Estradiol/norethisterone acetate
pharmaceutical combination

Estradiol/norethisterone acetate (E2/NETA), sold under the brand name Activella among others, is a combination of estradiol (E2) and norethisterone acetate (NETA) which is used in the treatment of vasomotor symptoms, vulvar and vaginal atrophy, and osteoporosis associated with menopause. Activella specifically is marketed by Novo Nordisk and is supplied as film-coated tablets containing 1 mg estradiol and 0.5 mg norethisterone acetate. CombiPatch is a combination of estradiol and NETA provided as a transdermal patch.
The public source identifies “Estradiol/norethisterone acetate” as pharmaceutical combination. This brief keeps that definition visible, then builds a research path around Estradiol, norethisterone and acetate.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated May 29, 2025. The linked authority identifier is Q4677600. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “Estradiol/norethisterone acetate” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.