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Genomes and Genes | levonorgestrelSummarySummary: A synthetic progestational hormone with actions similar to those of PROGESTERONE and about twice as potent as its racemic or (+-)-isomer (NORGESTREL). It is used for contraception, control of menstrual disorders, and treatment of endometriosis. Top Publications
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Publications
Levonorgestrel-releasing intrauterine system: uses and controversiesLuis Bahamondes
Department of Obstetrics and Gynecology, School of Medicine, University of Campinas, Caixa Postal 6181, Campinas, SP, Brazil
Expert Rev Med Devices 5:437-45. 2008This article provides a perspective on the use of the levonorgestrel-releasing intrauterine system as a contraceptive method and as therapy in different situations, as well as presenting the corresponding controversies and unresolved ..
Bleeding pattern and cycle control with an estradiol-based oral contraceptive: a seven-cycle, randomized comparative trial of estradiol valerate/dienogest and ethinyl estradiol/levonorgestrelHans Joachim Ahrendt
Gynekologická a Porodnická Ambulance, Prague, Czech Republic
Contraception 80:436-44. 2009..E2V/DNG; administered using a dynamic dosing regimen) with a monophasic OC containing ethinyl estradiol 20 mcg/levonorgestrel 100 mcg (EE/LNG). E2V releases estradiol (E2), which is identical to endogenously produced 17beta-estradiol.
The evaluation of the effectiveness of an intrauterine-administered progestogen (levonorgestrel) in the symptomatic treatment of endometriosis and in the staging of the diseaseF B Lockhat
Department of Obstetrics and Gynaecology, Robert Kilpatrick Clinical Sciences Building, Leicester Royal Infirmary, Leicester LE2 7LX, UK
Hum Reprod 19:179-84. 2004..A progestogen (levonorgestrel) administered via an intrauterine system (Lng-IUS) has been demonstrated to improve symptoms of endometriosis; ..
Risk of nonfatal venous thromboembolism with oral contraceptives containing norgestimate or desogestrel compared with oral contraceptives containing levonorgestrelSusan S Jick
Boston Collaborative Drug Surveillance Program, Boston University School of Medicine, Lexington, MA 02421, USA
Contraception 73:566-70. 2006..have about twice the risk for venous thromboembolism (VTE) compared to users of older OCs containing levonorgestrel. Estimates of the risk for VTE among users of norgestimate-containing OCs compared to other OCs, however, are ..
Ulipristal acetate versus levonorgestrel for emergency contraception: a randomised non-inferiority trial and meta-analysisAnna F Glasier
National Health Service Lothian, Edinburgh, UK
Lancet 375:555-62. 2010..We compared the efficacy and safety of ulipristal acetate with levonorgestrel for emergency contraception.
A randomized trial to compare 24 h versus 12 h double dose regimen of levonorgestrel for emergency contraceptionSuk Wai Ngai
Department of Obstetrics and Gynecology, University of Hong Kong, Queen Mary Hospital, 102 Pokfulam Road, Hong Kong SAR, China
Hum Reprod 20:307-11. 2005b>Levonorgestrel (0.75 mg given for two doses 12 h apart) has been proven to be an effective regimen for emergency contraception when the first dose is given within 72 h of unprotected coitus...
Risk of venous thromboembolism among users of third generation oral contraceptives compared with users of oral contraceptives with levonorgestrel before and after 1995: cohort and case-control analysisH Jick
Boston Collaborative Drug Surveillance Program, Boston University School of Medicine, Lexington, MA 02421, USA
BMJ 321:1190-5. 2000To compare the risk of idiopathic venous thromboembolism among women taking third generation oral contraceptives (with gestodene or desogestrel) with that among women taking oral contraceptives with levonorgestrel.
A randomized, controlled trial of a low-dose contraceptive containing 20 microg of ethinyl estradiol and 100 microg of levonorgestrel for acne treatmentD Thiboutot
Division of Dermatology, Pennsylvania State University, Hershey, USA
Fertil Steril 76:461-8. 2001OBJECTIVE: To evaluate the efficacy of a low-dose oral contraceptive (OC) containing 100 microg of levonorgestrel (LNG) and 20 microg of ethinyl estradiol (EE) compared with placebo for the treatment of moderate acne...
Use of a levonorgestrel-releasing intrauterine device in the treatment of rectovaginal endometriosisL Fedele
Department of Maternal and Child Health, Biology and Genetics, University of Verona, Verona, Italy
Fertil Steril 75:485-8. 2001To evaluate the effectiveness of a levonorgestrel-releasing IUD as therapy for endometriosis of the rectovaginal septum.
Intrauterine devices and adolescentsMelanie A Gold
Division of Adolescent Medicine, Department of Pediatrics, University of Pittsburgh School of Medicine, PA 15213, USA
Curr Opin Obstet Gynecol 20:464-9. 2008..The purpose of this review is to inform the reader of new information published on intrauterine devices (IUDs) and adolescents...
Levonorgestrel administration in emergency contraception: bleeding pattern and pituitary-ovarian functionAlessandra Tirelli
Department of Obstetrics, Gynecology and Pediatrics Sciences, Obstetrics and Gynecology Unit, Policlinico of Modena, Via del Pozzo 71, Modena, Italy
Contraception 77:328-32. 2008This study was conducted to evaluate the effects of levonorgestrel administration for emergency contraception (EC) on bleeding pattern and pituitary-ovarian function.
Effect of maraviroc on the pharmacokinetics of midazolam, lamivudine/zidovudine, and ethinyloestradiol/levonorgestrel in healthy volunteersSamantha Abel
Pfizer Global R and D, Sandwich, UK
Br J Clin Pharmacol 65:19-26. 2008..on the pharmacokinetics of midazolam, a sensitive probe CYP3A4 substrate; lamivudine/zidovudine, a combination of nucleoside reverse transcriptase inhibitors (NRTIs); and ethinyloestradiol/levonorgestrel, a combination oral contraceptive.
