levonorgestrel

Summary

Summary: 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

  1. ncbi Levonorgestrel-releasing intrauterine system: uses and controversies
    Luis 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. 2008
  2. ncbi Bleeding pattern and cycle control with an estradiol-based oral contraceptive: a seven-cycle, randomized comparative trial of estradiol valerate/dienogest and ethinyl estradiol/levonorgestrel
    Hans Joachim Ahrendt
    Gynekologická a Porodnická Ambulance, Prague, Czech Republic
    Contraception 80:436-44. 2009
  3. ncbi The evaluation of the effectiveness of an intrauterine-administered progestogen (levonorgestrel) in the symptomatic treatment of endometriosis and in the staging of the disease
    F 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
  4. ncbi Risk of nonfatal venous thromboembolism with oral contraceptives containing norgestimate or desogestrel compared with oral contraceptives containing levonorgestrel
    Susan S Jick
    Boston Collaborative Drug Surveillance Program, Boston University School of Medicine, Lexington, MA 02421, USA
    Contraception 73:566-70. 2006
  5. ncbi Ulipristal acetate versus levonorgestrel for emergency contraception: a randomised non-inferiority trial and meta-analysis
    Anna F Glasier
    National Health Service Lothian, Edinburgh, UK
    Lancet 375:555-62. 2010
  6. ncbi A randomized trial to compare 24 h versus 12 h double dose regimen of levonorgestrel for emergency contraception
    Suk 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. 2005
  7. ncbi 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 analysis
    H Jick
    Boston Collaborative Drug Surveillance Program, Boston University School of Medicine, Lexington, MA 02421, USA
    BMJ 321:1190-5. 2000
  8. ncbi A randomized, controlled trial of a low-dose contraceptive containing 20 microg of ethinyl estradiol and 100 microg of levonorgestrel for acne treatment
    D Thiboutot
    Division of Dermatology, Pennsylvania State University, Hershey, USA
    Fertil Steril 76:461-8. 2001
  9. ncbi Use of a levonorgestrel-releasing intrauterine device in the treatment of rectovaginal endometriosis
    L Fedele
    Department of Maternal and Child Health, Biology and Genetics, University of Verona, Verona, Italy
    Fertil Steril 75:485-8. 2001
  10. ncbi Intrauterine devices and adolescents
    Melanie 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

Research Grants

Detail Information

Publications185 found, 100 shown here

  1. ncbi Levonorgestrel-releasing intrauterine system: uses and controversies
    Luis 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. 2008
    This 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 ..
  2. ncbi Bleeding pattern and cycle control with an estradiol-based oral contraceptive: a seven-cycle, randomized comparative trial of estradiol valerate/dienogest and ethinyl estradiol/levonorgestrel
    Hans 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.
  3. ncbi The evaluation of the effectiveness of an intrauterine-administered progestogen (levonorgestrel) in the symptomatic treatment of endometriosis and in the staging of the disease
    F 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; ..
  4. ncbi Risk of nonfatal venous thromboembolism with oral contraceptives containing norgestimate or desogestrel compared with oral contraceptives containing levonorgestrel
    Susan 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 ..
  5. ncbi Ulipristal acetate versus levonorgestrel for emergency contraception: a randomised non-inferiority trial and meta-analysis
    Anna 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.
  6. ncbi A randomized trial to compare 24 h versus 12 h double dose regimen of levonorgestrel for emergency contraception
    Suk 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. 2005
    b>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...
  7. ncbi 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 analysis
    H Jick
    Boston Collaborative Drug Surveillance Program, Boston University School of Medicine, Lexington, MA 02421, USA
    BMJ 321:1190-5. 2000
    To 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.
  8. ncbi A randomized, controlled trial of a low-dose contraceptive containing 20 microg of ethinyl estradiol and 100 microg of levonorgestrel for acne treatment
    D Thiboutot
    Division of Dermatology, Pennsylvania State University, Hershey, USA
    Fertil Steril 76:461-8. 2001
    OBJECTIVE: 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...
