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Progesterone administration

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https://www.readbyqxmd.com/read/28333318/a-phase-iii-randomized-controlled-trial-comparing-the-efficacy-safety-and-tolerability-of-oral-dydrogesterone-versus-micronized-vaginal-progesterone-for-luteal-support-in-in-vitro-fertilization
#1
Herman Tournaye, Gennady T Sukhikh, Elke Kahler, Georg Griesinger
STUDY QUESTION: Is oral dydrogesterone 30 mg daily (10 mg three times daily [TID]) non-inferior to micronized vaginal progesterone (MVP) 600 mg daily (200 mg TID) for luteal support in in vitro fertilization (IVF), assessed by the presence of fetal heartbeats determined by transvaginal ultrasound at 12 weeks of gestation? SUMMARY ANSWER: Non-inferiority of oral dydrogesterone versus MVP was demonstrated at 12 weeks of gestation, with a difference in pregnancy rate and an associated confidence interval (CI) that were both within the non-inferiority margin...
March 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28332278/a-comparative-study-of-the-effects-of-intramuscular-administration-of-gonadorelin-mating-and-intrauterine-infusion-of-either-raw-seminal-plasma-or-seminal-plasma-purified-%C3%AE-ngf-on-luteal-development-in-llamas
#2
M Silva, F Urra, C Ulloa-Leal, M H Ratto
The aim of this study was to compare the effect of the intramuscular administration of 50 μg of gonadorelin acetate versus natural mating, intrauterine infusion (i.u.) of a physiological relevant dose of either raw llama seminal plasma (SP) or purified beta-nerve growth factor from seminal origin (spβ-NGF) on ovulation rate and corpus luteum (CL) development and function in llamas. Females with a follicle (≥8 mm) were assigned to groups: (i) i.m. administration of 50 μg of gonadorelin acetate (GnRH; positive control; n = 4); (ii) single mating (mating; n = 6); (iii) i...
March 22, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28326509/the-steroid-response-to-human-chorionic-gonadotropin-hcg-stimulation-in-men-with-klinefelter-syndrome-does-not-change-using-immunoassay-or-mass-spectrometry
#3
L Roli, D Santi, S Belli, S Tagliavini, S Cavalieri, M C De Santis, E Baraldi, F Fanelli, M Mezzullo, A R Granata, U Pagotto, R Pasquali, V Rochira, C Carani, M Simoni, T Trenti
PURPOSE: Liquid-chromatography tandem mass-spectrometry (LC-MS/MS) was developed in parallel to Immunoassays (IAs) and today is proposed as the "gold standard" for steroid assays. Leydig cells of men with Klinefelter syndrome (KS) are able to respond to human chorionic gonadotropin (hCG) stimulation, even if testosterone (T) production was impaired. The aim was to evaluate how results obtained by IAs and LC-MS/MS can differently impact on the outcome of a clinical research on gonadal steroidogenesis after hCG stimulation...
March 21, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28323948/dose-dependent-suppression-of-gonadotropins-and-ovarian-hormones-by-elagolix-in-healthy-premenopausal-women
#4
Juki Ng, Kristof Chwalisz, David C Carter, Cheri E Klein
Context: Elagolix is a nonpeptide, oral gonadotropin-releasing hormone (GnRH) antagonist being developed for sex-hormone dependent diseases in women. Objective: To evaluate the pharmacokinetics and pharmacodynamics of elagolix. Design, Setting, and Participants: Randomized, double-blind, placebo-controlled, multiple-ascending dose study in 45 healthy premenopausal women at a research unit. Interventions: Elagolix 150 mg once daily or 100, 200, 300 or 400 mg twice daily or placebo for 21 days...
