“Scientists are still racing to create the first male contraceptive that isn’t a condom or surgery. In new preliminary research, a team says they’ve developed a non-hormonal form of male birth control, one that kept lab mice sterile for four to six weeks with seemingly no side effects. Early human trials of the pill are expected to begin by the end of the year.”
-Ed Cara, “A Birth Control Pill for Men Could Start Human Trials This Year.” Gizmodo. March 23, 2022.
Given how long it has taken, “racing” seems like the wrong verb. But, failing this, there’s always castration or since the NCAA basketball tournament is this week, Vasectomy Mayhem. People are delightfully weird.
cafebedouin.org 
Waaay back in the day (Summer 00), I conducted research as an intern with a group that was trying to develop a male contraceptive “vaccine”. Technically, the group had it developed in mice, but could not turn it off. Let’s say that summer a learned A LOT about sperm.