  9. ncbi Use of a levonorgestrel-releasing intrauterine device in the treatment of rectovaginal endometriosis
    L Fedele
    Department of Maternal and Child Health, Biology and Genetics, University of Verona, Verona, Italy
    Fertil Steril 75:485-8. 2001
    To evaluate the effectiveness of a levonorgestrel-releasing IUD as therapy for endometriosis of the rectovaginal septum.
  10. ncbi Intrauterine devices and adolescents
    Melanie 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...
  11. ncbi Levonorgestrel administration in emergency contraception: bleeding pattern and pituitary-ovarian function
    Alessandra 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. 2008
    This study was conducted to evaluate the effects of levonorgestrel administration for emergency contraception (EC) on bleeding pattern and pituitary-ovarian function.
  12. ncbi Effect of maraviroc on the pharmacokinetics of midazolam, lamivudine/zidovudine, and ethinyloestradiol/levonorgestrel in healthy volunteers
    Samantha 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.
  13. ncbi Determination of levonorgestrel in human plasma by liquid chromatography-tandem mass spectrometry method: application to a bioequivalence study of two formulations in healthy volunteers
    Li 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. 2008
    A rapid and sensitive liquid chromatography-tandem mass spectrometry (LC/MS/MS) method to determine levonorgestrel in human plasma was developed and fully validated...
  14. ncbi Effect of a single vaginal administration of levonorgestrel in Carraguard gel on the ovulatory process: a potential candidate for "dual protection" emergency contraception
    Vivian Brache
    PROFAMILIA, Biomedical Research Department, P O Box 1053, Santo Domingo 10401, Dominican Republic
    Contraception 76:111-6. 2007
    The 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 ..
  15. ncbi Protease activated receptor-1 is down regulated by levonorgestrel in endometrial stromal cells
    S 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...
  16. ncbi 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" contraception
    Regine Sitruk-Ware
    Population Council, Center for Biomedical Research, New York, NY 10021, USA
    Contraception 75:454-60. 2007
    The 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 ..
  17. ncbi transient scrotal hyperthermia and levonorgestrel enhance testosterone-induced spermatogenesis suppression in men through increased germ cell apoptosis
    Christina 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...
  18. ncbi Nasal delivery of levonorgestrel for contraception: an experimental study in rats
    Aliasgar Shahiwala
    Pharmacy Department, Faculty of Technology and Engineering, M.S. University of Baroda, Kalabhavan, Vadodara-390 001, Gujarat, India
    Fertil Steril 81:893-8. 2004
    OBJECTIVE: To ascertain the nasal bioavailability of Levonorgestrel and change formulation components to provide long-term effective concentrations of the drug in blood...
  19. ncbi Levonorgestrel-only dosing strategies for emergency contraception
    Laura 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...
  20. ncbi Comparative evaluation of the effectiveness and safety of two regimens of levonorgestrel for emergency contraception in Nigerians
    A 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...
  21. ncbi Short term suppression of follicular recruitment and spontaneous ovulation in the cat using levonorgestrel versus a GnRH antagonist
    K 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. 2005
    Suppression 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...
  22. ncbi Mechanisms of action of mifepristone and levonorgestrel when used for emergency contraception
    K 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...
  23. ncbi Contraceptive efficacy of emergency contraception with levonorgestrel given before or after ovulation
    Gabriela Noe
    Instituto Chileno de Medicina Reproductiva ICMER, Santiago, Chile
    Contraception 81:414-20. 2010
    We aimed to evaluate whether emergency contraception with levonorgestrel (LNG-EC) administered after ovulation is equally effective to LNG-EC administered before ovulation.
  24. ncbi Bleeding patterns after use of levonorgestrel emergency contraceptive pills
    Elizabeth G Raymond
    Family Health International, PO Box 13950, Research Triangle Park, NC 27709, USA
    Contraception 73:376-81. 2006
    The 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.
