Norethindrone

This page contains recent news articles, when available, and an overview of Norethindrone but does not offer medical advice. You should contact your physician with regard to any health issues or concerns.


Overview:

Norethindrone
(when available)

Pharmacology and use:
Norethindrone is a synthetic oral progestin. It is used for contraception or to treat such conditions as secondary amenorrhea, abnormal uterine bleeding, and endometriosis. As an oral contraceptive, norethindrone is available as either a single agent or in combination with an estrogen. For use as an oral contraceptive in the prevention of pregnancy.

Mechanism Of Action:
Progestins diffuse freely into target cells and bind to the progesterone receptor. Target cells include the female reproductive tract, the mammary gland, the hypothalamus, and the pituitary. Once bound to the receptor, progestins slow the frequency of release of gonadotropin releasing hormone (GnRH) from the hypothalamus and blunt the pre-ovulatory LH surge.

News Articles on Norethindrone

Benefits of Hormonal Contraception May Extend Beyond Pregnancy Prevention  -  ‎Dec 31, 2009‎
The levonorgestrel intrauterine system appears to be better than cyclical norethindrone for the treatment of heavy bleeding. Cyclic combined OCs decrease ... Medscape

Gilead Sciences Announces Plans for Phase IV Clinical Trial Evaluating First ...  -  ‎Nov 2, 2009‎
...tadalafil, omeprazole (CYP2C19 inhibitor), ketoconazole (strong CYP3A-inhibitor), digoxin, ethinylestradiol or norethindrone have been observed. ... WELT ONLINE

This is a classic article from New Scientist's archive, republished...  -  Nov 18, 2006
The latest, so far unnamed, is reported to be fifty times as active in rabbits as norethindrone, and cheaper to make. The eventual cost, effectiveness and ... New Scientist

Learn about Norethindrone from Consumer Reports Health.  -  Jan 1, 2005
Norethindrone is used to treat endometriosis, a condition in which the type of tissue that lines the uterus (womb) grows in other areas of the body and ... consumerreports.org

… suit over Loestrin 24 Fe.(Loestrin (norethindrone/ethinyl estradiol...  -  Jul 31, 2006
US District Court for the District of New Jersey alleging infringement of its US patent that protects Loestrin (norethindrone/ethinyl estradiol) 24 Fe. ... Free with registration - Pharma Marketletter - AccessMyLibrary.com

How to take Norethindrone from Consumer Reports Health.  -  Jan 1, 2005
...tell your doctor and pharmacist if you are allergic to norethindrone, oral contraceptives ('birth control pills'), or any other medications. ... consumerreports.org

Norethindrone more effective for menses suppression.(POEMs)(Brief …  -  Jul 15, 2006
Clinical Question: Do oral contraceptives containing norethindrone acetate or ... The progestin was 1 mg norethindrone acetate (Loestrin) or 100 mcg ... Free with registration - American Family Physician - AccessMyLibrary.com

… of Ethinyl Estradiol in Women during Treatment with Norethindrone ...  -  Mar 6, 2007
Context: The significance of the conversion of norethindrone acetate ... NORETHINDRONE ACETATE (NET-A) is a synthetic, orally active progestogen used in ... Journal of Clinical Endocrinology and...

Taking Norethindrone from Consumer Reports Health.  -  Jan 1, 2005
Norethindrone may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:. Some side effects can be serious. ... consumerreports.org

Generic norethindrone acetate and ethinyl estradiol for acne vulgaris....  -  Feb 1, 2008
The FDA has recently granted approval for the first generic formulations of norethindrone acetate and ethinyl estradiol tablets (28 day and 21 day) in 1 ... Free with registration - Journal of Drugs in Dermatology - AccessMyLibrary.com

ESTROGEN AND PROGESTIN COMBINATION (OVARIAN HORMONE …  -  May 1, 2007
Adults -- Oral, 1 mg estradiol and 0.5 mg norethindrone once daily. * Adults -- Oral, 1 mg estradiol and 0.5 mg norethindrone once daily. ... Free with registration - USP DI-Volume II, Advice for the... - AccessMyLibrary.com

Norethindrone more effective for menses suppression.(POEMs)(Brief …  -  Jul 15, 2006
Clinical Question: Do oral contraceptives containing norethindrone acetate or levonorgestrel differ in their effect on suppression of menses with continuous ... $4.95 - American Family Physician - ECNext

Low-Dose Combination Oral Contraceptives Protect Against Ovarian …  -  Mar 9, 2007
The researchers also evaluated the relationship between use of a single progestin, norethindrone, and ovarian cancer risk among 76 cases and 129 controls. ... Cancerpage.com

… of Combined Estradiol and Norethindrone Therapy on Visuospatial …  -  Aug 8, 2006
Yolanda R. Smith MD, MS * , Tiffany Love BS, Carol C. Persad PhD, Anne Tkaczyk MS, Thomas E. Nichols PhD, and Jon-Kar Zubieta MD, PhD ... Journal of Clinical Endocrinology and...

