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Eulexin (Flutamide)
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Eulexin

Eulexin is a medication which belongs to a class of drugs known as antiandrogens. Eulexin is used along with drugs such as leuprolide. Eulexin blocks the effect of the male hormone testosterone. Taking Eulexin with leuprolide, which reduces the body's testosterone levels, you can treat prostate cancer.

Other names for this medication:

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Proscar, Avodart, Casodex, Cenestin, Eligard, Estrace, Lupron, Nilandron, Xtandi

 

Also known as:  Flutamide.

Description

Eulexin is a medication belongs to a class of drugs known as antiandrogens.

Eulexin is used along with drugs such as leuprolide to treat prostate cancer.

Eulexin blocks the effect of the male hormone testosterone. Giving Eulexin with leuprolide, which reduces the body's testosterone levels, you can treat prostate cancer.

Generic name of Eulexin is Flutamid.

Brand name of Eulexin is Eulexin.

Dosage

Take Eulexin orally.

Eulexin is best taken at evenly spaced intervals, and may be taken with or without food.

Eulexin daily dosage is 750 mg.

The recommended dosage of Eulexin: 2 capsules 3 times a day at 8-hour intervals.

This medicine is only for men.

If you want to achieve most effective results do not stop taking Eulexin suddenly.

Overdose

If you overdose Eulexin and you don't feel good you should visit your doctor or health care provider immediately. Symptoms of overdosage: loss of appetite, vomiting, slow breathing, decreased activity, trouble walking.

Storage

Store between 2 and 30 degrees C (36 and 86 degrees F) away from moisture and heat. Throw away any unused medicine after the expiration date. Keep out of the reach of children.

Side effects

The most common side effects associated with Eulexin are:

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Side effect occurrence does not only depend on medication you are taking, but also on your overall health and other factors.

Contraindications

Do not take Eulexin if you are allergic to Eulexin components.

Be careful with Eulexin if you have blood disorders, liver problems.

Be careful with Eulexin if you smoke.

Be careful with Eulexin if you take mibefradil, warfarin, sleep medicine, sedatives, tranquilizers, anti-anxiety drugs, narcotic pain relievers (e.g., codeine), psychiatric medicine, anti-seizure drugs, muscle relaxants, certain antihistamines (e.g., diphenhydramine).

Avoid alcohol.

Avoid driving machine.

Avoid exposuring to sunlight or artificial UV rays (sunlamps or tanning beds).

Avoid laboratory tests (e.g., liver function) are needed while taking Eulexin.

Do not stop taking Eulexin suddenly.

eulexin 250 mg

Androgen receptors were identified and characterized in the cytosol and nuclear fractions of the perinatal female rat brain. Cytosol receptors have sedimentation coefficients in the range of 8 to 10S and bind to DNA cellulose columns. These receptors are detected in low concentrations in hypothalamus-preoptic area-amygdala-septum (HPAS) during the last few days of fetal life, less than 1/10th of levels found in adult HPAS. They undergo the most dramatic increase in concentration between postnatal days 7 and 15. Their appearance thus coincides temporally with the appearance of estrogen and progestin receptors, but the time course of their development is delayed, by comparison. Cell nuclear androgen receptors were also identified by gel exclusion chromatography and protamine sulfate precipitation after salt extraction of neonatal brain cell nuclei following in vivo labeling with both a synthetic and a natural androgen. Two well-known anti-androgens, cyproterone acetate and flutamide, are shown to inhibit the in vivo androgen binding to these cell nuclear receptors. The results are discussed in relation to androgen action in the perinatal rat brain, and the information currently available suggests that androgens influence both gonadotropin secretion and aspects of brain sexual differentiaton.

eulexin cost

These data suggest that the risk of flutamide-induced liver toxicity is significant in patients receiving TAB. However, this damage can be normalized after flutamide has been discontinued. Serum levels of cholinesterase also increase significantly in patients receiving TAB. This previously unreported phenomenon suggests an unknown effect of flutamide on liver function in patients with prostate cancer.

eulexin drug

Androgen receptor (AR)-associated coregulator 70 (ARA70) was the first identified AR coregulator. However, its molecular mechanism and biological relevance to prostate cancer remain unclear. Here we show that ARA70 interacts with and promotes AR activity via the consensus FXXLF motif within the ARA70-N2 domain (amino acids 176-401). However, it does not promote AR activity via the classic LXXLL motif located at amino acids 92-96, although this classic LXXLL motif is important for ARA70 to interact with other receptors, such as PPARgamma. The molecular mechanisms by which ARA70 enhances AR transactivation involve the increase of AR expression, protein stability, and nuclear translocation. Furthermore, ARA70 protein is more frequently detected in prostate cancer specimens (91.74%) than in benign tissues (64.64%, p < 0.0001). ARA70 expression is also increased in high-grade prostate cancer tissues as well as the hormone-refractory LNCaP xenografts and prostate cancer cell lines. Because ARA70 can promote the antiandrogen hydroxyflutamide (HF)-enhanced AR transactivation, the increased ARA70 expression in hormone-refractory prostate tumors may confer the development of HF withdrawal syndrome, commonly diagnosed in patients with the later stages of prostate cancer. Because ARA70-N2 containing the AR-interacting FXXLF motif without coactivation function can suppress HF-enhanced AR transactivation in the hormone-refractory LNCaP cells, using the ARA70-N2 inhibitory peptide at the hormone refractory stage to battle the HF withdrawal syndrome may become an alternative strategy to treat prostate cancer.

eulexin 50 mg

Trials of MAB should be planned to detect differences of no more than 5-10% in median survival. The analyses should only be carried out on mature data and should take into account the possibility of a negative impact on survival due to disease flare if no anti-androgen has been given initially with an LH-RH agonist.