  25. ncbi Benefit-risk assessment of the levonorgestrel intrauterine system in contraception
    Tiina Backman
    Department of Obstetrics and Gynecology, Turku University Hospital, Turku, Finland
    Drug Saf 27:1185-204. 2004
    The levonorgestrel-releasing intrauterine system (IUS) is a long-acting, fully reversible method of contraception...
  26. ncbi Pharmacokinetics and endometrial tissue levels of levonorgestrel after administration of a single 1.5-mg dose by the oral and vaginal route
    Luigi 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. 2005
    To 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.
  27. ncbi 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 levonorgestrel
    Sven O Skouby
    Department of Obstetrics and Gynecology, Frederiksberg Hospital, University of Copenhagen, DK 2000 Copenhagen F, Denmark
    Contraception 71:111-7. 2005
    To evaluate the impact on lipid and carbohydrate variables of a combined one-third ethinyl estradiol (EE)/levonorgestrel (LNG) dose reduction in oral contraceptives.
  28. ncbi 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 variables
    Jan 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 ..
  29. ncbi Levonorgestrel-releasing intrauterine system compared to low dose combined oral contraceptive pills for idiopathic menorrhagia: a randomized clinical trial
    Mamdouh M Shaaban
    Faculty of Medicine, Department of Obstetrics and Gynecology, Assiut University, Assiut 71526, Egypt
    Contraception 83:48-54. 2011
    This 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.
  30. ncbi Haemostatic effects of a new combined oral contraceptive, nomegestrol acetate/17β-estradiol, compared with those of levonorgestrel/ethinyl estradiol. A double-blind, randomised study
    Pascale 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)...
  31. ncbi Postmarketing study of ORTHO EVRA and levonorgestrel oral contraceptives containing hormonal contraceptives with 30 mcg of ethinyl estradiol in relation to nonfatal venous thromboembolism
    Susan 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)...
  32. ncbi Effects of oral and vaginal administration of levonorgestrel emergency contraception on markers of endometrial receptivity
    C 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. 2010
    The standard regimen of the levonorgestrel-only pill (1.5 mg either in a single dose or in a dose of 0...
  33. ncbi A randomized prospective trial comparing the levonorgestrel-releasing intrauterine system with thermal balloon ablation for the treatment of heavy menstrual bleeding
    Sérgio 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. 2010
    Use of the levonorgestrel-releasing intrauterine system (LNG-IUS) was compared with thermal balloon ablation (TBA) for the treatment of heavy menstrual bleeding (HMB).
  34. ncbi Intrauterine contraceptives: a review of uses, side effects, and candidates
    Noa 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...
  35. ncbi Double-blind, randomized, placebo-controlled study on the effect of misoprostol on ease of consecutive insertion of the levonorgestrel-releasing intrauterine system
    Oskari 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...
  36. ncbi Risk of venous thromboembolism and the use of dienogest- and drospirenone-containing oral contraceptives: results from a German case-control study
    Jürgen 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)...
  37. ncbi Hysterectomy, endometrial destruction, and levonorgestrel releasing intrauterine system (Mirena) for heavy menstrual bleeding: systematic review and meta-analysis of data from individual patients
    L 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.
  38. ncbi Levonorgestrel-releasing intrauterine system or medroxyprogesterone for heavy menstrual bleeding: a randomized controlled trial
    Andrew M Kaunitz
    Department of Obstetrics and Gynecology, University of Florida College of Medicine Jacksonville, Jacksonville, Florida, USA
    Obstet Gynecol 116:625-32. 2010
    To compare the efficacy and safety of the levonorgestrel-releasing intrauterine system and oral medroxyprogesterone acetate in the treatment of idiopathic heavy menstrual bleeding.
