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  • Title: Single and multiple exposure tolerance study of cellulose sulfate gel: a Phase I safety and colposcopy study.
    Author: Mauck C, Weiner DH, Ballagh S, Creinin M, Archer DF, Schwartz J, Pymar H, Lai JJ, Callahan M.
    Journal: Contraception; 2001 Dec; 64(6):383-91. PubMed ID: 11834238.
    Abstract:
    Vaginally applied gels offer a promising approach for preventing unwanted pregnancies and sexually transmitted infections. Cellulose sulfate (CS) is a non-cytotoxic antifertility agent that also exhibits in vitro antimicrobial activity against sexually transmitted pathogens, including HIV. This was a randomized, double-blinded, Phase I study of 2.5 mL and 5.0 mL doses of 6% CS gel. A single vaginal application of the gel followed by five consecutive daily doses was assessed for genital irritation, safety, vaginal leakage, and product acceptability compared to two controls, Conceptrol, which is a marketed contraceptive gel containing nonoxynol-9, and K-Y jelly. The results suggest that the safety of 6% CS was comparable to that of Conceptrol and K-Y jelly, and it may be associated with less genital irritation. The 2.5 mL dose of CS may be preferable according to the participants' reports of leakage. All the products had similar acceptability profiles.
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