title: Comparison of the potency of d-propranolol, chlorhexidine and nonoxynol-9 in the Sander-Cramer test.
abstract: The potency of two new candidate spermicides, d-propranolol and chlorhexidine, was compared with an established agent nonoxynol-9 by the Sander-Cramer test. The lowest concentrations of nonoxynol-9, d-propranolol and chlorhexidine which consistently inhibited progressive forward sperm motility within twenty seconds were found to be 0.12, 0.44, and 4.81 mg/ml, respectively. These relative potencies and other properties of d-propranolol and chlorhexidine indicate that they should be further investigated as alternatives to nonoxynol-9 in spermicidal preparations.
mesh_terms: D002710:Chlorhexidine / Q000494:pharmacology*; D004305:Dose-Response Relationship, Drug; D006801:Humans; D008297:Male; D017137:Nonoxynol; D011092:Polyethylene Glycols / Q000494:pharmacology*; D011433:Propranolol / Q000494:pharmacology*; D013081:Sperm Motility / Q000187:drug effects*; D013089:Spermatocidal Agents
chemical_list: D013089:Spermatocidal Agents; D017137:Nonoxynol; D011092:Polyethylene Glycols; D011433:Propranolol; D002710:Chlorhexidine