An exploratory study of drug concentration and inhibitory effect of cetylpyridinium chloride buccal tablets on SARS‐CoV‐2 infection among 10 Chinese subjects DOI Open Access
Yanting Li, Zhenwei Xie, Liming Chen

и другие.

Fundamental and Clinical Pharmacology, Год журнала: 2023, Номер 38(3), С. 579 - 587

Опубликована: Ноя. 20, 2023

Abstract Background It was evidenced that cetylpyridinium‐chloride (CPC) mouthwash could inhibit SARS‐COV‐2 activity and reduce salivary viral load, thus reducing SARS‐CoV‐2 transmission. However, due to insufficient residence time in the oral cavity, CPC‐containing mouthwashes have no prolonged antiviral effect. The duration of action CPC buccal tablet is expected be longer than mouthwash. there are currently reports on drug concentration tablets. Objective study aimed investigate tablets effect vitro. Trial design This a single‐dose, single‐arm clinical trial, involving 10 Chinese healthy subjects who received 2‐mg collect saliva samples detect at different timepoints within 2 h (Clinical Registration Number: NCT05802628, Date: April 6, 2023). Materials methods detected by liquid chromatography tandem mass spectrometry (LC–MS/MS), pharmacokinetic parameters were calculated based non‐compartmental model. With an vitro experiment, against its cellular toxicity tested. Results Drug concentrations 15 min, 30 1 h, 1.5 after administration 8008.33 (1042.25, 41081.11), 2093.34 (373.15, 5759.83), 1016.58 (378.66, 3480.68), 891.77 (375.66, 6322.07), 717.43 (197.87, 2152.71) ng/mL. PK concentration: C max = 41081.11) ng/mL, AUC 0‐t 4172.37 (904.42, 13912.61) ng/mL * 0‐∞ 6712.85 (1856.77, 19971.12) T 1/2 1.22 (0.59, 2.83) 0.25 (0.25, 0.25) h. As determined active with cytotoxic inhibitory CC50 35.75 μM (≈12155 ng/mL) EC50 7.39 (≈2512.6 ng/mL). Conclusions comparison between EC50/CC50 values from experiments suggests may activity, inhibition last for approximately min without cytotoxicity.

Язык: Английский

Anti-HSV-1 agents: an update DOI Creative Commons
Wenwen Lv, Lei Zhou,

Jia Qian Wu

и другие.

Frontiers in Pharmacology, Год журнала: 2025, Номер 15

Опубликована: Янв. 21, 2025

Herpes simplex virus type I (HSV-1) is a member of the α-herpesvirus subfamily and capable causing herpes keratitis, labialis, encephalitis. HSV-1 well known for its lytic infections at primary sites establishing latency in sensory neuronal ganglia, with occasional recurrent infections. To date, there are no approved commercially available vaccines, anti-HSV-1 drugs such as specific or non-specific nucleotide (nucleoside) analogs helicase-primase inhibitors have become main clinical agents treatment despite challenges from resistance. Therefore, development new compounds therapies key to addressing issue The present review provides an update on progress made over approximately 60 years regarding while also highlighting future perspectives controlling

Язык: Английский

Процитировано

1

New Insights Regarding the Use of Relevant Synthetic Compounds in Dentistry DOI Creative Commons

Stefania-Irina Dumitrel,

Anamaria Matichescu, Ştefania Dinu

и другие.

Molecules, Год журнала: 2024, Номер 29(16), С. 3802 - 3802

Опубликована: Авг. 10, 2024

Worldwide, synthetic compounds are used for both in-office and at-home dental care. They a valuable resource prophylactic curative treatments various problems, such as tooth decay, periodontal diseases, many more. typically preferred due to their broad range of actions ability produce targeted, rapid, long-lasting effects. Using 0.12% chlorhexidine mouthwash is capable reducing the plaque index from 47.69% 2.37% bleeding 32.93% 6.28% after just 2 weeks. Mouthwash with 0.1% OCT also highly effective, it significantly lowered median salivary bacterial counts in 152 patients 5 days compared control group (p < 0.0001), while gingival 0.001). When povidone-iodine was an irrigant during surgical removal mandibular third molars 105 patients, resulted notably lower pain scores (4.57 ± 0.60 vs. 5.71 0.45). Sodium hypochlorite excellent root canal disinfection, irrigating 1% NaOCl completely eliminated bacteria canals 65% patients. A 0.05% CPC proved effective perioperative patient care, decreasing 0.001) suppressing Streptococcus levels even one week post-surgery. Lastly, 6% H2O2 paint-on varnish tray formulations successfully bleached teeth 40 maintaining noticeably whiter appearance up 6-month follow-up, significant color differences baseline 0.005). Synthetic have large research base, which provides greater awareness mechanism action potential adverse For better understanding how they work, several methods assays performed. These protocolary techniques through compound’s efficacy toxicity established.