Determination of levonorgestrel in human plasma by liquid chromatography-tandem mass spectrometry method: application to a bioequivalence study of two formulations in healthy volunteersLi zi Zhao
School of Pharmaceutical Sciences, Sun Yat Sen University, 74 Zhongshan Road II, and Department of Pharmacy the First Affiliated Hospital, Guangzhou 510080, People s Republic of China
Biomed Chromatogr 22:519-26. 2008A rapid and sensitive liquid chromatography-tandem mass spectrometry (LC/MS/MS) method to determine levonorgestrel in human plasma was developed and fully validated...
Effect of a single vaginal administration of levonorgestrel in Carraguard gel on the ovulatory process: a potential candidate for "dual protection" emergency contraceptionVivian Brache
PROFAMILIA, Biomedical Research Department, P O Box 1053, Santo Domingo 10401, Dominican Republic
Contraception 76:111-6. 2007The study was conducted to evaluate the effect of Carraguard vaginal gel containing 0.75 mg of levonorgestrel (CARRA/LNG gel) administered in a single dose at different stages of follicle development over subsequent follicle rupture and ..
Protease activated receptor-1 is down regulated by levonorgestrel in endometrial stromal cellsS Hague
Nuffield Department of Obstetrics and Gynaecology, University of Oxford, John Radcliffe Hospital, Oxford, UK
Angiogenesis 5:93-8. 2002..The use of intrauterine levonorgestrel (LNG) is however, associated with endometrial atrophy and decidualisation of the stroma...
Pharmacokinetic study to compare the absorption and tolerability of two doses of levonorgestrel following single vaginal administration of levonorgestrel in Carraguard gel: a new formulation for "dual protection" contraceptionRegine Sitruk-Ware
Population Council, Center for Biomedical Research, New York, NY 10021, USA
Contraception 75:454-60. 2007The study was conducted to assess levonorgestrel (LNG) serum levels achieved after a single administration of two different doses of Carraguard vaginal gel containing LNG (CARRA/LNG), designed for use as microbicide and contraceptive for ..
transient scrotal hyperthermia and levonorgestrel enhance testosterone-induced spermatogenesis suppression in men through increased germ cell apoptosisChristina Wang
Department of Medicine, Harbor University of California, Los Angeles, Torrance, California 90509, USA
J Clin Endocrinol Metab 92:3292-304. 2007..In rodents and monkeys, a combination of hormonal and physical agents accelerates germ cell death...
Nasal delivery of levonorgestrel for contraception: an experimental study in ratsAliasgar Shahiwala
Pharmacy Department, Faculty of Technology and Engineering, M.S. University of Baroda, Kalabhavan, Vadodara-390 001, Gujarat, India
Fertil Steril 81:893-8. 2004OBJECTIVE: To ascertain the nasal bioavailability of Levonorgestrel and change formulation components to provide long-term effective concentrations of the drug in blood...
Levonorgestrel-only dosing strategies for emergency contraceptionLaura B Hansen
Department of Clinical Pharmacy, University of Colorado at Denver and Health Sciences Center, Denver, Colorado 80262 0238, USA
Pharmacotherapy 27:278-84. 2007..States Food and Drug Administration-approved progestin-only dosing strategy for emergency contraception is levonorgestrel 0.75 mg taken as soon as possible within 72 hours of unprotected intercourse, with a second 0...
Comparative evaluation of the effectiveness and safety of two regimens of levonorgestrel for emergency contraception in NigeriansA O Arowojolu
Fertility Research Unit, Obstetrics and Gynaecology Department, University College Hospital, Ibadan, Nigeria
Contraception 66:269-73. 2002..To find an acceptable levonorgestrel regimen for emergency contraception in our community, the two-dose regimen 0...
Short term suppression of follicular recruitment and spontaneous ovulation in the cat using levonorgestrel versus a GnRH antagonistK M Pelican
Department of Reproductive Sciences, Conservation and Research Center, Smithsonian s National Zoological Park, Front Royal, VA 22630, USA
Gen Comp Endocrinol 144:110-21. 2005Suppression and subsequent rebound of ovarian activity using a progestin (levonorgestrel; Norplant) versus a GnRH antagonist (antide) was assessed in the domestic cat via fecal estradiol and progesterone metabolite analyses...
Mechanisms of action of mifepristone and levonorgestrel when used for emergency contraceptionK Gemzell-Danielsson
Department of Woman and Child Health, Division of Obstetrics and Gynecology, Karolinska Hospital Institute, S 171 76 Stockholm, Sweden
Hum Reprod Update 10:341-8. 2004..Recently, treatment with either 10 mg mifepristone or 1.5 mg of levonorgestrel has emerged as the most effective hormonal method for emergency contraception with very low side-effects...
Contraceptive efficacy of emergency contraception with levonorgestrel given before or after ovulationGabriela Noe
Instituto Chileno de Medicina Reproductiva ICMER, Santiago, Chile
Contraception 81:414-20. 2010We aimed to evaluate whether emergency contraception with levonorgestrel (LNG-EC) administered after ovulation is equally effective to LNG-EC administered before ovulation.
Bleeding patterns after use of levonorgestrel emergency contraceptive pillsElizabeth G Raymond
Family Health International, PO Box 13950, Research Triangle Park, NC 27709, USA
Contraception 73:376-81. 2006The objective of this study was to describe bleeding after use of an emergency contraceptive pill (ECP) regimen consisting of 1.5 mg of levonorgestrel in a single dose.
Benefit-risk assessment of the levonorgestrel intrauterine system in contraceptionTiina Backman
Department of Obstetrics and Gynecology, Turku University Hospital, Turku, Finland
Drug Saf 27:1185-204. 2004The levonorgestrel-releasing intrauterine system (IUS) is a long-acting, fully reversible method of contraception...
Pharmacokinetics and endometrial tissue levels of levonorgestrel after administration of a single 1.5-mg dose by the oral and vaginal routeLuigi Devoto
Instituto de Investigaciones Materno Infantil, Departamento de Obstetricia y Ginecologia, Medical Faculty, Hospital San Borja Arriaran, University of Chile, Santiago, Chile
Fertil Steril 84:46-51. 2005To determine the pharmacokinetics and endometrial tissue levels of levonorgestrel when taken as a single dose of 1.5 mg either orally or vaginally by healthy women in the periovulatory phase of their menstrual cycle.