February 16, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28322310/hormone-therapy-at-early-post-menopause-increases-cognitive-control-related-prefrontal-activity
#5
Romuald Girard, Elise Météreau, Julie Thomas, Michel Pugeat, Chen Qu, Jean-Claude Dreher
Clinical data have been equivocal and controversial as to the benefits to the brain and cognition of hormone therapy (HT) in postmenopausal women. Recent reevaluation of the role of estrogens proposed that HT may effectively prevent the deleterious effects of aging on cognition, and reduces the risks of dementia, including Alzheimer's disease, if initiated early at the beginning of menopause. Yet, little is known about the effects of HT on brain activation related to cognitive control, the ability to make flexible decisions in relation to internal goals...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28318214/preterm-labor-prevention-and-management
#6
Kristen Rundell, Bethany Panchal
In the United States, preterm delivery is the leading cause of neonatal morbidity and is the most common reason for hospitalization during pregnancy. The rate of preterm delivery (before 37 weeks' gestation) has been declining since 2007. Clinical diagnosis of preterm labor is made if there are regular contractions and concomitant cervical change. Less than 10% of women with a clinical diagnosis of preterm labor will deliver within seven days of initial presentation. Women with a history of spontaneous preterm delivery are 1...
March 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/28301216/bioidentical-menopausal-hormone-therapy-registered-hormones-non-oral-estradiol%C3%A2-%C3%A2-%C3%A2-progesterone-are-optimal
#7
M L'Hermite
The many advantages of registered bioidentical sex hormones over registered, conventional, non-bioidentical menopausal hormone therapy (MHT) are considered. The transdermal route of estrogen administration avoids excess venous thromboembolic and ischemic stroke events. There is some indication that conjugated equine estrogens are more thrombogenic and most likely induce some hypertensive responses; estradiol might also be superior to conjugated equine estrogens (CEE) in terms of global cardiovascular health...
March 16, 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28295285/tolosa-hunt-syndrome-presenting-during-pregnancy-following-progesterone-administration
#8
Charles E Litwin, Annie S O Leung
Tolosa-Hunt syndrome (THS) is a rare disease with an estimated incidence of 1 case per 1 million people per year [1]. A 24 year-old woman (G2 P0 A1 ) at 37(+3) weeks of pregnancy presented at the study institution reporting a 2-week unilateral headache on the left side, worsening nausea, and 1 day of progressively worsening left eye diplopia and photophobia. No significant medical or surgical history was reported, and the index pregnancy had been uncomplicated with the exception of some first-trimester bleeding that resulted in the patient being prescribed vaginal progesterone as part of a clinical trial...
March 10, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28278441/facilitation-of-sexual-behavior-in-ovariectomized-rats-by-estradiol-and-testosterone-a-preclinical-model-of-androgen-effects-on-female-sexual-desire
#9
Sherri Lee Jones, Nafissa Ismail, James G Pfaus
In the United States and Canada, there are no approved treatments for hypoactive sexual desire disorder in postmenopausal women. Testosterone improves female sexual desire in naturally- and surgically-menopausal women maintained on estrogen replacement therapy, and long-term safety data from randomized placebo-controlled clinical trials has yielded promising results. However, the mechanisms associated with its efficacy are not known, and could be addressed using preclinical rodent models; yet there is no systematic evaluation of the effects of estradiol and testosterone on female rat sexual behavior...
February 17, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28277105/the-induction-of-ovulation-by-pulsatile-administration-of-gnrh-an-appropriate-method-in-hypothalamic-amenorrhea
#10
Fotini Christou, Nelly Pitteloud, Fulgencio Gomez
The induction of ovulation by the means of a pump which assures the pulsatile administration of GnRH is a well-known method that applies to women suffering from amenorrhea of hypothalamic origin. Although a simple and efficient method to establish fertility, it is underused. Twelve patients suffering from this condition, 1 Kallmann syndrome, 4 normosmic isolated hypogonadotropic hypogonadism, and 7 functional hypothalamic amenorrhea desiring pregnancy were treated. They underwent one or more cycles of pulsatile GnRH, at a frequency of 90 minutes, either by the intravenous or the subcutaneous route...
March 6, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28276192/the-pregnancy-outcome-of-progesterone-primed-ovarian-stimulation-using-medroxyprogesterone-acetate4mg-versus-10mg-daily-in-infertile-women-undergoing-in-vitro-fertilization-a-randomized-controlled-trial
#11
J Dong, Y Wang, W R Chai, Q Q Hong, N L Wang, L H Sun, H Long, L Wang, H Tian, Q F Lyu, X F Lu, Q J Chen, Y P Kuang
OBJECTIVE: To investigate the clinical outcome and endocrinological characteristics of progestin-primed ovarian stimulation (PPOS) using medroxyprogesterone acetate (MPA) 4mg versus 10mg daily in infertile women with normal ovary reserve. DESIGN: A randomized parallel controlled trial. SETTING: Tertiary-care academic medical center. PARTICIPANTS: 300 infertile women undergoing IVF/ICSI treatment. METHODS: HMG 225IU/d and MPA (group A: 10mg/d; group B: 4mg/d) were started simultaneously from cycle day 3 onwards...
