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Oral progesterone

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https://www.readbyqxmd.com/read/29040622/neurokinin-b-regulates-gonadotropin-secretion-ovarian-follicle-growth-and-the-timing-of-ovulation-in-healthy-women
#1
Karolina Skorupskaite, Jyothis T George, Johannes D Veldhuis, Richard A Anderson
Context: Neurokinin B (NKB) is obligate for human puberty, but its role in adult female gonadotropin secretion and ovarian follicle growth is unknown. Objective: To investigate antagonism of NKB on pulsatile GnRH/LH secretion and ovarian follicle development in normal women. Design: Open investigation of the effects of a neurokinin-3 receptor antagonist (NK3Ra) vs no treatment control cycle. Setting: Clinical Research Facility...
October 12, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29036259/autoimmune-progesterone-dermatitis-a-diagnosis-to-consider-in-a-patient-with-cyclical-cutaneous-eruptions
#2
Alexa B Steuer, Sharon Scherl, Robin Ashinoff
Autoimmune progesterone dermatitis (APD) is a cyclical cutaneous reaction to progesterone, with symptoms that typically begin 3-10 days before the onset of menstrual flow and end 1-2 days into menses. The symptoms vary in severity from barely visible to anaphylaxis, but most often include an eczematous eruption, erythema multiforme, urticaria, folliculitis, and angioedema. This is a rare disorder with only a handful of documented cases. The pathogenesis of this condition remains unknown and significant variations in the presentation and severity of symptoms complicates its diagnosis...
October 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29031956/the-solubility-permeability-trade-off-of-progesterone-with-cyclodextrins-under-physiological-conditions-experimental-observations-and-computer-simulations
#3
Le Sun, Bing Zhang, Jin Sun
This study intended to evaluate the effect of cyclodextrins on the apparent solubility and permeability of lipophilic drugs under physiological conditions and establish in silico model to choose the optimal amount of cyclodextrins for cyclodextrin-containing oral formulations. In order to study the effect of cyclodextrins under physiological conditions, bile salts and lecithin were added into the rat intestinal perfusion solution to simulate the fasted intestinal fluid. In addition, the in vivo oral absorption performances of cyclodextrin-containing formulations were simulated by gastrointestinal simulation technology based on the advanced compartmental absorption and transit model (ACAT)...
October 12, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29025038/selective-progesterone-receptor-modulators-for-fertility-preservation-in-women-with-symptomatic-uterine-fibroids
#4
Mohamed Ali, Ayman Al-Hendy
Uterine Fibroids (UF, AKA: leiomyoma) are the most important benign neoplastic threat to women's health, with costs up to hundreds of billions of health care dollars worldwide. UF caused-morbidities exert a tremendous health toll, impacting the quality of life of women of all ethnicities, especially women of color. Clinical presentations include heavy vaginal bleeding, pelvic pain, bulk symptoms, subfertility, and obstetric complications. Current management strategies heavily lean towards surgical procedures, nonetheless the choice of treatment is generally subject to patient's age and her desire to preserve future fertility...
August 28, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29021759/effects-of-gladiolus-dalenii-on-the-stress-induced-behavioral-neurochemical-and-reproductive-changes-in-rats
#5
David Fotsing, Gwladys T Ngoupaye, Agnes C Ouafo, Stephanie K J Njapdounke, Yongabi A Kenneth, Elisabeth Ngo Bum
Gladiolus dalenii is a plant commonly used in many regions of Cameroon as a cure for various diseases like headaches, epilepsy, schizophrenia, and mood disorders. Recent studies have revealed that the aqueous extract of G. dalenii (AEGD) exhibited antidepressant-like properties in rats. Therefore, we hypothesized that the AEGD could protect from the stress-induced behavioral, neurochemical, and reproductive changes in rats. The objective of the present study was to elucidate the effect of the AEGD on behavioral, neurochemical, and reproductive characteristics, using female rats subjected to chronic immobilization stress...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28989916/use-of-progesterone-supplement-therapy-for-prevention-of-preterm-birth-review-of-literatures
#6
REVIEW
Suk-Joo Choi
Preterm birth (PTB) is one of the most common complications during pregnancy and it primarily accounts for neonatal mortality and numerous morbidities including long-term sequelae including cerebral palsy and developmental disability. The most effective treatment of PTB is prediction and prevention of its risks. Risk factors of PTB include history of PTB, short cervical length (CL), multiple pregnancies, ethnicity, smoking, uterine anomaly and history of curettage or cervical conization. Among these risk factors, history of PTB, and short CL are the most important predictive factors...