A 1-year randomized study to evaluate the effects of a dose reduction in oral contraceptives on lipids and carbohydrate metabolism: 20 microg ethinyl estradiol combined with 100 microg levonorgestrelSven O Skouby
Department of Obstetrics and Gynecology, Frederiksberg Hospital, University of Copenhagen, DK 2000 Copenhagen F, Denmark
Contraception 71:111-7. 2005To evaluate the impact on lipid and carbohydrate variables of a combined one-third ethinyl estradiol (EE)/levonorgestrel (LNG) dose reduction in oral contraceptives.
An open label, comparative study of the effects of a dose-reduced oral contraceptive containing 20 microg ethinyl estradiol and 100 microg levonorgestrel on hemostatic, lipids, and carbohydrate metabolism variablesJan Endrikat
Schering AG, Mullerstrasse 178, D 13342 Berlin, Germany
Contraception 65:215-21. 2002..the influence of a dose-reduced oral contraceptive containing 20 microg ethinyl estradiol (EE) and 100 microg levonorgestrel (20 EE) with a reference preparation containing 30 microg EE and 150 microg levonorgestrel (30 EE) on ..
Levonorgestrel-releasing intrauterine system compared to low dose combined oral contraceptive pills for idiopathic menorrhagia: a randomized clinical trialMamdouh M Shaaban
Faculty of Medicine, Department of Obstetrics and Gynecology, Assiut University, Assiut 71526, Egypt
Contraception 83:48-54. 2011This study compared the efficacy of the levonorgestrel-releasing intrauterine system (LNG-IUS) to low dose combined oral contraceptive pills (COC) in the management of idiopathic menorrhagia.
Haemostatic effects of a new combined oral contraceptive, nomegestrol acetate/17β-estradiol, compared with those of levonorgestrel/ethinyl estradiol. A double-blind, randomised studyPascale Gaussem
Universite Paris Descartes, Paris, France
Thromb Haemost 105:560-7. 2011..5 mg/1.5 mg) versus the second-generation OC, levonorgestrel (LNG)/EE (100 μg/20 μg)...
Postmarketing study of ORTHO EVRA and levonorgestrel oral contraceptives containing hormonal contraceptives with 30 mcg of ethinyl estradiol in relation to nonfatal venous thromboembolismSusan S Jick
Boston Collaborative Drug Surveillance Program, Department of Epidemiology, Boston University School of Medicine, 11 Muzzey Street, Lexington, MA 02421, USA
Contraception 81:16-21. 2010..Concern has been raised that the risk of venous thromboembolism (VTE) in users of the ORTHO EVRA patch is higher compared to users of oral contraceptives (OCs)...
Effects of oral and vaginal administration of levonorgestrel emergency contraception on markers of endometrial receptivityC X Meng
Division of Obstetrics and Gynaecology, Department of Women s and Children s Health, Karolinska University Hospital Karolinska Institutet, SE 17176 Stockholm, Sweden
Hum Reprod 25:874-83. 2010The standard regimen of the levonorgestrel-only pill (1.5 mg either in a single dose or in a dose of 0...
A randomized prospective trial comparing the levonorgestrel-releasing intrauterine system with thermal balloon ablation for the treatment of heavy menstrual bleedingSérgio S de Souza
Professor Aroldo Fernando Camargos Laboratory of Human Reproduction, Teaching Hospital of the Federal University of Minas Gerais, Minas Gerais, Brazil
Contraception 81:226-31. 2010Use of the levonorgestrel-releasing intrauterine system (LNG-IUS) was compared with thermal balloon ablation (TBA) for the treatment of heavy menstrual bleeding (HMB).
Intrauterine contraceptives: a review of uses, side effects, and candidatesNoa a Shimoni
Department of Obstetrics and Gynecology, Columbia University Medical Center, New York, New York 10032, USA
Semin Reprod Med 28:118-25. 2010..Pomona, NY), and the levonorgestrel-releasing intrauterine system (LNG-IUS), marketed as Mirena (Bayer HealthCare Pharmaceuticals, Inc...
Double-blind, randomized, placebo-controlled study on the effect of misoprostol on ease of consecutive insertion of the levonorgestrel-releasing intrauterine systemOskari Heikinheimo
Department of Obstetrics and Gynecology, Helsinki University Central Hospital, Helsinki, Finland
Contraception 81:481-6. 2010..Misoprostol has been studied intensively to produce cervical dilatation. To date, no studies have evaluated the effectiveness, safety or acceptability of this treatment for repeat intrauterine device insertions...
Risk of venous thromboembolism and the use of dienogest- and drospirenone-containing oral contraceptives: results from a German case-control studyJürgen Dinger
Director, ZEG Berlin Center for Epidemiology and Health Research, Invalidenstrasse 115, 10115 Berlin, Germany
J Fam Plann Reprod Health Care 36:123-9. 2010..e. containing < or =30 microg EE), particularly oral contraceptives containing levonorgestrel (LNG)...
Hysterectomy, endometrial destruction, and levonorgestrel releasing intrauterine system (Mirena) for heavy menstrual bleeding: systematic review and meta-analysis of data from individual patientsL J Middleton
Birmingham Clinical Trials Unit, University of Birmingham, Birmingham B15 2TT
BMJ 341:c3929. 2010..destruction (both "first generation" hysteroscopic and "second generation" non-hysteroscopic techniques), and the levonorgestrel releasing intrauterine system (Mirena) in the treatment of heavy menstrual bleeding.
Levonorgestrel-releasing intrauterine system or medroxyprogesterone for heavy menstrual bleeding: a randomized controlled trialAndrew M Kaunitz
Department of Obstetrics and Gynecology, University of Florida College of Medicine Jacksonville, Jacksonville, Florida, USA
Obstet Gynecol 116:625-32. 2010To compare the efficacy and safety of the levonorgestrel-releasing intrauterine system and oral medroxyprogesterone acetate in the treatment of idiopathic heavy menstrual bleeding.