… Code - 77 Ill. Adm. Code 790.5924 MESTRANOL; NORETHINDRONE ( …  -  Aug 10, 2005
77 Ill. Adm. Code 790.5924 MESTRANOL; NORETHINDRONE (Repealed) Repealed. (Source: Repealed at 17 Ill. Reg. 15916, effective September 20, 1993) ... Pay-Per-View - Illinois Administrative Code - Loislaw

Norethindrone More Effective for Menses Suppression - July 15, 2006 -...  -  Jul 15, 2006
Vesicoureteral reflux (VUR) is associated with urinary tract infections (UTI) in children and often is assumed to predispose them to recurrent urinary ... AAFP News Now

… Administrative Code - 77 Ill. Adm. Code 790.6700 NORETHINDRONE …  -  Aug 10, 2005
77 Ill. Adm. Code 790.6700 NORETHINDRONE ACETATE (Repealed) Repealed. (Source: Repealed at 17 Ill. Reg. 15916, effective September 20, 1993) ... Pay-Per-View - Illinois Administrative Code - Loislaw

… - 77 Ill. Adm. Code 790.3907 ETHINYL ESTRADIOL; NORETHINDRONE  -  Aug 10, 2005
77 Ill. Adm. Code 790.3907 ETHINYL ESTRADIOL; NORETHINDRONE Repealed. (Source: Repealed at 16 Ill. Reg. 15916, effective September 20, 1993) ... Pay-Per-View - Illinois Administrative Code - Loislaw

Warner Chilcott Announces Approval of Low-Dose femhrt® 0.5 mg/2.5 …  -  Jan 17, 2005
The new dosage will be 0.5 mg of norethindrone acetate and 2.5 mcg of ethinyl estradiol. This new lower dose is half the dose of the currently marketed ... DG News

NovaMed Inc acquires Physicians Surgical Center LP - Deal Snapshot - ...  -  Dec 2, 2008
Trachomatis Infections M ## Ortho - Novam #/## (norethindrone and ethinyl… JOHNSON & JOHNSON - DETAILED PRODUCT PIPELINE · JOHNSON & JOHNSON - DETAILED ... Pay-Per-View - deals - Alacra Store

Did a drug interaction cause this pregnancy?  -  Jul 13, 2007
Since the patient had testified that she took the norethindrone and ethinyl estradiol every day and other causes had been eliminated, the carbamazepine was ... Cortlandt Forum

Scientist George Rosenkranz; Innovate: His determination helped...  -  Aug 8, 2005
A few months later, its research team created the synthetic, or man-made, hormone norethindrone. Originally envisioned as a way to help prevent miscarriages ... Pay-Per-View - Investor's Business Daily - Factiva, from Dow Jones

Federal Register 2007 - 72 FR 28981 Determination That ESTROSTEP …  -  May 23, 2007
ESTROSTEP 21 (ethinyl estradiol and norethindrone acetate) tablets, 0.02 mg/l mg, 0.03 mg/l mg, and 0.035 mg/l mg, are the subject of approved NDA 20-130 ... Pay-Per-View - Federal Register 2007 - Loislaw

Progestin-only pills: Where do they fit in?  -  Jan 1, 2006
Mini-pill options available in the United States include Ortho Micronor (0.35 mg norethindrone, Ortho-McNeil Pharmaceuticals, Raritan, NJ), Nor-QD (0.35 mg ... Free with registration - Contraceptive Technology Update - AccessMyLibrary.com

Darunavir: negative interactions with Kaletra, Viagra and contraceptiv...  -  Oct 2, 2006
Pharmacokinetic profiles of ethinyl estradiol and norethindrone were obtained at ... Pharmacokinetic interaction between ethinyl estradiol,norethindrone and ... Aidsmap