  39. ncbi A randomized clinical trial of a levonorgestrel-releasing intrauterine system and a low-dose combined oral contraceptive for fibroid-related menorrhagia
    Gamal H Sayed
    Department of Obstetrics and Gynecology, Faculty of Medicine, Assiut University, Assiut, Egypt
    Int J Gynaecol Obstet 112:126-30. 2011
    To 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.
  40. ncbi 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 receptivity
    Wilder Alberto Palomino
    Instituto de Investigaciones Materno Infantil, Universidad de Chile, Santiago de Chile, Chile
    Fertil Steril 94:1589-94. 2010
    To 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.
  41. ncbi Treatment of menorrhagia with the levonorgestrel intrauterine system versus endometrial resection
    O Istre
    Department of Obstetrics and Gynecology, Central Hospital of Hedmark County, Hamar, Norway
    Fertil Steril 76:304-9. 2001
    Treatment of menorrhagia with levonorgestrel intrauterine system (LNG IUS) and transcervical resection.
  42. ncbi Development of an animal experimental model to study the effects of levonorgestrel on the human endometrium
    M 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...
  43. ncbi The Femilis LNG-IUS: contraceptive performance-an interim analysis
    Dirk Wildemeersch
    Outpatient Gynaecological Clinic and Training Centre, Ghent, Belgium
    Eur J Contracept Reprod Health Care 14:103-10. 2009
    To 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.
  44. ncbi 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 data
    Susan S Jick
    Boston Collaborative Drug Surveillance Program, Boston University School of Medicine, Lexington, MA 02421, USA
    BMJ 342:d2151. 2011
    To compare the risk of non-fatal venous thromboembolism in women receiving oral contraceptives containing drospirenone with that in women receiving oral contraceptives containing levonorgestrel.
  45. ncbi Levonorgestrel, medroxyprogesterone and progesterone cause a concentration-dependent reduction in endometrial cancer (Ishikawa) cell density, and high concentrations of progesterone and mifepristone act in synergy
    Bjørn 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)...
  46. ncbi A nationwide cohort study of the use of the levonorgestrel intrauterine device in New Zealand adolescents
    Helen Paterson
    Dunedin School of Medicine, Department of Women s and Children s Health, University of Otago Dunedin, New Zealand
    Contraception 79:433-8. 2009
    While 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.
  47. ncbi Effects of doxycycline on serum and endometrial levels of MMP-2, MMP-9 and TIMP-1 in women using a levonorgestrel-releasing subcutaneous implant
    Shumei 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. 2009
    Endometrial spotting and/or bleeding (ESB) occurs in levonorgestrel subcutaneous implant (LNG SI) users. Matrix metalloproteinases (MMPs) may play a role in ESB.
  48. ncbi Levonorgestrel-releasing intrauterine device insertion ameliorates leiomyoma-dependent menorrhagia among women of reproductive age without a significant regression in the uterine and leiomyoma volumes
    Mehmet Murat Naki
    Obstetrics and Gynecology Department, Dr Lutfi Kirdar Kartal Research and Training Hospital, Kartal, Istanbul, Turkey
    Fertil Steril 94:371-4. 2010
    b>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...
  49. ncbi A Canadian, multicentre study comparing the efficacy of a levonorgestrel-releasing intrauterine system to an oral contraceptive in women with idiopathic menorrhagia
    Jan Endrikat
    Bayer Inc, Toronto, Ontario, Canada
    J Obstet Gynaecol Can 31:340-7. 2009
    To 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 (..
  50. ncbi Minimum effectiveness of the levonorgestrel regimen of emergency contraception
    Elizabeth 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...
  51. ncbi Evaluation of a continuous regimen of levonorgestrel/ethinyl estradiol: phase 3 study results
    David F Archer
    CONRAD Clinical Research Center, Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, VA 23507, USA
    Contraception 74:439-45. 2006
    This 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).