A randomized clinical trial of a levonorgestrel-releasing intrauterine system and a low-dose combined oral contraceptive for fibroid-related menorrhagiaGamal H Sayed
Department of Obstetrics and Gynecology, Faculty of Medicine, Assiut University, Assiut, Egypt
Int J Gynaecol Obstet 112:126-30. 2011To compare the efficacy of a levonorgestrel-releasing intrauterine system (LNG-IUS) with that of a low-dose combined oral contraceptive (COC) in reducing fibroid-related menorrhagia.
A single midcycle dose of levonorgestrel similar to emergency contraceptive does not alter the expression of the L-selectin ligand or molecular markers of endometrial receptivityWilder Alberto Palomino
Instituto de Investigaciones Materno Infantil, Universidad de Chile, Santiago de Chile, Chile
Fertil Steril 94:1589-94. 2010To examine the effects of a single-dose of 1.5 mg of levonorgestrel (commonly used as emergency contraceptive) on endometrial receptivity biomarkers through the oral or vaginal route.
Treatment of menorrhagia with the levonorgestrel intrauterine system versus endometrial resectionO Istre
Department of Obstetrics and Gynecology, Central Hospital of Hedmark County, Hamar, Norway
Fertil Steril 76:304-9. 2001Treatment of menorrhagia with levonorgestrel intrauterine system (LNG IUS) and transcervical resection.
Development of an animal experimental model to study the effects of levonorgestrel on the human endometriumM L Alvarez Gonzalez
Laboratory of Tumor and Development Biology, GIGA Research, B23, University de Liège, Sart Tilman, B 4000 Liege, Belgium
Hum Reprod 24:697-704. 2009..This study was designed to develop an animal model to test the response of endometrium to local progestin delivery...
The Femilis LNG-IUS: contraceptive performance-an interim analysisDirk Wildemeersch
Outpatient Gynaecological Clinic and Training Centre, Ghent, Belgium
Eur J Contracept Reprod Health Care 14:103-10. 2009To provide an update on the experience with the Femilis levonorgestrel-releasing intrauterine system (LNG-IUS) used for up to five years by parous and nulliparous women, particularly with regard to its contraceptive performance.
Risk of non-fatal venous thromboembolism in women using oral contraceptives containing drospirenone compared with women using oral contraceptives containing levonorgestrel: case-control study using United States claims dataSusan S Jick
Boston Collaborative Drug Surveillance Program, Boston University School of Medicine, Lexington, MA 02421, USA
BMJ 342:d2151. 2011To compare the risk of non-fatal venous thromboembolism in women receiving oral contraceptives containing drospirenone with that in women receiving oral contraceptives containing levonorgestrel.
Levonorgestrel, medroxyprogesterone and progesterone cause a concentration-dependent reduction in endometrial cancer (Ishikawa) cell density, and high concentrations of progesterone and mifepristone act in synergyBjørn T Moe
Department of Pharmacology, University of Tromsø, N 9037 Tromsø, Norway
Anticancer Res 29:1047-52. 2009..Clinical studies of endometrial hyperplasia have shown that levonorgestrel (LNG) is more therapeutically effective than medroxyprogesterone acetate (MPA)...
A nationwide cohort study of the use of the levonorgestrel intrauterine device in New Zealand adolescentsHelen Paterson
Dunedin School of Medicine, Department of Women s and Children s Health, University of Otago Dunedin, New Zealand
Contraception 79:433-8. 2009While the use of the levonorgestrel intrauterine device (LNG-IUD) is well established in the adult population, there have been no research studies specifically on the use of the LNG-IUD in adolescents.
Effects of doxycycline on serum and endometrial levels of MMP-2, MMP-9 and TIMP-1 in women using a levonorgestrel-releasing subcutaneous implantShumei Zhao
Department of Obstetrics and Gynecology, CONRAD Clinical Research Center, Jones Institute for Reproductive Medicine, Eastern Virginia Medical School, Norfolk, VA 23507, USA
Contraception 79:469-78. 2009Endometrial spotting and/or bleeding (ESB) occurs in levonorgestrel subcutaneous implant (LNG SI) users. Matrix metalloproteinases (MMPs) may play a role in ESB.
Levonorgestrel-releasing intrauterine device insertion ameliorates leiomyoma-dependent menorrhagia among women of reproductive age without a significant regression in the uterine and leiomyoma volumesMehmet Murat Naki
Obstetrics and Gynecology Department, Dr Lutfi Kirdar Kartal Research and Training Hospital, Kartal, Istanbul, Turkey
Fertil Steril 94:371-4. 2010b>Levonorgestrel- (LNG) releasing intrauterine device (IUD) insertion revealed significant reduction in visual bleeding scores and spotting with an increase in amenorrhea and uterine pulsatility index scores...
A Canadian, multicentre study comparing the efficacy of a levonorgestrel-releasing intrauterine system to an oral contraceptive in women with idiopathic menorrhagiaJan Endrikat
Bayer Inc, Toronto, Ontario, Canada
J Obstet Gynaecol Can 31:340-7. 2009To evaluate the efficacy of a levonorgestrel-releasing intrauterine system (LNG-IUS) compared with a combined oral contraceptive containing 1 mg norethindrone acetate and 20 mg ethinyl estradiol (OC1/20) in reducing menstrual blood loss (..
Minimum effectiveness of the levonorgestrel regimen of emergency contraceptionElizabeth Raymond
Family Health International, PO Box 13950, Research Triangle Park, NC 27709, USA
Contraception 69:79-81. 2004..We used data from two published randomized trials of the levonorgestrel and Yuzpe ECP regimens to calculate the minimum effectiveness of the levonorgestrel regimen...
Evaluation of a continuous regimen of levonorgestrel/ethinyl estradiol: phase 3 study resultsDavid F Archer
CONRAD Clinical Research Center, Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, VA 23507, USA
Contraception 74:439-45. 2006This study was conducted to evaluate the safety and efficacy of a continuous daily regimen of levonorgestrel (LNG) 90 microg/ethinyl estradiol (EE) 20 microg (continuous LNG/EE).
Does meloxicam increase the incidence of anovulation induced by single administration of levonorgestrel in emergency contraception? A pilot studyM R Massai
Instituto Chileno de Medicina Reproductiva ICMER, Santiago, Chile
Hum Reprod 22:434-9. 2007b>Levonorgestrel (LNG) consistently prevents follicular rupture only when it is given before the onset of the ovulatory stimulus...
