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In 1 month-group the mean of TGF -1 in those receiving finasteride was lower than that in control group mean of TGF -1: finasteride control ; . Results of independent sample t-2 test showed that the mean of TGF -1 had p 0.05, indicating significant difference between finasteride group and control group. In observation for 2 months the mean of TGF -1 in finasteride group was lower than that in control group. Results of independent sample t-2 test showed that TGF -1 had p 0.05. This demonstrated significant difference in both groups. LSD multiple comparison test revealed that mean of TGF -1 in finasteride group was significantly different from that in control group mean TGF -1 : finasteride control.
With DHT. Zhou et al. used recombinant androgen receptor in COS cells to investigate the relative effectiveness of testosterone and DHT in receptor stabilization 8 ; . It was demonstrated that the half maximal dissociation rate was three times faster for testosterone than DHT and that testosterone was less effective at stabilizing the receptor against degradation. These results along with those of Grino et al. 1 ; lead to the conclusion that the DHTandrogen receptor complex was at least two to three times more potent than the testosterone androgen receptor complex and that the decreased potency could be overcome by mass action. Our results for measurement of prostate weight and atrophy support this conclusion, but the fact that testosterone and DHT are equipotent in the prevention of cell death was not predicted by any of these in vitro models. We hypothesize that the relative potency of testosterone and DHT for the genes involved in apoptosis in the prostate is different from their relative potency for the genes involved in prostate secretory activity. Because testosterone can be metabolized to estradiol, it is possible that the intraprostatic testosterone dose response may not solely be due to the effects of testosterone but also to the effects of estrogens. The presence of estrogen receptor has been demonstrated in rat 19, 20 ; and human prostates 21, 22 ; . Because serum testosterone concentration is similar between normal rats and those treated with finasteride, any increase in estrogen concentration would have to arise from local aromatization of androgens to estrogens. Aromatase has been found in both the prostate stroma and epithelium by immunocytochemistry 23 ; . However, the presence of aromatase activity within the prostate has never been conclusively demonstrated. Indirect measurements of estrogen production using formation of tritiated water from tritiated androgens ; have been shown to correlate poorly with formation of estrogens in the prostate. Using direct measurements of estrogen production, Brodie et al. 24 ; could find no evidence of aromatase activity in human prostate, even when testosterone metabolism was inhibited with 5 -reductase inhibitors. In addition, aromatase inhibitors have no effect on canine benign prostatic hyperplasia 25 ; and have had little effect on human benign prostatic hyperplasia 26 ; . Although it would be unlikely that estrogens could mimic the ability of androgens to prevent apoptosis in the rat prostate, we cannot rule out a role of local estrogen production in our testosterone dose response. One of the concerns that we had was whether the small amount of DHT present in the prostate after treatment with finasteride was enough to potentiate the high concentration of testosterone. Our results indicate that low levels of testosterone and DHT are unable to significantly inhibit cell atrophy or apoptosis in our model. Low concentrations of testosterone and DHT in both of our dose response studies had no significant effect on maintenance of prostate weight, duct lumen mass, or the markers of apoptosis, especially DNA fragmentation. Therefore, the low DHT concentration within the prostates of the testosterone dose response is unlikely to enhance testosterone effectiveness. In previous in vivo studies it was demonstrated that the level of intraprostatic DHT that results from castration is not high enough to have an effect on inhibition of cell atrophy, inhibition of apoptosis or cell proliferation 27 ; . Kyprianou et al. also showed that complete elimination of androgens in male Sprague Dawley rats by castration and adrenalectomy did not induce any further reduction in the prostates than castration alone. DHT appears to have a critical.
Increased risk of high-grade disease.1 In an accompanying editorial, Scardino3 submits that, although finasteride might not be an attractive option for preventing prostate cancer, it remains a favored treatment of BPH due to its many proven benefits as also outlined in our article ; , including reduced risk of acute urinary retention and need for invasive procedures.4 We believe that the PCPT provides insufficient grounds for withholding finasteride therapy for BPH, and the results of that study have not affected our prescribing of this medication. However, we agree with Scardino3 that men taking finasteride should be carefully monitored with periodic digital rectal examinations and serum prostate-specific antigen PSA ; determinations. We also reiterate our prior recommendation2 that, when interpreting the clinical implications of a given PSA value, physicians double the measured serum PSA values in men taking finasteride since finasteride is known to independently lower serum PSA levels.5 Thomas J. Beckman, MD Lance A. Mynderse, MD Mayo Clinic College of Medicine Rochester, Minn!
