core, while lipophilicity increases along the series, making it possible to correlate the loading efficacy in PCL-PEG micelles with the hydrophobic/hydrophilic balance of the PS structure. This has led to a new kind of third-generation nano-PS that efficiently photogenerates 1O2, while preliminary in vitro experiments demonstrate an excellent cellular uptake and a promising PDT activity.
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Affiliation(s)
- Francesca Setaro
- Organic Chemistry Department, Universidad Autónoma de Madrid, 28049 Cantoblanco, Madrid, Spain.
| | - Jos W H Wennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands.
| | - Petri I Mäkinen
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Neulaniementie 2, Kuopio FIN-70211, Finland
| | - Lari Holappa
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Neulaniementie 2, Kuopio FIN-70211, Finland
| | | | - Seppo Ylä-Herttuala
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Neulaniementie 2, Kuopio FIN-70211, Finland
| | - Cornelus F van Nostrum
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands.
| | - Andres de la Escosura
- Organic Chemistry Department, Universidad Autónoma de Madrid, 28049 Cantoblanco, Madrid, Spain. and Institute for Advanced Research in Chemical Sciences (IAdChem), 28049 Cantoblanco, Madrid, Spain
| | - Tomas Torres
- Organic Chemistry Department, Universidad Autónoma de Madrid, 28049 Cantoblanco, Madrid, Spain. and Institute for Advanced Research in Chemical Sciences (IAdChem), 28049 Cantoblanco, Madrid, Spain and IMDEA Nanosience, Ciudad Universitaria de Cantoblanco, 28049 Madrid, Spain
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Pinto F, de Barros DP, Reis C, Fonseca LP. Optimization of nanostructured lipid carriers loaded with retinoids by central composite design. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.111468] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Latter G, Grice JE, Mohammed Y, Roberts MS, Benson HAE. Targeted Topical Delivery of Retinoids in the Management of Acne Vulgaris: Current Formulations and Novel Delivery Systems. Pharmaceutics 2019; 11:E490. [PMID: 31554188 PMCID: PMC6835300 DOI: 10.3390/pharmaceutics11100490] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 09/13/2019] [Accepted: 09/17/2019] [Indexed: 02/07/2023] Open
Abstract
Acne vulgaris is a common inflammatory pilosebaceous condition that affects 80-90% of adolescents. Since the introduction of tretinoin over 40 years ago, topical retinoid products have been a mainstay of acne treatment. The retinoids are very effective in addressing multiple aspects of the acne pathology as they are comedolytic and anti-inflammatory, and do not contribute to antibiotic resistance or microbiome disturbance that can be associated with long-term antibiotic therapies that are a common alternative treatment. However, topical retinoids are associated with skin dryness, erythema and pain, and may exacerbate dermatitis or eczema. Thus, there is a clear need to target delivery of the retinoids to the pilosebaceous units to increase efficacy and minimise side effects in surrounding skin tissue. This paper reviews the current marketed topical retinoid products and the research that has been applied to the development of targeted topical delivery systems of retinoids for acne.
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Affiliation(s)
- Gemma Latter
- School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth 6845, Australia.
| | - Jeffrey E Grice
- Therapeutics Research Group, The University of Queensland Diamantina Institute, School of Medicine, University of Queensland, Translational Research Institute, Brisbane 4109, Australia.
| | - Yousuf Mohammed
- Therapeutics Research Group, The University of Queensland Diamantina Institute, School of Medicine, University of Queensland, Translational Research Institute, Brisbane 4109, Australia.
| | - Michael S Roberts
- Therapeutics Research Group, The University of Queensland Diamantina Institute, School of Medicine, University of Queensland, Translational Research Institute, Brisbane 4109, Australia.
- School of Pharmacy and Medical Sciences, University of South Australia, Basil Hetzel Institute for Translational Health Research, Adelaide 5011, Australia.
| | - Heather A E Benson
- School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth 6845, Australia.
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Zhang Z, Liu Y, Chen Y, Li L, Lan P, He D, Song J, Zhang Y. Transdermal Delivery of 5-Aminolevulinic Acid by Nanoethosome Gels for Photodynamic Therapy of Hypertrophic Scars. ACS APPLIED MATERIALS & INTERFACES 2019; 11:3704-3714. [PMID: 30589527 DOI: 10.1021/acsami.8b17498] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
5-Aminolevulinic acid (ALA)-loaded nanoethosome (ALA-ES) gels are successfully prepared to realize a transdermal delivery of ALA, and they provide a feasible approach for the photodynamic therapy (PDT) of hypertrophic scars (HS). Herein, the morphological and physicochemical features indicate that ALA-ES is stable in gel matrix. In vitro transdermal penetration studies suggest ALA-ES gels can overcome the compact dermal barrier and deliver more ALA into human HS tissue. In vivo delivery studies further reveal that ALA-ES gels can penetrate into rabbit HS tissue to facilitate ALA accumulating in hypertrophic scar fibroblast (HSF) and converting into protoporphyrin IX in the cytoplasm. Utilizing transmission electron microscopy, the visual in vivo penetration process indicates ALA-ES penetrate into HS tissue utilizing its deformable membrane, enters HSF by a pinocytotic-like mechanism, and then releases ALA in the cytoplasm. Subsequently, PDT efficacy is assessed using rabbit HS models. The morphological and histological analysis reveal that ALA-ES gels can improve HS by promoting HSF apoptosis, remodelling collagen fibers and increasing MMP3 expression. The results demonstrate that ALA-ES gels are suitable in clinical treatment of HS and make a substantial progress within the field.