Clinical performance of a levonorgestrel-releasing intrauterine system and oral contraceptives in young nulliparous women: a comparative studySatu Suhonen
Department of Obstetrics and Gynecology, Helsinki University Central Hospital, P O Box 610, 00029 HUS, Helsinki, Finland
Contraception 69:407-12. 2004..out at family-planning clinics of two university hospitals to compare the safety and acceptability of a levonorgestrel-releasing intrauterine system (LNG IUS) and oral contraceptives (OCs) in young nulliparous women...
Use of a levonorgestrel-releasing intrauterine device for the symptomatic treatment of uterine myomasJulio Cesar Rosa e Silva
Department of Obstetrics and Gynecology, Faculty of Medicine of Ribeirao Preto, Ribeirao Preto, SP, Brazil
J Reprod Med 50:613-7. 2005To assess the effect of a levonorgestrel-releasing intrauterine device (LNG-IUD) for the treatment of women with uterine myomas with increased bleeding by measuring total uterine volume and by determining patient clinical improvement, ..
Superior cycle control with a contraceptive vaginal ring compared with an oral contraceptive containing 30 microg ethinylestradiol and 150 microg levonorgestrel: a randomized trialK Oddsson
Women's Health Associates, Kopavogur, Iceland
Hum Reprod 20:557-62. 2005..vaginal ring, and a combined oral contraceptive (COC) delivering 30 mug ethinylestradiol (EE) and 150 mug levonorgestrel. METHODS: This open-label, randomized, multi-centre, Phase III study involved adult women from 11 countries...
A pilot clinical trial of ultrasound-guided postplacental insertion of a levonorgestrel intrauterine deviceJennifer L Hayes
Department of Gynecology and Obstetrics, Grady Memorial Hospital, Emory University, Atlanta, GA 30303, USA
Contraception 76:292-6. 2007..Few studies involve ultrasound-guided insertion, and none involve the levonorgestrel IUD or take place in the United States.
Use of the levonorgestrel-releasing intrauterine system in women with endometriosis, chronic pelvic pain and dysmenorrheaLuis Bahamondes
Human Reproduction Unit, Department of Obstetrics and Gynecology, School of Medicine, Universidade Estadual de Campinas UNICAMP, 13084 971, Campinas, SP, Brazil
Contraception 75:S134-9. 2007This report is a review of the medical literature on the use of the levonorgestrel-releasing intrauterine system (LNG-IUS) in women with endometriosis, adenomyosis, cyclic pelvic pain and dysmenorrhea.
Cost-effectiveness analysis of levonorgestrel intrauterine system and thermal balloon ablation for heavy menstrual bleedingP M Brown
School of Population Health, University of Auckland, Auckland, New Zealand
BJOG 113:797-803. 2006To compare the cost-effectiveness of levonorgestrel intrauterine system (LNG-IUS) (Mirena; Schering Co., Turku, Finland) and thermal balloon ablation (Thermachoicetrade mark; Gynecare Inc...
Expressions of steroid receptors and Ki67 in first-trimester decidua and chorionic villi exposed to levonorgestrel used for emergency contraceptionChun Xia Meng
Department of Woman and Child Health, Division of Obstetrics and Gynecology, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
Fertil Steril 91:1420-3. 2009b>Levonorgestrel (1.5 mg) is commonly used for emergency contraception to prevent an unwanted pregnancy after an unprotected intercourse. We found that postovulatory administration of 1...
Effects on coagulation of levonorgestrel- and desogestrel-containing low dose oral contraceptives: a cross-over studyS Middeldorp
Department of Vascular Medicine, Academic Medical Center, Amsterdam, The Netherlands
Thromb Haemost 84:4-8. 2000..28 healthy volunteers was to assess potential differences between the effects of an OC containing 150 microg levonorgestrel (as representative of the so-called second generation OC) and an OC containing 150 microg desogestrel (as ..
Comparison between the levonorgestrel intrauterine system (LNG-IUS) and thermal balloon ablation in the treatment of menorrhagiaJulian W Barrington
Department of Obstetrics and Gynaecology, Torbay Hospital, Torquay, Devon, UK
Eur J Obstet Gynecol Reprod Biol 108:72-4. 2003To compare the effectiveness of endometrial thermal ablation and the levonorgestrel intrauterine system (LNG-IUS) in the management of menorrhagia.
A randomized controlled trial of levonorgestrel releasing IUD and thermal balloon ablation in the treatment of menorrhagiaMehmet Soysal
Pamukkale University, Department of Obstetrics and Gynecology, Denizli, Turkey
Zentralbl Gynakol 124:213-9. 2002Our aim was to compare the treatment of menorrhagia either with a levonorgestrel-releasing intrauterine device or with endometrial thermal balloon ablation...
Five years' experience with a small intracervical/intrauterine levonorgestrel-releasing devicePaivi Pakarinen
Department of Obstetrics and Gynecology, Helsinki University Central Hospital, 00029 HUS Helsinki, Finland
Contraception 72:342-5. 2005A randomized study was performed to compare the efficacy, safety and acceptability of a new model of an intracervical/intrauterine contraceptive device (ICD) releasing 20 microg of levonorgestrel (LNG) per day.
Abdominal apoplexy associated with the levonorgestrel intrauterine system--case reportW A A Tjalma
Department of Gynaecology and Gynaecologic Oncology, University Hospital Antwerpen, Edegem, Belgium
Eur J Gynaecol Oncol 27:429-31. 2006..The present report will describe a case of abdominal apoplexy in a patient using a levonorgestrel intrauterine system. The management and possible origins of abdominal apoplexy will be discussed.
[Levonorgestrel-releasing intrauterine system for treatment of dysmenorrhea associated with adenomyosis]Jie Sheng
Department of Gynecology, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China
Zhonghua Fu Chan Ke Za Zhi 41:467-70. 2006OBJECTIVE: To evaluate the efficacy and safety of a levonorgestrel-releasing intrauterine system (LNG-IUS) for the treatment of dysmenorrhea associated with adenomyosis...
