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Medroxyprogesterone acetate

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https://www.readbyqxmd.com/read/28437215/contraceptive-use-and-pregnancy-incidence-among-women-participating-in-an-hiv-prevention-trial
#1
Carolyne A Akello, Katherine E Bunge, Clemensia Nakabiito, Brenda G Mirembe, Mary Glenn Fowler, Anupam Mishra, Jeanne Marrazzo, Zvavahera M Chirenje, Connie Celum, Jennifer E Balkus
BACKGROUND: Recent HIV prevention trials required use of effective contraceptive methods to fulfill eligibility for enrollment. We compared pregnancy rates in a subset of participants enrolled in the Microbicide Trials Network protocol (MTN-003), a randomized trial of chemoprophylaxis to prevent HIV acquisition among women aged 18-45 years who initiated depot medroxyprogesterone acetate (DMPA) or combined oral contraceptives (COCs) at enrollment, relative to those already using DMPA or COCs...
February 17, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28433626/thrombin-impairs-human-endometrial-endothelial-angiogenesis-implications-for-progestin-only-contraceptive-induced-abnormal-uterine-bleeding
#2
John P Shapiro, Ozlem Guzeloglu-Kayisli, Umit A Kayisli, Nihan Semerci, S Joseph Huang, Sefa Arlier, Kellie Larsen, Paolo Fadda, Frederick Schatz, Charles J Lockwood
OBJECTIVE: Progestin-only contraceptives induce abnormal uterine bleeding, accompanied by pro-thrombin leakage from dilated endometrial microvessels and increased thrombin generation by human endometrial stromal cell (HESC)-expressed tissue factor. Initial studies of the thrombin-treated HESC secretome identified elevated levels of cleaved chondroitin sulfate proteoglycan 4 (CSPG4), impairing pericyte-endothelial interactions. Thus, we investigated direct and CSPG4-mediated effects of thrombin in eliciting abnormal uterine bleeding by disrupting endometrial angiogenesis...
April 19, 2017: Contraception
https://www.readbyqxmd.com/read/28416734/the-angiotensin-receptor-blocker-losartan-inhibits-mammary-tumor-development-and-progression-to-invasive-carcinoma
#3
Rhiannon Coulson, Seng H Liew, Angela A Connelly, Nicholas S Yee, Siddhartha Deb, Beena Kumar, Ana C Vargas, Sandra A O'Toole, Adam C Parslow, Ashleigh Poh, Tracy Putoczki, Riley J Morrow, Mariah Alorro, Kyren A Lazarus, Evie F W Yeap, Kelly L Walton, Craig A Harrison, Natalie J Hannan, Amee J George, Colin D Clyne, Matthias Ernst, Andrew M Allen, Ashwini L Chand
Drugs that target the Renin-Angiotensin System (RAS) have recently come into focus for their potential utility as cancer treatments. The use of Angiotensin Receptor Blockers (ARBs) and Angiotensin-Converting Enzyme (ACE) Inhibitors (ACEIs) to manage hypertension in cancer patients is correlated with improved survival outcomes for renal, prostate, breast and small cell lung cancer. Previous studies demonstrate that the Angiotensin Receptor Type I (AT1R) is linked to breast cancer pathogenesis, with unbiased analysis of gene-expression studies identifying significant up-regulation of AGTR1, the gene encoding AT1R in ER+ve/HER2-ve tumors correlating with poor prognosis...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28412861/the-association-between-progestins-nuclear-receptors-expression-and-inflammation-in-endometrial-stromal-cells-from-women-with-endometriosis
#4
Giovanni Grandi, Michael D Mueller, Nick A Bersinger, Fabio Facchinetti, Brett D McKinnon
Endometriosis is an inflammatory disease and nuclear receptors play a crucial role in mediating the inflammatory response. In endometrial stromal cells (ESC), nuclear receptors expression can be influenced by the local environment. Progestins are first-line, on-label treatments of endometriosis that may have direct effects on endometriotic lesions through these nuclear receptors. Therefore, we investigated whether there was an association between nuclear receptors expression and the influence of progestins on inflammatory cytokines production in a preliminary, in vitro study with primary cultures...
April 17, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28407854/corrigendum-to-failure-of-a-single-dose-of-medroxyprogesterone-acetate-to-induce-uterine-infertility-in-postnatally-treated-domestic-cats-theriogenology-85-4-2016-718-723
#5
M Lopez Merlo, M Faya, P G Blanco, A Carransa, C Barbeito, C Gobello
No abstract text is available yet for this article.
May 2017: Theriogenology
https://www.readbyqxmd.com/read/28381443/effects-of-injectable-progestogen-contraception-versus-the-copper-intrauterine-device-on-hiv-acquisition-sub-study-of-a-pragmatic-randomised-controlled-trial
#6
G Justus Hofmeyr, Mandisa Singata-Madliki, Theresa A Lawrie, Eduardo Bergel, Marleen Temmerman
BACKGROUND: Evidence from observational studies suggests an increased risk of HIV acquisition among women using depot medroxyprogesterone acetate (DMPA) contraception. METHODS: Within the context of a South African programme to increase women's access to the intrauterine contraceptive device (IUD), we conducted a pragmatic, open-label, parallel-arm, randomised controlled trial (RCT) of the IUD versus injectable progestogen contraception (IPC) at two South African hospitals...