eulexin dose

We performed a randomized trial to compare the efficacy and toxicity of a new dose of flutamide (500 mg QD) with the currently recommended dose (250 mg q8h) in the treatment of advanced prostate cancer. The primary endpoints were percent of patients having normalization of prostate specific antigen (PSA), time to normalization, and percent change from baseline. Secondary endpoints were quality of life and toxicity.

eulexin dosage

This double-blind study enrolled 38 young women with hyperinsulinemic hyperandrogenism [mean body mass index (BMI) 24 kg/m(2)], all of whom started on Flu (62.5 mg/d) and Met (850 mg/d) plus a transdermal estroprogestagen, each for 21 of 28 d over 6 months. Patients were randomly assigned to receive, in addition, placebo (n=19) or Pio (n=19; 7.5 mg/d) for the same 21 of 28 d over 6 months.

eulexin medication

Increased hAR protein expression enhanced the sensitivity of AR transactivation to low concentrations of DHT, and also reduced the inhibitory activity of the non-steroidal antiandrogens, hydroxyflutamide, and bicalutamide on DHT-induced AR transactivation. Moreover, these antiandrogens acquired agonistic activity under conditions of high hAR protein expression. Such agonistic activity of antiandrogens was not detected in an hAR deletion mutant (hAR-DeltaA/B) that lacked an A/B domain with AF-1 activity.

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After a median follow-up of 6.9 years and adjusting for PSA level, Gleason score, clinical stage, and eMRI-defined TV change during nAST, men with abnormal compared with normal p53 expression were at increased risk of PSA failure (hazard ratio [HR]: 2.8; 95% confidence interval [CI]: 1.3-5.9; P = 0.008 for the 141; HR: 2.4; 95% CI: 1.1-5.4; P = 0.03 for the 113). Adjusted estimates of PSA failure were significantly higher (P = 0.03) in men with abnormal compared with normal p53 expression. At 5 years, these respective estimates were 33% and 18%.

eulexin tablets

Myocardial ischemia is the leading cause of death in both men and women; however, very little information exists regarding the effect of testosterone on the response of myocardium to acute ischemic injury. We hypothesized that testosterone may exert deleterious effects on myocardial inflammatory cytokine production, p38 MAPK activation, apoptotic signaling, and myocardial functional recovery after acute ischemia-reperfusion (I/R). To study this, isolated, perfused rat hearts (Langendorff) from adult males, castrated males, and males treated with a testosterone receptor blocker (flutamide) were subjected to 25 min of ischemia followed by 40 min of reperfusion. Myocardial contractile function (left ventricular developed pressure, left ventricular end-diastolic pressure, positive and negative first derivative of pressure) was continuously recorded. After reperfusion, hearts were analyzed for expression of tissue TNF-alpha, IL-1beta, and IL-6 (ELISA) and activation of p38 MAPK, caspase-1, caspase-3, caspase-11, and Bcl-2 (Western blot). All indices of postischemic myocardial functional recovery were significantly higher in castrated males or flutamide-treated males compared with untreated males. After I/R, castrated male and flutamide-treated male hearts had decreased TNF-alpha, IL-1beta, and IL-6; decreased activated p38 MAPK; decreased caspase-1, caspase-3, and caspase-11; and increased Bcl-2 expression compared with untreated males. These results show that blocking the testosterone receptor (flutamide) or depleting testosterone (castration) in normal males improves myocardial function after I/R. These effects may be attributed to the proinflammatory and/or the proapoptotic properties of endogenous testosterone. Further understanding may allow therapeutic manipulation of sex hormone signaling mechanisms in the treatment of acute I/R.

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Normal and disturbed testicular descent is frequently approached exclusively through a consideration of the caudal testicular suspensory apparatus. This is surprising, because embryonal gonads develop with both cranial and caudal suspensory ligaments, and the sexes differ with respect to the persistence and development of both the cranial and the caudal ligaments. The current study examined the possible role of fetal testicular androgens in male-specific failure of the development of the cranial gonadal suspensory apparatus in rats. Normal male fetuses were studied, as well as fetuses exposed to the anti-androgen flutamide from day 10 after conception. Females were given daily injections of methyl-testosterone alone or in combination with the anti-androgen cyproterone acetate from day 15 after conception, and were studied on day 22. The cranial ligaments remained of minor extension in normal males but developed considerably in females. They developed in female fashion in males exposed to flutamide, and persisted throughout postnatal life. Cranial ligaments did not develop in females that had been exposed to methyl-testosterone. Simultaneous treatment with a large dose of cyproterone acetate effectively counteracted this effect. Fetal testicular testosterone thus appears to play a key role in the prevention of the outgrowth of the cranial gonadal/genital ligament in rats. The supposed function of this suspensory apparatus makes it likely that its persistence in males, as the consequence of inappropriate androgen action during fetal life, facilitates disturbance of testicular descent. This finding may contribute to understanding developmental disorders underlying disturbed testis descent in humans.

eulexin 125 mg

Our objective was to test the hypothesis that 1) a high Na (HNa, 3%) diet would increase blood pressure (BP) in male Wistar-Kyoto (WKY) and spontaneously hypertensive Y chromosome (SHR/y) rat strains in a territorial colony; 2) sympathetic nervous system (SNS) blockade using clonidine would lower BP on a HNa diet; and 3) prepubertal androgen receptor blockade with flutamide would lower BP on a HNa diet. A 2 x 4 factorial design used rat strains (WKY, SHR/y) and treatment [0.3% normal Na (NNa), 3% HNa, HNa/clonidine, and HNa/flutamide]. BP increased in both strains on the HNa diet (P < 0.0001). There was no significant decrease in BP in either strain with clonidine treatment. Androgen receptor blockade with flutamide significantly decreased BP in both strains (P < 0.0001) and normalized BP in the SHR/y colony. Neither heart rate nor activity could explain these BP differences. In conclusion, a Na sensitivity was observed in both strains, which was reduced to normotensive values by androgen blockade but not by SNS blockade.

