Reversible inhibition of sperm under guidance (RISUG), formerly referred to as the synthetic polymer styrene maleic anhydride (SMA), is the development name of a male contraceptive developed at IIT Kharagpur in India by Dr. Sujoy K Guha. Phase III clinical trials are underway in India, slowed by insufficient volunteers. It has been patented in India, China, Bangladesh, and the United States. In the United States, there are efforts to get FDA approval under the name Vasalgel.
Read more about Reversible Inhibition Of Sperm Under Guidance: Mechanism of Action, Advantages, Controversy, Intellectual Property
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“The rest, called literature, is a dossier of human imbecility for the guidance of future professors.”
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