نتایج جستجو برای: vaginal ring
تعداد نتایج: 152008 فیلتر نتایج به سال:
OBJECTIVE To assess the effect of structured counselling on women's contraceptive decisions and to evaluate gynaecologists' perceptions of comprehensive contraceptive counselling. METHODS Belgian women (18-40 years old) who were considering using a combined hormonal contraceptive (CHC) were counselled by their gynaecologists about available CHCs (combined oral contraceptive [COC], transdermal...
Drug delivery of topical microbicidal molecules against HIV offers promise as a modality to prevent sexual transmission of the virus. Success of any microbicide product depends, in an interactive way, upon its drug (the microbicide active pharmaceutical ingredient, API) and its delivery system (e.g. a gel, film or intravaginal ring). There is a widespread agreement that more effective drug deli...
BACKGROUND Preexposure prophylaxis (PrEP) for HIV prevention is a novel biomedical prevention method. We have previously modeled PrEP during rectal SHIV exposures in macaques and identified that Simian/Human Immunodeficiency Virus chimera (SHIV)-specific T-cell responses were induced in the presence of antiretroviral drugs, an observation previously termed T-cell chemo-vaccination. This report ...
Women need multipurpose prevention products (MPTs) that protect against sexually transmitted infections (STIs) and provide contraception. The Population Council has developed a prototype intravaginal ring (IVR) releasing the non-nucleoside reverse transcriptase inhibitor (NNRTI) MIV-150 (M), zinc acetate (ZA), carrageenan (CG) and levonorgestrel (LNG) (MZCL IVR) to protect against HIV, HSV-2, H...
In the cation of the title compound, C(21)H(16)N(3)O(2) (+)·NO(3) (-), the N atom in the 3-position of the imidazole ring is protonated. The three pendant aromatic rings are twisted from the plane of the imidazolium ring by dihedral angles of 22.75 (1), 79.63 (1) and 29.65 (1)°. In the crystal structure, N-H⋯O hydrogen bonds link the mol-ecules, forming an infinite one-dimensional chain paralle...
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