Drug Development and Industrial Pharmacy最新文献

{"title":"Study of the preparation, characterization, and solubility of lidocaine complexed with 5-sulfosalicylic acid dihydrate.","authors":"Manami Nomura, Junki Tomita, Shoko Itakura, Hiroaki Todo, Nao Kodama, Yutaka Inoue","doi":"10.1080/03639045.2024.2382396","DOIUrl":"10.1080/03639045.2024.2382396","url":null,"abstract":"<p><strong>Objective: </strong>This study was to prepare solid dispersions of lidocaine (Lid) with 5-sulfosalicylic acid dihydrate (SSA) by freeze-drying (freeze-dried [FD] Lid/SSA = 1/1) and to evaluate their physical properties.</p><p><strong>Methods: </strong>Here, we evaluated the physicochemical properties and solubility of solid dispersions of Lid and SSA prepared by freeze-drying (freeze-dried [FD] Lid/SSA = 1/1).</p><p><strong>Results: </strong>Differential scanning calorimetry measurements showed that after freeze-drying, the endothermic peak due to Lid melting, the dehydration peak, and the endothermic peak due to SSA melting disappeared. Powder X-ray diffraction results showed that the characteristic Lid and SSA peaks disappeared after freeze-drying, indicating a halo pattern. The near-infrared spectroscopy results suggested that Lid-derived -NH and -CH groups and the Lid-derived -OH and -CH groups from the SSA peak shifted and broadened after freeze-drying, suggesting their involvement in complex formation through Lid/SSA intermolecular interactions. Nuclear Overhauser effect spectroscopy-nuclear magnetic resonance (NMR) measurements showed a cross-peak due to the interaction between the Lid-derived -CH group and the SSA-derived -OH group, suggesting hydrogen bonding. Diffusion-ordered spectroscopy NMR measurements showed that the diffusion coefficients of Lid and SSA aggregated in FD Lid/SSA, suggesting a change in Lid dispersibility in the solvent owing to the formation of a complex with SSA. The solubility of FD Lid/SSA was approximately 88 mg/mL (∼20-fold higher than that of Lid).</p><p><strong>Conclusions: </strong>These findings suggest that complex formation occurred in FD Lid/SSA; this enhanced the solubility of this dispersion.</p>","PeriodicalId":11263,"journal":{"name":"Drug Development and Industrial Pharmacy","volume":" ","pages":"628-638"},"PeriodicalIF":2.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141726964","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Preparation and characterization of nano-emulsion formulations of <i>Asparagus densiflorus</i> root and aerial parts extracts: evaluation of <i>in-vitro</i> antibacterial and anticancer activities of nano-emulsion versus pure plant extract.","authors":"Mohamed S Mady, Yasmin Sobhy, Ahmed Orabi, Marwa Sharaky, Suzan A Mina, Yasmin Abo-Zeid","doi":"10.1080/03639045.2024.2386001","DOIUrl":"10.1080/03639045.2024.2386001","url":null,"abstract":"<p><strong>Objective: </strong>Preparation and characterization of nano-emulsion formulations for <i>Asparagus densiflorus</i> aerial and root parts extracts.</p><p><strong>Significance: </strong>Genus Asparagus is known for its antimicrobial and anticancer activities, however, freeze dried powder of aqueous - alcoholic extract prepared in this study, exhibited a limited water solubility, limiting its therapeutic application. Thus, encapsulation of its phytochemicals into nano-emulsion is proposed as a solution to improve water solubility, and facilitate its clinical translation.</p><p><strong>Methods: </strong>the composition of extracts for both aerial and root parts of <i>Asparagus densiflorus</i> was identified by HPLC and LC-MS analysis. Nano-emulsion was prepared <i>via</i> homogenization where a mixture of Castor oil: phosphate buffered saline (10 mM, pH 7.4): Tween 80: PEG 600 in a ratio of 10: 5: 2.5: 2.5, respectively. Nano-emulsion formulations were characterized for particle size, polydispersity index (PDI), zeta potential, TEM, viscosity and pH. Then, the antibacterial and anticancer activities of nano-emulsion formulations versus their pure plant counterparts was assessed.