eulexin 250 mg

Prostate cancer is the most frequently diagnosed cancer and the second leading cause of cancer death in men, following lung cancer. Although radical prostatectomy continues to be a curative treatment for most patients diagnosed with prostate cancer, nearly 25% of patients undergoing radical prostatectomy will have biochemical recurrence as defined by an increase in serum prostate-specific antigen (PSA) level to >0.4 ng/mL after prostatectomy or a rapid doubling of the PSA over a 10-year follow-up period. The clinical challenges, an overview of available data, and a framework for the integration of this information for clinical management of biochemical recurrence postprostatectomy for prostate carcinoma are presented in this article. Therapeutic options, in addition to conservative management and watchful waiting, include radiation therapy and androgen deprivation. These options are discussed herein along with expected outcomes.

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We searched the following databases: MEDLINE, EMBASE, and Cochrane CENTRAL (up to May 2006). Review of reference lists and contact with hirsutism experts further identified candidate trials.

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Prostate specific membrane antigen (PSMA) is overexpressed in prostatic adenocarcinoma (CaP), and its expression is negatively regulated by androgen stimulation. However, it is still unclear which factors are involved in this downregulation. TMPRSS2-ERG fusion is the most common known gene rearrangement in prostate carcinoma. Androgen stimulation can increase expression of the TMPRSS2-ERG fusion in fusion positive prostate cancer cells. The purpose of this investigation is to determine whether PSMA expression can be regulated by the TMPRSS2-ERG gene fusion. We employed two PSMA positive cell lines: VCaP cells, which harbor TMPRSS2-ERG fusion, and LNCaP cells, which lack the fusion. After 24 hours of androgen treatment, TMPRSS2-ERG mRNA level was increased in VCaP cells. PSMA mRNA level was dramatically decreased in VCaP cells, while it only has moderate change in LNCaP cells. Treatment with the androgen antagonist flutamide partially restored PSMA expression in androgen-treated VCaP cells. Knocking down ERG by siRNA in VCaP cells enhances PSMA expression both in the presence and absence of synthetic androgen R1881. Overexpressing TMPRSS2-ERG fusions in LNCaP cells downregulated PSMA both in the presence or absence of R1881, while overexpressing wild type ERG did not. Using PSMA-based luciferase reporter assays, we found TMPRSS2-ERG fusion can inhibit PSMA activity at the transcriptional level. Our data indicated that downregulation of PSMA in androgen-treated VCaP cells appears partially mediated by TMPRSS2-ERG gene fusion.

eulexin 50 mg

Inhibition of the ligand-activated androgen receptor (AR) by antiandrogens plays an important role in the treatment of various hyperandrogenic disorders including prostate cancer. However, the molecular mechanisms of antiandrogen activity in vivo remain unclear. In this study we analyzed the effects of cyproterone acetate (CPA), flutamide (F), and hydroxyflutamide (OHF) on transcriptional activation and chromatin remodeling of the genomically integrated mouse mammary tumor virus (MMTV) promoter. This promoter has provided an excellent model system to study the impact of steroid hormones on transcriptional activation in the context of a defined chromatin structure. The MMTV hormone response element is positioned on a phased nucleosome, which becomes remodeled in response to steroids. We utilized this model system in mouse L-cell fibroblasts that contain a stably integrated MMTV promoter. In these cells, dihydrotestosterone (DHT) induced a large increase of AR protein levels that correlated with transcriptional activation and chromatin remodeling of the MMTV promoter. Coadministration of DHT and CPA or DHT and OHF in these cells inhibited the increase of AR levels, which resulted in a strong blockage of transcriptional activation and chromatin remodeling of the MMTV promoter. In contrast, F had no significant influence on these activities. We conclude that a major portion of the antiandrogenic effects of CPA and OHF in vivo are mediated by the reduction of AR levels.

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Seventy-nine subjects were assessed. Serum testosterone concentrations decreased by 79.7% +/- 3.0% (P <0.001). Weight increased by 1.8% +/- 0.5% (P <0.001). The percentage fat mass increased by 11.0% +/- 1.7%, and the percentage lean mass decreased by 3.8% +/- 0.6% (P <0.001 for each comparison).

eulexin dosage

Breast cancer is the most common cancer and the second most frequent cause of cancer death in women. Despite extensive research, the precise mechanisms of breast carcinogenesis remain unclear. We have shown that in female rats, treatment with a combination of oestrogen and testosterone can induce a high incidence of mammary cancer. The dosage of testosterone affects only the latency period of mammary cancer, not the final incidence. Based on these observations, we hypothesize that oestrogen and androgens may act in concert on the mammary gland to induce mammary carcinogenesis, with oestrogen serving as the predominant initiator whereas the androgen acts as a major promoter. In the present study, we report the changes in morphology of the mammary gland with special emphasis on the perialveolar or interlobular stroma after treatment with various sex hormone protocols. Our data showed that after treatment with testosterone, either alone or in combination with 17beta-oestradiol, there was overexpression of the androgen receptor in alveolar or ductal epithelial cells. Concurrent with strong expression of the androgen receptor in epithelium, there was also an increase in the amount of perialveolar and interlobular connective tissue, a decrease in surrounding adipose tissue and an increase in proliferation rate of fibroblast-like cells in the stroma. All these changes were blocked by simultaneous implantation of flutamide, indicating that androgens play a crucial role in the process despite the absence of androgen receptors in stromal cells. We further measured the mammary gland density (MGD), in order to determine the ratio of fatty to non-fatty tissue. The data showed that MGD values were significantly higher in animals treated with testosterone alone or in combination with 17beta-oestradiol than in those treated with 17beta-oestradiol alone or in controls. Furthermore, treatment with different doses of testosterone resulted in an increase in MGD in a dose-dependent manner. These findings highlight the effect of androgens on the stroma, probably through a paracrine action of epithelial cells. The stroma may, in turn, promote mammary carcinogenesis in a reciprocal fashion.