Bleeding problems and progestogen-only contraceptionCharlotte Porter
Victoria Clinic, Nottingham, UK
J Fam Plann Reprod Health Care 28:178-81. 2002
Experience with the levonorgestrel-releasing intrauterine system among HIV-infected womenPäivi Lehtovirta
Department of Obstetrics and Gynecology, University of Helsinki, SF 00029 Helsinki, Finland
Contraception 75:37-9. 2007Safe and effective contraception is needed for women infected with human immunodeficiency virus (HIV). The levonorgestrel-releasing intrauterine system (LNG-IUS) is an effective long-term contraceptive that reduces menstrual bleeding and ..
The long-term actions of etonogestrel and levonorgestrel on decidualized and non-decidualized endometrium in a mouse model mimic some effects of progestogen-only contraceptives in womenNaomi B Morison
Prince Henry s Institute, PO Box 5152, Clayton, Victoria, Australia
Reproduction 133:309-21. 2007..Appropriately prepared mice received either an etonogestrel (ENG)- or levonorgestrel (LNG)-releasing subdermal implant...
The local progestational effect of the levonorgestrel-releasing intrauterine system: a sonographic and Doppler flow studyY Zalel
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Hashomer, Israel
Hum Reprod 17:2878-80. 2002We aimed to evaluate the effect of the levonorgestrel-releasing intrauterine system (LNG-IUS) on the uterine vasculature and the endometrium.
Uterine volume and menstrual patterns in users of the levonorgestrel-releasing intrauterine system with idiopathic menorrhagia or menorrhagia due to leiomyomasJarbas Magalhães
Department of Obstetrics and Gynecology, Clinic of Gynecological Endocrinology, School of Medicine, Santa Casa de Sao Paulo, São Paulo 01221 900, Brazil
Contraception 75:193-8. 2007..study was carried out to evaluate uterine volume and the volume of uterine leiomyomas in women using the levonorgestrel intrauterine system (LNG-IUS) to treat idiopathic menorrhagia (n=32) and menorrhagia due to leiomyomas (n=27)...
Levonorgestrel-releasing intrauterine system vs. transcervical endometrial resection for dysfunctional uterine bleedingB Gupta
Department of Obstetrics and Gynecology, All India Institute of Medical Sciences, New Delhi, India
Int J Gynaecol Obstet 95:261-6. 2006To compare the acceptability, efficacy, adverse effects, and user satisfaction of a levonorgestrel intrauterine system (LNG-IUS) and transcervical resection of the endometrium (TCRE) for the treatment of dysfunctional uterine bleeding.
Revisiting the intrauterine contraceptive device in adolescentsAlina Toma
Department of Obstetrics and Gynaecology, Queen s University, Kingston, Ontario, Canada
J Pediatr Adolesc Gynecol 19:291-6. 2006....
The levonorgestrel-releasing intrauterine system in modern gynaecologyC Jay McGavigan
Department of Gynaecology, Glasgow Royal Infirmary, Glasgow G4 0SF
Br J Hosp Med (Lond) 66:574-7. 2005The levonorgestrel-releasing intrauterine system was initially developed for contraception but is now widely used for a variety of gynaecological conditions...
A cross-sectional study of the forearm bone density of long-term users of levonorgestrel-releasing intrauterine systemLuis Bahamondes
Human Reproduction Unit, Department of Obstetrics and Gynaecology, School of Medicine, Universidade Estadual de Campinas UNICAMP, Campinas, Brazil
Hum Reprod 21:1316-9. 2006..on bone mineral density (BMD), but there is currently no information available on the effect of the levonorgestrel-releasing intrauterine system (LNG-IUS) on BMD...
Re: The use of levonorgestrel-releasing intrauterine system for the treatment of menorrhagia in women with inherited bleeding disordersRebecca Curtis
BJOG 113:248-9. 2006
Endometrial chemokines, uterine natural killer cells and mast cells in long-term users of the levonorgestrel-releasing intrauterine systemAlessandra Peloggia
Human Reproduction Unit, Department of Obstetrics and Gynaecology, School of Medicine, Universidade Estadual de Campinas (UNICAMP, Campinas, SP, Brazil
Hum Reprod 21:1129-34. 2006OBJECTIVE: The objective was to assess endometrial chemokines in users of the levonorgestrel-releasing intrauterine system (LNG-IUS) and correlate them with leucocyte populations, uterine natural killer cells (uNK) and mast cells (MCs)...
The effect of the levonorgestrel intrauterine system on uterine artery blood flow 1 year after insertionA Haberal
Department of Gynecology, S.S.K. Ankara Maternity and Women's Health Teaching Hospital, Ankara, Turkey
Ultrasound Obstet Gynecol 27:316-9. 2006OBJECTIVE: To assess whether the morphological alterations of the endometrium induced by the levonorgestrel intrauterine system affect the uterine artery vasculature...
A randomised trial comparing the levonorgestrel intrauterine system and thermal balloon ablation for heavy menstrual bleedingR A Busfield
Department of Obstetrics and Gynaecology, National Women's Hospital, University of Auckland, Auckland, New Zealand
BJOG 113:257-63. 2006OBJECTIVE: To compare the levonorgestrel intrauterine system (LNG-IUS) (Mirena); Schering Co., Turku, Finland) and thermal balloon ablation (Thermachoice; Gynecare Inc., Menlo Park, CA, USA) for the treatment of heavy menstrual bleeding...
Health status function after treatment with thermal balloon endometrial ablation and levonorgestrel intrauterine system for idiopathic menorrhagia: a randomized studyWing Hung Tam
Department of Obstetrics and Gynecology, The Chinese University of Hong Kong, Hong Kong, SAR, China
Gynecol Obstet Invest 62:84-8. 2006To compare patients' health status function after treatment with thermal balloon endometrial ablation (TBEA) and levonorgestrel intrauterine system (LNG-IUS) for idiopathic menorrhagia.