1. 2. 3. Stamey TA, Caldwell M, McNeal JE, et al. The prostate specific antigen era in the United States is over for prostate cancer: What happened in the last 20 years? J Urol 2004; 172 4 Pt 1 ; 1297-301. Lepor H, Lowe FC. Evaluation and nonsurgical management of benign prostatic hyperplasia. In: Walsh PC, Retik AB, Vaughn E, et al, editors. Campbell's urology. Vol 2. 8th ed. Philadelphia: Saunders; 2002. p. 1337-78. Roehrborn CG, Boyle P, Bergner D, et al; Proscar Long-Term Efficacy and Safety Study PLESS ; Study Group. Serum prostate-specific antigen and prostate volume predict long-term changes in symptoms and flow rate: results of a four-year, randomized trial comparing finasteride versus placebo. Urology 1999; 54: 662-9. McConnell JD, Bruskewitz R, Walsh P, et al; Finasteirde Long-Term Efficacy and Safety Study Group. The effect of finasteride on the risk of acute urinary retention and the need for surgical treatment among men with benign prostatic hyperplasia. N Engl J Med 1998; 338: 557-63. McConnell JD, Roehrborn CG, Bautista OM, et al. The long-term effect of doxazosin, finasteride, and combination therapy on the clinical progression of benign prostatic hyperplasia. N Engl J Med 2003; 349: 2387-98. Thompson IM, Pauler DK, Goodman PJ, et al. Prevalence of prostate cancer among men with a prostate-specific antigen level 4.0 ng per milliliter. N Engl J Med 2004; 350: 2239-46. Catalona WJ, Smith DS, Ratliff TL, et al. Measurement of prostate-specific antigen in serum as a screening test for prostate cancer. N Engl J Med 1991; 324: 1156-61.
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2006; 354 6 ; : 557-56 kaplan sa, mcconnell jd, roehrborn cg, meehan ag, lee mw, noble wr, et al combination therapy with doxazosin and finasteride for benign prostatic hyperplasia in patients with lower urinary tract symptoms and a baseline total prostate volume of 25 ml greater.
Section 7: The employee is to be knowledgeable of what "before meals", "after meals" and "with meals" mean. Medications prescribed before meals are generally to be administered about 30 minutes prior to the resident eating. When the medications are prescribed to be administered with or after meals, the medication is to be administered sometime after the resident has started eating up to 60 minutes after the resident has finished eating. The employee also has to be knowledgeable of the time period allowed by state regulations to administer medications, one hour prior to and one hour after the scheduled administration time. The employee must know that this does not apply to medications prescribed for administration in accordance with meals or for medications such as insulin and flagyl.
For all outcomes, there was no significant difference between the first and second baseline visits in sequence after run-in and washout respectively, or between the baselines prior to each respective treatment arm, irrespective of sequence table 2 ; . Thus, all data were analysed comparing outcomes with a pooled baseline.
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Exposure to finasteride - risk to male foetus women should not handle crushed or broken tablets of proscar when they are or may potentially be pregnant because of the possibility of absorption of finasteride and the subsequent potential risk to a male foetus see pregnancy.