  52. ncbi Does meloxicam increase the incidence of anovulation induced by single administration of levonorgestrel in emergency contraception? A pilot study
    M R Massai
    Instituto Chileno de Medicina Reproductiva ICMER, Santiago, Chile
    Hum Reprod 22:434-9. 2007
    b>Levonorgestrel (LNG) consistently prevents follicular rupture only when it is given before the onset of the ovulatory stimulus...
  53. ncbi Clinical performance of a levonorgestrel-releasing intrauterine system and oral contraceptives in young nulliparous women: a comparative study
    Satu 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...
  54. ncbi Use of a levonorgestrel-releasing intrauterine device for the symptomatic treatment of uterine myomas
    Julio 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. 2005
    To 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, ..
  55. ncbi Superior cycle control with a contraceptive vaginal ring compared with an oral contraceptive containing 30 microg ethinylestradiol and 150 microg levonorgestrel: a randomized trial
    K 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...
  56. ncbi A pilot clinical trial of ultrasound-guided postplacental insertion of a levonorgestrel intrauterine device
    Jennifer 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.
  57. ncbi Use of the levonorgestrel-releasing intrauterine system in women with endometriosis, chronic pelvic pain and dysmenorrhea
    Luis 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. 2007
    This 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.
  58. ncbi Cost-effectiveness analysis of levonorgestrel intrauterine system and thermal balloon ablation for heavy menstrual bleeding
    P M Brown
    School of Population Health, University of Auckland, Auckland, New Zealand
    BJOG 113:797-803. 2006
    To compare the cost-effectiveness of levonorgestrel intrauterine system (LNG-IUS) (Mirena; Schering Co., Turku, Finland) and thermal balloon ablation (Thermachoicetrade mark; Gynecare Inc...
  59. ncbi Expressions of steroid receptors and Ki67 in first-trimester decidua and chorionic villi exposed to levonorgestrel used for emergency contraception
    Chun 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. 2009
    b>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...
  60. ncbi Effects on coagulation of levonorgestrel- and desogestrel-containing low dose oral contraceptives: a cross-over study
    S 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 ..
  61. ncbi Comparison between the levonorgestrel intrauterine system (LNG-IUS) and thermal balloon ablation in the treatment of menorrhagia
    Julian W Barrington
    Department of Obstetrics and Gynaecology, Torbay Hospital, Torquay, Devon, UK
    Eur J Obstet Gynecol Reprod Biol 108:72-4. 2003
    To compare the effectiveness of endometrial thermal ablation and the levonorgestrel intrauterine system (LNG-IUS) in the management of menorrhagia.
  62. ncbi A randomized controlled trial of levonorgestrel releasing IUD and thermal balloon ablation in the treatment of menorrhagia
    Mehmet Soysal
    Pamukkale University, Department of Obstetrics and Gynecology, Denizli, Turkey
    Zentralbl Gynakol 124:213-9. 2002
    Our aim was to compare the treatment of menorrhagia either with a levonorgestrel-releasing intrauterine device or with endometrial thermal balloon ablation...
  63. ncbi Five years' experience with a small intracervical/intrauterine levonorgestrel-releasing device
    Paivi Pakarinen
    Department of Obstetrics and Gynecology, Helsinki University Central Hospital, 00029 HUS Helsinki, Finland
    Contraception 72:342-5. 2005
    A 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.
  64. ncbi Abdominal apoplexy associated with the levonorgestrel intrauterine system--case report
    W 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.
  65. ncbi [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. 2006
    OBJECTIVE: To evaluate the efficacy and safety of a levonorgestrel-releasing intrauterine system (LNG-IUS) for the treatment of dysmenorrhea associated with adenomyosis...
  66. ncbi Bleeding problems and progestogen-only contraception
    Charlotte Porter
    Victoria Clinic, Nottingham, UK
    J Fam Plann Reprod Health Care 28:178-81. 2002
  67. ncbi Experience with the levonorgestrel-releasing intrauterine system among HIV-infected women
    Päivi Lehtovirta
    Department of Obstetrics and Gynecology, University of Helsinki, SF 00029 Helsinki, Finland
    Contraception 75:37-9. 2007
    Safe 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 ..