April 5, 2017: Journal of Family Planning and Reproductive Health Care
https://www.readbyqxmd.com/read/28376149/mammographic-density-change-with-estrogen-and-progestin-therapy-and-breast-cancer-risk
#7
Celia Byrne, Giske Ursin, Christopher F Martin, Jennifer D Peck, Elodia B Cole, Donglin Zeng, Eunhee Kim, Martin D Yaffe, Norman F Boyd, Gerardo Heiss, Anne McTiernan, Rowan T Chlebowski, Dorothy S Lane, JoAnn E Manson, Jean Wactawski-Wende, Etta D Pisano
Background: Estrogen plus progestin therapy increases both mammographic density and breast cancer incidence. Whether mammographic density change associated with estrogen plus progestin initiation predicts breast cancer risk is unknown. Methods: We conducted an ancillary nested case-control study within the Women's Health Initiative trial that randomly assigned postmenopausal women to daily conjugated equine estrogen 0.625 mg plus medroxyprogesterone acetate 2...
September 1, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28363508/risk-factors-associated-with-the-onset-and-progression-of-alzheimer-s-disease-a-systematic-review-of-the-evidence
#8
Mona Hersi, Brittany Irvine, Pallavi Gupta, James Gomes, Nicholas Birkett, Daniel Krewski
A systematic review was conducted to identify risk factors associated with the onset and progression of Alzheimer's disease (AD). Moderate and high quality systematic reviews were eligible for inclusion. Primary studies reporting on non-genetic risk factors associated with neuropathologically or clinically confirmed AD were considered. Eighty one systematic reviews reporting on AD onset and 12 reporting on progression satisfied the eligibility criteria. Four hundred and thirty-two relevant primary studies reporting on onset were identified; however, only those published between 2010 and 2012 (n=65) were included in the qualitative synthesis...
March 28, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28346240/combined-oral-medroxyprogesterone-levonorgestrel-intrauterine-system-treatment-for-women-with-grade-2-stage-ia-endometrial-cancer
#9
Ji Young Hwang, Da Hee Kim, Hyo Sook Bae, Mi-La Kim, Yong Wook Jung, Bo Seong Yun, Seok Ju Seong, Eunah Shin, Mi Kyoung Kim
OBJECTIVE: The aim of this study was to evaluate the oncologic and pregnancy outcomes of combined oral medroxyprogesterone acetate (MPA)/levonorgestrel-intrauterine system (LNG-IUS) treatment in young women with grade 2-differentiated stage IA endometrial adenocarcinoma who wish to preserve fertility. METHODS: We retrospectively reviewed the medical records of patients with grade 2 stage IA endometrial adenocarcinoma who had received fertility-sparing treatment at CHA Gangnam Medical Center between 2011 and 2015...
May 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28301216/bioidentical-menopausal-hormone-therapy-registered-hormones-non-oral-estradiol%C3%A2-%C3%A2-%C3%A2-progesterone-are-optimal
#10
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/28299789/menstrual-management-in-developmentally-delayed-adolescent-females
#11
Irene Chuah, Alexandra McRae, Kim Matthews, Ann M Maguire, Katharine Steinbeck
BACKGROUND: Requests for assistance in menstrual management and menstrual suppression are a common, emotive and sometimes controversial aspect of adolescent disability care. AIMS: To review the uptake and outcomes of menstrual suppression among adolescent patients with developmental delay. METHODS: A retrospective review of the medical records of adolescent females with intellectual disability referred for menstrual management to the Paediatric and Adolescent Gynaecology Clinic, Children's Hospital at Westmead, Sydney, for the three-year period between January 1, 2010 and January 1, 2013...
March 15, 2017: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/28296146/epidemiology-of-uterine-fibroids-a-systematic-review
#12
REVIEW
Elizabeth A Stewart, Charlotte Cookson, Ruth A Gandolfo, Renate Schulze-Rath
BACKGROUND: Uterine fibroids (UFs) are the most common neoplasm affecting women that can cause significant morbidity and may adversely impact fertility. OBJECTIVES: To examine UF epidemiology and to evaluate the relative strengths of putative risk factors. SEARCH STRATEGY: MEDLINE and Embase were searched for studies published in English between January 1995 and April 2015. SELECTION CRITERIA: Publications reporting relevant data from registries and other observational studies with over 1000 patients and single-centre studies with over 100 patients were selected...
March 14, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28285882/effect-of-altering-the-intervals-between-consecutive-superovulatory-doses-of-porcine-follicle-stimulating-hormone-on-ovarian-responses-and-embryo-yields-in-anestrous-ewes
#13
P M Bartlewski, M Murawski, T Schwarz, M E F Oliveira
The effect of varying intervals between successive gonadotropin injections on the superovulatory outcomes in anestrous Rideau Arcott ewes superstimulated for ovarian follicular development with multiple doses of porcine FSH (pFSH) was evaluated in a single study. Twenty-five animals received six (1×2.5ml and 5×1.25ml) injections of Folltropin(®)-V given at 0800 and 1600h or at 0800 and 2000h in Group 1 (n=9) or Group 2 (n=16), respectively. An i.m. injection of 500 IU of equine chorionic gonadotropin (eCG; Folligon(®)) was given concurrently with the first pFSH dose...