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Differentiation of muscle-derived cells was induced under standard low-serum conditions. Cultures were then exposed to androgen (testosterone (T)) at 50, 100, and 500 nM or IGF-1 (10-50 ng·mL⁻¹). Immunocytochemistry and real-time polymerase chain reaction (RT-PCR) were used to assess effects of androgens and IGF-1 after 3- (early) or 7-d (late) muscle differentiation, respectively; RT-PCR was used to quantify the effects on androgen receptor expression.

eulexin 500 mg

Recent studies suggest that male sex steroids play a role in producing immunodepression following trauma-hemorrhage. This notion is supported by studies showing that castration of male mice before trauma-hemorrhage or the administration of the androgen receptor blocker flutamide following trauma-hemorrhage in noncastrated animals prevents immunodepression and improves the survival rate of animals subjected to subsequent sepsis. However, it remains unknown whether the most abundant steroid hormone, dehydroepiandrosterone (DHEA), protects or depresses immune functions following trauma-hemorrhage. In this regard, DHEA has been reported to have estrogenic and androgenic properties, depending on the hormonal milieu.

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Between 1987 and 1991, 456 assessable patients (median age, 70 years) were enrolled. Eligible patients had bulky (5 x 5 cm) tumors (T2-4) with or without pelvic lymph node involvement according to the 1988 American Joint Committee on Cancer TNM staging system. Patients received combined ADT that consisted of goserelin 3.6 mg every 4 weeks and flutamide 250 mg tid for 2 months before and concurrent with EBRT, or they received EBRT alone. Study end points included overall survival (OS), disease-specific mortality (DSM), distant metastasis (DM), disease-free survival (DFS), and biochemical failure (BF).

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The switch to drospirenone OC was accompanied by a reduction of total and abdominal fat (mean -0.8 and -0.5 kg) and by an increment of lean body mass (+0.6 kg; all P < 0.01), so that body adiposity was strikingly reduced without changing body weight.

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eulexin 500 mg 2017-06-23

To date, limited knowledge exists regarding the role of the androgen signaling during specific periods of development in the regulation of androgen receptor (AR) and connexin 43 (Cx43) in adult prostate. Therefore, in this study we examined mRNA and protein expression, and tissue distribution of AR and Cx43 in adult boar prostates following fetal (GD20), neonatal (PD2), and prepubertal (PD90) exposure to an antiandrogen flutamide (50 mg/kg bw). In GD20 and PD2 males we found the reduction of the luminal compartment, inflammatory changes, decreased AR and increased Cx43 expression, and altered localization of both proteins. Moreover, enhanced apoptosis and reduced proliferation were detected in the prostates of these animals. In PD90 males the alterations were less evident, except that Cx43 expression was markedly upregulated. The results presented herein indicate that in boar androgen action during early fetal and neonatal periods plays a key role in the maintenance of normal phenotype and functions of prostatic cells at adulthood. Furthermore, we demonstrated that modulation of Cx43 expression in the buy eulexin prostate could serve as a sensitive marker of hormonal disruption during different developmental stages.

eulexin 125 mg 2017-11-16

To analyze drug-induced liver disease over an 8-year period from January 2000 buy eulexin to December 2007 in one gastroenterological department.

eulexin tablets 2016-05-25

We report a case of poorly differentiated carcinoma of the prostate with lymph node metastasis in a 19-year-old male. He was managed with bilateral orchiectomy, flutamide and recombinant interferon alfa-2b therapy. He showed subjective improvement for 2 months. However, during the 3rd month of treatment there was global deterioration which progressed further till his demise during the 4th month. The beneficial role, if any, of combined hormonal and immunotherapy in advanced prostatic carcinoma is discussed as also the natural history and prognosis buy eulexin of prostatic carcinoma in men under 20 years of age.

eulexin dose 2017-02-02

The current study was designed to determine whether castration with or without testosterone replacement resulted in changes in cardiac sympathetic nerve activity in rats with heart failure induced by isoproterenol. At eight weeks post-castration, dysfunction of the cardiac sympathetic nerve system was aggravated as indicated by elevated plasma norepinephrine, reduced myocardial norepinephrine content and tyrosine hydroxylase (TH) protein. These effects of castration were reversed by testosterone replacement, as indicated by decreased plasma norepinephrine, increased myocardial norepinephrine and density of TH-labeled nerve fibers, as well as by an upregulated expression of myocardial TH protein. We also explored whether the neuroprotective effect of testosterone was influenced by the antiandrogen, flutamide. Interestingly, flutamide failed to block these testosterone-induced neuroprotective effects on the cardiac sympathetic nervous system in castrated rats with heart failure. These results provide the first evidence that endogenous testosterone deprivation in rats significantly buy eulexin worsened cardiac sympathetic function during pathophysiological changes associated with heart failure, and testosterone replacement reversed these adverse effects. These neuroprotective effects of testosterone, may, in part, be mediated through an upregulation in TH protein, but do not appear to involve the androgen receptor. Therefore, androgens may play an important role in modulating pathophysiological changes in the cardiac sympathetic nervous system that result from heart failure and our findings suggest the potential for beneficial effects of testosterone in the treatment of this condition.