</p><p><strong>Results: </strong>The analysis of extracts identified several flavonoids, phenolics, and saponins which were reported to have antimicrobial and anticancer activities. Nano-emulsion formulations were monodispersed with droplet sizes ranging from 80.27 ± 2.05 to 111.16 ± 1.97 nm, and polydispersity index ≤0.3. Nano-emulsion formulations enhanced significantly the antibacterial (multidrug resistant bacteria causing skin and dental soft tissues infections) and anticancer (HuH7, HEPG2, H460 and HCT116) activities compared to their pure plant extract counterparts.</p><p><strong>Conclusion: </strong>Employing a nano-delivery system as a carrier for phytochemicals might be an effective strategy to enhance their pharmacological activity, overcome their limitations, and ultimately increase their potential for clinical applications.</p>","PeriodicalId":11263,"journal":{"name":"Drug Development and Industrial Pharmacy","volume":" ","pages":"658-670"},"PeriodicalIF":2.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141874399","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"<i>In vitro</i> and <i>ex vivo</i> evaluation of chitosan gel containing metformin-loaded polymeric nanoparticles for topical treatment of melanoma.","authors":"Ziyneti Eke, Dilara Orgul, Gamze Varan, Nazlı Erdoğar","doi":"10.1080/03639045.2024.2372290","DOIUrl":"10.1080/03639045.2024.2372290","url":null,"abstract":"<p><strong>Objective: </strong>The purpose of this study was to prepare and evaluate chitosan (CS) gel containing metformin hydrochloride (MET)-loaded polycaprolactone (PCL) nanoparticles (NPs) for topical treatment of melanoma.</p><p><strong>Significance: </strong>Topical administration of MET-PCL NPs-CS gel improves penetration of drug, decreases side effects, and increases efficacy of treatment.</p><p><strong>Methods: </strong>MET-PCL NPs were prepared by double emulsion method. Particle size, charge, encapsulation efficiency (EE), release, and morphology were evaluated. MET-PCL NPs-CS gel formulation was characterized in terms of organoleptic properties, pH, gelling time, viscosity, spreadability, release, and morphology. Cytotoxicity was performed on B16F10 cells. <i>Ex vivo</i> permeability was done with pig skin.</p><p><strong>Results: </strong>The size, charge, and EE were found to be 180 ± 10 nm, -11.4 mV, and 93%. SEM images showed that NPs were spherical and smooth. An initial burst release followed by a slower release was observed. MET-PCL NPs-CS gel was found to be transparent. The pH was 4.9 ± 0.05. The gelation time was 1.6 ± 0.2 min. The viscosity results confirm pseudoplastic behavior of gel. The spreadability by % area was 392 ± 6.4 cm. The images showed that gelling network of CS gel was composed of suspended NPs. The viscosity was between 554 and 3503 cP. MET-PCL NPs-CS gel showed prolonged release up to 72 h. On B16F10 cells, gel showed higher cytotoxicity compared to MET solution. MET-PCL NPs-CS gel had twofold higher permeability in pig skin compared with MET-CS gel.</p><p><strong>Conclusion: </strong>Topical administration of MET-PCL NPs-CS gel into the skin resulted in improved dermal penetration and this promising approach may be of value in effective treatment of melanoma and other skin cancers.</p>","PeriodicalId":11263,"journal":{"name":"Drug Development and Industrial Pharmacy","volume":" ","pages":"593-604"},"PeriodicalIF":2.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141450047","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Nintedanib and miR-29b co-loaded lipoplexes in idiopathic pulmonary fibrosis: formulation, characterization, and <i>in vitro</i> evaluation.","authors":"Ceren Duraloglu, Ipek Baysal, Samiye Yabanoglu-Ciftci, Betul Arica","doi":"10.1080/03639045.2024.2387166","DOIUrl":"10.1080/03639045.2024.2387166","url":null,"abstract":"<p><strong>Objective: </strong>This study was aimed to develop a cationic lipoplex formulation loaded with Nintedanib and miR-29b (LP-NIN-miR) as an alternative approach in the combination therapy of idiopathic pulmonary dibrosis (IPF) by proving its additive anti-fibrotic therapeutic effects through <i>in vitro</i> lung fibrosis model.