None of the 10 subjects had control of their sleepwalking events. The two who dropped out also had PLMD n 1 ; and UARS n 1 ; . The 50 sleepwalkers who were reassessed following the protocol included eight subjects with psychiatric treatment and 42 subjects with SDB as an associated sleep disorder OSAS or UARS ; . Clinical evaluation was unchanged; mean ESS was 5.8 6 1.6 [as from baseline range 49 ; ]. Logs of sleepwalking events showed 33 individuals without sleepwalking for over 3 months, and 17 subjects with sleepwalking. Comparing the number of events at entry and last month, these 17 sleepwalkers showed no significant change. Bed partners or family members confirmed positive and negative results. The 17 negative results were seen in patients treated by psychiatrists with drugs and psychotherapy n 8 ; and nine subjects treated with nasal CPAP. There was a significant difference when the number of hours of nasal CPAP used during the last month was compared between positive and negative reports of sleepwalking P 0.0001 ; . The usage of nasal CPAP was nil in five patients; there was a mean of 1.6 h per night in the four other patients who had persistence of sleepwalking, compared with a mean of 6.1 h for the 33 compliant patients who had complete absence of sleepwalking. In summary, patients with only sleepwalking treated with the usual medication for sleepwalking had dropped out, citing limited control of their problem. Patients followed by a psychiatrist and treated with drugs and or psychotherapy had persistence of sleepwalking events, as did patients who were non-compliant with nasal CPAP treatment and galantamine.
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Animals--Male C57BL 6 mice 8 12 weeks old ; were purchased from Harlan Sprague-Dawley Indianapolis, IN ; . The generation of MKP-1 knock-out mice has been described previously 11 ; . Cryopreserved embryos of MKP-1 knock-out mice MKP-1 and MKP-1 ; were kindly provided by Bristol-Myers Squibb Co. and were regenerated into mice in The Jackson Laboratory Bar Harbor, ME ; . These mice were bred in-house to yield both wild type and MKP-1 mice. All of the mice were maintained on Harlan Tecklad irradiated diet Harlan ; at 24 C with relative humidity between 30 and 70% on a 12-h day-night cycle. All of the animals received humane care in accordance with the guidelines of the National Institutes of Health and were sacrificed by CO2 inhalation. The experimental protocols were approved by the Institutional Animal Care and Use Committee of the Columbus Children's Research Institute. Isolation of Primary Murine Alveolar and Peritoneal Macrophages, Cell Culture, and Treatment--Resident bronchoalveolar macrophages were isolated from naive male C57BL 6, MKP-1 , or MKP-1 mice by alveolar lavage. Briefly, murine lungs were filled and flushed 1520 times with 0.7 ml of prewarmed phosphate-buffered saline supplemented with 5 mM EDTA. This procedure yielded about 10 ml of lung lavage per animal. Cells in the alveolar lavage were collected by centrifugation at 800 g for 8 min at 4 C and plated into tissue culture dishes in RPMI 1640 Mediatech, Herndon, VA ; supplemented with 10% fetal bovine serum Hyclone Laboratories, Logan, UT ; and 2 mM L-glutamine. For immunofluorescence studies, the alveolar macrophages were seeded onto poly-D-lysine-coated coverslips. For assaying the role of MKP-1 in TNF- production, cell suspensions containing 3 105 alveolar macrophages, together with residual nonadherent cells, were plated into 6-well tissue culture plates. Four h later, nonadherent cells were removed by extensive washing with phosphate-buffered saline. The macrophages were cultured in complete medium overnight before being stimulated with 100 ng ml LPS Escherichia coli 055: B55, Calbiochem ; . After stimulation, cells were harvested into lysis buffer and culture medium collected as described previously 12 ; . Resident peritoneal macrophages were isolated from naive male MKP-1 or MKP-1 mice by carrying out a lavage of the peritoneum three times each with 4 ml of complete medium. Cells in the peritoneal lavage were collected by centrifugation at 800 g for 8 min at 4 C and were plated in RPMI 1640 supplemented with 5% fetal bovine serum and 2 mM L-glutamine. Four h after plating, nonadherent cells were removed by extensive washing with phosphate-buffered saline. The macrophages were cultured overnight in complete medium supple and glibenclamide.
And beyond should have a thorough, regular evaluation of vulvovaginal health, regardless of whether or not they have symptoms or are sexually active.
The key ingredient in propecia is finasteride and glucovance.
Table 1 Hormonal parameters, hirsutism scores and BMI before and after finasteride therapy in both groups. Values are means S.D. Basal Hormone FSH mlU ml ; LH mIU ml ; E2 pg Testosterone ng dl ; Free testosterone pg ml ; Androstenedione ng ml ; SHBG nmol l ; 17-OHP ng ml ; DHEAS mg dl ; Hirsutism score BMI kg m2.
