نتایج جستجو برای: letrozole
تعداد نتایج: 1593 فیلتر نتایج به سال:
Sequential use of letrozole and human menopausal gonadotrophin (HMG) was compared with HMG only in poor ovarian responders undergoing IVF. Patients (n=53) with less than four oocytes retrieved in previous IVF cycles or less than five antral follicles were randomized to either letrozole for 5days followed by HMG or HMG alone. The letrozole group had lower dosage of HMG (P<0.001), shorter duratio...
Effect of Nonsteroidal Aromatase Inhibitor on Sex Reversal of Oreochromis mossambicus (Peters, 1852)
In the present study, the efficacy of letrozole, a potent nonsteroidal aromatase inhibitor, and 17α-methyltestosterone on gondal sex differentiation and sex reversal was examined in Mozambique tilapia (Oreochromis mossambicus). Among the doses tried in the experiment, 100 mg letrozole, 200 mg letrozole, and 50 mg 17α-methyltestosterone/kg produced male dominated populations (97-100% males). The...
Objective: To compare the effectiveness of letrozole and clomiphene citrate (CC) in patients with anovulatory infertility. Design: Open, prospective, randomized, parallel group, multicentric, comparative trial. Setting: Outpatient clinics of infertility centers in India. Patient(s): Fifty-five patients with anovulatory infertility were recruited. Twenty-seven patients (59 cycles) were given let...
BACKGROUND Letrozole is a third-generation selective aromatase inhibitor. Animal data suggested that it might be useful in medical abortion. We performed two pilot studies to assess the feasibility of using letrozole in combination with either mifepristone or misoprostol for termination of pregnancy up to 63 days. STUDY DESIGN We recruited 40 subjects who requested legal termination of pregna...
The objective of this study was to compare letrozole-stimulated cycles to natural cycles in 208 patients undergoing intrauterine insemination (IUI) between July of 2004 and January of 2007. Group I (n = 47) received cycle monitoring only (natural group), Group II (n = 125) received letrozole 2.5 mg/day on cycle days three to seven, and Group III (n = 36) received letrozole 5 mg/day on cycle day...
OBJECTIVE To evaluate the efficacy and tolerability of letrozole plus lapatinib versus letrozole plus placebo in women with hormone receptor (HR)(+) human epidermal growth factor receptor (HER)-2(+) tumors receiving first-line therapy for metastatic breast cancer (MBC). PATIENTS AND METHODS Postmenopausal women (n = 1,286) with HR(+) MBC were randomized to daily oral treatment with letrozole ...
background: in developing countries it is important to the exploration of available and safe regimens for medical abortion. the present study was designed to assess the effect of letrozole compared to placebo pretreatment followed by sublingual misoprostol for therapeutic abortion in eligible women with gestational age less than 17 weeks. materials and methods: in this randomized control trail,...
PURPOSE In this study, we examine the immunomodulatory effects and antitumor activity of tamoxifen and letrozole when combined with the human epithelial mucin (hMUC1)-specific vaccine, L-BLP25, in the hMUC1-expressing mammary tumor (MMT) mouse model. EXPERIMENTAL DESIGN Dose-finding studies were conducted for both tamoxifen and letrozole. Letrozole and L-BLP25 combination studies used 69 MMT ...
This study examined whether the addition of tamoxifen to the treatment regimen of patients with advanced breast cancer being treated with the aromatase inhibitor letrozole led to any pharmacokinetic or pharmacodynamic interaction. Twelve of 17 patients completed the core period of the trial in which 2.5 mg/day letrozole was administered alone for 6 weeks and in combination with 20 mg/day tamoxi...
OBJECTIVE Letrozole and estradiol valerate are used to treat some hormonally-responsive symptoms and also in modeling of the polycystic ovary syndrome. However, the stereological analysis of the ovary has received less attention. Estimation of the whole ovary volume using the Cavalieri method can be applied in any orientation desired, but estimation of the mean volume of the oocytes requires is...
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