March 9, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28272720/the-efficacy-of-modified-luteal-phase-support-with-intramuscular-progesterone-in-ivf-icsi-cycles-a-retrospective-observational-study
#12
A Conforti, I Strina, A Mollo, R Amoroso, V Marrone, C Alviggi, R Marci, G de Placido
OBJECTIVE: The use of gonadotropin-releasing hormone agonist for ovulation triggering has become an intriguing topic in the last few years. As long as adequate luteal phase support is provided, it may be a valuable alternative to standard hCG triggering, associated with a significant reduction in OHSS incidence. Several luteal phase support options have been proposed, but few studies have addressed the issue of the appropriate route for progesterone administration to women triggered with GnRHa...
February 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28258785/establishment-of-critical-timing-of-progesterone-supplementation-on-corpus-luteum-and-embryo-development-in-beef-heifers
#13
M H Parr, S Scully, P Lonergan, A C O Evans, M A Crowe, M G Diskin
Optimal concentrations of progesterone (P4) during early pregnancy are a major determinant of embryo survival in cattle. This study examined the effects of P4 supplementation, following a period of induced low P4, on corpus luteum (CL) development, circulating P4 concentrations and embryo development. A total of 107 beef heifers from one herd were used in the study. Following AI (Day 0) at a synchronized oestrus, heifers were randomly assigned to 1 of 5 treatment groups: (1) no subsequent treatment (control; n=15); (2) administration of a synthetic prostaglandin F2α analogue (PG) on Days 3, 3...
February 17, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28254221/progesterone-estradiol-ratio-0-25-on-the-day-of-human-chorionic-gonadotropin-administration-is-associated-with-adverse-pregnancy-outcomes-in-prolonged-protocols-for-in%C3%A2-vitro-fertilization-intracytoplasmic-sperm-injection
#14
Yuan Li, Keli Luo, Yi Tang, Ge Lin, Guangxiu Lu, Fei Gong
OBJECTIVE: It has been suggested that a progesterone/estradiol ratio (P/E2) ≥ 1.0 on the day of human chorionic gonadotropin (hCG) administration indicates premature luteinization and might be associated with an adverse pregnancy; however, a lower limit of this ratio has not been determined. We aimed to identify a lower limit of P/E2 that correlates significantly with an increase in adverse pregnancies in patients undergoing a prolonged in vitro fertilization/intracytoplasmic sperm injection therapy...
February 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28253390/adjuvant-capecitabine-in-combination-with-docetaxel-epirubicin-and-cyclophosphamide-for-early-breast-cancer-the-randomized-clinical-finxx-trial
#15
Heikki Joensuu, Pirkko-Liisa Kellokumpu-Lehtinen, Riikka Huovinen, Arja Jukkola-Vuorinen, Minna Tanner, Riitta Kokko, Johan Ahlgren, Päivi Auvinen, Outi Lahdenperä, Sanna Kosonen, Kenneth Villman, Paul Nyandoto, Greger Nilsson, Paula Poikonen-Saksela, Vesa Kataja, Jouni Junnila, Petri Bono, Henrik Lindman
Importance: Capecitabine is not considered a standard agent in the adjuvant treatment of early breast cancer. The results of this study suggest that addition of adjuvant capecitabine to a regimen that contains docetaxel, epirubicin, and cyclophosphamide improves survival outcomes of patients with triple-negative breast cancer (TNBC). Objective: To investigate the effect of capecitabine on long-term survival outcomes of patients with early breast cancer, particularly in subgroups defined by cancer estrogen receptor (ER) and progesterone receptor (PR) content, and HER2 content (human epidermal growth factor receptor 2)...