Managing drug-resistant essential menorrhagia without hysterectomyRitva Hurskainen
Department of Obstetrics and Gynecology, Hyvinkaa Hospital, Hospital District of Helsinki and Uusimaa, Sairaalank 1, 05850 Hyvinkaa, Finland
Best Pract Res Clin Obstet Gynaecol 20:681-94. 2006..In many countries the levonorgestrel-releasing intrauterine system (LNG-IUS) and endometrial destruction techniques are available for menorrhagia...
Efficacy, acceptability and side effects of the levonorgestrel intrauterine system for menorrhagiaA Kriplani
Department of Obstetrics and Gynecology, All India Institute of Medical Sciences, New Delhi, India
Int J Gynaecol Obstet 97:190-4. 2007To evaluate the efficacy, acceptability, and possible side effects of a levonorgestrel-releasing intrauterine system for menorrhagia.
The effect of hysterectomy or levonorgestrel-releasing intrauterine system on sexual functioning among women with menorrhagia: a 5-year randomised controlled trialK Halmesmäki
Department of Obstetrics and Gynecology, University of Helsinki, Helsinki, Finland
BJOG 114:563-8. 2007To compare among women with menorrhagia the effect of hysterectomy or levonorgestrel-releasing intrauterine system (LNG-IUS) on sexual functioning.
Depressive symptoms as predictors of discontinuation of treatment of menorrhagia by levonorgestrel-releasing intrauterine systemMarko Elovainio
National Research and Development Centre for Welfare and Health, P O Box 220, FIN 00531, Helsinki, Finland
Int J Behav Med 14:70-5. 2007It has been shown that levonorgestrel-releasing intrauterine system (LNG-IUS) is an effective treatment of menorrhagia...
Use of the levonorgestrel-releasing intrauterine system in women with hemostatic disordersAndrea S Lukes
Carolina Women s Research and Wellness Center, Chapel Hill, North Carolina 27514, USA
Fertil Steril 90:673-7. 2008To evaluate the use of the levonorgestrel-releasing intrauterine system (LNG-IUS) in women with known hemostatic disorders and abnormal uterine bleeding.
Successful pregnancy following insertion of a levonorgestrel-releasing intrauterine system in two infertile patients with complex atypical endometrial hyperplasiaXiujuan Qi
Department of Obstetrics and Gynecology, Qingdao University Medical School, Qingdao, PR China
Gynecol Obstet Invest 65:266-8. 2008..with complex atypical endometrial hyperplasia becoming pregnant following conservative treatment with a levonorgestrel-releasing intrauterine system (LNG-IUS) insertion...
Continuous oral or intramuscular medroxyprogesterone acetate versus the levonorgestrel releasing intrauterine system in the treatment of perimenopausal menorrhagia: a randomized, prospective, controlled clinical trial in female smokersT Kucuk
Department of Obstetrics and Gynecology, GATA School of Medicine, Ankara, Turkey
Clin Exp Obstet Gynecol 35:57-60. 2008..To compare the efficacy of three progestin regimens in perimenopausal menorrhagia...
Long-term effects of the levonorgestrel-releasing intrauterine system on serum lipids and the endometrium in breast cancer patients taking tamoxifenM D Kesim
Sisli Etfal Research and Training Hospital, 3th Obstetrics and Gynecology Clinic, Istanbul, Turkey
Climacteric 11:252-7. 2008To investigate the long-term effects of a levonorgestrel-releasing intrauterine system on the endometrium and lipid profile of breast cancer patients taking tamoxifen.
Modern management of abnormal uterine bleeding: the levonorgestrel intra-uterine systemDiana Mansour
Graingerville Clinic, Newcastle General Hospital, Newcastle upon Tyne, UK
Best Pract Res Clin Obstet Gynaecol 21:1007-21. 2007Since its launch, more than 9 million women worldwide have used the levonorgestrel intra-uterine system (IUS) for contraception, as a treatment for heavy menstrual bleeding and as the progestogen component of hormone-replacement therapy...
Therapeutic use of the LNG IUS, and counselingP Pakarinen
Steroid Research Laboratory, Institute of Biomedicine, University of Helsinki, Helsinki, Finland
Semin Reprod Med 19:365-72. 2001The intrauterine release of levonorgestrel (LNG) alters the function of the endometrium. This phenomenon offers special health benefits for users and a manner of local intrauterine therapy...
Progestin-releasing intrauterine systemsT Luukkainen
Steroid Research Laboratory, Institute of Biomedicine, University of Helsinki, Helsinki, Finland
Semin Reprod Med 19:355-63. 2001The levonorgestrel-releasing intrauterine system (LNG IUS) is an effective method for contraception. It has a strong antiproliferative action on the endometrium...
New developments in contraceptionL M Keder
College of Medicine, Department of Obstetrics and Gynecology, Ohio State University, Columbus, OH, USA
J Pediatr Adolesc Gynecol 15:179-81. 2002
Randomised comparative trial of thermal balloon ablation and levonorgestrel intrauterine system in patients with idiopathic menorrhagiaRobert W Shaw
Academic Division of Obstetrics and Gynaecology, University of Nottingham, Derby, UK
Aust N Z J Obstet Gynaecol 47:335-40. 2007To compare the effectiveness of thermal balloon ablation (TBA) and levonorgestrel intrauterine system (LNG-IUS) in the management of idiopathic menorrhagia and changes in pictorial blood loss assessment chart (PBAC) scores in patients who ..
Use of the levonorgestrel-IUD in the treatment of menorrhagia: improving patient outcomes while reducing the need for surgical managementAndrew M Kaunitz
Department of Obstetrics and Gynecology, University of Florida Health Science Center, Jacksonville, Florida, USA
Manag Care Interface 20:47-50. 2007..In particular, the levonorgestrel-releasing intrauterine system (LNG-IUS), a nonsurgical, reversible treatment, provides effective management ..
Treatment of menorrhagia with an LNG-IUSPaivi Pakarinen
Department of Obstetrics and Gynecology, Helsinki University Central Hospital, Helsinki, PO Box 140, HUCH, 00029, Finland
Contraception 75:S118-22. 2007..Four types of treatments - hysterectomy, endometrial resection or ablation, levonorgestrel-releasing intrauterine system (LNG-IUS) and oral medical therapy, are available for management of menorrhagia...