Estrogens and Progestins Oral Contraceptives (Systemic ).  -  Oct 27, 2005
Norethindrone Acetate and Ethinyl Estradiol (nor-eth-IN-drone AS-e-tate and ... For information about norethindrone (eg, Micronor) or norgestrel (eg, ... Free with registration - USP DI-Volume II, Advice for the... - AccessMyLibrary.com

Warner Chilcott, Inc. - Company Snapshot - AlacraStore.com  -  Dec 10, 2008
This generic version of Warner Chilcott's oral contraceptive Estrostep Fe (norethindrone acetate and ethinyl estradiol tablets… ... Pay-Per-View - co - Alacra Store

The Pill  -  Jan 5, 2007
The first oral contraceptive pill, the progestin norethindrone, ... "The fact that norethindrone is still being consumed by millions of women is one of the ... BBC News

Menopause; Scientists at University of Michigan, Department of...  -  Dec 4, 2006
2006 DEC 4 - (NewsRx.com) -- Investigators publish new data in the report "Impact of combined estradiol and norethindrone therapy on visuospatial working ... Pay-Per-View - OBGYN & Reproduction Week - Factiva, from Dow Jones

Data Show Low Incidence Of Breakthrough Bleeding With ORTHO TRI- …  -  May 10, 2007
The study evaluated the incidence of breakthrough bleeding and spotting in 1506 women using ORTHO TRI-CYCLEN LO versus 1057 women using norethindrone ... Medical News Today - Medical News Today (press release)

Lowest-dose birth control pills provide the greatest ovarian cancer …  -  Jun 1, 2007
A final set of analyses examined the ovarian cancer risk in relation to ever-use of monophasic pills containing the progestin norethindrone. ... Free with registration - International Family Planning Perspectiv... - AccessMyLibrary.com

Press Release: How Have New Oral Contraceptives Changed the …  -  Nov 6, 2008
NORETHINDRONE Acetate--Watson Pharmaceuticals, Inc. has received FDA approval for two new oral contraceptives, Microgestin Fe 1.5/30 tablets (norethindrone ... Pay-Per-View - M2 Presswire - HighBeam Research

Ovarian cancer protection from oral contraceptives is greatest with...  -  Sep 1, 2007
A final set of analyses examined the ovarian cancer risk in relation to ever-use of monophasic pills containing the progestin norethindrone. ... Free with registration - Perspectives on Sexual and Reproductive... - AccessMyLibrary.com

Progestins --For Noncontraceptive Use (Systemic).  -  Oct 27, 2005
Norethindrone (nor-eth-IN-drone) 6. Progesterone ( proe-JES-ter-one)(***) ... For norethindrone For (oral) dosage form (tablets): ... Free with registration - USP DI-Volume II, Advice for the... - AccessMyLibrary.com

Ortho Celebrates 75 Years of Partnering With Women.  -  Jul 25, 2006
Nursing mothers became the first beneficiaries with the introduction of ORTHO MICRONOR(R) (norethindrone), the first progestin-only birth control pill ... Free with registration - PR Newswire - AccessMyLibrary.com

Medical News: Alternative Medicine  -  Apr 5, 2006
The volunteers received a combination oral contraceptive consisting of ethinylestradiol and norethindrone for three months, and 300 mg of St. John's wort ... MedPage Today

FDA Safety Labeling Changes: CombiPatch, Antidepressants  -  Mar 23, 2005
The estradiol/norethindrone patch is indicated for the treatment of moderate to severe vasomotor symptoms and vulvar and vaginal atrophy associated with ... Medscape

Press Release: Barr Confirms Filing an Application With a Paragraph...  -  Aug 15, 2007
Loestrin 24 Fe and Femcon Fe (norethindrone, ethinyl ... ... This 28-day regimen contains 21 tablets of norethindrone and ethinyl estradiol, followed by 7 ... Pay-Per-View - PR Newswire - HighBeam Research

FDA Safety Labeling Changes: Activella, Duramorph PF, Nutropin  -  Sep 7, 2005
Estradiol/norethindrone acetate is indicated for the treatment of moderate to severe symptoms of vulvovaginal atrophy associated with menopause and for the ... Medscape

Treatment of vasomotor symptoms: options for clinicians and their...  -  Jan 1, 2008
Other agents include norethindrone (0.35 mg/d), norethindrone acetate (NETA; 0.1 to 1.0 mg/d), norgestrel (0.075 mg/d), micronized progesterone (100 to 200 ... Free with registration - Journal of Family Practice - AccessMyLibrary.com

