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09. October 2017
Tablets with HPMC/CH are the most suitable for vaginal controlled release of TFV.
HPMC/CH tablets show vaginal mucoadhesion time according to the TFV release time. A higher proportion of CH than HPMC has a moderate swelling and faster erosion
08. March 2017
Abstract Tenofovir, currently marketed as the prodrug tenofovir disoproxil fumarate, is used clinically to treat patients with HIV/AIDS. The oral bioavailability of tenofovir is relatively low, limiting its clinical effectiveness. Encapsulation of tenofovir within modified long-circulating liposomes would deliver this hydrophilic anti-HIV drug to the reticuloendothelial system for better therapeutic efficacy. The objectives of the current study were to prepare and pharmaceutically characterize...
27. February 2017
Abstract: The main challenges facing efforts to prevent the transmission of human immunodeficiency virus (HIV) are the lack of access to sexual education services and sexual violence against young women and girls. Vaginal formulations for the prevention of sexually transmitted infections are currently gaining importance in drug development. Vaginal mucoadhesive tablets can be developed by including natural polymers that have good binding capacity with mucosal tissues, such as chitosan or guar...
21. March 2016
Purpose The effectiveness of Tenofovir based HIV pre-exposure prophylaxis (PrEP) is proven, but hinges on correct and consistent use. User compliance and therapeutic effectiveness can be improved by long acting drug delivery systems. Here we describe a thin-film polymer device (TFPD) as a biodegradable subcutaneous implant for PrEP. Methods A thin-film polycaprolactone (PCL) membrane controls drug release from a reservoir. To achieve membrane controlled release, TAF requires a formulation...
24. December 2015
Pre-exposure prophylaxis (PrEP) is one of the best preventive strategies in protection against HIV/AIDS. The present research approach is development of novel topical thermosensitive mucoadhesive in situ gel for intravaginal use. Tenofovir disoproxil fumarate (TDF) has been loaded in the formulation and cold method was followed to prepare the various formulations. More