September 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28977777/omega-3-polyunsaturated-fatty-acid-docosahexaenoic-acid-and-its-role-in-exhaustive-exercise-induced-changes-in-female-rat-ovulatory-cycle
#7
Abeer F Mostafa, Shereen M Samir, Reham M Nagib
INTRODUCTION: Exhaustive exercises can cause delayed menarche or menstrual cycle irregularities in female. Omega-3 polyunsaturated fatty acids (ω-3 PUFAs) are incorporated into a wide range of benefits in many physiological systems. AIM OF WORK: aimed to assess the role of ω-3 PUFA docosahexaenoic acid (DHA) on the deleterious effects of exhaustive exercise on female reproductive system in rats. MATERIALS AND METHODS: virgin female rats were randomly divided into four groups (12 rats in each): Control group (C), Omega 3 (ω-3) group treated with DHA, exhaustive exercise group (Ex), and exhaustive exercised rats treated with DHA...
October 4, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28964809/continuous-soy-isoflavones-exposure-from-weaning-to-maturity-induces-downregulation-of-ovarian-steroidogenic-factor-1-gene-expression-and-corresponding-changes-in-dna-methylation-pattern
#8
Wenxiang Wang, Yan Sun, Yiwei Guo, Ping Cai, Yuchen Li, Jin Liu, Guoxi Cai, Aoyagi Kiyoshi, Wenchang Zhang
Female Wistar rats were treated with orally administered soy isoflavones at concentrations of 0, 25, 50, or 100mg/kg body weight from weaning until sexual maturity (3 mo.), and ovarian steroidogenesis was evaluated. After soy isoflavones were administered, a significant (P<0.05) decrease (44%) in the serum estrodial levels of the high-dose (HD) group were observed. Cultured granulosa cells from the middle- (MD) and HD groups showed significantly (P<0.05) reduced (31%, 45%, respectively) in vitro estradiol secretion, and those from the HD group showed significantly (P<0...
September 27, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28963092/comparing-the-effects-of-oral-contraceptives-containing-levonorgestrel-with-products-containing-antiandrogenic-progestins-on-clinical-hormonal-and-metabolic-parameters-and-quality-of-life-in-women-with-polycystic-ovary-syndrome-crossover-randomized-controlled
#9
Mina Amiri, Fatemeh Nahidi, Davood Khalili, Razieh Bidhendi-Yarandi, Fahimeh Ramezani Tehrani
BACKGROUND: Oral contraceptives (OCs) have been used as a first-line option for medical treatment in women with polycystic ovary syndrome (PCOS). Despite theoretical superiority of products containing antiandrogenic progestins compared to OCs containing levonorgestrel (LNG), the clinical advantage of these compounds remains unclear. OBJECTIVE: The aim of this study was to compare the effects of OCs containing LNG with products containing antiandrogenic progestins including cyproterone acetate, drospirenone, and desogestrel on clinical, hormonal, and metabolic parameters and quality of life in women with PCOS...
September 29, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28956650/mucoadhesive-tablets-for-the-vaginal-delivery-of-progesterone-in-vitro-evaluation-and-pharmacokinetics-pharmacodynamics-in-female-rabbits
#10
Abeer S Hassan, Ghareb M Soliman, Marwa F Ali, Mona M El-Mahdy, Gamal El-Din A El-Gindy
OBJECTIVE: To develop mucoadhesive tablets for the vaginal delivery of progesterone (P4) to overcome its low oral bioavailability resulting from drug hydrophobicity and extensive hepatic metabolism. METHODS: The tablets were prepared using mixtures of P4/Pluronic® F-127 solid dispersion and different mucoadhesive polymers. The tablets were evaluated for physical properties, swelling index, mucoadhesive properties and drug release kinetics. P4 pharmacokinetic and pharmacodynamic properties were evaluated in female rabbits and compared with vaginal micronized P4 tablets and intramuscular (IM) P4 injection, respectively...