</p><p><strong>Significance: </strong>This is the first research article reported that the LP-NIN-MIR formulations in the treatment of IPF.</p><p><strong>Methods: </strong>To optimize cationic liposomes (LPs), quality by design (QbD) approach was carried out. Optimized blank LP formulation was prepared with DOTAP, CHOL, DOPE, and DSPE-mPEG 2000 at the molar ratio of 10:10:1:1. Nintedanib loaded LP (LPs-NIN) were produced by microfluidization method and were incubated with miR-29b at room temperature for 30 min to obtain LP-NIN-miR. To evaluate the cellular uptake of LP-NIN-miR, NIH/3T3 cells were treated with 20 ng.mL^-1 transforming growth factor-β1 (TGF-β1) for 96 h to establish the <i>in vitro</i> IPF model and incubated with LP-NIN-miR for 48 h.</p><p><strong>Results: </strong>The hydrodynamic diameter, polydispersity index (PDI), and zeta potential of the LP-NIN-miR were 87.3 ± 0.9 nm, 0.184 ± 0.003, and +24 ± 1 mV, respectively. The encapsulation efficiencies of Nintedanib and miR-29b were 99.8% ± 0.08% and 99.7% ± 1.2%, respectively. The results of the cytotoxicity study conducted with NIH/3T3 cells indicated that LP-NIN-miR is a safe delivery system.</p><p><strong>Conclusions: </strong>The outcome of the transfection study proved the additive anti-fibrotic therapeutic effect of LP-NIN-miR and suggested that lipoplexes are effective delivery systems for drug and nucleic acid to the NIH/3T3 cells in the treatment of IPF.</p>","PeriodicalId":11263,"journal":{"name":"Drug Development and Industrial Pharmacy","volume":" ","pages":"671-686"},"PeriodicalIF":2.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141888764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Exploring the mechanistic role of silk sericin biological and chemical conjugates for effective acute and chronic wound repair and related complications.","authors":"Esham Nadeem Butt, Shaukat Ali, Muhammad Summer, Ayesha Siddiqua Khan, Shehzeen Noor","doi":"10.1080/03639045.2024.2387814","DOIUrl":"10.1080/03639045.2024.2387814","url":null,"abstract":"<p><strong>Objective: </strong>The current review is designed to elaborate and reveal the underlying mechanism of sericin and its conjugates of drug delivery during wounds and wound-related issues.</p><p><strong>Significance: </strong>Wound healing is a combination of different humoral, molecular, and cellular mechanisms. Various natural products exhibit potential in wound healing but among them, sericin, catches much attention of researchers due to its bio-functional properties such as being biodegradable, biocompatible, anti-oxidant, anti-bacterial, photo-protector, anti-inflammatory and moisturizing agent.</p><p><strong>Methods and results: </strong>Sericin triggers the activity of anti-inflammatory cytokines which decrease cell adhesion and promote epithelial cell formation. Moreover, sericin enhances the anti-oxidant enzymes in the wounded area which scavenge the toxic consequences of reactive species (ROS).</p><p><strong>Conclusions: </strong>This article highlights the mechanisms of how topical administration of sericin formulations along with 4-hexylresorcinol,ChitosanAg@MOF-GO, polyvinyl alcohol (PVA), platelet lysate and UV photo cross-linked hydrogel sericin methacrylate which recruits a large number of cytokines on wounded area that stimulate fibroblasts and keratinocyte production as well as collagen deposition that led to early wound contraction. It also reviews the different sericin-based nanoparticles that play a significant role in rapid wound healing.</p>","PeriodicalId":11263,"journal":{"name":"Drug Development and Industrial Pharmacy","volume":" ","pages":"577-592"},"PeriodicalIF":2.