FDA Approvals: Femhrt, Niravam, Abilify Oral Solution, Equetro  -  Jan 27, 2005
14, the FDA approved a low-dose formulation of norethindrone acetate plus ethinyl estradiol (Femhrt 0.5-mg/2.5-µg, made by Warner Chilcott Company, ... Medscape

First And Only Chewable Birth Control Pill Now Available  -  Dec 8, 2006
Femcon Fe contains the same active ingredients as found in other combination oral contraceptives -- a progestin, norethindrone 0.4 mg, and an estrogen, ... Medical News Today - Medical News Today (press release)

Merger and Acquisition Scenario  -  Jan 26, 2008
Estrostep Fe (Norethindrone Acetate/Ethinyl Estradiol). Lesion/Scaling Disorders. Psoriasis. Vitamin D Analogs. Therapeutics that treat psoriasis by ... $250.00 - Revere Reports - Revere

Article: New dosage of femhrt approved.(products)(Brief Article)( …  -  Jul 1, 2005
A new dosage regimen of the medication femhrt 0.5 mg/2.5 mcg (norethindrone acetate/ethinyl estradiol) has been approved. The drug can be used to treat ... Pay-Per-View - Family Practice News - HighBeam Research

Press Release: Explore Marketing Budgets for 9 Brands Throughout...  -  Apr 8, 2008
Currently Marketed OCs OC Brand Ethinyl estradiol (mcg) Progestin (mg) LOESTRIN(R) 1/20 20 1 (1 mg norethindrone acetate and 20 mcg ethinyl estradiol . ... Pay-Per-View - M2 Presswire - HighBeam Research

Merger and Acquisition Scenario  -  Jul 26, 2008
Doryx (Doxycycline Hyclate Delayed Release); Estrostep Fe (Norethindrone Acetate/Ethinyl ... Estrostep Fe (Norethindrone Acetate/Ethinyl Estradiol) ... $250.00 - Revere Reports - Revere

Merger and Acquisition Scenario  -  Aug 16, 2008
Doryx (Doxycycline Hyclate Delayed Release); Estrostep Fe (Norethindrone Acetate/Ethinyl ... Estrostep Fe (Norethindrone Acetate/Ethinyl Estradiol) ... $250.00 - Revere Reports - Revere

Low-dose OCs may impair teen bone health.(Women's Health)(oral …  -  Jul 1, 2007
5 received a combination oral contraceptive with 20 mcg of ethinyl estradiol and 1 mg of norethindrone acetate for 12 months and 7 received one with 35 ... Free with registration - Family Practice News - AccessMyLibrary.com

Merger and Acquisition Scenario  -  Nov 29, 2008
Doryx (Doxycycline Hyclate Delayed Release); Estrostep Fe (Norethindrone Acetate/Ethinyl ... Estrostep Fe (Norethindrone Acetate/Ethinyl Estradiol) ... $250.00 - Revere Reports - Revere

Low rate of breakthrough bleeds with Ortho Tri-Cyclen LO.  -  May 14, 2007
Based on this analysis, a lower incidence of breakthrough bleeding and spotting was observed for women using Ortho versus norethindrone acetate/ethinyl ... Free with registration - Pharma Marketletter - AccessMyLibrary.com

Merger and Acquisition Scenario  -  Nov 22, 2008
Doryx (Doxycycline Hyclate Delayed Release); Estrostep Fe (Norethindrone Acetate/Ethinyl ... Estrostep Fe (Norethindrone Acetate/Ethinyl Estradiol) ... $250.00 - Revere Reports - Revere

Estrogens and Progestins (Ovarian Hormone Therapy) (Systemic).(Drug …  -  Aug 1, 2006
Estradiol and norethindrone(es-tra-DYE-ole and nor-eth-IN-drone). (s.)Generic name product may be available in Canada. Estrogens ES-troe-jenz and progestins ... Free with registration - USP DI-Volume II, Advice for the... - AccessMyLibrary.com

How does HIV therapy affect hormonal contraception?  -  Jun 22, 2007
One study showed a 29 percent decrease in levels of ethinyl estradiol and an 18 percent decrease in levels of norethindrone in women taking nevirapine while ... Free with registration - Network - AccessMyLibrary.com