Язык: Английский

Процитировано

3

Comparing In Vitro Virucidal Efficacy of Commercially Available Mouthwashes Against Native High-Risk Human Papillomavirus Types 16 and 18 DOI Creative Commons

Samina Alam,

Jacob Avila, William Barrett

и другие.

Microorganisms, Год журнала: 2025, Номер 13(4), С. 734 - 734

Опубликована: Март 25, 2025

The rising incidence of oropharyngeal cancer caused by high-risk Human Papillomavirus (HPV) type 16 and HPV18 in the U.S other developed countries is an important public health issue. This has been attributed to changes sexual behavior, including practice oral sex, which may expose individuals increased risk acquiring HPV infection. infections highlights role cavity as anatomical site acquisition transmission HPVs. Generally, use mouthwash/oral rinses have focused on targeting bacteriome, could additionally be formulated for managing virome. Here, we examined virucidal properties common over-the-counter antibacterial mouthwash products against native HPV16 virion vitro, downstream modification virus infectivity. We tested containing essential oils/alcohol, hydrogen peroxide, cetylpyridinium chloride. Our results demonstrated greater than 90% efficacy inactivation, but comparatively with less HPV18. Overall, peroxide best both types, albeit lower Prophylactic targeted towards HPVs beneficial reducing incidental load, prevalence, persistent infections.

Язык: Английский

Процитировано

0

Topical Ocular Drug Delivery: The Impact of Permeation Enhancers DOI Creative Commons
Gonçalo Santos, Esmeralda Delgado, Beatriz Silva

и другие.

Pharmaceutics, Год журнала: 2025, Номер 17(4), С. 447 - 447

Опубликована: Март 31, 2025

Topical ophthalmic drug delivery targeting the posterior segment of eye has become a key area interest due to its non-invasive nature, safety, ease application, patient compliance, and cost-effectiveness. However, achievement effective bioavailability in ocular is significant challenge unique barriers, including precorneal factors anatomical like cornea, conjunctiva, sclera. Successful systems require increased residence time improved corneal penetration enhance intraocular bioavailability. A promising strategy overcome these barriers incorporating enhancers (DPEs) into formulations. These compounds facilitate by improving permeability across otherwise impermeable or poorly permeable membranes. At level, they act through three primary mechanisms: breaking tear film stability interfering with mucous layer; disrupting membrane components such as phospholipids proteins; loosening epithelial cellular junctions. DPEs offer potential improve therapeutic outcomes, particularly for drugs eye. This review focused on analyzing current literature regarding use topical delivery, highlighting their mechanisms action revolutionize treatments.

Язык: Английский

Процитировано

0

Cetylpyridinium chloride and chlorhexidine show antiviral activity against Influenza A virus and Respiratory Syncytial virus in vitro DOI Creative Commons

Marina Rius-Salvador,

Ma Jesús García-Murria, Luciana Rusu

и другие.

PLoS ONE, Год журнала: 2024, Номер 19(2), С. e0297291 - e0297291

Опубликована: Фев. 16, 2024

Background The oral cavity is the site of entry and replication for many respiratory viruses. Furthermore, it source droplets aerosols that facilitate viral transmission. It thought appropriate hygiene alters infectivity might reduce spread viruses contribute to infection control. Materials methods Here, we analyzed antiviral activity cetylpyridinium chloride (CPC), chlorhexidine (CHX), three commercial CPC CHX-containing mouthwash preparations against Influenza A virus Respiratory syncytial virus. To do so aforementioned compounds were incubated with or Next, viability treated particles. Results Our results indicate CHX decrease both Syncytial in vitro between 90 99.9% depending on concentration. Likewise, up 99.99% effective decreasing . Conclusion use a containing alone combination represent cost-effective measure limit enveloped infecting cavity, aiding reducing findings may stimulate future clinical studies evaluate effects transmissions.

