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which is more related to concurrent inflammatory processes&#46;<span class="elsevierStyleSup">6&#44;7</span> Apart from its impact on nutrition&#44; anorexia is itself an independent risk factor for morbidity and mortality&#46;<span class="elsevierStyleSup">1&#44;2</span> Its pathogenesis is unknown&#46; Inflammatory cytokines&#44; deregulation of hormones and neuropeptides that control appetite&#44; retention of medium molecular weight molecules&#44; and alterations in amino acid concentrations seem involved&#46;<span class="elsevierStyleSup">4&#44;8&#44;9</span></p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">The control of anorexia is important for the prevention and treatment of malnutrition associated with renal failure&#59; however&#44; few studies have focused on appetite and specific measures to stimulate it&#46; In the HEMO study&#44; it was found that neither the administration of a greater dose of haemodialysis than that currently considered adequate nor the use of high-flux dialysers resulted in an improvement in appetite&#46;<span class="elsevierStyleSup">10</span> Appetite is lower on the day of haemodialysis&#44;<span class="elsevierStyleSup">11</span> but an increase has been reported as the number of sessions increases&#46;<span class="elsevierStyleSup">12</span></p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">Steroids&#44; progestogens&#44; and serotonin agonists have been used to stimulate appetite in various clinical situations&#46;<span class="elsevierStyleSup">13</span> Of all substances with orexigenic effects&#44; the best known is megestrol acetate&#46; It is a synthetic progestin that is used to increase appetite and weight in cancer patients or those infected with the HIV virus&#46;<span class="elsevierStyleSup">14&#44;15</span> Two systematic reviews concluded that treatment with megestrol acetate is effective in those cases&#46;<span class="elsevierStyleSup">16&#44;17</span> Its tolerance is considered to be good&#44; with a rate of side effects no higher than those observed in placebo groups&#44;<span class="elsevierStyleSup">17</span> but adverse effects have been reported such as gastrointestinal intolerance&#44; hyperglycaemia&#44; and inhibition of secretion of pituitary hormones such as corticotropin &#40;ACTH&#41; and the gonadotropins&#46;<span class="elsevierStyleSup">14</span> The use of megestrol acetate in patients undergoing dialysis has limited experience&#59; the doses used have varied&#44; as have the results&#46;<span class="elsevierStyleSup">18-23</span></p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">In January 2009 we began a protocol of treatment of anorexia in dialysis patients with megestrol acetate&#46; In this paper we describe our experience with the patients that began treatment during its first year of use&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">MATERIAL AND METHOD</span></p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">For the definition of anorexia&#44; we used the appetite questionnaire from the HEMO<span class="elsevierStyleSup">11</span> and DOPPS<span class="elsevierStyleSup">2</span> studies&#46; It reflects the patient&#8217;s current appetite as they see it on a Likert scale with five possibilities&#58; very good&#44; good&#44; fair&#44; poor&#44; or very poor&#46; Next the patients are asked if in the last four week their appetite has improved&#44; stayed the same&#44; or worsened&#46; Anorexia is diagnosed when a patient reports that their current appetite is fair&#44; poor&#44; or very poor&#44; and that in the last 4 weeks it has not changed or has worsened&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">In 2009&#44; 99 patients with chronic renal failure were cared for in our haemodialysis unit&#46; During this year&#44; 18 patients with anorexia gave their informed consent to receive treatment with megestrol acetate&#46; One patient was excluded who stopped the treatment one month after starting&#44; without obvious cause&#44; and another was diagnosed with multiple myeloma and died from his illness two months later&#46; The 16 remaining cases were treated with megestrol acetate for 3 months and make up the object of this study&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">Age&#44; gender&#44; time on haemodialysis&#44; and the possible cause of anorexia