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These findings should be taken into account for proper interpretation of serum psa when evaluating men treated with finasteride and inderal.
The new hair will be lost within 1 year after finasteride is stopped.
1. Walsh PC, Madden JD, Harrod MJ, Goldstein JL, MacDonald PC, Wilson JD. Familial incomplete male preudohermaphroditism, type 2. Decreased dihydrotestosterone formation in pseudovaginal perineoscrotal hypospadias. N Engl J Med 1974; 291: 944-949. Andersen JT, Ekman P, Wolf H, Beisland HO, Johansson JE, Kontturi M, Lehtonen T, Tveter K. Can finasteride reverse the progress of benign prostatic hyperplasia? A two year placebo-controlled study. The Scandinavian BPH study group. Urology 1995; 46: 631-637. Gormley GJ, Stoner E, Bruskewitz RC, Imperato-McGinley J, Walsh PC, McConnell JD, Andriole GL, Geller J, Bracken BR, Tenover JS, et al. The effect of finasteride in men with benign prostatic hyperplasia. The Finassteride Study Group. N Engl J Med 1992; 327: 1185-1191. Nickel JC, Fradet Y, Boakle RC et al and itraconazole.
Richard author: hair dr guest fri aug 08, 2003 finasteride proscar ; you are all wasting your time and money, as finasteride, whether you buy it as proscar 5mg ; or propecia 1mg ; , does not work.
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As of 3 06, on TRT for 5.5 years PSA rose less than 2.0 during that interval Joe literally told me that his life has been given back to him, including marked improvement in mental acuity 5. Dr. Earl S 5 89 - years old; PSA 134; gl 7 C.T. ECE & SV; L + KC 8 R.P. UCLA; pos. urethral margins; PNI; ECE 10 89 PSA zero 0 ; 4 92 PSA 2.0 1 96 PSA 6.1 5 99 Consult; PSA 11.99; T 228 Refused HB; Rx with finasteride, pamidronate, thalidomide PSA nadir 4.43%; T 170 6 02 TRT started; PSA 6.86; T 278 10 02 T PSA 714 11.3 11 TRT Discontinued 11 21 02 TRT Restarted 2 6 03.
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4. Approve and communicate an updated description of the scope of PAAB's core business. The Directors agreed on the following wording "pre-clearance of communications for Rx medications to all audiences, and non-prescription drugs to healthcare professionals". ; 5. Authorize PAAB staff to lead a selection process for additional marketing-oriented suppliers. A budget was approved and the Commissioner will create a request for proposal in January 2004 ; . 6. Key Stakeholders: PAAB should focus resources mainly on healthcare professionals and the related industry, as the key PAAB stakeholders. A marketing campaign will commence in 2004 ; 7. Board Configuration a ; PAAB should approach one or more "group of disease-specific groups" to reinforce Board balance. b ; PAAB should explore additional medical organizations who could provide enhanced healthcare expertise. c ; PAAB should formulate a specific policy on organization criteria for Board membership. 8. Data-bank: PAAB should develop and maintain a formal, comprehensive, database of specific stakeholder targets. The Commissioner has received names of organizations from Executive committee members ; 9. Input: PAAB should capture and retain for future review all the Task Group #4 input, recognizing much of the original work ended in overlap with, and transfer to, Task Group #3. The PAAB thanks Carolyn Everson for her outstanding work in guiding and facilitating the strategic planning process. We also thank everyone who responded to our request for input into this process. We look forward to moving confidently into 2004 and ketoconazole and finasteride, for example, colitis finasteride.
The drug showing the most promise in preventing prostate cancer is finasteride proscar ; , which is being used extensively to treat benign prostatic hyperplasia bph!