Язык: Английский

Процитировано

1

Influence of Five Different Commercially Available Mouthwashes on the Growth of Candida albicans Adhered to Customized Prefabricated Heat-Cured Denture Base Acrylic Resin Sheets: An In Vitro Study DOI Open Access

Neethu Niduvote Poyil,

Pattathil Abdul Razak,

Aysha Mohamed Ali

и другие.

Cureus, Год журнала: 2024, Номер unknown

Опубликована: Апрель 15, 2024

Background The purpose of this in vitro investigation was to evaluate the impact five distinct commercial mouthwashes on development Candida albicans that had been adhered heat-cured acrylic resin sheets. Methods This carried out at MES Medical College's Microbiology Department Perinthalmanna, Kerala, India. A total 72 sheets, size 10 × 2 mm, were fabricated. After disinfection, all sheets placed a flask containing suspension standard strain species (American Type Culture Collection) and incubated 37ºC for 24 hours. Then, randomly divided into six groups, with each group 12 Group 1 control which no mouthwash added. In 2, Colgate Plax 3, Hiora Himalaya 4, Oral B 5, Listerine 6, Pepsodent Colony-forming units (CFUs) assessed using colony counter every six, 24, 48, 120 obtaining pH CFU specimens, software known as Statistical Package Social Sciences (SPSS) (IBM Corp., Armonk, NY) used analyze data. Results denture base differed significantly response commercially available (Oral B, Plax, Pepsodent) non-commercial (Hiora Listerine) contained cetylpyridinium chloride. Conclusions Compared other do not contain chloride (Listerine Himalaya), active ingredient Pepsodent, Plax) have shown good antifungal properties against adhering resin.

Язык: Английский

Процитировано

1

An exploratory study of drug concentration and inhibitory effect of cetylpyridinium chloride buccal tablets on SARS‐CoV‐2 infection among 10 Chinese subjects DOI Open Access
Yanting Li, Zhenwei Xie, Liming Chen

и другие.

Fundamental and Clinical Pharmacology, Год журнала: 2023, Номер 38(3), С. 579 - 587

Опубликована: Ноя. 20, 2023

Abstract Background It was evidenced that cetylpyridinium‐chloride (CPC) mouthwash could inhibit SARS‐COV‐2 activity and reduce salivary viral load, thus reducing SARS‐CoV‐2 transmission. However, due to insufficient residence time in the oral cavity, CPC‐containing mouthwashes have no prolonged antiviral effect. The duration of action CPC buccal tablet is expected be longer than mouthwash. there are currently reports on drug concentration tablets. Objective study aimed investigate tablets effect vitro. Trial design This a single‐dose, single‐arm clinical trial, involving 10 Chinese healthy subjects who received 2‐mg collect saliva samples detect at different timepoints within 2 h (Clinical Registration Number: NCT05802628, Date: April 6, 2023). Materials methods detected by liquid chromatography tandem mass spectrometry (LC–MS/MS), pharmacokinetic parameters were calculated based non‐compartmental model. With an vitro experiment, against its cellular toxicity tested. Results Drug concentrations 15 min, 30 1 h, 1.5 after administration 8008.33 (1042.25, 41081.11), 2093.34 (373.15, 5759.83), 1016.58 (378.66, 3480.68), 891.77 (375.66, 6322.07), 717.43 (197.87, 2152.71) ng/mL. PK concentration: C max = 41081.11) ng/mL, AUC 0‐t 4172.37 (904.42, 13912.61) ng/mL * 0‐∞ 6712.85 (1856.77, 19971.12) T 1/2 1.22 (0.59, 2.83) 0.25 (0.25, 0.25) h. As determined active with cytotoxic inhibitory CC50 35.75 μM (≈12155 ng/mL) EC50 7.39 (≈2512.6 ng/mL). Conclusions comparison between EC50/CC50 values from experiments suggests may activity, inhibition last for approximately min without cytotoxicity.

Язык: Английский

Процитировано

0