Press Release: Breckenridge Announces Approval of Generic Activella(R...  -  Apr 18, 2008
Estradiol/Norethindrone Acetate Tablets are AB rated to Activella(R), a brand product marketed by Novo Nordisk(R), which is used as a treatment for moderate ... Pay-Per-View - PR Newswire - HighBeam Research

Estrogens (Systemic).  -  Jul 28, 2005
For ethinyl estradiol and norethindrone For (oral) dosage form (tablets) ... Adults -- 1 tablet (5 mcg ethinyl estradiol and 1 mg of norethindrone) each day ... Free with registration - USP DI-Volume II, Advice for the... - AccessMyLibrary.com

Effects of Contraception on Bone Mineral Density  -  Mar 1, 2005
Women using norethindrone showed no significant change in bone mineral density over the two years. Women in the control group had a gain of 2.6 percent in ... AAFP News Now

Abnormal Uterine Bleeding: A Case Study of Menorrhagia  -  Jan 11, 2005
Her medications included: norethindrone/ ethinyl estradiol (Ortho- Novum 7/7/7), ... AZ believed that because she was taking norethindrone/ethinyl estradiol ... RedOrbit

Article: Tizanidine contraindicated for use with Luvox, Cipro.(Neurolo...  -  Aug 1, 2007
...and Drug Administration (FDA) has approved its applications to manufacture and market generic versions of the two norethindrone-containing, progestin . ... Pay-Per-View - Internal Medicine News - HighBeam Research

Article: 1st Chewable Contraceptive on Market - AP Online | HighBeam ...  -  Dec 7, 2006
Loestrin 24 Fe and Femcon Fe (norethindrone, ethinyl ... ... This 28-day regimen contains 21 tablets of norethindrone and ethinyl estradiol, followed by 7 ... Pay-Per-View - Associated Press/AP Online - HighBeam Research

Press Release: First and Only Chewable Birth Control Pill Now...  -  Dec 7, 2006
Femcon Fe contains the same active ingredients as found in other combination oral contraceptives -- a progestin, norethindrone 0.4 mg, and an estrogen, ... Pay-Per-View - PR Newswire - HighBeam Research

Merger and Acquisition Scenario  -  Apr 7, 2007
Estrostep Fe (Norethindrone Acetate/Ethinyl Estradiol). Lesion/Scaling Disorders. Psoriasis. Vitamin D Analogs. Therapeutics that treat psoriasis by ... $250.00 - Revere Reports - Revere

ABOUT TARA PARKER-POPE  -  May 9, 2006
It's a small patch a woman places on her abdomen that delivers estradiol and norethindrone acetate into her body. Estradiol is a form of estrogen and ... Subscription - Wall Street Journal Online - Dow Jones & Company

FDA adds warning on contraceptive patch.(News) | Article from Family ...  -  Dec 15, 2005
Ortho Tri-Cyclen (norgestimate / ethinyl estradiol) and Estrostep (norethindrone acetate/ethinyl estradiol) have been approved by the Food ... of treatment. ... Pay-Per-View - Family Practice News - HighBeam Research

Zenchent.(NEW GENERICS)(Brief article)  -  Mar 5, 2007
This oral contraceptive has 21 active pills, (each with 0.4 mg norethindrone/35 mcg ethinyl estradiol) and seven inactive. ... $4.95 - Drug Topics - ECNext

Enhanced selectivity for steroids: HPLC stationary phase for unsaturat...  -  Nov 1, 2005
The C18 phase resolves beta-estradiol and ethynyl estradiol, which have differing functional groups, but cannot resolve ethynyl estradiol and norethindrone, ... Pay-Per-View - Laboratory Equipment - HighBeam Research

The demise of 21/7 contraceptive regimens.(EXPERT COMMENTARY) | …  -  Jan 15, 2007
Ortho Tri-Cyclen (norgestimate / ethinyl estradiol) and Estrostep (norethindrone acetate/ethinyl estradiol) have been approved by the Food ... of treatment. ... Pay-Per-View - Family Practice News - HighBeam Research

Merger and Acquisition Scenario  -  Sep 23, 2006
Estrostep Fe (Norethindrone Acetate/Ethinyl Estradiol). Lesion/Scaling Disorders. Psoriasis. Vitamin D Analogs. Therapeutics that treat psoriasis by ... $250.00 - Revere Reports - Revere