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Analogous to that of diestrous females data not shown ; , induced an increase in GABAAR subunit expression 0.63 0.02 OD 100 g total protein ; compared with untreated controls 0.49 0.02 OD 100 g total protein ; Fig. 4 ; n 4 mice for each group; p 0.05 ; . Consistent with an upregulation of GABAAR subunit expression, progesterone administration to ovariectomized females increases the tonic GABAergic inhibition in DGGCs 70.1 10.01 pA ; compared with untreated ovariectomized controls 23.0 5.32 pA ; Fig. 4 ; n 3 mice for each group; p 0.05 ; . Similar to the regulation of GABAARs in cycling female mice, the increase in GABAAR subunit expression by progesterone 0.63 0.02 OD 100 g total protein ; compared with untreated males 0.49 0.02 OD 100 g total protein ; was blocked by finasteride 100 mg kg ; 0.44 0.01 OD 100 g total protein ; Fig. 4 ; n 4 mice for each group; p 0.05 ; , but not by RU486 treatment 50 mg kg ; 0.58 0.01 OD 100 g total protein ; Fig. 4 ; n 4 mice for each group; p 0.05 ; . These results further demonstrate the requirement of neurosteroid synthesis in mediating the regulation of GABAARs by progesterone. Males treated with progesterone exhibit a decrease in the cumulative percentage time seizing per 2 h after kainic acid administration 32.1 2.9% ; compared with untreated males 66.3 8.9% ; Fig. 5 ; n 4 mice for each group; p 0.05 ; . This anticonvulsant action of progesterone in males is also blocked by treatment with fonasteride 79.3 6.6% ; , but is unaltered by administration of RU486 27.3 6.1% ; Fig. 5 ; n 4 mice for each group ; , further suggesting that the effects of progesterone on GABAAR regulation and excitability are mediated by neurosteroid metabolites of progesterone. Rapid changes in GABAAR expression and function induced by stress hormones We have demonstrated that there are ovarian hormone-mediated changes in GABAAR expression and function mediated by neurosteroid metabolites. To determine whether changes in GABAARs are unique to conditions of elevated ovarian hormone levels, we analyzed the changes in GABAARs associated with elevations in stress hormones after a single acute stressful episode. Mice were acutely stressed 2 min of CO2 exposure ; Barbaccia et and flagyl.
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294 treatment was discontinued. After an episode of hematemesis he went on to develop acute tubular necrosis leading to multisystem failure and he died a few days later. DISCUSSION The progressive increase in NHL in recent years is only partially explained by the AIDS epidemic. In a New Jersey study, AIDS was associated more with the increase in NHL in younger rather than older age groups [6]. Combination drug therapy for AIDS came into general use in 1995, and the period of the mid-to-late 1990s saw marked reductions in serious infections and deaths in AIDS patients. The incidence of Kaposi's sarcoma KS ; fell more sharply than that of ARL in this period [7, 8]. Primary CNS lymphoma in AIDS has been reduced in incidence about 20-fold since the introduction of HAART, with systemic immunoblastic lymphomas diminishing to a lesser degree. Interestingly, these effects on ARL incidence rates only become statistically evident after about a year of therapy; our patient had perhaps not started to benefit from HAART's effects in preventing ARL at the time of his diagnosis. The incidences of Burkitt's lymphoma and Hodgkin's disease are unchanged since the advent of HAART [9]. A possible decline in ARL in the HAART era is not as clear-cut as the decline in KS; depending on the series and mix of lymphoma types, it may even be going up. NHL is AIDS defining in only 3% of cases, but the cause of death in as many as 20% of cases [10]. Low CD4 counts have been linked to the occurrence of ARL [11]. HAART increases CD4 counts, decreases opportunistic infections, and increases survival in AIDS patients [10]. Primary intestinal lymphomas in the general population are of the T-cell type in 10%34% of cases, and have been described as presenting as rectal bleeding [12]. In Western countries, EBV appears not to play a pivotal role in the pathogenesis of ARL, in contrast to the more direct link evidenced by higher levels of EBV RNA transcripts in tumors diagnosed in the Third World. The exact mechanism of EBV involvement is not yet known [13], although multiple related actions have been described [14]. Peripheral T-cell neoplasms by the Revised EuropeanAmerican Classification of Lymphoid Neoplasms World Health Organization Classification of Lymphoid Neoplasms are a family of lymphoid neoplasms, of which peripheral T-cell lymphoma, not otherwise specified, is only one general entity but is apparently the most appropriate designation for our present case. Some of the other family members are T-cell prolymphocytic leukemia, adult T-cell lymphoma leukemia which is human T lymphotropic virus 1 positive ; , mycosis fungoides, hepatosplenic gamma-delta T-cell lymphoma, and enteropathy-type T-cell lymphoma. This last lymphoma has a GI location, but is usually found in the.