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141859320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative study of <i>Lepidium sativum</i> orally administered seeds, hydrogel and atorvastatin on obesity of rats fed on a high fat diet.","authors":"Basmah N Aldosari, Hesham M Tawfeek, Ahmed A H Abdellatif, Alanood Sunhat Almurshedi, Iman Mohammed Alfagih, Bushra Tawfeeq AlQuadeib, Asmaa Youssef A Abbas, Heba M Mohammed, Yasser A Hassan, Mohamed H Fayed, Nahla Sameh Tolba","doi":"10.1080/03639045.2024.2376624","DOIUrl":"10.1080/03639045.2024.2376624","url":null,"abstract":"<p><strong>Background: </strong>Obesity has become a prevalent issue worldwide, leading to various complications such as hyperlipidemia, diabetes, and cardiovascular problems. Statins, as FDA approved anti-hyperlipidemic drugs, still pose some concerns upon their administration. Recently, researchers have looked for natural products as an alternative to manage hyperlipidemia and obesity.</p><p><strong>Aim: </strong>This work aimed to study the hypolipidemic effect of <i>Lepidium sativum</i> garden cress (GC) from different preparations; orally administered seeds, and hydrogel, in comparison to atorvastatin.</p><p><strong>Methods: </strong>GC hydrogel was prepared from the GC aqueous extract and pharmaceutically evaluated for its pH, spreadability, seeds content, homogeneity, rheology, and <i>in vitro</i> release. The rat's body weight, blood glucose levels, total lipid profile, and liver biomarkers were evaluated on obese rats for one month. In addition, the histopathology study was also performed.</p><p><strong>Results: </strong>GC hydrogel had acceptable pharmaceutical properties and showed a sustained release performance over 24 h. Oral and topical GC significantly reduced the lipid profiles, blood sugar and ALT, AST levels more than the negative control group and comparable to atorvastatin. It was found that oral GC showed a significant effect on the percentage decrease in the rat's body weight than the applied hydrogel. Histopathology study revealed a better outcome in the histological structure of pancreas and liver compared with rats feed on high fat diet post-treatment for one month.</p><p><strong>Conclusion: </strong>GC orally administered, or topically applied hydrogel could be a promising, safe alternative formulation to atorvastatin in managing hyperlipidemia and normalizing body weight of obese rats.</p>","PeriodicalId":11263,"journal":{"name":"Drug Development and Industrial Pharmacy","volume":" ","pages":"605-618"},"PeriodicalIF":2.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141497425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Solubility-permeability interplay of hydrotropic solubilization of piroxicam.","authors":"Nidhi Nainwal, Sunil Jawla, Ranjit Singh, Surojit Banerjee, Vikas Anand Saharan","doi":"10.1080/03639045.2024.2349576","DOIUrl":"10.1080/03639045.2024.2349576","url":null,"abstract":"<p><strong>Objectives: </strong>In this research paper, an investigation has been made to assess the simultaneous effect of a solubility enhancement approach, i.e., hydrotropy on the solubility and apparent permeability of piroxicam. The solubility of piroxicam (PRX) a BCS (biopharmaceutics classification system) class II drug has been increased using a mixed hydrotropy approach. This study is based on identifying the pattern of solubility-permeability interplay and confirming whether every solubility gain results in a concomitant decrease in permeability or permeability remains unaffected.</p><p><strong>Method: </strong>Solid dispersions of PRX were formulated using two hydrotropes, viz., sodium benzoate (SB) and piperazine (PP) by solvent evaporation method. A comprehensive 3²factorial design was employed to study the effect of hydrotropes on the solubility and permeability of PRX. Subsequently, PRX tablets containing these solid dispersions were formulated and evaluated.</p><p><strong>Key findings: </strong>SB and PP displayed a significant increase in the solubility of PRX ranging from 0.99 to 2.21 mg/mL for F1-F9 batches attributed to the synergistic effect of hydrotropes. However, there is a reduction in PRX permeability with increasing hydrotrope levels. The decline in permeability was notably less pronounced compared to the simultaneous rise in aqueous solubility of PRX.