March 6, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28283026/preventing-recurrence-of-endometriosis-by-means-of-long-acting-progestogen-therapy-pre-empt-report-of-an-internal-pilot-multi-arm-randomised-controlled-trial-incorporating-flexible-entry-design-and-adaption-of-design-based-on-feasibility-of-recruitment
#14
Lee J Middleton, Jane P Daniels, Annalise Weckesser, Siladitya Bhattacharya
BACKGROUND: Endometriosis is associated with the growth of endometrium in ectopic sites mainly within the pelvis. This results in inflammation and scarring, causing pain and impaired quality of life. Endometriotic lesions can be excised or ablated surgically, but the risk of recurrence is high. A Heath Technology Assessment commissioning call in 2011 sought applications for trials aimed at evaluating long-term effectiveness of postoperative, long-acting, reversible contraceptives (LARCs) in preventing recurrence of endometriosis...
March 11, 2017: Trials
https://www.readbyqxmd.com/read/28281363/the-evidence-base-for-hrt-what-can-we-believe
#15
REVIEW
R D Langer
Prior to the unexpected early termination of the Women's Health Initiative (WHI) trial of continuous conjugated equine estrogens (CEE) and medroxyprogesterone acetate (MPA), the prevailing view was that hormone replacement therapy (HRT) was a low-risk intervention with immediate value for symptom relief in recently menopausal women, and that it probably conferred long-term protection against the major chronic diseases that affect women after menopause. Rather than replicating prior studies, the WHI was designed to test whether the beneficial associations consistently seen in women starting HRT near menopause would be found in women well beyond menopause...
April 2017: Climacteric: the Journal of the International Menopause Society
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
#16
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/28275087/community-health-workers-as-social-marketers-of-injectable-contraceptives-a-case-study-from-ethiopia
#17
REVIEW
Karen Weidert, Amanuel Gessessew, Suzanne Bell, Hagos Godefay, Ndola Prata
Ethiopia has made notable progress in increasing awareness and knowledge of family planning and is considered a success story among funders and program planners. Yet unmet need among rural women (28.6%) is almost double that of urban women (15.5%), with a wide gap in total fertility rate depending on urban (2.6) or rural (5.5) residence. This study investigates the impact of a service delivery model that combines community-based distribution (CBD) of contraception with social marketing in Tigray, Ethiopia, to create a more sustainable approach to CBD...
March 8, 2017: Global Health, Science and Practice
https://www.readbyqxmd.com/read/28257962/postpartum-contraception-initiation-and-effectiveness-in-a%C3%A2-large-universal-healthcare-system
#18
Michael R Brunson, David A Klein, Cara H Olsen, Larissa F Weir, Timothy A Roberts
BACKGROUND: Repeat pregnancies after a short interpregnancy interval are common and are associated with negative maternal and infant health outcomes. Few studies have examined the relative effectiveness of postpartum contraceptive choices. OBJECTIVE: We aimed to determine the initiation trends and relative effectiveness of postpartum contraceptive methods, with typical use, on prevention of short delivery intervals (≤27 months) among women with access to universal healthcare, including coverage that entails no co-payments and allows unlimited contraceptive method switching...
February 28, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28228141/factors-associated-with-contraceptive-use-in-tigray-north-ethiopia
#19
Araya Abrha Medhanyie, Alem Desta, Mussie Alemayehu, Tesfay Gebrehiwot, Tesfu Alemu Abraha, Atakelti Abrha, Hagos Godefay
BACKGROUND: Family planning interventions are cost-effective and have several cross-cutting benefits. Despite these benefits of family planning, progress in ensuring universal access to family planning to women in developing countries has been slow. In light of this; this study investigated the prevalence and factors associated with contraceptive use in Tigray Region, Northern Ethiopia. METHODS: A community-based cross-sectional study was conducted among 1966 women of reproductive age group (15-49) in 13 districts (3 urban and 10 rural) from May-June 2015...
February 23, 2017: Reproductive Health
https://www.readbyqxmd.com/read/28163962/high-dose-of-green-tea-infusion-normalized-spiral-artery-density-in-rats-treated-with-the-depot-medroxyprogesterone-acetate
#20
A S Emilda, Nora Veri, Alchalidi Alchalidi
AIM: The purpose of this study was to investigate the effects of green tea (GT) on the spiral artery density and endometrial thickness in female rats treated with the depot-medroxyprogesterone acetate (DMPA). MATERIAL AND METHODS: A total of 24 female rats were randomly divided into four groups (n = 6 each): The control group (no treatment), the DMPA-treated group, treated with DMPA and GT doses of 165 mg/kg of body weight/day, and treated with DMPA and GT doses of 330 mg/kg of body weight/day...
January 2017: Journal of Intercultural Ethnopharmacology
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