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Studies with the 5 alpha-reductase inhibitor finasteride demonstrate the dependency of prostate and male external genital differentiation on dihydrotestosterone dht.
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Macrophage Fc receptors Fc Rs ; play an important role in the host defense against infection and in the pathophysiology of immune cytopenias. Modulation of macrophage Fc R expression is a potential therapeutic approach to immune disorders. Glucocorticoids and progesterones decrease macrophage Fc R expression. We assessed the effect of treatment with androgens and antiandrogens on the expression of macrophage Fc Rs using an experimental guinea pig model. Four androgens testosterone, dihydrotestosterone, mesterolone, and danazol ; and five antiandrogens flutamide, nilutamide, cyproterone acetate, spironolactone, and finasteride ; were studied. Following in vivo treatment of guinea pigs, we determined the clearance of immunoglobulin G IgG ; -sensitized erythrocytes in vivo, the binding of IgG-sensitized erythrocytes by isolated splenic macrophages, and splenic macrophage Fc R cell surface expression. All of the androgens impaired the clearance of IgG-sensitized erythrocytes by decreasing splenic macrophage Fc R expression. Dihydrotestosterone and mesterolone were more effective than testosterone or dihydrotestosterone. Flow cytometry and fluorescence microscopy with monoclonal antibodies demonstrated that the androgens decreased the cell surface expression of Fc R1, 2 more than that of Fc R2. Antiandrogens did not significantly alter macrophage Fc R expression. Nevertheless, antiandrogens counteracted the effects of androgens on macrophage Fc R expression. These data indicate that androgens impair the clearance of IgG-coated cells by decreasing splenic macrophage Fc R expression. Thus, androgens other than danazol are candidate drugs for the treatment of immune disorders. Macrophage Fc receptors Fc Rs ; are relevant in the host defense against infection 9, 18 ; and in the pathologic process of immune cytopenias 24, 13, 19, ; . Therefore, regulation of macrophage Fc R expression is a potential therapeutic approach to immune disorders. Sex hormones may affect the clinical activity of autoimmune disorders 10, 15 ; and immune cytopenias 11, 14, 25, ; . In vitro data indicate that sex hormones have regulatory effects on lymphocyte and macrophage function 5, 12, 21, ; . Although the precise mechanisms by which these steroid hormones affect the immune system are not fully understood, our studies indicate that one effect is on macrophage Fc R function 1, 5, 7, ; . We studied the effect of the administration of androgens and antiandrogens on splenic macrophage Fc R expression using an experimental guinea pig model 7, 8 ; . Our data indicate that the inhibition of macrophage Fc R expression observed with glucocorticoids and progesterones is also achieved with androgens other than danazol. Therefore, they should be considered as candidate drugs for the treatment of immune complex disease and immune cytopenias.
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| Finasteride alternativesAsk the person administering drugs, if possible, to describe the system for administering the drugs given. Occasionally, a respiratory therapist may administer inhalers, a designated treatment person may only administer topical treatments, a hospice nurse may administer hospice medications, another person may administer eye drops or as needed drugs, etc. Sometimes people may share medication carts. Under these circumstances, these individuals should be interviewed about the omitted dose, if they were involved, if possible. When persons that were actually responsible for administering the drugs are not available, ask their supervisor for clarification.