eulexin 250 mg 2016-11-07

Epitestosterone is the 17α-epimer of testosterone. This steroid possesses antiandrogenic activities. The mechanism of action of epitestosterone has not been elucidated. The aim of this study was to investigate the nonclassical effect of epitestosterone on the membrane of Sertoli cells in proliferative phase (rats aged 15 days) and in nonproliferative phase (rats aged 21 and 35 days). The membrane potential of Sertoli cells was recorded using a standard buy eulexin single microelectrode technique. Epitestosterone (0.5, 1, and 2 μM) or testosterone (1 μM) was administered alone and after infusion with flutamide (1 μM), verapamil (100 μM), or U-73122 (2 μM). The testes of rats aged 12-15 days were preincubated with 45Ca2+ with or without flutamide (1 μM) and incubated with epitestosterone (1 μM) or testosterone (1 μM). Epitestosterone and testosterone produced a depolarization in the membrane potential and increased the membrane input resistance on Sertoli cells from rats of all 3 ages. The effect of epitestosterone did not change after perfusion with flutamide. Epitestosterone increased 45Ca2+ uptake within 5 min and this effect was not inhibited by flutamide. The absence of an effect by flutamide suggests that epitestosterone acts independently of the intracellular androgen receptor. The depolarizing effect was inhibited by verapamil, a voltage-dependent calcium channel blocker, and by U-73122, a phospholipase C inhibitor. These results indicate that epitestosterone acts on the membrane via a nonclassical signaling pathway; the effect was similar to the testosterone action on membrane of Sertoli cells in whole seminiferous tubules from rat testes.

eulexin cost 2017-12-27

Histological examination revealed differences in epididymal morphology of flutamide-exposed boars when compared to controls. Scarce spermatic content were seen within the corpus and cauda lumina of GD20, PD2 and PD90 groups. Concomitantly, frequency of epididymal cell apoptosis was significantly higher (p < 0.05) after exposure to flutamide at GD20. Moreover, in GD20, PD2, and PD90 groups, significantly lower AR expression (p < 0.05) was found in the principal and basal cells of the corpus and cauda regions, while in the stromal cells AR expression was significantly reduced (p < 0.05) along the epididymal duct. Concomitantly, a decrease in Cx43 expression (p < 0.05) was noticed in the stromal cells of the cauda region of GD20 and PD2 groups. This buy eulexin indicates high sensitivity of the stromal cells to androgen withdrawal.

eulexin drug 2016-01-24

In 1989, Crawford and colleagues suggested that combined androgen blockade with castration plus antiandrogen therapy provided significantly improved survival compared with castration alone. Since then, some studies have supported these results, whereas others have not. To resolve this discrepancy, the Prostate Cancer Trialists' Collaborative Group conducted a metaanalysis of 27 randomized trials to evaluate whether combined androgen blockade has benefits compared with castration alone. The results published in 2000 showed that combined androgen blockade using a nonsteroidal antiandrogen treatment (nilutamide or flutamide) improved survival compared with castration alone, whereas combined androgen blockade using a steroidal antiandrogen agent (cyproterone acetate) reduced survival compared with castration alone. In 2004, an analysis was carried out to evaluate the nonsteroidal antiandrogen agent bicalutamide in the combined androgen blockade setting, by incorporating the data from a trial of combined androgen blockade with bicalutamide versus combined androgen blockade with flutamide with the Prostate Cancer Trialists' Collaborative Group metaanalysis data for combined androgen blockade with flutamide versus castration. This analysis showed that combined androgen blockade with bicalutamide was associated with a 20% reduction in the risk of death compared with castration alone. The survival benefit associated with combined androgen blockade using a nonsteroidal antiandrogen agent should be weighed against the potential for increased toxicity and expense compared with castration alone. Studies have shown buy eulexin that bicalutamide has a better tolerability profile than flutamide or nilutamide. Furthermore, cost-benefit analyses of combined androgen blockade with bicalutamide suggest it is a cost-effective option versus castration alone and versus combined androgen blockade with flutamide. In summary, the present evidence suggests that combined androgen blockade with a nonsteroidal antiandrogen agent should be a first-line therapy option in patients with advanced disease.

eulexin medication 2017-11-25

Flutamide (250 mg. orally 3 times daily) yielded a subjective response in 5 of 25 fully evaluable patients with hormone-resistant prostatic cancer. Four additional patients had early buy eulexin progression. A 40% or greater decrease in the pre-treatment prostate specific antigen level was observed in 7 of 24 patients and this finding was correlated with improved survival. Toxicity was mainly gastrointestinal and resulted in permanent discontinuation of flutamide in 5 patients. Flutamide or similar antiandrogens may have a role in the management of hormone-resistant prostatic cancer when relief of subjective symptoms should be an important treatment goal together with improvement of survival. However, before the drug should be used routinely in the management of hormone-resistant prostatic cancer phase 3 studies must confirm its effectiveness, especially in comparison to less expensive drugs.