Levonorgestrel intrauterine system: bleeding disorders and anticoagulant therapyRezan A Kadir
Department of Obstetrics and Gynaecology and Katharine Dormandy Haemophilia Center and Haemostasis Unit, Royal Free Hospital, NW3 2QG London, UK
Contraception 75:S123-9. 2007..The levonorgestrel intrauterine system (LNG-IUS) has been shown to be highly efficacy in reducing menstrual blood loss in women ..
Progestin-releasing intrauterine systems and leiomyomaAndrew M Kaunitz
Department of Obstetrics and Gynecology, University of Florida College of Medicine, Jacksonville, FL 32209, USA
Contraception 75:S130-3. 2007....
Contraception and treatment in the perimenopause with a novel "frameless" intrauterine levonorgestrel-releasing drug delivery system: an extended pilot studyD Wildemeersch
Contrel Research, Technology Park Zwijnaarde, Ghent, Belgium
Contraception 66:93-9. 2002..and adverse events of a novel "frameless" intrauterine drug delivery system (IUS), FibroPlant-levonorgestrel (LNG) releasing 14 microg of LNG/day, in perimenopausal women...
Endometrial effects of intrauterine levonorgestrelAnja Guttinger
Division of Reproductive and Developmental Sciences, The Queen s Medical Research Institute, Centre for Reproductive Biology, The University of Edinburgh, EH16 4TJ Edinburgh, UK
Contraception 75:S93-8. 2007Local intrauterine delivery of levonorgestrel (LNG) results in extensive decidualization of endometrial stromal cells, atrophy of the glandular and surface epithelium and changes in vascular morphology (suppression of spiral artery ..
Effects of levonorgestrel-releasing IUS and progesterone receptor modulator PRM CDB-2914 on uterine leiomyomasTakeshi Maruo
Department of Obstetrics and Gynecology, Kobe University Graduate School of Medicine, Kobe, 650 0017, Japan
Contraception 75:S99-103. 2007We have found that the use of levonorgestrel-releasing IUS results in a remarkable decrease in endometrial proliferation and a remarkable increase in apoptosis in the endometrium; therefore, it is effective for long-term management of ..
Simultaneous use of a levonorgestrel intrauterine system and an etonogestrel subdermal implant for debilitating adolescent endometriosisMoamar Al Jefout
Department of Obstetrics and Gynaecology, Queen Elizabeth II Research Institute for Mothers and Infants, University of Sydney, New South Wales, Australia
Aust N Z J Obstet Gynaecol 47:247-9. 2007..We describe the novel and successful first use of a simultaneous combination of a levonorgestrel intrauterine system and an etonogestrel subdermal implant in a teenager with severe pain symptoms as a result ..
Effects of levonorgestrel-releasing intra-uterine system on the expression of vascular endothelial growth factor and adrenomedullin in the endometrium in adenomyosisJ B Laoag-Fernandez
Department of Obstetrics and Gynecology, Kobe University Graduate School of Medicine, Kobe, Japan
Hum Reprod 18:694-9. 2003The levonorgestrel-releasing intra-uterine system (LNg-IUS) has been used to control menorrhagia, but irregular bleeding during the first 3 months of use was the most notable side effect...
Research Grants
- A RCT of LNG-IUD vs. DMPA for young postpartum womenNancy Stanwood; Fiscal Year: 2005..The levonorgestrel intrauterine device (LNG-IUD) is a very effective, well-tolerated contraceptive...
- Family Planning Promotion in HIV Infected ZambiansSusan Allen; Fiscal Year: 2005..Cost- effectiveness will be determined with methods developed jointly by experts in the fields of HIV therapy in Africa and contraception. ..
- UNDERSTANDING OVARIAN CONTROL IN RARE BIOMEDICAL MODELSKATHARINE PELICAN; Fiscal Year: 2006..leuprolide acetate (Lupron), a gonadotropin releasing hormone (GnRH) agonist; 2) Antide, a GnRH antagonist; 3) levonorgestrel (Norplant), a progestogen implant; and 4) altrenogest (Regumate), an oral progestogen...
- Obesity Prevention Tailored for Health IIKIM DANIEL REYNOLDS; Fiscal Year: 2010..Two 24-hour recalls will be completed at each assessment period. BMI and physical activity will be objectively measured through height and weight assessments, and through the use of accelerometry to assess physical activity. ..
- Suppression of Breakthrough Bleeding in LNG-IUS UsersOv Slayden; Fiscal Year: 2006The Mirena(c) (Leiras, OY, Finland) is an intrauterine system (IUS) that releases levonorgestrel (LNG) and provides women with highly effective contraception for 5 years...
- Suppression of Breakthrough Bleeding in LNG-IUS UsersRobert Brenner; Fiscal Year: 2004The Mirena(c) (Leiras, OY, Finland) is an intrauterine system (IUS) that releases levonorgestrel (LNG) and provides women with highly effective contraception for 5 years...
- Mifepristone for Prevention of Breakthrough BleedingJohn Jain; Fiscal Year: 2004..Mifepristone has been shown to decrease breakthrough bleeding in women using levonorgestrel implants...
- Progestin Effects on Uterine Hemostasis & AngiogenesisCharles Lockwood; Fiscal Year: 2006..abstract_text> ..
- Enhancing Childrens' and Parents' Asthma ManagementSharon Horner; Fiscal Year: 2006..Follow-up data will be collected 4 months (Time 3) and 8 months (Time 4) later and analyzed. ..
- St. John's Wort Effects on LevonorgestrelPatricia Murphy; Fiscal Year: 2006..John's Wort (Hypericum perforatum), on metabolism of levonorgestrel in a dosing regimen for emergency contraception...
- Conspiracies, Perceived Discrimination & Sexual BehaviorSheryl Thorburn; Fiscal Year: 2003..Findings from this study will inform efforts to prevent HIV and other STDs, as well as unintended pregnancy, among African Americans nationally. ..
- Clinical Translational Research in Transplant NephrologyBryan Becker; Fiscal Year: 2006..It will also work to meet the NIH's goal of increasing the number of physician-scientists conducting high-quality patient-oriented research. ..