Top 10 drugs mentioned by ob.gyns. in 2004.(table)(obstetrician- …  -  Jun 1, 2005
FDA estradiol approval for acne. Contains 35 [micro]g (Ortho Tri-Cyclen) of estrogen. Generally well tolerated. norethindrone ... ... Pay-Per-View - OB GYN News - HighBeam Research

Press Release: Barr's Generic Version of Estrostep(R) Fe Tablets …  -  Oct 26, 2007
Estrostep Fe is indicated for the prevention of pregnancy ... sales of approximately $57 million. Estrostep Fe is a combination of Norethindrone Acetate ... ... Pay-Per-View - PR Newswire - HighBeam Research

Merger and Acquisition Scenario  -  Jun 30, 2007
Estrostep Fe (Norethindrone Acetate/Ethinyl Estradiol). Lesion/Scaling Disorders. Psoriasis. Vitamin D Analogs. Therapeutics that treat psoriasis by ... $250.00 - Revere Reports - Revere

Drug Delivery; Preclinical results with transdermal drug technology …  -  Jun 20, 2005
The two hormone candidates are NX-200, norethindrone for female hormone replacement and NX-201, ethinyl estradiol, which when combined with norethindrone, ... Pay-Per-View - Health & Medicine Week - Factiva, from Dow Jones

Article: HTA stops uterine hemorrhage due to fibroids.(Gynecology)  -  Nov 1, 2005
Medical therapy with GnRH agonists and later with norethindrone acetate had ... "I've always used norethindrone acetate as the one stopgap that could stop ... Pay-Per-View - OB GYN News - HighBeam Research

Merger and Acquisition Scenario  -  Sep 23, 2006
Doryx (Doxycycline Hyclate); Estrostep Fe (Norethindrone Acetate/Ethinyl Estradiol) ... Estrostep Fe (Norethindrone Acetate/Ethinyl Estradiol) ... $250.00 - Revere Reports - Revere

Article: Drugmaker Makes Chewable Contraceptive - AP Online | …  -  Dec 7, 2006
Loestrin 24 Fe and Femcon Fe (norethindrone, ethinyl ... ... This 28-day regimen contains 21 tablets of norethindrone and ethinyl estradiol, followed by 7 ... Pay-Per-View - Associated Press/AP Online - HighBeam Research

Zenchent.  -  Mar 5, 2007
This oral contraceptive has 21 active pills, (each with 0.4 mg norethindrone/35 mcg ethinyl estradiol) and seven inactive. ... $9.94 - Drug Topics - Alacra Store

Article: Correction: Dec. 8 Contraceptive Story - AP Online |...  -  Dec 10, 2006
Loestrin 24 Fe and Femcon Fe (norethindrone, ethinyl ... ... This 28-day regimen contains 21 tablets of norethindrone and ethinyl estradiol, followed by 7 ... Pay-Per-View - Associated Press/AP Online - HighBeam Research

Article: Drugmaker Makes Chewable Contraceptive - AP Online | …  -  Dec 7, 2006
Loestrin 24 Fe and Femcon Fe (norethindrone, ethinyl ... ... This 28-day regimen contains 21 tablets of norethindrone and ethinyl estradiol, followed by 7 ... Pay-Per-View - Associated Press/AP Online - HighBeam Research

New Warner Chilcott posts 1st-qtr loss.(Warner Chilcott Holdings)  -  Jul 11, 2005
Strong sales of key products, namely the norethindrone/ ethinyl estradiol-based oral contraceptives Ovcon (+$5.4 million, +30.8%) and Estrostep (+$3.3 ... $4.95 - Pharma Marketletter - ECNext

Article: Drugmaker Makes Chewable Contraceptive - AP Online | …  -  Dec 8, 2006
Loestrin 24 Fe and Femcon Fe (norethindrone, ethinyl ... ... This 28-day regimen contains 21 tablets of norethindrone and ethinyl estradiol, followed by 7 ... Pay-Per-View - Associated Press/AP Online - HighBeam Research

Merger and Acquisition Scenario  -  May 19, 2007
Doryx (Doxycycline Hyclate); Estrostep Fe (Norethindrone Acetate/Ethinyl Estradiol) ... Target Products:. Estrostep Fe (Norethindrone Acetate/Ethinyl Estradiol) $250.00 - Revere Reports - Revere

Merger and Acquisition Scenario  -  Jun 23, 2007
Doryx (Doxycycline Hyclate); Estrostep Fe (Norethindrone Acetate/Ethinyl Estradiol) ... Estrostep Fe (Norethindrone Acetate/Ethinyl Estradiol) ... $250.00 - Revere Reports - Revere

