نتایج جستجو برای: medroxyprogesterone acetate mpa

تعداد نتایج: 66932  

Journal: :Swiss medical weekly 2013
Meng Xiangying Wu Shikai Jiang Zefei Sun Bing Ma Yan Zhao Xin Ding Lijuan Wang Yue Wang Tao Zhang Shaohua Song Santai

OBJECTIVE Patients with recurrent triple-negative breast cancer (TNBC) currently have no established treatment option other than chemotherapy. However, long-term chemotherapy is often difficult due to adverse effects. A previous study documented a 10%-30% response rate of progestins in oestrogen receptor-negative breast cancer. The aim of this study was to investigate the effect of medroxyproge...

Journal: :The Bulletin of the American Academy of Psychiatry and the Law 1996
H M Kravitz T W Haywood J Kelly S Liles J L Cavanaugh

We examine the associations between pretreatment testosterone (TTS) levels and sociodemographic, clinical, and sexual behavioral characteristics. Two groups, low and normal pretreatment TTS, were treated with medroxyprogesterone acetate (MPA) and compared on clinical response (deviant and nondeviant sexual behaviors; recidivism) and length of time to return to pretreatment TTS after discontinui...

Journal: :Molecular endocrinology 2005
Jianbo Wu Sandra Brandt Salman M Hyder

We evaluated the signaling pathways involved in regulating vascular endothelial growth factor (VEGF), a potent angiogenic growth factor, in response to natural and synthetic progestins in breast cancer cells. Inhibition of the phosphoinositide-3'-kinase (PI3-kinase) signaling pathway or the specificity protein-1 (SP-1) transcription factor abolished both progesterone- and medroxyprogesterone ac...

2017
Yayun Liang Sandy Goyette Salman M Hyder

Clinical trials and studies have shown that postmenopausal women undergoing combination hormone replacement therapy containing estrogen and progestin have an increased risk of breast cancer compared with women taking estrogen or placebo alone. Using animal models, we have previously shown that synthetic progestins, including medroxyprogesterone acetate (MPA), which is widely used clinically, ac...

Journal: :Annals of internal medicine 1999
G A Greendale B A Reboussin A Sie H R Singh L K Olson O Gatewood L W Bassett C Wasilauskas T Bush E Barrett-Connor

BACKGROUND In longitudinal studies, greater mammographic density is associated with an increased risk for breast cancer. OBJECTIVE To assess differences between placebo, estrogen, and three estrogen-progestin regimens on change in mammographic density. DESIGN Subset analysis of a 3-year, multicenter, double-blind, randomized, placebo-controlled trial. SETTING Seven ambulatory study center...

Journal: :Clinical science 2007
Jerilynn C Prior Jason D Nielsen Christine L Hitchcock Lucy A Williams Yvette M Vigna Charmaine B Dean

Oestrogen therapy is the gold standard treatment for hot flushes/night sweats, but it and oestrogen/progestin are not suitable for all women. MPA (medroxyprogesterone acetate) reduces hot flushes, but its effectiveness compared with oestrogen is unknown. In the present study, oral oestrogen [CEE (conjugated equine oestrogen)] and MPA were compared for their effects on hot flushes in a planned a...

2017
Yamato Fukui Ayumi Taguchi Katsuyuki Adachi Marie Sato Akira Kawata Michihiro Tanikawa Kenbun Sone Mayuyo Mori Kazunori Nagasaka Yoko Matsumoto Takahide Arimoto Katsutoshi Oda Yutaka Osuga Tomoyuki Fujii

Background: The most studied fertility-sparing therapy for endometrial cancer (EC) is oral progestin therapy. However, complete remission (CR) rate after progestin therapy is not enough ranging from 60 to 80 %, with high recurrence rate. Clinical features that predict treatment efficacy and recurrence after progestin therapy have not yet been revealed in detail. The aim of this study was to inv...

2010
Graciela Krikun Irina A Buhimschi Martha Hickey Frederick Schatz Lynn Buchwalder Charles J Lockwood

BACKGROUND Irregular uterine bleeding is the major side effect of, and cause for, discontinuation of long-term progestin-only contraceptives (LTPOCs). The endometria of LTPOC-treated women display abnormally enlarged, fragile blood vessels (BV), decreased endometrial blood flow and oxidative stress. However, obtaining sufficient, good quality tissues have precluded elucidation of the mechanisms...

2017
A-ying Ma Shu-wu Xie Jie-yun Zhou Yan Zhu

Nomegestrol acetate (NOMAC) has been successfully used for the treatment of some gynecological disorders, and as a combined oral contraceptive with approval in many countries. In this study, we investigated the effects of NOMAC on human endometrial cancer cells in vitro and in vivo. The proliferation of human endometrial cancer cells (RL95-2 and KLE) were assessed using CCK-8 and EdU incorporat...

2016
Osamu Inoue Toshio Hamatani Nobuyuki Susumu Wataru Yamagami Seiji Ogawa Takashi Takemoto Akira Hirasawa Kouji Banno Naoaki Kuji Mamoru Tanaka Daisuke Aoki

BACKGROUND Patients hoping to preserve their fertility receive conservative treatment with high-dose medroxyprogesterone acetate (MPA) for well-differentiated endometrioid adenocarcinoma (EC) or atypical endometrial hyperplasia (AEH) . Such treatment generally involves frequent intrauterine operations, including dilation and curettage (D&C) and endometrial biopsy (EMB), which could result in en...

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