Risk to a male fetus. PROSCAR tablets are coated and will prevent contact with the active ingredient during normal handling, provided that the tablets have not been broken or crushed. See CONTRAINDICATIONS; PRECAUTIONS, Information for Patients and Pregnancy; and HOW SUPPLIED ; . PRECAUTIONS General Prior to initiating therapy with PROSCAR, appropriate evaluation should be performed to identify other conditions such as infection, prostate cancer, stricture disease, hypotonic bladder or other neurogenic disorders that might mimic BPH. Patients with large residual urinary volume and or severely diminished urinary flow should be carefully monitored for obstructive uropathy. These patients may not be candidates for finasteride therapy. Caution should be used in the administration of PROSCAR in those patients with liver function abnormalities, as finasteride is metabolized extensively in the liver. Effects on PSA and Prostate Cancer Detection No clinical benefit has been demonstrated in patients with prostate cancer treated with PROSCAR. Patients with BPH and elevated PSA were monitored in controlled clinical studies with serial PSAs and prostate biopsies. In these studies, PROSCAR did not appear to alter the rate of prostate cancer detection. The overall incidence of prostate cancer was not significantly different in patients treated with PROSCAR or placebo. PROSCAR causes a decrease in serum PSA levels by approximately 50% in patients with BPH, even in the presence of prostate cancer. This decrease is predictable over the entire range of PSA values, although it may vary in individual patients. Analysis of PSA data from over 3000 patients in PLESS confirmed that in typical patients treated with PROSCAR for six months or more, PSA values should be doubled for comparison with normal ranges in untreated men. This adjustment preserves the sensitivity and specificity of the PSA assay and maintains its ability to detect prostate cancer. Any sustained increases in PSA levels while on PROSCAR should be carefully evaluated, including consideration of non-compliance to therapy with PROSCAR. Percent free PSA free to total PSA ratio ; is not significantly decreased by PROSCAR. The ratio of free to total PSA remains constant even under the influence of PROSCAR. If clinicians elect to use percent free PSA as an aid in the detection of prostate cancer in men undergoing finasteride therapy, no adjustment to its value appears necessary. Information for Patients Women should not handle crushed or broken PROSCAR tablets when they are pregnant or may potentially be pregnant because of the possibility of absorption of finasteride and the subsequent potential risk to the male fetus see CONTRAINDICATIONS; WARNINGS, EXPOSURE OF WOMEN -- RISK TO MALE FETUS; PRECAUTIONS, Pregnancy and HOW SUPPLIED ; . Physicians should inform patients that the volume of ejaculate may be decreased in some patients during treatment with PROSCAR. This decrease does not appear to interfere with normal sexual function. However, impotence and decreased libido may occur in patients treated with PROSCAR see ADVERSE REACTIONS ; . Physicians should instruct their patients to read the patient package insert before starting therapy with PROSCAR and to reread it each time the prescription is renewed so that they are aware of current information for patients regarding PROSCAR. Drug Laboratory Test Interactions In patients with BPH, PROSCAR has no effect on circulating levels of cortisol, estradiol, prolactin, thyroid-stimulating hormone, or thyroxine. No clinically meaningful effect was observed on the plasma lipid profile i.e., total cholesterol, low density lipoproteins, high density lipoproteins and triglycerides ; or bone mineral density. Increases of about 10% were observed in luteinizing hormone LH ; and follicle-stimulating hormone FSH ; in patients receiving PROSCAR, but levels remained within the normal range. In healthy volunteers, treatment with PROSCAR did not alter the response of LH and FSH to gonadotropin-releasing hormone indicating that the hypothalamic-pituitary-testicular axis was not affected. Treatment with PROSCAR for 24 weeks to evaluate semen parameters in healthy male volunteers revealed no clinically meaningful effects on sperm concentration, mobility, morphology, or pH. A 0.6 mL 22.1% ; median decrease in ejaculate volume with a concomitant reduction in total sperm per ejaculate, was observed. These parameters remained within the normal range and were reversible upon discontinuation of therapy with an average time to return to baseline of 84 weeks. 8.
Propecia's active ingredient is finasteride, an enzyme inhibitor that is also used to treat urinary problems in men.
