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Diagram showing the site of injection of the product Vasalgel, a vasectomy alternative. 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 injection developed at IIT Kharagpur in India by the team of Dr. Sujoy K. Guha.
On average, the timing for effective contraception was eight weeks. ... Next Life’s approach, called Plan A, or Vasalgel, also involves blocking the vas deferens with a gel-like injection. Next ...
Vasalgel is composed of 25% styrene-alt-maleic acid (SMA acid) dissolved in dimethyl sulfoxide. [9] The major difference between RISUG and Vasalgel is that Vasalgel is composed of SMA acid without SMA anhydride, which allows for a longer shelf-life, smaller probability of hydrolysis to an acid, and less complex production process. [ 9 ]
Founded in 2005, Parsemus is an advocate of research into the plausibility of RISUG (and a method based on RISUG, called Vasalgel), a reversible male contraceptive. [2] [3] The foundation began procuring RISUG's United States intellectual property rights in November 2010, completed the acquisition process in February 2012, and is for the past 8 years conducting toxicology tests as an initial ...
Male birth control could be on the way. While it hasn't hit human trials yet, the gel contraceptive is being developed to have long lasting effects similar to a vasectomy.The target market date ...
Vasectomy is an effective procedure, with less than 0.15% of partners becoming pregnant within the first 12 months after the procedure. [43] Vasectomy is also a widely reliable and safe method of contraception, and complications are both rare and minor.
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Gossypol (/ ˈ ɡ ɒ s ə p ɒ l /) is a natural phenol derived from the cotton plant (genus Gossypium).Gossypol is a phenolic aldehyde that permeates cells and acts as an inhibitor for several dehydrogenase enzymes.