September 28, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28949010/the-value-of-oral-micronized-progesterone-in-the-prevention-of-recurrent-spontaneous-preterm-birth-a-randomized-controlled-trial
#11
Sherif Ashoush, Osama El-Kady, Gehan Al-Hawwary, Ahmed Othman
INTRODUCTION: Progesterone is becoming universally accepted for preventing recurrent spontaneous preterm delivery (SPD). There is, however, poor consensus on the effective types and doses of progesterone to be used. Despite the encouraging available research, the role of oral micronized progesterone has not yet been thoroughly investigated. MATERIAL AND METHODS: We randomized 212 singleton pregnancies, with past history of SPD at <37 weeks, into a progesterone group (receiving 100 mg oral micronized progesterone, 6 hourly, starting at 14-18 weeks until 37 weeks or delivery) and an identical placebo group...
September 26, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28947909/antiobesity-activities-of-methanolic-extracts-of-amaranthus-dubius-cucurbita-pepo-and-vigna-unguiculata-in-progesterone-induced-obese-mice
#12
Kathryn Wanjiku Nderitu, Njagi Shadrack Mwenda, Ndegwa John Macharia, Stephen Super Barasa, Mathew Piero Ngugi
Amaranthus dubius, Vigna unguiculata, and Cucurbita pepo are traditionally used to manage obesity in Kenya but lack scientific validation to support their use. The aim of this study was to determine the antiobesity activity of methanolic leaf extracts of these plants in progesterone-induced obese mice. The activity of the methanolic leaf extracts was orally bioscreened in progesterone-induced obese mice at 200 mg/kg/bw and 400 mg/kg/bw. Body mass index was calculated once per week for four weeks and blood samples were obtained at the end of the experiment for lipid profile analysis...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28943442/the-quest-for-exceptional-drug-solubilization-in-diluted-surfactant-solutions-and-consideration-of-residual-solid-state
#13
Wiebke Saal, Nicole Wyttenbach, Jochem Alsenz, Martin Kuentz
Solubility screening in different surfactant solutions is an important part of pharmaceutical profiling. A particular interest is in low surfactant concentrations that mimic the dilution of an oral dosage form. Despite of intensive previous research on solubilization in micelles, there is only limited data available at low surfactant concentrations and generally missing is a physical state analysis of the residual solid. The present work therefore studied 13 model drugs in 6 different oral surfactant solutions (0...
September 22, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28938733/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
#14
Herman Tournaye, Gennady T Sukhikh, Elke Kahler, Georg Griesinger
No abstract text is available yet for this article.
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28927899/does-hormonal-contraception-during-molar-pregnancy-follow-up-influence-the-risk-and-clinical-aggressiveness-of-gestational-trophoblastic-neoplasia-after-controlling-for-risk-factors
#15
Patrícia Rangel Sobral Dantas, Izildinha Maestá, Jorge Rezende Filho, Joffre Amin Junior, Kevin M Elias, Neil Howoritz, Antonio Braga, Ross S Berkowitz
OBJECTIVE: To evaluate the influence of hormonal contraception (HC) on the development and clinical aggressiveness of gestational trophoblastic neoplasia (GTN) and the time for normalization of human chorionic gonadotropin (hCG) levels. METHODS: A retrospective cohort study was conducted with women diagnosed with molar pregnancy, followed at the Rio de Janeiro Trophoblastic Disease Center, between January 2005 and January 2015. The occurrence of postmolar GTN and the time for hCG normalization between users of HC or barrier methods (BM) during the postmolar follow-up or GTN treatment were evaluated...