Lowest-dose OCs may affect teen bone health.(Clinical Rounds)(oral …  -  Jul 1, 2007
Of 12 girls aged 12-18 years included in the study, 5 received a combination oral contraceptive with 20 mcg of ethinyl estradiol and 1 mg of norethindrone ... Pay-Per-View - Pediatric News - HighBeam Research

Press Release: Novavax Announces Positive Pre-Clinical Results. - PR ...  -  May 24, 2005
The two hormone candidates are NX-200, norethindrone for female hormone replacement and NX-201, ethinyl estradiol, which when combined with norethindrone, ... Pay-Per-View - PR Newswire - HighBeam Research

Merger and Acquisition Scenario  -  Jun 16, 2007
Estrostep Fe (Norethindrone Acetate/Ethinyl Estradiol). Lesion/Scaling Disorders. Psoriasis. Vitamin D Analogs. Therapeutics that treat psoriasis by ... $250.00 - Revere Reports - Revere

Article: Drugmaker Makes Chewable Contraceptive - AP Online | …  -  Dec 7, 2006
Loestrin 24 Fe and Femcon Fe (norethindrone, ethinyl ... ... This 28-day regimen contains 21 tablets of norethindrone and ethinyl estradiol, followed by 7 ... Pay-Per-View - Associated Press/AP Online - HighBeam Research

Novavax Announces Positive Pre-Clinical Results.  -  May 24, 2005
The two hormone candidates are NX-200, norethindrone for female hormone replacement and NX-201, ethinyl estradiol, which when combined with norethindrone, ... $4.95 - PR Newswire - ECNext

Press Release: Warner Chilcott Announces Approval of Low-Dose femhrt(...  -  Jan 17, 2005
The new dosage will be 0.5 mg of norethindrone acetate and 2.5 mcg of ethinyl estradiol. This new lower dose is half the dose of the currently marketed ... Pay-Per-View - PR Newswire - HighBeam Research

Article: Drugmaker Makes Chewable Contraceptive - AP Online | …  -  Dec 8, 2006
Loestrin 24 Fe and Femcon Fe (norethindrone, ethinyl ... ... This 28-day regimen contains 21 tablets of norethindrone and ethinyl estradiol, followed by 7 ... Pay-Per-View - Associated Press/AP Online - HighBeam Research

In acne therapy hormonal therapy plays role as adjunct.  -  Nov 1, 2006
Currently, Estrostep (norethindrone acetate/ethinyl estradiol, Pfizer) and Ortho Tri-Cyclen (norgestimate/ethinyl estradiol, Ortho McNeil) are the only ... $4.95 - Dermatology Times - ECNext

Petition seeks ban on desogestrel; blood clots cited  -  Feb 7, 2007
Older pills contain norgestrel, levonorgestrel or norethindrone instead of desogestrel. All four are progestins. Contraceptives containing desogestrel were ... USA Today

Menstrual Periods - Heavy, Prolonged, or Irregular  -  Dec 12, 2008
There are many different progestins, but common types include levonorgestrol, drospirenone, norgestrol, norethindrone, and desogestrel. ... New York Times

Dysmenorrhea in the Adolescent - Overview - NY Times Health  -  Nov 20, 2008
Purpose: To determine whether the combination oral contraceptive pill norethindrone and ethinyl estradiol is effective in treating dysmenorrhea associated ... New York Times

Oral Contraception and Combination Hormonal Methods  -  Dec 31, 2008
Norethindrone is used in Loestrin and Loestrin 24 Fe (which adds iron supplements to the placebo pills). Norgestrel is used in various generic and brand ... New York Times

Bloomberg Printer-Friendly Page  -  Oct 26, 2007
Inc.'s Estrostep(R) Fe (norethindrone acetate and ethinyl estradiol tablets, USP and ferrous fumarate tablets) oral contraceptive product. ... Bloomberg

Children without sex is what the future holds, claims inventor of the...  -  Jun 1, 2007
History was made in a small laboratory in Mexico City on October 15, 1951, when he synthesised norethindrone, the first oral contraceptive, ... Daily Mail

Concern about grapefruit and estrogen pills  -  Mar 25, 2008
A: Activella is an estradiol-norethindrone combination prescribed for menopausal symptoms. Estradiol is the estrogen component. ... San Diego Union - Tribune - San Diego Union Tribune

