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Plan B One-Step (Levonorgestrel) - Published Studies


Published Studies Related to Plan B One-Step (Levonorgestrel)

Well-designed clinical trials related to Plan B One-Step (Levonorgestrel)

Short-Term Treatment of Bothersome Bleeding for Etonogestrel Implant Users Using a 14-Day Oral Contraceptive Pill Regimen: A Randomized Controlled Trial. [2015]

An overview of four studies of a continuous oral contraceptive (levonorgestrel 90 mcg/ethinyl estradiol 20 mcg) on premenstrual dysphoric disorder and premenstrual syndrome. [2012]

Ethinyl estradiol and levonorgestrel pharmacokinetics with a low-dose transdermal contraceptive delivery system, AG200-15: a randomized controlled trial. [2011.11.29]

Naproxen or estradiol for bleeding and spotting with the levonorgestrel intrauterine system: a randomized controlled trial. [2011.09.24]

Immediate versus delayed insertion of the levonorgestrel-releasing intrauterine device following dilation and evacuation: a randomized controlled trial. [2011.09.13]

Efficacy and safety of a levonorgestrel enteric-coated tablet as an over-the-counter drug for emergency contraception: a Phase IV clinical trial. [2011.09]

Effect of ticagrelor on the pharmacokinetics of ethinyl oestradiol and levonorgestrel in healthy volunteers. [2011.08]

Haemostatic effects of a new combined oral contraceptive, nomegestrol acetate/17beta-estradiol, compared with those of levonorgestrel/ethinyl estradiol. A double-blind, randomised study. [2011.03]

A randomized clinical trial of a levonorgestrel-releasing intrauterine system and a low-dose combined oral contraceptive for fibroid-related menorrhagia. [2011.02]

Comparison of levonorgestrel intrauterine system versus hysterectomy on efficacy and quality of life in patients with adenomyosis. [2011.02]

Postoperative medical treatment of chronic pelvic pain related to severe endometriosis: levonorgestrel-releasing intrauterine system versus gonadotropin-releasing hormone analogue. [2011.02]

Desogestrel+ethinylestradiol versus levonorgestrel+ethinylestradiol. Which one has better affect on acne, hirsutism, and weight change. [2011.01]

Levonorgestrel-releasing intrauterine system compared to low dose combined oral contraceptive pills for idiopathic menorrhagia: a randomized clinical trial. [2011.01]

Postplacental or delayed insertion of the levonorgestrel intrauterine device after vaginal delivery: a randomized controlled trial. [2010.11]

A randomized, double-blind, noninferiority study to compare two regimens of levonorgestrel for emergency contraception in Nigeria. [2010.10]

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. [2010.10]

Levonorgestrel-releasing intrauterine system or medroxyprogesterone for heavy menstrual bleeding: a randomized controlled trial. [2010.09]

Levonorgestrel-releasing intrauterine system (Mirena) and Depot medroxyprogesterone acetate (Depoprovera) as long-term maintenance therapy for patients with moderate and severe endometriosis: a randomised controlled trial. [2010.06]

Double-blind, randomized, placebo-controlled study on the effect of misoprostol on ease of consecutive insertion of the levonorgestrel-releasing intrauterine system. [2010.06]

A comparison between monophasic levonorgestrel-ethinyl estradiol 150/30 and triphasic levonorgestrel-ethinyl estradiol 50-75-125/30-40-30 contraceptive pills for side effects and patient satisfaction: a study in Iran. [2010.05]

The effect of hysterectomy or levonorgestrel-releasing intrauterine system on lower urinary tract symptoms: a 10-year follow-up study of a randomised trial. [2010.04]

Levonorgestrel effects on serum androgens, sex hormone-binding globulin levels, hair shaft diameter, and sexual function. [2010.04]

A randomized prospective trial comparing the levonorgestrel-releasing intrauterine system with thermal balloon ablation for the treatment of heavy menstrual bleeding. [2010.03]

Sino-implant (II)--a levonorgestrel-releasing two-rod implant: systematic review of the randomized controlled trials. [2010.03]

Ulipristal acetate versus levonorgestrel for emergency contraception: a randomised non-inferiority trial and meta-analysis. [2010.02.13]

Intrauterine contraception for adolescents aged 14-18 years: a multicenter randomized pilot study of levonorgestrel-releasing intrauterine system compared to the Copper T 380A. [2010.02]

Effects of the levonorgestrel-releasing intrauterine system on cardiovascular risk markers in patients with endometriosis: a comparative study with the GnRH analogue. [2010.02]

Randomized placebo-controlled trial of CDB-2914 in new users of a levonorgestrel-releasing intrauterine system shows only short-lived amelioration of unscheduled bleeding. [2010.02]

