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297 results about "Sexually transmitted disease" patented technology

Diseases due to or propagated by sexual contact.

Methods, compositions, formulations, and uses of cellulose and acrylic-based polymers

Compositions, formulations, and methods for the treatment or prevention, or decreasing the frequency of transmission of a virus (such as human immunodeficiency virus type 1 (HIV-1), Herpes Simplex virus type 1 (HSV1), or Herpes Simplex Virus Type 2 (HSV2), or other virus), or a bacterial infection (such as Trichomonas vaginalis, Neisseris gonorrhoeae Haemopholus ducreyl, or Chlamydia trachomatis, or other bacterial species), or a fungal infection, using an anionic cellulose- or acrylic-based oligomer, polymer, or copolymer. The present invention also includes administering a therapeutically effective amount of said oligomer, polymer, or copolymer, or a pharmaceutically acceptable salt thereof, or with a pharmaceutically acceptable carrier or diluent, thereof. The invention relies on the unique biochemical substitution of the cellulose or acrylic backbone such that the resultant molecule can remain molecularly dispersed in solution (or gel or other formulation) and mostly dissociated over a wide range of physiological microenvironments, such as the low pH found within the vaginal lumen, preferably from a pH of 14 to below 3.5. These specific substitutions also impart on the resultant molecule potent antiviral, anti-bacterial, and anti-fungal properties. In addition, these compositions can be used as general disinfectants for human use such as in contact lens solutions, mouthwashes, toothpastes, suppositories, or as more generalized disinfectants found in soaps, household cleaning products, paints, water treatments modalities, or can be incorporated into cosmetic, and can be used as vehicles for drug delivery, an adjuvant in a therapeutic formulation, or as a preservative. These compounds can be delivered in a liquid or solid dosage form and can be incorporated into barrier devices such as condoms, diaphragms, or cervical caps, to help prevent the transmission of STDs. The compounds of this invention can also be used in combination therapies with other classes of antiviral, antibacterial, or antifungal agent having similar or differing mechanisms of action including, but not limited to, anionic or cationic polymers, copolymers, or oligomers, surfactants, protease inhibitors, DNA or RNA polymerase inhibitors (including reverse transcriptase inhibitors), fusion inhibitors, cell wall biosynthesis inhibitors, integrase inhibitors, or virus or bacterial attachment inhibitors.
Owner:NOVAFLUX INC +1

Compsns-and methods for trapping and inactivating pathogenic microbes and spermatozoa

Antimicrobial and contraceptive compositions and methods which prevent and/or reduce the risk of transmission of sexually transmitted diseases through sexual activity as well as prevent and/or reduce the risk of pregnancy are provided. The compositions contain (1) a matrix-forming agent, (2) a bio-adhesive agent, (3) a buffering agent, (4) optionally a humectant, (5) optionally a preservative, and (6) water; wherein the composition is suitable for application within the vagina; wherein the compositions form a semisolid matrix on contact with ejaculate (thereby trapping ejaculated microbes and spermatozoa); wherein the composition causes hardening of cervical mucus (thereby decreasing the probability of sperm entry); wherein the composition forms a bio-adhesive layer over vaginal surfaces (thereby preventing or reducing the risk of contact of STD-causing microbes with the vaginal surfaces); wherein the composition maintains an acidic vaginal pH of less than about 5 in the presence of semen ejaculated from the male; and wherein the composition does not significantly impair the natural microbiological balance within the vagina. The antimicrobial and contraceptive compositions may also contain additional antimicrobial and/or contraceptive agents (e.g., nonoxynol-9, octoxynol-9, benzalkonium chloride, phosphorylated hesperidins, sulfonated hesperidins, polystyrene sulfonates, substituted benzenesulfonic acid formaldehyde co-polymers, H2SO4-modified mandelic acids, povidone iodine, itraconazole, ketoconazole, metronidazole, clotrimazole, fluconazole, teraconazole, miconazole, tinidazole, iconazole, chloramphenicol, nystatin, cyclopiroxolamine, and the like).
Owner:RUSH UNIV MEDICAL CENT
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