Reyataz Oral : Uses, Side Effects, Interactions, Pictures, Warnings &...  -  Sep 30, 2008
Nor-QD (norethindrone) US prescribing information. WatsonPharma March, 2005. 11.Ouellet D, Hsu A, Qian J, Locke CS, Eason CJ, Cavanaugh JH, Leonard JM, ... WebMD

Male pill possible but unlikely, doctor says  -  Feb 24, 2006
In 1951 he led a research team which completed the synthesis of norethindrone, later to become the active component of the birth control pill, while working ... Independent Online

调整月ç»?期的方法  -  Jun 22, 2005
...(2)推迟�期到�的方法:①�孕Ⅰ�(�方炔诺酮片,Norethindrone)或Ⅱ�短效�� �孕�自月�第5天开妈,�日2片连�2周,第3周起增�至�日4片;②妇康片(炔诺 ... 央视国际

Meijer, Inc. v. Warner Chilcott Holdings Co. III, Ltd., No. 05-2195...  -  Oct 22, 2007
...[15], Ovcon 35 is an oral contraceptive containing the formulation 0.035 mg of ethinyl estradiol and 0.4 mg norethindrone, which has been available to the ... $2.95 - U.S. District Court, District of... - VersusLaw

Oral contraceptive pill may prevent more than pregnancy  -  Jan 3, 2006
By providing a potent synthetic estrogen (ethinyl estradiol) and a potent synthetic progesterone (for example – norethindrone), highly effective ... eurekalert.org

Dan's slice of wry: 09-26-08  -  Sep 26, 2008
At closing time that evening, a woman came in and handed the pharmacist a prescription for norethindrone birth control pills. ... Inland Valley Daily Bulletin

Brand Names/Synonyms:
Norethindrone is also known by the following brand names and/or synonymsAnhydrohydroxynorprogesterone; Anovulatorio; Anovule; Aygestin; Binovum; Brevicon; Brevinor; Brevinor 21; Brevinor 28; Brevinor-1 21; Brevinor-1 28; CCRIS 484; Camila; Ciclovulan; Conceplan; Conludaf; Conludag; Demulen; ENT; Errin; Estrinor; Ethinylnortestosterone; Ethynylmortestosterone; Ethynylnortestosterone; Gencept; Genora; Gestest; HSDB 3370; Jenest; Jenest-28; Levlen; Loestrin; Menzol; Microneth; Micronett; Micronor; Micronovum; Milli; Mini-Pe; Mini-Pill; Minovlar; Modicon; N.E.E.; NET; NSC-9564; Necon; Nelova; Neocon; Nodiol; Nor-Q.D.; Nor-Qd; Noraethisteronum; Noralutin; Norcept; Norcept-E; Norcolut; Nordette; Noresthisterone; Norethadrone; Norethin; Norethin 1/35 E; Norethin 1/50 M; Norethindrone; Norethindrone Acetate; Norethindrone Norethisterone; Norethisteron; Norethisterone; Norethisterone [Progestins]; Norethisteronum [Inn-Latin]; Norethyndron; Norethynodron; Norethynodrone; Noretisterona [Inn-Spanish]; Noretisterone [Dcit]; Norfor; Norgestin; Noriday; Noriday 28; Norimin; Norinyl; Norlestrin; Norlutate; Norluten; Norlutin; Norluton; Normapause; Norpregneninlone; Norpregneninolone; Norpregneninotone; Orlest; Ortho 1 35; Ortho 7 7 7; Ortho-Novum; Ortho-Novum 1 35; Ortho-Novum 1 50; Ortho-Novum 7 7 7; Ovcon; Ovral; Ovrette; Ovysmen; Ovysmen 0.5 35; Ovysmen 1 35; Palonyl; Perovex; Primolut N; Primolut-N; Proluteasi; SC 4640; Synphase; Synphasic 28; Tri-Levlen; Tri-Norinyl; Triella; Trinovum; Trinovum 21; Utovlan; Utovlar

Drug Category:
Norethindrone is categorized under the following by the FDA: Contraceptives, Oral, Synthetic; Progestins; ATC:G03CA

Dosage Forms:
TABLET

Absorption:
Absolute oral bioavailability approximately 64%

Interactions:
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Chemical IUPAC Name:
17-ethynyl-17-hydroxy-13-methyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one





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