</p><p><strong>Conclusion: </strong>An evident tradeoff between permeability and solubility emerged through the mixed hydrotropic solubilization for PRX. As PRX has generally higher intrinsic permeability, it has been assumed that this permeability loss will not affect the overall absorption of PRX. However, it may affect the absorption of drugs with limited permeability. Therefore, solubility permeability interplay should be investigated during solubility enhancement.</p>","PeriodicalId":11263,"journal":{"name":"Drug Development and Industrial Pharmacy","volume":" ","pages":"481-494"},"PeriodicalIF":2.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140876064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of nano zinc oxide and nano chitosan on the taste masking paracetamol granules.","authors":"Tina Rashidi, Alireza Shakeri","doi":"10.1080/03639045.2024.2353096","DOIUrl":"10.1080/03639045.2024.2353096","url":null,"abstract":"<p><strong>Objective: </strong>The purpose of this study is to investigate the taste masking of Paracetamol granules in the range of 250-850 µm, coated by two nanocomposites prepared from Eudragit^® E100, nanozinc oxide, and nanochitosan, respectively, from 1 to 5% by the weight of the granules.</p><p><strong>Methods: </strong>In this study, Paracetamol granules were coated in several formulas with two different types of nanocomposites (polymeric and mineral) on two sizes of granules to reduce bitter taste and with the FBC method and pH-sensitive polymers (Eudragit^® E100).</p><p><strong>Results: </strong>The effect of nanoparticles (Nano zinc oxide and Nanochitosan) on taste-masking Paracetamol was studied with dissolution-coated granules <i>in vitro</i> by simulating in the oral (pH 6.8) range. Based on the results of the studies, the rate of drug release was confirmed by the taste test, and the formulated granule with 5% nano-chitosan (F14) had the best bitter taste mask function of all samples. These results were also confirmed by scanning electron microscopy (SEM) analysis, which showed a smoother and more stable surface than the samples obtained from other formulations.</p><p><strong>Conclusion: </strong>In the comparison of the release of two types of nanocomposites in the dissolution test, it was shown that the type B granules of Paracetamol's 5% nano-chitosan-coated granule (F14) were released 99% less than Paracetamol's 5% nano-ZnO-coated granule (F11). and Paracetamol's 1% nano-chitosan-coated granule (F12) was released 91% less than Paracetamol's 1% nano-ZnO-coated granule (F9). The results showed that nano-chitosan-coated granules have better coverage of bitter taste instead of nano-ZnO.</p>","PeriodicalId":11263,"journal":{"name":"Drug Development and Industrial Pharmacy","volume":" ","pages":"495-510"},"PeriodicalIF":2.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140890998","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Amelioration of tableting properties and dissolution rate of naproxen co-grinded with nicotinamide: preparation and characterization of co-grinded mixture.","authors":"Nosheen Khizar, Nasir Abbas, Mahmood Ahmed, Muhammad Ahmad, Zeeshan Mustafa, Muhammad Jehangir, Khairia Mohammed Al-Ahmary, Amjad Hussain, Nadeem Irfan Bukhari, Ijaz Ali","doi":"10.1080/03639045.2024.2358356","DOIUrl":"10.1080/03639045.2024.2358356","url":null,"abstract":"<p><strong>Objective and significance: </strong>Reducing the dimensions, when other additives are present, shows potential as a method to improve the dissolution and solubility of biopharmaceutical classification system class II drugs that have poor solubility. In this investigation, the process involved grinding naproxen with nicotinamide with the aim of improving solubility and the rate of dissolution.