Successful reversal of Vasalgel male contraceptive in rabbits For immediate release: Vasalgel’s prevention of sperm transport in the vas deferens for 14 months was reversed through an injection of sodium bicarbonate. Sperm concentration and motility returned to baseline. Results of a study of a promising new male contraceptive called VasalgelTM were published today in Basic… Read more
Vasalgel given to 16 monkeys resulted in 100% successful contraception — no pregnancies after 1 to 2 years. The results, published in Basic and Clinical Andrology, also showed that Vasalgel was well-tolerated in the monkeys, who had fewer complications than a control group receiving vasectomy. The results are important to the development of Vasalgel as a… Read more
Press Release Monday, Feb. 6, 2017 20:00 EST New contraceptive Vasalgel provides effective birth control in rhesus monkey groups for more than one year: report from California National Primate Research Center Results of a study of Vasalgel in rhesus macaques were published today in Basic and Clinical Andrology. Vasalgel is being developed by a social… Read more
Vasalgel was listed as #5 on the Cracked list of science breakthroughs that might save humanity. This revolutionary male contraceptive has the potential to change population dynamics and provide men with much-needed reproductive control. Vasalgel ranked up there with wireless technology, portable HIV testers, and agricultural gas reduction (by feeding cows seaweed). Check out this fun… Read more
A recent article by Valerie Tarico highlighted the importance of – and interest in – what men think about new contraceptive methods. She cited a small survey conducted by a student intern on attitudes about male contraception. His findings indicated that interest in new contraceptive methods was related to concern for their partner, self-protection from… Read more
Recent test batch challenges scientists We’ve been happy to share our progress with you — and so much has been accomplished this year! But we also have found that research sometimes leads to more questions than answers. One area that has challenged us is that the last test batch of Vasalgel made earlier this year… Read more
A much-anticipated update on the development of RISUG (reversible inhibition of sperm under guidance) was provided by journalist Sohini Chattopadhyay in a recent article in The Wire. We haven’t heard much about the progress of clinical trials in the past few years, but the male contraceptive created in India by Prof. Sujoy Guha is reported to still be… Read more
Monkeys are smart and social, and for humane reasons must be housed together. But how do you house male and female animals in social groups if you don’t want more offspring? It’s a perennial problem for zoos and research centers. (Right now people are trying to cut down on the number of primates used in… Read more
Almost half of men participating in a survey said they would use Vasalgel if it were available. In the study recently published in Cogent Medicine, 146 men in New York with a median age of 24 years were interviewed about their attitudes toward Vasalgel. Aisha King and her colleagues reported that the men were very… Read more
Vasalgel and other new male contraceptives were highlighted in an article in The Telegraph. Written by Aaron Hamlin, the executive director of the Male Contraception Initiative, the piece offers hope that men and their partners will have more and better options for reproductive control in just a few years. The article points out that Vasalgel… Read more