are shown in Table 1&#46; Three patients had insulin-dependent diabetes mellitus &#40;cases 1&#44; 2 and 16&#41;&#46; Eight patients &#40;cases 3&#44; 6&#44; 7&#44; 8&#44; 11&#44; 15&#44; and 16&#41; had resumed haemodialysis after a failed kidney transplant&#59; none of them received immunosupression at the time of beginning treatment with megestrol acetate&#46; In 7 patients&#44; an intercurrent process triggered anorexia&#58; initiation of treatment for hepatitis C with interferon &#40;case 6&#41;&#59; HIV infection treated with antiretroviral drugs &#40;case 11&#41;&#44; and admission to hospital for various complications &#40;cases 2&#44; 4&#44; 7&#44; 13 and 16&#41;&#46; In the 9 remaining cases&#44; the lack of appetite could not be attributed to a specific cause&#46; All patients started treatment as outpatients&#46; In the cases in which anorexia was brought on by intercurrent conditions that required hospital admission&#44; the treatment with megestrol acetate started after the patients were discharged&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">The starting dose of megestrol acetate was 160 mg daily in a single dose&#46; No calorie or protein supplements were administered orally or intravenously during haemodialysis&#46; After 3 months of treatment&#44; response was assessed through a survey in which patients were asked whether their appetite had improved and the evolution of dry weight and laboratory parameters were analysed&#46; The follow-up period ended 30 June 2010&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">The patients had dialysis three times per week&#44; 3&#46;5-4 hours per session&#44; with high-flux dialysis and ultra-pure dialysis liquid&#46; The dialysis dose was calculated using standard urea clearance &#40;Kt&#47;V&#41; obtained using the simplified monocompartmental Daugirdas formula&#46; The protein catabolic rate &#40;PCR&#41; was obtained using the Borah formula as modified by Sargent&#46;<span class="elsevierStyleSup">24</span> Dry weight was determined using clinical criteria&#46; Twelve patients had residual diuresis less than 150 ml&#47;day when treatment with megestrol acetate was indicated&#46; Blood samples for the laboratory measurements were obtained immediately before the first haemodialysis session of the week&#44; after the long interdialytic interval&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">Data are expressed as mean &#40;SD&#41;&#46; For the statistical analysis we used the Student&#39;s t test for paired data&#46; Values with <span class="elsevierStyleItalic">P</span>&#60;&#46;05 were considered statistically significant&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">RESULTS</span></p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">The loss of dry weight in the two months prior to treatment with megestrol acetate&#44; the subjective evaluation of appetite&#44; and the evolution of dry weight at the three-month follow-up are shown in Table 1&#46; Thirteen patients considered that their appetite had improved&#46; Dry weight increased in 15 patients&#44; although in five of them the increase was less than 1 kg&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">The evolution of the parameters related to nutrition analysed after the third month of treatment is shown in Table 2&#46; Overall&#44; the group saw a significant increase in dry weight&#44; in concentrations of albumin and creatinine&#44; and in the rate of protein catabolism&#46; The last two parameters were analysed only in the 12 patients without diuresis&#44; in order to avoid the possible influence of variations in residual renal function&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">The dialysis dose did not vary significantly&#58; baseline spKtV 1&#46;59 &#40;0&#46;37&#41; and at 3 months&#58; 1&#46;63 &#40;0&#46;29&#41;&#46; Statistically significant changes were not observed in the concentration of haemoglobin &#40;baseline&#58; 10&#46;6 &#91;1&#46;2&#93;&#59; 3 months&#58; 11&#46;5 &#91;1&#46;4&#93; g&#47;dl&#41;&#46; They were also not seen in the intravenous dose of recombinant human erythropoieitin &#40;baseline dose&#58; 19&#46;062 &#91;17&#46;448&#93;&#59; 3 months&#58; 15&#46;906 &#91;14&#46;262&#93; U&#47;week&#41;&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">The treatment with megestrol acetate did not have a statistically significant effect on total cholesterol &#40;baseline&#58; 152&#46;3 &#91;36&#93;&#59; 3 months&#58; 145&#46;4 &#91;34&#46;6&#93; mg&#47;dl&#41;&#44; HDL cholesterol &#40;baseline&#58; 35&#46;8 &#91;14&#46;6&#93;&#59; 3 months&#58; 33&#46;3 &#91;8&#46;2&#93; mg&#47;dl&#41; and LDL cholesterol &#40;baseline&#58; 98&#46;6 &#91;37&#93; mg&#47;dl&#59; 3 months&#58; 86&#46;2 &#91;30&#46;2&#93; mg&#47;dl&#41;&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">The follow-up period from the start of treatment&#44; the time of treatment with megestrol acetate&#44; the cause of withdrawal and weight gain are shown in Table 3&#46; Three patients died during the follow-up period&#46; Cases 2 and 10&#44; with severe vascular disease&#44; died as a consequence of this disease&#44; and case 3&#44; due to tuberculosis pericarditis in a patient with AIDS&#46; The 13 remaining patients were alive when the study ended&#46; In 5 patients the dose of megestrol acetate was increased to 320 mg&#47;day due to a lack of response to the initial dose &#40;cases 6&#44; 8&#44; and 12&#41; or due to a later decrease of appetite &#40;cases 9 and 14&#41;&#44; with good appetite evolution and weight in all cases&#46; At the time the study ended&#44; 3 patients continued taking megestrol acetate&#46; In two of them&#44; attempts to withdraw the treatment were associated with loss of appetite and the need to reintroduce the treatment &#40;cases 1 and 7&#41;&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">Side effects</span></p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">Of the three patients with insulin-dependent diabetes mellitus &#40;cases 1&#44; 2&#44; and 6&#41;&#44; two did not need their insulin dosage to be modified after administering megestrol acetate&#46; In case 2&#44; the dose of Lantus insulin needed to be increased from 15 to 18 U&#47;day&#46; An increase in glucose concentration was found in two of the 13 remaining patients&#46; In one patient &#40;case 13&#41; who had dialysis in the afternoon&#44; the postprandial blood glucose&#44; which had been less than 125 mg&#47;dl&#44; increased starting the second month of treatment &#40;maximum concentration 156 mg&#47;dl&#41; and returned to normal figures one month after the end of treatment&#46; In case 6&#44; baseline glucose increased with the administration of interferon up to a maximum of 153 mg&#47;dl&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">One patient &#40;case 9&#41;&#44; who received low doses of steroids for necrotising vasculitis with leukocyte cytoplasmic antibodies&#44; had left deep femoral vein thrombophlebitis after the sixth month of treatment and needed anticoagulation for 3 months&#44; with complete repermeabilisation of the femoral vein&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">A study of the pituitary-adrenal axis was conducted in 10 patients during the treatment with megestrol acetate&#46; We determined baseline ACTH&#44; baseline cortisol&#44; and at 30 and 60 minutes after stimulation with ACTH &#40;0&#46;25 mg of ACTH i&#46;v&#46;&#41; &#40;Table 4&#41;&#46; Three patients had a basal cortisol level below the normal range&#44; associated in 2 cases with concentrations of ACTH at the lower limits of normality&#46; Concentrations of FSH and LH gonadotropins were measured in 8 patients&#44; which were within the normal range in all of them &#40;data not shown&#41;&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">DISCUSSION</span></p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">We describe here our experience with the use of megestrol acetate in 16 patients treated with haemodialysis who reported anorexia&#46; The diagnosis of anorexia was made using the HEMO and DOPPS questionnaire on subjective appraisal of appetite&#46; The validity of the questionnaire was demonstrated in both studies by showing that the evaluation of appetite is a faithful reflection of the consumption of food&#44;<span class="elsevierStyleSup">1&#44;11</span> has a good correlation with nutritional parameters and those of quality of life&#44;<span class="elsevierStyleSup">1&#44;2 </span>and is a predictor of morbidity and mortality&#46;<span class="elsevierStyleSup">1-3</span></p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">The initial dose of megestrol acetate was 160 mg&#47;day&#46; This is an intermediate dose among the wide range of doses used in patients on dialysis&#58; 40 mg &#40;18&#41;&#44; 80 mg &#40;22&#41;&#44; 160 mg &#40;21&#41;&#44; 400 mg &#40;20&#41;&#44; and 800 mg daily&#46;<span class="elsevierStyleSup">19&#44;23</span> At 3 months&#44; 13 of the 16 patients believed their appetite had improved&#46; Overall&#44; the group saw an increase in dry weight&#44; an improvement in nutritional parameters related to protein metabolism such as albumin concentration and protein catabolic rate &#40;a reflection of the consumption of protein&#41; and an increase in the concentration of creatinine &#40;an indicator of muscular mass&#41;&#46; The effect of megestrol acetate on albumin concentration has been observed in other studies with patients on dialysis&#46;<span class="elsevierStyleSup">18&#44;20-22</span></p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">Treatment with megestrol acetate is usually temporary&#46; In our series&#44; 87&#37; of the cases were treated for less than one year &#40;4-11 months&#41;&#44; stimulating appetite itself in clinically stable patients&#44; or helping to recover from intercurrent conditions&#44; which are frequent in patients on dialysis&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">At the dose used&#44; clinical tolerance was good and no patient reported symptoms such as headache&#44; diarrhoea&#44; confusion&#44; or dizziness&#44; which have been reported at doses of 800 mg per day&#46;<span class="elsevierStyleSup">19</span> However&#44; we did observe other side effects attributable to the use of megestrol acetate&#46; One diabetic patient needed an increase in her dose of insulin&#44; and in 2 patients an increase in plasma glucose concentration was detected&#46; The inhibitory effect of megestrol acetate on the pituitary-adrenal axis was a more significant revelation&#46; In 3 of 10 patients studied&#44; a reduction in baseline cortisol was found&#44; with low concentrations of corticotropin in two cases&#46; These possible effects on the endocrine system have not been analysed in other studies on dialysis patients&#46; One patient had thrombophlebitis&#46; Relating this with megestrol acetate is hypothetical&#44; since the patient was receiving steroids for necrotising vasculitis&#46; We did not observe any effect of megestrol acetate on lipid profiles or on treatment for anaemia&#46; No inhibition of FSH or LH concentrations was found in any of the patients studied&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">We can conclude that megestrol acetate stimulates appetite in patients on haemodialysis who report anorexia&#46; The increase in appetite is accompanied by an increase in weight and an improvement in other nutritional parameters related to protein metabolism&#46; However&#44; induced hyperglycaemia and inhibited secretion of ACTH are possible side effects that should be taken into account when administering this drug&#46; The dose and duration of treatment should be established in future studies&#46;</p><p class="elsevierStylePara"><a href="10546&#95;108&#95;11163&#95;en&#95;10546&#95;tabla&#95;1&#95;en&#46;doc" class="elsevierStyleCrossRefs">10546&#95;108&#95;11163&#95;en&#95;10546&#95;tabla&#95;1&#95;en&#46;doc</a></p><p class="elsevierStylePara">Table 1&#46; Baseline data on patients and progress at three months of treatment with megestrol acetate</p><p class="elsevierStylePara"><a href="10546&#95;108&#95;11164&#95;en&#95;10546&#95;tabla&#95;2&#95;1&#95;en&#46;doc" class="elsevierStyleCrossRefs">10546&#95;108&#95;11164&#95;en&#95;10546&#95;tabla&#95;2&#95;1&#95;en&#46;doc</a></p><p class="elsevierStylePara">Table 2&#46; Changes in dry weight&#44; albumin and creatinine concentrations&#44; lymphocyte count and protein catabolic rate &#40;PCR&#41; at the third month of treatment with megestrol acetate</p><p class="elsevierStylePara"><a href="10546&#95;108&#95;11165&#95;en&#95;10546&#95;tabla&#95;3&#95;copy1&#95;en&#46;doc" class="elsevierStyleCrossRefs">10546&#95;108&#95;11165&#95;en&#95;10546&#95;tabla&#95;3&#95;copy1&#95;en&#46;doc</a></p><p class="elsevierStylePara">Table 3&#46; Follow-up from the start of treatment until the end of the study &#40;30 June 2010&#41;&#44; time of treatment with megestrol acetate&#44; cause of withdrawal and weight gain&#46;</p><p class="elsevierStylePara"><a href="10546&#95;108&#95;11166&#95;en&#95;10546&#95;tabla&#95;4&#95;en&#46;doc" class="elsevierStyleCrossRefs">10546&#95;108&#95;11166&#95;en&#95;10546&#95;tabla&#95;4&#95;en&#46;doc</a></p><p class="elsevierStylePara">Table 4&#46; Study of the pituitary-adrenal axis using the ACTH test &#40;0&#46;25 mg of ACTH i&#46;v&#46;&#41;</p>"