</p><p><strong>Methods: </strong>Naproxen was subjected to co-milling with urea, dimethylurea, and nicotinamide using a planetary ball mill for a duration of 90 min, maintaining a 1:1 molar ratio for the excipients (screening studies). The co-milled combinations, naproxen in its pure milled form, and a physical mixture were subjected to analysis using X-ray powder diffraction (XRPD), scanning electron microscopy (SEM), and solubility assessment. The mixture displaying the highest solubility (naproxen-nicotinamide) was chosen for further investigation, involving testing for intrinsic dissolution rate (IDR) and Fourier-transform infrared spectroscopy (FTIR) after co-milling for both 90 and 480 min.</p><p><strong>Results and conclusion: </strong>The co-milled combination, denoted as S-3b and consisting of the most substantial ratio of nicotinamide to naproxen at 1:3, subjected to 480 min of milling, exhibited a remarkable 45-fold increase in solubility and a 9-fold increase in IDR. XRPD analysis of the co-milled samples demonstrated no amorphization, while SEM images portrayed the aggregates of naproxen with nicotinamide. FTIR outcomes negate the presence of any chemical interactions between the components. The co-milled sample exhibiting the highest solubility and IDR was used to create a tablet, which was then subjected to comprehensive evaluation for standard attributes. The results revealed improved compressibility and dissolution properties.</p>","PeriodicalId":11263,"journal":{"name":"Drug Development and Industrial Pharmacy","volume":" ","pages":"537-549"},"PeriodicalIF":2.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141070339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Non-pigmented laser hair removal mediated via sepia melanin nanoparticles: <i>in vivo</i> study on albino mice.","authors":"Nayera Mohamed El Ghoubary, Maha Fadel, Doaa Abdel Fadeel","doi":"10.1080/03639045.2024.2356813","DOIUrl":"10.1080/03639045.2024.2356813","url":null,"abstract":"<p><strong>Objectives: </strong>Melanin is considered the main chromophore for laser hair removal. Due to a lack of laser-absorbing chromophores, removing non-pigmented hair with laser is quite problematic with unsatisfactory outcomes. This problem could be solved by delivering more melanin to the area around the hair follicle and enhancing that area as a target for light absorption. The insolubility of Sepia melanin as an exogenous dye, in most solvents, limits its bioavailability and thus its clinical use.</p><p><strong>Methods: </strong>In our study, to overcome the solubility problems and increase the bioavailability of melanin for biomedical and cosmetic applications, natural sepia melanin was loaded in different nano-delivery systems (spanlastics and transfersomes) to be delivered to the hair follicles. The different formulations of melanin were prepared and characterized. <i>In vivo</i> skin deposition and histopathological studies were conducted on albino mice.</p><p><strong>Results: </strong>Transmission electron microscopy (TEM) showed the spherical shape of the prepared vesicles with an average particle size of 252 and 262 nm and zeta potential of -22.5 and -35 mV for melanin spanlastics and melanin transfersomes, respectively. Histopathological examination of hair follicles and pilosebaceous glands for the irradiated and non-irradiated albino mice skin was studied post the application of the prepared formulations topically and subcutaneously. Qualitative statistical analysis was conducted and melanin transfersomes and melanin spanlastics showed significant damage to pilosebaceous glands and hair follicles with a p-value of 0.031 and 0.009 respectively.</p><p><strong>Conclusion: </strong>Melanin nanovesicles as transfersomes and spanlastics could be considered a promising approach for the removal of non-pigmented hair.</p>","PeriodicalId":11263,"journal":{"name":"Drug Development and Industrial Pharmacy","volume":" ","pages":"524-536"},"PeriodicalIF":2.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140943697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}