eulexin dosage 2017-02-21

In most vertebrate species, the production of vasotocin (VT; non-mammals) and vasopressin (VP; mammals) in the medial bed nucleus of the stria terminalis (BSTm) waxes and wanes with seasonal reproductive state; however, opportunistically breeding species might need to maintain high levels of this behaviorally relevant neuropeptide year-round in anticipation of unpredictable breeding opportunities. We here provide support for this hypothesis and demonstrate that these neurons are instead regulated 'cryptically' via hormonal regulation of their activity levels, which may be rapidly modified to adjust VT signaling. First, we show that combined treatment of male and female zebra finches (Estrildidae: Taeniopygia guttata) with the androgen receptor antagonist flutamide and the aromatase inhibitor 1,4,6-androstatriene-3,17-dione does not alter the expression of VT immunoreactivity within the BSTm; however, both hormonal treatment and social housing environment (same-sex versus mixed-sex) alter VT colocalization with the immediate early gene product Fos (a proxy marker of neural activation) in the BSTm. In a second experiment, manipulations of estradiol (E2) levels with the aromatase buy eulexin inhibitor letrozole (LET) or subcutaneous E2 implants failed to alter colocalization, suggesting that the colocalization effects in experiment 1 were solely androgenic. LET treatment also did not affect VT immunoreactivity in a manner reversible by E2 treatment. Finally, comparisons of VT immunoreactivity in breeding and nonbreeding individuals of several estrildid species demonstrate that year-round stability of VT immunoreactivity is found only in highly opportunistic species, and is therefore not essential to the maintenance of long-term pair bonds, which are ubiquitous in the Estrildidae.

eulexin 50 mg 2016-03-04

These results suggest buy eulexin that endogenous and exogenous testosterone decrease myocardial STAT3 activation and SOCS3 expression after I/R. This represents the initial demonstration of testosterone-downregulated STAT3/SOCS3 signaling in myocardium.

eulexin capsules 2017-12-02

The anaemia associated with androgen deprivation is significant and occurs routinely in men receiving CHB. It is normochromic, normocytic, temporally-related to the initiation of androgen blockade and usually resolves after CHB is discontinued. We suggest that patients receiving CHB undergo haematological testing at baseline, 1-2 months after initiating CHB and periodically thereafter. Patients developing anaemia should be questioned about symptoms reflecting physiological compromise (e.g. angina, dyspnoea on exertion). In the absence of other causes, CHB should be suspected in buy eulexin the development of anaemia in patients receiving this treatment.

eulexin 500 mg 2017-04-29

Testosterone (T) and its 5alpha-reduced metabolite, dihydrotestosterone (DHT), can decrease anxiety-like behavior; however, the mechanisms underlying these effects have not been established. First, we hypothesized that if T reduces anxiety-like behavior through actions of its 5alpha-reduced metabolite, DHT, then gonadectomy (GDX) would increase anxiety-like behavior, an effect which would be reversed by systemic administration of DHT. Second, we hypothesized that if T and DHT reduce anxiety-like behavior in part through actions at intracellular androgen receptors in the hippocampus, then administration of an androgen receptor antagonist, flutamide, directly to the hippocampus should increase anxiety-like behavior of intact and DHT-replaced, but not GDX, male rats. Inserts that were empty or contained flutamide were applied directly to the dorsal hippocampus of intact, GDX, or GDX and DHT-replaced rats 2 h prior to testing in the open field, elevated plus maze, or defensive freezing tasks. GDX rats exhibited significantly more anxiety-like behaviors than intact or DHT-replaced rats. Intact and DHT-replaced rats administered flutamide to the hippocampus showed significantly more anxiety-like behavior than did intact and DHT-replaced controls. However, flutamide alone did not increase anxiety-like behavior of GDX rats. Together, these findings suggest that androgens can decrease anxiety-like behavior of male rats in part through DHT's actions at androgen receptors in the buy eulexin hippocampus.

eulexin 125 mg 2017-07-25

3-Substituted (Z)-4-(4-N,N-dialkylaminophenylmethylene)-5(4H)-isoxazolones and related compounds were designed and prepared as candidates for structurally novel androgen antagonists. Several compounds showed potent anti-androgenic activity as assessed by nuclear androgen receptor binding assay and growth inhibition assay using androgen-dependent Shionogi carcinoma cells SC-3. They were approximately 10--220 times more potent than flutamide in these assay systems. They also showed anti-androgenic activity toward prostate tumor cell line LNCaP, which Bystolic Similar Drugs has an aberrant nuclear androgen receptor.

eulexin tablets 2016-08-22

2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) inhibits the androgen-dependent processes by which the urogenital sinus (UGS) of fetal mice forms prostatic epithelial buds. This inhibition is mediated by aryl hydrocarbon receptors in UGS mesenchyme and causes prostate lobes to develop abnormally. Experiments were conducted to test the hypothesis that TCDD inhibits prostatic budding in C57BL/6J mice by inhibiting androgen signaling. In utero TCDD exposure sufficient to inhibit budding (5 microg/kg maternal dose on gestation day [GD] 13) had no effect on testicular testosterone content on GD 16 or 18. Nor did it inhibit the conversion of testosterone to 5alpha-dihydrotestosterone (DHT) by the UGS. Both hydroxyflutamide (OH-flutamide; a competitive androgen receptor antagonist) and TCDD inhibited prostatic epithelial budding by UGSs cultured in vitro with DHT. To determine if TCDD inhibits responsiveness to androgens, primary mesenchymal cells prepared from UGSs cultured for three Urispas 400 Mg days with DHT were transiently transfected with an androgen-responsive reporter plasmid (MMTV-luciferase). OH-flutamide prevented DHT from increasing luciferase activity in these cells but TCDD did not. The same results were obtained when the mesenchymal cells were isolated from UGSs cultured with both DHT and TCDD. The lack of effect of TCDD on androgen-dependent gene expression was not due to inability of transfected UGS mesenchymal cells to respond to TCDD, as shown by significant increases in luciferase activity after transfection with plasmids containing CYP1A1 and CYP1B1 promoters. Finally, while OH-flutamide prevented DHT from altering androgen receptor and 5alpha-reductase type II mRNA expression in UGS organ culture, TCDD had no such effects. Collectively, these results suggest that TCDD inhibits prostatic epithelial bud formation without impairing the androgen receptor signaling pathway.

