norethindrone

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Related to norethindrone: norethindrone acetate

nor·eth·in·drone

(nôr-ĕth′ĭn-drōn′)

A progestin, C₂₀H₂₆O₂, used (often in acetate form) alone or in combination with estrogen in oral contraceptives, in combination with estrogen in hormone replacement therapy, and for the treatment of endometriosis, abnormal uterine bleeding, and amenorrhea.

[nor- + alteration of ethyn(e) + (an)dr(ostene), a steroid + -one.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

nor•eth•in•drone

(nɔrˈɛθ ɪnˌdroʊn)

n.

a progestin, C₂₀H₂₆O₂, used esp. as an oral contraceptive in combination with an estrogen.

[1960–65; by shortening and alter. of parts of its chemical name]

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Noun

norethindrone - a synthetic progestational hormone (trade name Norlutin) used in oral contraceptives and to treat endometriosis

norethandrolone, norethindrone acetate, Norlutin

Loestrin - trade name for an oral contraceptive containing estradiol and norethindrone

Micronor - trade name for and oral contraceptive containing the progestin compound norethindrone

Modicon - trade name for an oral contraceptive containing estradiol and norethindrone

Norinyl - trade name for an oral contraceptive containing norethindrone and mestranol

Norlestrin - trade name for an oral contraceptive containing estradiol and norethindrone

Nor-Q-D - trade name for an oral contraceptive containing norethindrone

Ovocon - trade name for an oral contraceptive containing estradiol and norethindrone

progestin, progestogen - any of a group of steroid hormones that have the effect of progesterone

Translations

norethindrone

(USAN), norethisterone (INN) n noretindrona, noretisterona (INN)

References in periodicals archive ?

Eligible women are randomized to one of three groups: relugolix combination therapy (relugolix 40 mg plus estradiol 1.0 mg and norethindrone acetate 0.5 mg) for 24 weeks, relugolix 40 mg monotherapy for 12 weeks followed by relugolix combination therapy for an additional 12 weeks, or placebo for a period of 24 weeks.

Myovant Sciences Completes Patient Recruitment for Phase 3 SPIRIT 2 Study Evaluating Relugolix Combination Therapy in Women with Endometriosis

In the present study, the contraceptive agent subtypes used by pregnant women included medroxyprogesterone acetate 5 mg (n=9), estradiol valerate 2 mg+norgestrel 0.5 mg (n=4), ethinyl estradiol 0.03 mg+levonorgestrel 0.15 mg (n=4), ulipristal 30 mg (n=2), medroxyprogesterone acetate 150 mg/ml (n=2), ethinyl estradiol 0.02 mg+gestodene 0.075 mg (n=2), norethisterone enanthate 50 mg+estradiol valerate 5 mg (n=1), desogestrel 75 [micro]g (n=1), progesterone 50 mg/ml (n=1), dydrogesterone 10 mg (n=1), and norethindrone 5 mg (n=1), provided that one woman had used one or more types of agents.

Hormonal Contraceptives: What if Exposed During Pregnancy?

In one observational study, norethindrone acetate 2.5 mg daily and dienogest 2 mg daily had similar efficacy in the treatment of pelvic pain.

Endometriosis is a surgical, not a medical, disease

Results from the second of two Phase two studies indicated at month six that elagolix (300 mg twice daily), in combination with low-dose hormone (add-back) therapy (estradiol 1.0 mg / norethindrone acetate 0.5 mg), decreased heavy menstrual bleeding in women with uterine fibroids.

AbbVie collaboration meets elagolix study Phase 3 endpoint

Administering norethindrone acetate 5-10 mg for 5-10 days will usually lead to bleeding.

The pill: a pediatric perspective

has launched its norethindrone acetate and ethinyl tablets USP, 0.5 mg/0.0025 mg and 1 mg/0.005 mg, the generic version of Warner Chilcott's Fmhrt tablets, used for the prevention of postmenopausal osteoporosis.

Generics approvals hit all-time high in 2015

Wierman takes a three-pronged treatment approach: Regularize menses with a less androgenic oral contraceptive, such as one containing norethindrone, or by using cyclic progesterone; treat hirsutism with spironolactone at 50-100 mg once daily coupled with electrolysis for local control; and consider using short-acting metformin as an insulin-sensitizing agent.

Attack androgens hard in teens with early PCOS

medical centers during a 4-year period were randomly assigned to levo-norgestrel-IUS (285 subjects) or medical therapies (286 subjects) such as mefenamic acid, tranexamic acid, norethindrone, estrogen-progestogen OCs, progesterone-only OCs, medroxyprogesterone acetate injections, or some combination of these.

Levonorgestrel intrauterine system superior for menorrhagia

* norethindrone, norethindrone acetate (first generation)

Which OC would you choose? Test your skills with these 3 cases: in selecting the optimal oral contraceptive for your patient, your experience and the patient's preference should be your guide

Glenmark Generics Inc, US, a subsidiary of Glenmark Generics Ltd, announced on Friday that they have been granted final approval by the US Food and Drug Administration (USFDA) for Norethindrone tablets 0.35mg, their generic version of Micronor tablets by Ortho McNeil Janssen Pharmaceuticals, Inc.

United States : Glenmark Generics gets USFDA approval for Norethindrone

John's wort was tested for its effect on Ortho-Novum 1/35, an OC pill containing ethinyl estradiol and norethindrone. (3) Twelve healthy reproductive-aged women had been using Ortho-Novum for three consecutive menstrual cycles.

Women's health update: St. John's wort and oral contraceptives

She concluded that five drugs were of greatest concern for pregnant women: ethinyl estradiol (a synthetic estrogen), norethindrone (a contraceptive), diazepam (a tranquilizer), invermectin (widely used for parasite control in livestock), and the NSAIDs ibuprofen and diclofenac (antiinflammatory agents).