Effects of oral contraceptives containing ethinylestradiol with either drospirenone or levonorgestrel on various parameters associated with well-being in healthy women: a randomized, single-blind, parallel-group, multicentre study. [2010]

Assessment of two emergency contraceptive regimens in Iran: levonorgestrel versus the Yuzpe. [2009.12]

Continuous, daily levonorgestrel/ethinyl estradiol vs. 21-day, cyclic levonorgestrel/ethinyl estradiol: efficacy, safety and bleeding in a randomized, open-label trial. [2009.12]

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. [2009.11]

Effects of the levonorgestrel-releasing intrauterine system on cell proliferation, Fas expression and steroid receptors in endometriosis lesions and normal endometrium. [2009.11]

Prevention of tamoxifen induced endometrial polyps using a levonorgestrel releasing intrauterine system long-term follow-up of a randomised control trial. [2009.09]

The effect of levonorgestrel-releasing intrauterine device on menorrhagia in women taking anticoagulant medication after cardiac valve replacement. [2009.08]

Effects of doxycycline on serum and endometrial levels of MMP-2, MMP-9 and TIMP-1 in women using a levonorgestrel-releasing subcutaneous implant. [2009.06]

A Canadian, multicentre study comparing the efficacy of a levonorgestrel-releasing intrauterine system to an oral contraceptive in women with idiopathic menorrhagia. [2009.04]

Effect of sexual intercourse on the absorption of levonorgestrel after vaginal administration of 0.75 mg in Carraguard gel: a randomized, cross-over, pharmacokinetic study. [2009.02]

Effects of Mirena (levonorgestrel-releasing intrauterine system) and Ortho Gynae T380 intrauterine copper device on lipid metabolism--a randomized comparative study. [2009.01]

The effect of hysterectomy or levonorgestrel-releasing intrauterine system on lower abdominal pain and back pain among women treated for menorrhagia: a five-year randomized controlled trial. [2009]

Uterine ultrasonographic changes during endometriosis treatment: a comparison between levonorgestrel-releasing intrauterine devices and a gonadotropin-releasing hormone agonist. [2008.12]

Effects of ethinyl estradiol and ibuprofen compared to placebo on endometrial bleeding, cervical mucus and the postcoital test in levonorgestrel subcutaneous implant users. [2008.08]

Effects of CYP3A4 inhibitors on the pharmacokinetics of maraviroc in healthy volunteers. [2008.04]

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. [2008]

A randomised controlled trial of prophylactic levonorgestrel intrauterine system in tamoxifen-treated women. [2007.12]

A novel estrogen-free oral contraceptive pill for women: multicentre, double-blind, randomized controlled trial of mifepristone and progestogen-only pill (levonorgestrel). [2007.09]

Effect of a single vaginal administration of levonorgestrel in Carraguard(R) gel on the ovulatory process: a potential candidate for "dual protection" emergency contraception. [2007.08]

Randomised comparative trial of thermal balloon ablation and levonorgestrel intrauterine system in patients with idiopathic menorrhagia. [2007.08]

In vivo assessment of the human sperm acrosome reaction and the expression of glycodelin-A in human endometrium after levonorgestrel-emergency contraceptive pill administration. [2007.08]

Cost-utility of levonorgestrel intrauterine system compared with hysterectomy and second generation endometrial ablative techniques in managing patients with menorrhagia in the UK. [2007.07]

Well-designed clinical trials possibly related to Plan B One-Step (Levonorgestrel)

Intracervical lidocaine gel for intrauterine device insertion: a randomized controlled trial. [2012]

Quadriphasic versus monophasic oral contraceptives for contraception. [2011.11.09]

A randomized controlled trial of subantimicrobial-dose doxycycline to prevent unscheduled bleeding with continuous oral contraceptive pill use. [2011.09.28]

Steroidal contraceptives: effect on bone fractures in women. [2011.07.06]

Metabolic profile of a continuous versus a cyclic low-dose combined oral contraceptive after one year of use. [2011.04]

Carbamazepine coadministration with an oral contraceptive: effects on steroid pharmacokinetics, ovulation, and bleeding. [2011.02]

Vaginal misoprostol prior to insertion of an intrauterine device: an RCT. [2011.02]

Metabolic and haemostatic effects of estradiol valerate/dienogest, a novel oral contraceptive: a randomized, open-label, single-centre study. [2011]

Recommendations for intrauterine contraception: a randomized trial of the effects of patients' race/ethnicity and socioeconomic status. [2010.10]

Immediate pre-ovulatory administration of 30 mg ulipristal acetate significantly delays follicular rupture. [2010.09]

Mirena intra-uterine system: does it improve long term symptoms in women with chronic pelvic pain and/or endometriosis after laparoscopy? A multicentre randomized controlled trial. [2010.09]

Ovarian suppression in normal-weight and obese women during oral contraceptive use: a randomized controlled trial. [2010.08]