  68. ncbi 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 women
    Naomi 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...
  69. ncbi The local progestational effect of the levonorgestrel-releasing intrauterine system: a sonographic and Doppler flow study
    Y 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. 2002
    We aimed to evaluate the effect of the levonorgestrel-releasing intrauterine system (LNG-IUS) on the uterine vasculature and the endometrium.
  70. ncbi Uterine volume and menstrual patterns in users of the levonorgestrel-releasing intrauterine system with idiopathic menorrhagia or menorrhagia due to leiomyomas
    Jarbas 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)...
  71. ncbi Levonorgestrel-releasing intrauterine system vs. transcervical endometrial resection for dysfunctional uterine bleeding
    B Gupta
    Department of Obstetrics and Gynecology, All India Institute of Medical Sciences, New Delhi, India
    Int J Gynaecol Obstet 95:261-6. 2006
    To 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.
  72. ncbi Revisiting the intrauterine contraceptive device in adolescents
    Alina Toma
    Department of Obstetrics and Gynaecology, Queen s University, Kingston, Ontario, Canada
    J Pediatr Adolesc Gynecol 19:291-6. 2006
    ....
  73. ncbi The levonorgestrel-releasing intrauterine system in modern gynaecology
    C Jay McGavigan
    Department of Gynaecology, Glasgow Royal Infirmary, Glasgow G4 0SF
    Br J Hosp Med (Lond) 66:574-7. 2005
    The levonorgestrel-releasing intrauterine system was initially developed for contraception but is now widely used for a variety of gynaecological conditions...
  74. ncbi A cross-sectional study of the forearm bone density of long-term users of levonorgestrel-releasing intrauterine system
    Luis 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...
  75. ncbi Re: The use of levonorgestrel-releasing intrauterine system for the treatment of menorrhagia in women with inherited bleeding disorders
    Rebecca Curtis
    BJOG 113:248-9. 2006
  76. ncbi Endometrial chemokines, uterine natural killer cells and mast cells in long-term users of the levonorgestrel-releasing intrauterine system
    Alessandra 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. 2006
    OBJECTIVE: 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)...
  77. ncbi The effect of the levonorgestrel intrauterine system on uterine artery blood flow 1 year after insertion
    A Haberal
    Department of Gynecology, S.S.K. Ankara Maternity and Women's Health Teaching Hospital, Ankara, Turkey
    Ultrasound Obstet Gynecol 27:316-9. 2006
    OBJECTIVE: To assess whether the morphological alterations of the endometrium induced by the levonorgestrel intrauterine system affect the uterine artery vasculature...
  78. ncbi A randomised trial comparing the levonorgestrel intrauterine system and thermal balloon ablation for heavy menstrual bleeding
    R A Busfield
    Department of Obstetrics and Gynaecology, National Women's Hospital, University of Auckland, Auckland, New Zealand
    BJOG 113:257-63. 2006
    OBJECTIVE: 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...
  79. ncbi Health status function after treatment with thermal balloon endometrial ablation and levonorgestrel intrauterine system for idiopathic menorrhagia: a randomized study
    Wing Hung Tam
    Department of Obstetrics and Gynecology, The Chinese University of Hong Kong, Hong Kong, SAR, China
    Gynecol Obstet Invest 62:84-8. 2006
    To compare patients' health status function after treatment with thermal balloon endometrial ablation (TBEA) and levonorgestrel intrauterine system (LNG-IUS) for idiopathic menorrhagia.
  80. ncbi Managing drug-resistant essential menorrhagia without hysterectomy
    Ritva 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...
