<p>Ludwig Neyses, Nicola Tirelli of the University of Manchester in the United Kingdom and Benjamin Kaupp of the Max Planck Institute in Germany will test an affordable, sustained drug delivery formulation made of microparticle "doughnuts" combined with recently identified non-hormonal substances that immobilize sperm for possible use in a vaginal contraceptive device.</p>


Ludwig Neyses, Nicola Tirelli of the University of Manchester in the United Kingdom and Benjamin Kaupp of the Max Planck Institute in Germany will test an affordable, sustained drug delivery formulation made of microparticle "doughnuts" combined with recently identified non-hormonal substances that immobilize sperm for possible use in a vaginal contraceptive device.

Doughnut Microspheres for Local Non-Hormonal Contraception

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