eulexin dose 2017-12-08

The effect of flutamide (Sch 13521; 4'-nitro-3'-trifluoromethylisobutyranilide), a nonsteroidal antiandrogen, on male rat genital organs was studied. Administered at a dose of 25 mg/kg body weight daily for 30 days, flutamide caused a significant increase in the weight of the testis but had no effect on spermatogenesis and Leydig cell morphology. The secretory activity of the epididymis, as evidenced by the level of glycerylphosphoryl-choline and sialic acid, either remained unaffected or was stimulated. There was a significant decrease in seminal vesicle and ventral prostate weight and in the fructose content of the coagulating gland. The anti-androgen at the dose used did not affect the fertility of the rats. The significance of these findings is viewed in relation to the hypothesis of a differential threshold requirement of androgen for the epididymis and the accessory sex glands. The potentiality of antiandrogens as extragonadal Uroxatral Tab 10mg antifertility agents in the male is discussed.

eulexin 250 mg 2015-03-07

Oxidative stress plays a role in prostate cancer (PrCa) initiation and development. Selenoprotein-P (SepP; a protein involved in antioxidant defence) mRNA levels are down-regulated in PrCa. The main goal of our study was to assess whether SepP protects prostate cells from reactive oxygen species (ROS) in prostate carcinogenesis Lopid 600 Dosage .

eulexin cost 2017-04-14

Although benomyl and its metabolite carbendazim have been shown to adversely affect male reproduction, the mechanisms of action do not appear to involve the endocrine system. However, few studies have been conducted using currently proposed tests specifically focused on endocrine disruption. Here, potential estrogen- and androgen-mediated activity of benomyl was therefore investigated in vitro and in vivo. Benomyl and carbendazim proved negative for agonistic and antagonistic activity in reporter gene assays for the human estrogen receptor alpha and androgen receptor. In uterotrophic and Hershberger assays using Crj:CD(SD)IGS rats, benomyl (100, 300 or 1000 mg/kg Avelox 60 Mg /day, p.o., N = 6) did not exert agonistic effects. However, the highest dose decreased uterine weights in the uterotrophic assay, and decreased weights of some androgen-related tissues of castrated rats receiving a testosterone propionate (TP, 0.2 mg/kg) injection in the Hershberger assay; the effects were less severe than those with p,p'-DDE (100 mg/kg/day). When 4 mg/kg/day of TP was injected, decrease of organ weights due to benomyl was attenuated but still observed. Thus, its influence in some tissues was more potent than that of p,p'-DDE. Benomyl had no apparent effects on serum androgen levels. Microarray analysis of the gene expression profile in the ventral prostate of TP-injected castrated rats treated with benomyl indicated clear differences from the patterns observed with p,p'-DDE and flutamide. Taken together, these findings suggest the decreased organ weights observed in vivo to be caused by mechanisms that are not steroid-receptor-mediated, such as interfering with assembly of microtubules by benomyl. The study furthermore suggests that functional genomics may provide a reliable evidence for accurate categorization of test chemicals.

eulexin drug 2016-10-16

Testosterone participates in the regulation of hepatic fetuin Geodon Normal Dosage -A expression, an effect mediated, at least partially, by androgen receptor activation.

eulexin medication 2017-02-09

Previous studies indicate that after severe hemorrhage, immune functions are markedly depressed in males, whereas females do not show any depression. Although androgen depletion by castration of mice before soft-tissue trauma and hemorrhagic shock prevents the depression of cell-mediated immunity, it remains unknown whether testosterone per se is responsible for producing immune depression Flonase Drug Facts .

eulexin dosage 2016-09-15

PTHrP is the major pathogenetic factor for hypercalcemia in several malignancies including prostate cancer. In the current study, we have assessed the ability of androgens to regulate PTHrP production in androgen-insensitive human prostate cancer cells PC-3 and cells transfected with androgen receptor (PC-3T). Androgen responsiveness caused a marked decrease in PC-3T cell growth, and treatment of these cells with dihydrotestosterone led to inhibition of PTHrP production. These inhibitory effects were readily reversed by androgen Nolvadex Drug Classification receptor antagonist flutamide. To determine the effect of androgens on tumor growth and PTHrP production in vivo, PC-3 and PC-3T cells were injected into the right flank of male BALB/c nu/nu mice. Animals inoculated with PC-3 and PC-3T cells developed palpable tumors at wk 2 and 4, respectively. Inoculation of PC-3T cells into castrated animals resulted in rapid tumor growth in PC-3T tumors, effects that were reversed in PC-3T tumors grown in castrated hosts. Using PTHrP promoter luciferase reporter, a 30% decrease in luciferase activity was seen following treatment with dihydrotestosterone. These results indicate that PC-3 cell growth correlates inversely with androgen sensitivity and directly with PTHrP production in vitro and in vivo, androgens can regulate PTHrP production, and the androgen effect on PTHrP is mediated at least in part by transcriptional regulation via the androgen receptor.

eulexin 50 mg 2017-02-01

A novel MC1R and MC5R antagonist (JNJ-10229570) was used to treat primary human sebaceous cells or human skins grafted onto severe combined immunodeficient (SCID) mice. Transcription profiling, lipid analyses, and histological and immunohistochemical staining were used to analyze the effect of MC5R inhibition on sebaceous gland differentiation and sebum production.