  81. ncbi Efficacy, acceptability and side effects of the levonorgestrel intrauterine system for menorrhagia
    A Kriplani
    Department of Obstetrics and Gynecology, All India Institute of Medical Sciences, New Delhi, India
    Int J Gynaecol Obstet 97:190-4. 2007
    To evaluate the efficacy, acceptability, and possible side effects of a levonorgestrel-releasing intrauterine system for menorrhagia.
  82. ncbi The effect of hysterectomy or levonorgestrel-releasing intrauterine system on sexual functioning among women with menorrhagia: a 5-year randomised controlled trial
    K Halmesmäki
    Department of Obstetrics and Gynecology, University of Helsinki, Helsinki, Finland
    BJOG 114:563-8. 2007
    To compare among women with menorrhagia the effect of hysterectomy or levonorgestrel-releasing intrauterine system (LNG-IUS) on sexual functioning.
  83. ncbi Depressive symptoms as predictors of discontinuation of treatment of menorrhagia by levonorgestrel-releasing intrauterine system
    Marko 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. 2007
    It has been shown that levonorgestrel-releasing intrauterine system (LNG-IUS) is an effective treatment of menorrhagia...
  84. ncbi Use of the levonorgestrel-releasing intrauterine system in women with hemostatic disorders
    Andrea S Lukes
    Carolina Women s Research and Wellness Center, Chapel Hill, North Carolina 27514, USA
    Fertil Steril 90:673-7. 2008
    To evaluate the use of the levonorgestrel-releasing intrauterine system (LNG-IUS) in women with known hemostatic disorders and abnormal uterine bleeding.
  85. ncbi Successful pregnancy following insertion of a levonorgestrel-releasing intrauterine system in two infertile patients with complex atypical endometrial hyperplasia
    Xiujuan 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...
  86. ncbi 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 smokers
    T 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...
  87. ncbi Long-term effects of the levonorgestrel-releasing intrauterine system on serum lipids and the endometrium in breast cancer patients taking tamoxifen
    M D Kesim
    Sisli Etfal Research and Training Hospital, 3th Obstetrics and Gynecology Clinic, Istanbul, Turkey
    Climacteric 11:252-7. 2008
    To investigate the long-term effects of a levonorgestrel-releasing intrauterine system on the endometrium and lipid profile of breast cancer patients taking tamoxifen.
  88. ncbi Modern management of abnormal uterine bleeding: the levonorgestrel intra-uterine system
    Diana Mansour
    Graingerville Clinic, Newcastle General Hospital, Newcastle upon Tyne, UK
    Best Pract Res Clin Obstet Gynaecol 21:1007-21. 2007
    Since 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...
  89. ncbi Therapeutic use of the LNG IUS, and counseling
    P Pakarinen
    Steroid Research Laboratory, Institute of Biomedicine, University of Helsinki, Helsinki, Finland
    Semin Reprod Med 19:365-72. 2001
    The 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...
  90. ncbi Progestin-releasing intrauterine systems
    T Luukkainen
    Steroid Research Laboratory, Institute of Biomedicine, University of Helsinki, Helsinki, Finland
    Semin Reprod Med 19:355-63. 2001
    The levonorgestrel-releasing intrauterine system (LNG IUS) is an effective method for contraception. It has a strong antiproliferative action on the endometrium...
  91. ncbi New developments in contraception
    L M Keder
    College of Medicine, Department of Obstetrics and Gynecology, Ohio State University, Columbus, OH, USA
    J Pediatr Adolesc Gynecol 15:179-81. 2002
  92. ncbi Randomised comparative trial of thermal balloon ablation and levonorgestrel intrauterine system in patients with idiopathic menorrhagia
    Robert W Shaw
    Academic Division of Obstetrics and Gynaecology, University of Nottingham, Derby, UK
    Aust N Z J Obstet Gynaecol 47:335-40. 2007
    To 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 ..
  93. ncbi Use of the levonorgestrel-IUD in the treatment of menorrhagia: improving patient outcomes while reducing the need for surgical management
    Andrew 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 ..