September 16, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28926762/progesterone-for-smoking-relapse-prevention-following-delivery-a-pilot-randomized-double-blind-study
#16
Ariadna Forray, Kathryn Gilstad-Hayden, Cristine Suppies, Debra Bogen, Mehmet Sofuoglu, Kimberly A Yonkers
INTRODUCTION: Close to half of women who were smokers prior to conception quit smoking in pregnancy, when endogenous progesterone levels are high. However, at least half resume pre-pregnancy smoking levels within weeks after delivery and when progesterone levels drop. The current pilot study tested the feasibility and preliminary efficacy of postpartum progesterone replacement in preventing relapse to smoking in postpartum women with a history of pre-pregnancy smoking. METHODS: This was an 8-week, double-blind, parallel, randomized, placebo-controlled pilot trial of 41 women with a history of pre-pregnancy smoking who achieved abstinence by 32 weeks of gestation...
September 14, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28915843/protective-effects-of-gaba-against-metabolic-and-reproductive-disturbances-in-letrozole-induced-polycystic-ovarian-syndrome-in-rats
#17
Asad Ullah, Sarwat Jahan, Suhail Razak, Madeeha Pirzada, Hizb Ullah, Ali Almajwal, Naveed Rauf, Tayyaba Afsar
BACKGROUND: PCOs is a heterogeneous disorder with anovulation/oligo ovulation usually taken as oligo menorrhoea or amenorrhoea, hyperandrogenemia, hirsutism, acne, androgen alopecia and polycystic ovaries as the key diagnostic feathers. The study was undertaken to investigate the possible protective and ameliorating effects of GABA in Letrozole induced PCOS model in rats by targeting insulin resistance. METHODS: PCOs in Adult female rat was induced by the daily gastric administration of letrozole (1 mg/kg/day) in CMC (0...
September 15, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28912620/hormonal-contraception-and-the-development-of-autoimmunity-a-review-of-the-literature
#18
William V Williams
Estrogens and progestins are known to have profound effects on the immune system and may modulate the susceptibility to autoimmune diseases. A comprehensive literature search was carried out using PubMed for any of 153 autoimmune disease terms and the terms contraception, contraceptive, or their chemical components with limits of Humans + Title or Abstract. Over 1,800 titles were returned and scanned, 352 papers retrieved and reviewed in depth and an additional 70 papers retrieved from the bibliographies. Based on this review, substantial evidence exists linking the use of combined oral contraceptives to a lower incidence of hyperthyroidism, an increase in multiple sclerosis, ulcerative colitis, Crohn's disease, Systemic Lupus Erythematosus, and interstitial cystitis...
August 2017: Linacre Quarterly
https://www.readbyqxmd.com/read/28911135/is-it-me-or-my-hormones-neuroendocrine-activation-profiles-to-visual-food-stimuli-across-the-menstrual-cycle
#19
Yardena Arnoni-Bauer, Atira Bick, Noa Raz, Tal Imbar, Shoshana Amos, Orly Agmon, Limor Marko, Netta Levin, Ram Weiss
Context: Homeostatic energy balance is controlled via the hypothalamus, whereas regions controlling reward and cognitive decision-making are critical for hedonic eating. Eating varies across the menstrual cycle peaking at the midluteal phase. Objective: To test responses of females with regular cycles during midfollicular and midluteal phase and of users of monophasic oral contraception pills (OCPs) to visual food cues. Design: Participants performed a functional magnetic resonance imaging while exposed to visual food cues in four time points: fasting and fed conditions in midfollicular and midluteal phases...
September 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28906053/the-effects-of-menstrual-cycle-phase-on-the-incidence-of-plateau-at-v%C3%AB-o2max-and-associated-cardiorespiratory-dynamics
#20
Dan Gordon, Adrian Scruton, Richard Barnes, James Baker, Luciano Prado, Viviane Merzbach
The purpose of this study was to examine the effect of menstrual cycle phase on maximal oxygen uptake (V˙O2max) and associated cardiodynamic responses. A total of 16 active females volunteered of which n = 10 formed the non-oral contraceptive pill group (n-OCP), displaying a regular menstrual cycle of 28·4 ± 2·2 days (age 20·6 ± 1·6 years, height 169·9 ± 6·4 cm, mass 68·7 ± 7·9 kg) and n = 6 formed the oral contraceptive pill group (OCP) (monophasic pill) (age 21·7 years ± 2·16, height 168·1 cm ± 6·8 cm, mass 61·6 ± 6·8 kg)...
September 14, 2017: Clinical Physiology and Functional Imaging
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