Effects of two combined hormonal contraceptives with the same composition and different doses on female sexual function and plasma androgen levels. [2010.08]

Immediate postabortal insertion of intrauterine devices. [2010.06.16]

Treatment of unscheduled bleeding in continuous oral contraceptive users with doxycycline: a randomized controlled trial. [2010.06]

Pharmacokinetics of a combined oral contraceptive in obese and normal-weight women. [2010.06]

A randomized clinical trial of two emergency contraceptive pill regimens in a Ugandan population. [2010.05]

An open-label, comparative study of the effects of a dose-reduced oral contraceptive containing 0.02 mg ethinylestradiol/2 mg chlormadinone acetate on hemostatic parameters and lipid and carbohydrate metabolism variables. [2010.05]

Treatment of premature ovarian failure trial: description of an ongoing clinical trial. [2010.03]

Suppression of follicular rupture with meloxicam, a cyclooxygenase-2 inhibitor: potential for emergency contraception. [2010.02]

Dose effects of oral estradiol on bone mineral density in Japanese women with osteoporosis. [2010.02]

Progestin-only pills for contraception. [2010.01.20]

Immediate pre-ovulatory administration of 30 mg ulipristal acetate significantly delays follicular rupture. [2010]

A randomized clinical trial of two emergency contraceptive pill regimens in a Ugandan population. [2010]

Treatment of clomiphene citrate-related ovarian cysts in a prospective randomized study. A single center experience. [2009.10]

Medical treatment for rectovaginal endometriosis: what is the evidence? [2009.10]

Influence of transdermal rotigotine on ovulation suppression by a combined oral contraceptive. [2009.09]

Microdose transdermal estrogen therapy for relief of vulvovaginal symptoms in postmenopausal women. [2009.09]

Combined oral contraceptive pills for treatment of acne. [2009.07.08]

Efficacy of celecoxib on controlling irregular uterine bleeding secondary to Jadelle use. [2009.03]

Influence of modified transdermal hormone replacement therapy on the concentrations of hormones, growth factors, and bone mineral density in women with osteopenia. [2009.01]

Effects of the contraceptive patch, the vaginal ring and an oral contraceptive on APC resistance and SHBG: a cross-over study. [2009]

Resectoscopic treatment of atypical endometrial polyps in fertile women. [2008.10]

Effect of combined oral contraceptives on breast epithelial proliferation in young women. [2008.09]

Evaluation of pituitary-ovarian axis suppression with three oral contraceptive regimens. [2008.03]

Endometrial effects of a 91-day extended-regimen oral contraceptive with low-dose estrogen in place of placebo. [2008.02]

Comparison of a transdermal contraceptive patch vs. oral contraceptives on hemostasis variables. [2008.02]

Efficacy of estriol in inhibiting epithelial proliferation in mammary fibroadenoma: randomized clinical trial. [2007.11.01]

Contraceptive vaginal ring use for women has less adverse metabolic effects than an oral contraceptive. [2007.11]

Lowest Effective Transdermal 17{beta}-Estradiol Dose for Relief of Hot Flushes in Postmenopausal Women: A Randomized Controlled Trial. [2007.10]

Effect of oral contraceptive with and without associated estriol on ultrasound measurements of breast fibroadenoma: randomized clinical trial. [2007.09.06]

Comparison of cycle control and side effects between transdermal contraceptive patch and an oral contraceptive in women older than 35 years. [2007.09]

Intrauterine release of progesterone antagonist ZK230211 is feasible and results in novel endometrial effects: a pilot study. [2007.09]

Long-term efficacy and tolerability of flutamide combined with oral contraception in moderate to severe hirsutism: a 12-month, double-blind, parallel clinical trial. [2007.09]

Other research related to Plan B One-Step (Levonorgestrel)

Low-dose levonorgestrel and ethinyl estradiol patch and pill: a randomized controlled trial. [2014]

Improving treatment for obese women with early stage cancer of the uterus: rationale and design of the levonorgestrel intrauterine device ± metformin ± weight loss in endometrial cancer (feMME) trial. [2014]

Levonorgestrel-releasing intrauterine system vs. usual medical treatment for menorrhagia: an economic evaluation alongside a randomised controlled trial. [2014]

Postplacental insertion of the levonorgestrel intrauterine device after cesarean delivery vs. delayed insertion: a randomized controlled trial. [2014]

Levonorgestrel intrauterine system versus medical therapy for menorrhagia. [2013]

A comparison of the effect of levonorgestrel IUD with oral medroxyprogesterone acetate on abnormal uterine bleeding with simple endometrial hyperplasia and fertility preservation. [2013]

Prophylactic use of levonorgestrel-releasing intrauterine system in women with breast cancer treated with tamoxifen: a randomized controlled trial. [2013]

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