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The mifepristone-misoprostol combination is, by far, the most recommended drug regimen for medical abortions, but other drug combinations are available. Misoprostol alone, without mifepristone, may be used in some circumstances for medical abortion, and has even been demonstrated to be successful in the second trimester. [ 37 ]
Mifepristone, and also known by its developmental code name RU-486, is a drug typically used in combination with misoprostol to bring about a medical abortion during pregnancy. [8] This combination is 97% effective [ 9 ] during the first 63 days (9 weeks) of pregnancy , yet effective in the second trimester as well.
Misoprostol is used for the prevention of NSAID-induced gastric ulcers.It acts upon gastric parietal cells, inhibiting the secretion of gastric acid by G-protein coupled receptor-mediated inhibition of adenylate cyclase, which leads to decreased intracellular cyclic AMP levels and decreased proton pump activity at the apical surface of the parietal cell.
The Supreme Court hears arguments on whether to maintain access to abortion pill mifepristone as it weighs a high-stakes challenge to the FDA's drug approval process.
In a blow for anti-abortion advocates, the Supreme Court on Thursday rejected a challenge to the abortion pill mifepristone, meaning the commonly used drug can remain widely available.. The court ...
Mifepristone is used as part of a two-drug FDA-approved regimen that is now the most common form of abortion in the United States. Abortion is effectively banned altogether in 14 states, according ...
In 2000, GenBioPro's generic version of mifepristone was approved for medication abortion, as part of a two-drug regimen in combination with misoprostol. In 2023, GenBioPro sued the FDA to obtain a legal judgement confirming that mifepristone could continue to be sold, in spite of anti-abortion laws passed in some states.
Food and Drug Administration v. Alliance for Hippocratic Medicine, 602 U.S. 367 (2024), was a United States Supreme Court case to challenge the U.S. Food and Drug Administration (FDA)'s approval of mifepristone, a drug frequently used in medical abortion procedures.