  94. ncbi Treatment of menorrhagia with an LNG-IUS
    Paivi 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...
  95. ncbi Levonorgestrel intrauterine system: bleeding disorders and anticoagulant therapy
    Rezan 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 ..
  96. ncbi Progestin-releasing intrauterine systems and leiomyoma
    Andrew M Kaunitz
    Department of Obstetrics and Gynecology, University of Florida College of Medicine, Jacksonville, FL 32209, USA
    Contraception 75:S130-3. 2007
    ....
  97. ncbi Contraception and treatment in the perimenopause with a novel "frameless" intrauterine levonorgestrel-releasing drug delivery system: an extended pilot study
    D 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...
  98. ncbi Endometrial effects of intrauterine levonorgestrel
    Anja 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. 2007
    Local 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 ..
  99. ncbi Effects of levonorgestrel-releasing IUS and progesterone receptor modulator PRM CDB-2914 on uterine leiomyomas
    Takeshi Maruo
    Department of Obstetrics and Gynecology, Kobe University Graduate School of Medicine, Kobe, 650 0017, Japan
    Contraception 75:S99-103. 2007
    We 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 ..
  100. ncbi Simultaneous use of a levonorgestrel intrauterine system and an etonogestrel subdermal implant for debilitating adolescent endometriosis
    Moamar 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 ..
  101. ncbi Effects of levonorgestrel-releasing intra-uterine system on the expression of vascular endothelial growth factor and adrenomedullin in the endometrium in adenomyosis
    J B Laoag-Fernandez
    Department of Obstetrics and Gynecology, Kobe University Graduate School of Medicine, Kobe, Japan
    Hum Reprod 18:694-9. 2003
    The 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 Grants70

  1. A RCT of LNG-IUD vs. DMPA for young postpartum women
    Nancy Stanwood; Fiscal Year: 2005
    ..The levonorgestrel intrauterine device (LNG-IUD) is a very effective, well-tolerated contraceptive...
  2. Family Planning Promotion in HIV Infected Zambians
    Susan 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. ..
  3. UNDERSTANDING OVARIAN CONTROL IN RARE BIOMEDICAL MODELS
    KATHARINE 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...
  4. Obesity Prevention Tailored for Health II
    KIM 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. ..
  5. Suppression of Breakthrough Bleeding in LNG-IUS Users
    Ov Slayden; Fiscal Year: 2006
    The Mirena(c) (Leiras, OY, Finland) is an intrauterine system (IUS) that releases levonorgestrel (LNG) and provides women with highly effective contraception for 5 years...
  6. Suppression of Breakthrough Bleeding in LNG-IUS Users
    Robert Brenner; Fiscal Year: 2004
    The Mirena(c) (Leiras, OY, Finland) is an intrauterine system (IUS) that releases levonorgestrel (LNG) and provides women with highly effective contraception for 5 years...
  7. Mifepristone for Prevention of Breakthrough Bleeding
    John Jain; Fiscal Year: 2004
    ..Mifepristone has been shown to decrease breakthrough bleeding in women using levonorgestrel implants...
  8. Progestin Effects on Uterine Hemostasis & Angiogenesis
    Charles Lockwood; Fiscal Year: 2006
    ..abstract_text> ..
  9. Enhancing Childrens' and Parents' Asthma Management
    Sharon Horner; Fiscal Year: 2006
    ..Follow-up data will be collected 4 months (Time 3) and 8 months (Time 4) later and analyzed. ..
  10. St. John's Wort Effects on Levonorgestrel
    Patricia Murphy; Fiscal Year: 2006
    ..John's Wort (Hypericum perforatum), on metabolism of levonorgestrel in a dosing regimen for emergency contraception...
  11. Conspiracies, Perceived Discrimination & Sexual Behavior
    Sheryl 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. ..
  12. Clinical Translational Research in Transplant Nephrology
    Bryan 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. ..