March 2, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28253299/combinatorial-effects-of-quercetin-and-sex-steroids-on-fluid-and-electrolytes-na-cl-hco3-secretory-mechanisms-in-the-uterus-of-ovariectomised-female-sprague-dawley-rats
#16
Huma Shahzad, Nelli Giribabu, Kamarulzaman Karim, Normadiah M Kassim, Sekaran Muniandy, Naguib Salleh
Dysregulation of uterine fluid environment could impair successful reproduction and this could be due to the effect of environmental estrogens. Therefore, in this study, effect of quercetin, an environmental estrogen on uterine fluid and electrolytes concentrations were investigated under sex-steroid influence. Ovariectomised adult female Sprague-Dawley rats were given 10, 50 or 100mg/kg/day quercetin subcutaneously with 17-β estradiol (E) for seven days or three days E, then three days E plus progesterone (P) (E+P) treatment...
2017: PloS One
https://www.readbyqxmd.com/read/28250300/the-deterioration-of-the-glycemic-profile-during-hormone-replacement-therapy-in-a-patient-with-fulminant-type-1-diabetes
#17
Sho Tanaka, Mikano Hishiki, Junko Ogasawara, Erisa Sorimachi, Mari Nakayama
Although most women with type 1 diabetes experience the normal transition to menopause, there is little information about the impact of hormone replacement therapy on their glycemic profiles. A 54-year-old postmenopausal woman with fulminant type 1 diabetes was admitted to our hospital due to diabetic ketoacidosis. She was treated with fluid replacement and a continuous insulin infusion. Thereafter, her glycemic profile was well maintained by daily multiple insulin injections. However, her glycemic profiles immediately deteriorated following the administration of progesterone in hormone replacement therapy...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28246628/outcomes-and-recommendations-of-an-indian-expert-panel-for-improved-practice-in-controlled-ovarian-stimulation-for-assisted-reproductive-technology
#18
REVIEW
Baiju Ahemmed, Vani Sundarapandian, Rohit Gutgutia, Sathya Balasubramanyam, Richa Jagtap, Reeta Biliangady, Priti Gupta, Sachin Jadhav, Ruma Satwik, Pavitra Raj Dewda, Priti Thakor, Sandro C Esteves
Purpose. To improve success of in vitro fertilization (IVF), assisted reproductive technology (ART) experts addressed four questions. What is optimum oocytes number leading to highest live birth rate (LBR)? Are cohort size and embryo quality correlated? Does gonadotropin type affect oocyte yield? Should "freeze-all" policy be adopted in cycles with progesterone >1.5 ng/mL on day of human chorionic gonadotropin (hCG) administration? Methods. Electronic database search included ten studies on which panel gave opinions for improving current practice in controlled ovarian stimulation for ART...
2017: International Journal of Reproductive Medicine
https://www.readbyqxmd.com/read/28244343/effect-of-two-low-doses-of-prostaglandin-f2%C3%AE-on-luteolysis-in-dairy-cows
#19
Tsung-Ching Liu, Chia-Yu Ho, Jacky Peng-Wen Chan
In this preliminary study, we determined the effect of a modified method involving the administration of two low doses of prostaglandin F2α (PGF2α) at an interval of 24 h on luteolysis in dairy cows, and compared it with the standard single-dose method. Twenty-six cows were assigned to three groups treated with two low doses (TLD group, n = 10), one standard dose (SD group, n = 10), and one low dose (OLD group, n = 6) on day 9 to 10 of the oestrous cycle (day 0 = the day of PGF2α administration). Their serum progesterone (P4) levels and corpus luteum (CL) sizes were measured daily from day 0 to 4 to assess CL regression...
March 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28240519/triple-negative-breast-cancer-at-the-university-hospital-mohammed-vi-%C3%A2-oujda
#20
o Al jarroudi, n Abda, Sa Brahmi, S Afqir
Introduction: The triple-negative breast cancer (TNBC), defined by the absence of receptors to oestrogen and progesterone and no histochemical expression of human epidermal receptor -2, is associated with a particularly aggressive behavior. The aim of our study was to determine the clinico-pathological, therapeutic and prognostic features associated with this type of breast cancer in Morocco. Methods: A cohort retrospective study, spread over 3 years, was conducted of 116 breast cancer patients, diagnosed between January 2009 and December 2011 at the Regional Center of Oncology...
January 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
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