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Breakthrough Male Birth Control Pill Passes Safety Test in Early Clinical Trial

UNITED STATES, JUL 22 – The nonhormonal pill YCT-529 showed no serious side effects in 16 men, marking a key step toward male contraceptive options beyond condoms and vasectomy, researchers said.

  • In the first human trial, researchers deemed YCT-529 safe, with no significant side effects, as published Tuesday in Communications Medicine.
  • Earlier this year, Gunda Georg, professor in University of Minnesota College of Pharmacy, highlighted that `it will allow a more equitable sharing of responsibility for family planning and provide reproductive autonomy for men,` prompting development of this contraceptive.
  • The trial enrolled 16 healthy male volunteers aged 32 to 59, administering single oral doses of 10mg to 180mg, blocking a vitamin A metabolite receptor in the testes.
  • Following the phase 1 findings, study authors wrote, that a second trial with 28- and 90-day dosing is planned to study safety and sperm changes.
  • Long-Term, this collaboration between University of Minnesota, Columbia University, and YourChoice Therapeutics could revolutionize male birth control options if approved.
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YCT-529 is a big step towards a contraceptive pill for men. Passing its first human test is a good start. This pill will not only give men equal responsibility in family planning, but will also provide relief to women. This can be a revolutionary step for countries like India.

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Scientific American broke the news in on Tuesday, July 22, 2025.
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