eulexin capsules 2017-07-10

Fertility and the development of the contralateral scrotal testis in patients with unilateral cryptorchidism (UCO) remain controversial. This study investigated these controversies in two different UCO rat models using 43 Wistar King A rats. The animals were divided into three groups: I: an endocrinologic model of UCO was obtained by injecting pregnant dams with flutamide 100 mg/kg per day on days 15-17 of gestation (n = 12); II (n = 21): a mechanical model of UCO was obtained by extra-abdominal fixation of the gubernaculum in the neonatal period, III (n = 10): non-treated rats were used as controls. At the age of 90 days, 5 rats from each group were segregated into individual cages and housed with two virgin adult females for 2 weeks. The occurrence of pregnancy and litter sizes were counted in order to study fertility. All the animals were then weighed and killed. The occurrence of testicular descent, growth of the external genitalia, and epididymal development were examined. Morphologic and histologic evaluations were performed in the cryptorchid and contralateral testes. In the endocrinologic model (group I) the 10 female rats failed to show any offspring (0%), while in the mechanical model (group II) 9 out of 10 rats had offspring (90%, P < 0.001); 10 out of 10 control rats showed offspring. All of the rats in groups I and II had UCO, and the undescended testes were located in the superficial inguinal position, while the contralateral and control testes descended into the scrotum. Hypospadias and a small epididymis were frequently noted in the flutamide-treated rats. Testicular weight, seminiferous tubular diameter, and spermatogenesis were all significantly reduced in the undescended testes (UDT) compared to the contralateral and control testes. Moreover, the development of the contralateral testis was inhibited in group I compared to groups II and III. Our observations showed that short-term exposure to flutamide in utero induced significantly reduced fertility and degenerated contralateral scrotal testes in UCO rats compared to mechanically-induced UCO rats by early adulthood. It is suggested that fertility potential and testicular development in unilateral UDT may be partially due to the factors that induce testicular maldescent, especially in cases due to intrauterine hormonal abnormalities. These cases may show inhibited fertility and testicular development even after orchiopexy.

eulexin 500 mg 2017-11-29

Drugs were implicated in hepatic injury in 30 patients (15 men and 15 women) in whom there was a causal or highly probable relationship between drug use and liver disease. The drugs responsible for liver damage were Chinese medicinal herbs (n = 12), cyclosporin (n = 2), fosfomycin, gentamicin, flutamide, acipimox and nimesulide (n = 1 each). Of the 30 patients, 19 (63.3%) were classified as having hepatocellular or mixed hepatitis, eight (26.7%) as having cholestatic injury and the remaining three as having a severe hepatic drug reaction (prothrombin < 50%), including death.

eulexin 125 mg 2017-04-07

In the univariate analysis, initial Karnofsky performance status (KPS) > or = 80% was associated with a favorable outcome (P = .005), while age, extent of disease on bone scan, and individual sites of metastatic disease were not significant. No difference in survival was observed between patients with measurable or assessable (bone only) disease. Initial hemoglobin (HGB; P = .0012), alkaline phosphatase (ALK; P = .0015), and lactate dehydrogenase (LDH; P = .0002) levels were significant discriminators, while the initial PSA was not. Using a landmark analysis, a significantly longer median survival rate was observed for patients with a > or = 50% decline in PSA (median not reached) versus patients with a less than 50% decline in PSA (median, 8.6 months; P = .0001). Multivariate analysis using the Cox proportional hazards model showed that a > or = 50% decline in PSA (P = .0004) and the natural log of LDH (P = .0001) were the two most significant variables predicting survival. The model was confirmed on an independent data set from the Norwegian Radium Hospital (NRH) in Oslo, Norway.

eulexin tablets 2016-12-13

589 patients with advanced prostate cancer (55% with metastatic [M1] and 45% with locally advanced [M0] disease) were randomized to receive goserelin acetate 3.6 mg either alone or in combination with flutamide (250 mg three times daily).

eulexin dose 2015-01-23

To evaluate bicalutamide as a therapy in nearly 3000 patients with advanced prostate cancer and to determine the dose-ranging, pharmacodynamic, and pharmacokinetic properties of bicalutamide. To evaluate bicalutamide as a monotherapy or in combination with luteinizing hormone-releasing hormone analogue (LHRH-A) therapy.

eulexin 250 mg 2015-04-05

Occult dissemination of tumor cells mainly determines the prognosis of patients with primary prostate cancer. The effect of androgen deprivation on micrometastatic tumor cells in these patients is currently unknown. We therefore used an immunocytochemical assay with monoclonal antibodies (MAbs) directed against epithelial cytoskeleton proteins (i.e., cytokeratins) to monitor the concentration of isolated tumor cells in the bone marrow of 36 prostate cancer patients (stage C), who underwent hormonal androgen deprivation with Flutamide and Leuprorelin acetate. Tumor cells in cytologic bone marrow preparations were detected using an assay that employed the MAb CK2 directed against cytokeratin (CK) 18 and the alkaline anti-alkaline phosphatase staining method. Prior to therapy, we detected between 1 and 38 CK-positive cells per sample of 2 x 10(6) nucleated cells in 21 patients, while the remaining 15 patients displayed tumor-free marrow samples. There was no significant correlation between the concentration of CK-positive cells and the volume of hypo-echogenic lesions as an indicator of the primary tumor volume or the serum level of prostate-specific antigen (PSA). After androgen deprivation, 20 of the 21 initially positive patients either became negative (n = 16) or showed at least a reduction in the concentration of CK-positive cells (n = 4). Moreover, only 2 of the 15 patients with negative pre-treatment findings became positive. All of the 7 patients with remaining tumor cells in the bone marrow after therapy showed no detectable amounts of PSA in their serum. Our findings suggest that serum PSA concentration is no indicator of micrometastatic disease in bone marrow. Neoadjuvant androgen deprivation appears to eliminate disseminated CK-positive tumor cells present in bone marrow, a preferred site of overt metastasis in prostate cancer patients.