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Affiliation(s)
- Zheng Zhang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, School of Medicine , Shanghai Jiao Tong University , 639 Zhizaoju Road , Shanghai 200011 , P.R. China
| | - Ying Liu
- Cosmetic Laser Center, Shanghai Ninth People's Hospital, School of Medicine , Shanghai Jiao Tong University , 639 Zhizaoju Roadd , Shanghai 200011 , P.R. China
| | - Yunsheng Chen
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, School of Medicine , Shanghai Jiao Tong University , 639 Zhizaoju Road , Shanghai 200011 , P.R. China
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Instrument for Diagnosis and Therapy, 800 Dongchuan Rd , Shanghai Jiao Tong University , Shanghai 200240 , P.R. China
| | - Lexiang Li
- Department of Orthopedic, Changzheng Hospital , Second Military Medical University , Shanghai 200240 , China
| | - Ping Lan
- Institute for Advanced and Applied Chemical Synthesis , Jinan University , Zhuhai , 519070 , China
| | - Dannong He
- Shanghai National Engineering Research Center for Nanotechnology , 245 Jiachuan Road , Shanghai 200237 , PR China
| | - Jie Song
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Instrument for Diagnosis and Therapy, 800 Dongchuan Rd , Shanghai Jiao Tong University , Shanghai 200240 , P.R. China
| | - Yixin Zhang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, School of Medicine , Shanghai Jiao Tong University , 639 Zhizaoju Road , Shanghai 200011 , P.R. China
- Shanghai National Engineering Research Center for Nanotechnology , 245 Jiachuan Road , Shanghai 200237 , PR China
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Lebrón JA, Ostos FJ, López-López M, Moyá ML, Kardell O, Sánchez A, Carrasco CJ, García-Calderón M, García-Calderón CB, Rosado IV, López-Cornejo P. Preparation and characterization of metallomicelles of Ru(II). Cytotoxic activity and use as vector. Colloids Surf B Biointerfaces 2018; 175:116-125. [PMID: 30529817 DOI: 10.1016/j.colsurfb.2018.11.081] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 11/27/2018] [Accepted: 11/28/2018] [Indexed: 10/27/2022]
Abstract
The use of nanovectors in several medicinal treatments has reached a great importance in the last decade. Some drugs need to be protected to increase their lifetimes in the blood flow, to avoid degradation, to be delivered into target cells or to decrease their side effects. The goal of this work was to design and prepare nanovectors formed by novel surfactants derived from the [Ru(bpy)3]2+ complex. These amphiphilic molecules are assembled to form metallomicelles which can act as pharmaceutical agents and, at the same time, as nanovectors for several drugs. TEM images showed a structural transition from spherical to elongated micelles when the surfactant concentration increased. Fluorescence microscopy confirmed the internalization of these metallomicelles into diverse cell lines and cytotoxicity assays demonstrated specificity for some human cancer cells. The encapsulation of various antibiotics was carried out as well as a thorough study about the DNA condensation by the metallomicelles. To the best of our knowledge, applications of these metallomicelles have not been shown in the literature yet.
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Affiliation(s)
- J A Lebrón
- Departamento de Química Física, Facultad de Química, Universidad de Sevilla, c/ Prof. García González nº 1, Seville, 41012, Spain
| | - F J Ostos
- Departamento de Química Física, Facultad de Química, Universidad de Sevilla, c/ Prof. García González nº 1, Seville, 41012, Spain
| | - M López-López
- Departamento de Ingeniería Química, Química Física y Ciencias de los Materiales. Universidad de Huelva. Campus 'El Carmen', Facultad de Ciencias Experimentales, E-21071, Spain
| | - M L Moyá
- Departamento de Química Física, Facultad de Química, Universidad de Sevilla, c/ Prof. García González nº 1, Seville, 41012, Spain
| | - O Kardell
- Departamento de Química Física, Facultad de Química, Universidad de Sevilla, c/ Prof. García González nº 1, Seville, 41012, Spain
| | - A Sánchez
- Departamento de Química Física, Facultad de Química, Universidad de Sevilla, c/ Prof. García González nº 1, Seville, 41012, Spain
| | - C J Carrasco
- Departamento de Química Inorgánica, Facultad de Química, Universidad de Sevilla. Aptdo. 1203, Sevilla, ES, 41071, Spain
| | - M García-Calderón
- Departamento de Bioquímica Vegetal y Biología Molecular, Facultad de Química, c/ Prof. García González nº 1, Seville, 41012, Spain
| | - C B García-Calderón
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Avda. Manuel Siurot s/n, 41013, Seville, Spain
| | - I V Rosado
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Avda. Manuel Siurot s/n, 41013, Seville, Spain
| | - P López-Cornejo
- Departamento de Química Física, Facultad de Química, Universidad de Sevilla, c/ Prof. García González nº 1, Seville, 41012, Spain.
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