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Diagnosing UC. Flexible sigmoidoscopy often is necessary to determine the extent of disease present. A full colonoscopy usually is not necessary unless uncertainties remain regarding the underlying diagnosis. Endoscopic findings in UC include mucosal erythema, petechiae, and possibly frank bleeding. More severe cases may be associated with ulcerations, exudates, and profuse bleeding. Colonic involvement is continuous in UC. Pseudopolyps may be present in diseased areas and indicate prior inflammation. Characteristic histology can be identified through colonic biopsy and confirms the diagnosis of UC. Barium enema is rarely used as a diagnostic tool for UC because of its lack of specificity. Barium enema is contraindicated in severely ill patients who may be predisposed to ileus or toxic megacolon. The diagnosis of CD usually is established with clinical and family history along with endoscopic and radiologic findings. Classic signs of CD seen on physical examination include perianal skin tags, sinus tracts, and a palpable, tender abdominal mass. Colonoscopy is the major diagnostic tool used to establish the diagnosis of CD. Endoscopic features of CD usually demonstrate a "cobblestone" mucosal appearance. In contrast to the continuous inflammation of UC, areas of Crohn's involvement are patchy and usually have intermittent areas of normal-appearing bowel. Pseudopolyps, as with UC, also may be present. Intestinal biopsy may be used to confirm the diagnosis of CD. Radiologic studies may be useful in documenting the diseased segments of the gastrointestinal tract not accessible by colonoscopy. Advances have been made in the development of diagnostic tools. A diagnostic imaging device in the form of a camera pill allows for the examination of the gastrointestinal tract without any adverse effects. Differential diagnosis for CD is also described in Table 1-3. Findings favoring the diagnosis of CD include small bowel involvement, the absence of bleeding, sparing of the rectum, and presence of perianal disease or fistulae. Measurements of serum antibodies may help distinguish UC from CD. In a study of children with IBD, patients who tested positive for pANCAs and negative for anti-Saccharomyces cerevisiae antibodies were more likely to have UC than CD, with a sensitivity of 57% and a specificity of 97%. Children who were pANCA-negative but anti-Saccharomyces cerevisiae antibodies-positive were more likely to have CD with 49% sensitivity and 97% specificity. Tools are available to assist clinicians in determining patient perception of IBD and for determining severity of disease for comparison of treatments in research studies. The Crohn's Disease Activity Index was developed to aid in assessing severity of CD activity in adults. The Crohn's Disease Activity Index evaluates eight variables such as number of stools per week, weight changes, patient assessment of well-being, abdominal pain, and hematocrits. Scores of 150 and below are associated with quiescent disease, whereas values above 450 are associated with severe disease. Since the original study, researchers have associated scores of 200250 with improved prognosis. In children and adolescents, the Pediatrics Crohn's Disease Activity Index is used to assess disease severity. A score of 0 to 100 is assigned based on subjective patient historical information regarding abdominal pain, number of stools, and general well-being over the previous week. The index also assigns points based on laboratory assessment; weight changes; height velocity; and other physical examination findings. A score of 015 indicates minimal disease; 1630, mild disease; and 31 or higher, moderate to severe disease. Children with severe CD will often have scores greater than 50. There is no universally accepted instrument for measuring disease activity in patients with UC. One commonly used instrument is the Disease Activity Index, which assesses stool frequency, presence of blood in the stool, a physician rating of disease activity, and sigmoidoscopic assessment. Remission is defined by a score of 0. These instruments are specifically designed for clinicians' assessment of disease; however, there also are patient-based questionnaires which allow practitioners to consider the patient's own observations of disease impact. Patient-based Questionnaires Health-related quality of life assessment is an important measure of a patient's own perception of his or her illness. The Inflammatory Bowel Disease Questionnaire is a widely used questionnaire for health-related quality of life assessment in patients with IBD. This questionnaire has been adapted to and validated in several languages and cultures. The original Inflammatory Bowel Disease Questionnaire contains 36 questions, but a shorter version and a pediatric version have been developed as well. This tool is useful both in clinical practice and in research. Disease Progression Ulcerative Colitis The progression of UC usually includes periods of intermittent exacerbations that alternate with periods of complete remission. For patients with proctitis and distal colitis, remission usually is achieved through medical treatment or may resolve spontaneously. Because of the potential for proximal progression of disease, patients should be monitored even after remission is achieved. For patients with more severe disease, medical therapy may be effective, but remission is difficult to achieve. Surgical intervention with colectomy is considered curative for patients with UC, regardless of the severity of disease. Surgery is indicated for patients whose disease is refractory to conventional therapy or who experience massive hemorrhage or colonic perforation. Other potential surgical candidates include patients with toxic megacolon or.
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