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        "resumen" => "<p class="elsevierStylePara"><span class="elsevierStyleBold">Background&#58;</span> Anorexia is a common disorder in patients treated with regular haemodialysis and is a contributing factor to malnutrition&#46; The aim of this study was to evaluate the effectiveness of megestrol acetate&#44; an appetite stimulant used in cancer patients&#44; as a treatment for anorexia in dialysis patients&#46;&#160;<span class="elsevierStyleBold">Material and method&#58;</span> In 2009&#44; 16 patients in our haemodialysis unit&#44; three with diabetes mellitus&#44; were treated with megestrol &#40;160 mg&#47;day single dose&#41; for anorexia defined according to a Likert scale of appetite&#46; The schedule and dialysis dose were not changed during the study&#46;&#160;<span class="elsevierStyleBold">Results&#58;</span> In the third month of treatment there was&#44; in the overall group&#44; an increase in dry weight &#40;60&#46;8 vs 58&#46;9 kg&#44; <span class="elsevierStyleItalic">P</span>&#60;&#46;01&#41;&#44; in albumin concentration &#40;4&#46;02 vs 3&#46;8 g&#47;dl&#44; <span class="elsevierStyleItalic">P</span>&#60;&#46;05&#41;&#44; in creatinine concentration &#40;9&#46;73 vs 8&#46;26 mg&#47;dl&#44; <span class="elsevierStyleItalic">P</span>&#60;&#46;01&#41;&#44; and protein catabolic rate &#40;1&#46;24 vs&#46; 0&#46;97 g&#47;kg&#47;day&#44; <span class="elsevierStyleItalic">P</span>&#60;&#46;0001&#41;&#46;&#160;Non-significant variations in the concentration of haemoglobin&#44; erythropoietin dose&#44; and lipid concentrations were found&#46; One patient with diabetes mellitus had to increase the dose of insulin and two other patients suffered mild hyperglycaemia&#46; Megestrol acetate did not suppress the secretion of pituitary sex hormones&#44; but in 3 of 10 patients studied inhibition of ACTH secretion was found&#46; The response was not homogeneous&#58; one patient did not respond and reduced his dry weight&#44; in 5 the weight gain was minimal &#40;less than 1 kg&#41; and in the remaining ten the response was good&#44; with an increase in dry weight ranging between 1&#46;5 and 5&#46;5 kg&#46; <span class="elsevierStyleBold">Conclusions&#58;</span> Megestrol acetate can improve appetite and nutritional parameters in patients treated with periodic haemodialysis who report anorexia&#46; Megestrol acetate may induce hyperglycaemia and inhibit the secretion of ACTH in some patients&#46; These side effects should be assessed when administering this treatment&#46;</p>"
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        "resumen" => "<p class="elsevierStylePara"><span class="elsevierStyleBold">Introducci&#243;n&#58;</span> La anorexia es un trastorno frecuente en el enfermo tratado con hemodi&#225;lisis peri&#243;dica&#44; y factor contribuyente de la malnutrici&#243;n&#46; El objetivo del presente trabajo es comprobar la eficacia del acetato de megestrol&#44; un estimulador del apetito utilizado en enfermos con c&#225;ncer&#44; como tratamiento de la anorexia del enfermo sometido a di&#225;lisis&#46; <span class="elsevierStyleBold">Material y m&#233;todos&#58;</span> En el a&#241;o 2009&#44; 16 enfermos de nuestra unidad de hemodi&#225;lisis&#44;&#160;tres de ellos con diabetes mellitus&#44; fueron tratados con acetato de megestrol &#40;160 mg&#47;d&#237;a en dosis &#250;nica&#41;&#44; por anorexia definida seg&#250;n una escala Likert de apetito&#46; La pauta y la dosis de di&#225;lisis no fueron modificadas durante el estudio&#46; <span class="elsevierStyleBold">Resultados&#58;</span> Al tercer mes de tratamiento se objetiv&#243;&#44; en el grupo total&#44;&#160; un aumento del peso seco &#40;60&#44;8 frente a&#160;58&#44;9 kg&#59; p &#60;0&#44;01&#41;&#44; de la concentraci&#243;n de alb&#250;mina&#160; &#40;4&#44;02 frente a&#160;3&#44;8 g&#47;dl&#59; p &#60;0&#44;05&#41;&#44; de la concentraci&#243;n de creatinina &#40;9&#44;73 frente a&#160;8&#44;26 mg&#47;dl&#59; p &#60;0&#44;01&#41; y de la tasa de catabolismo proteico &#40;1&#44;24 frente a&#160;0&#44;97 g&#47;kg&#47;d&#237;a&#59; p &#60;0&#44;001&#41;&#46; No hemos constatado variaciones significativas en la concentraci&#243;n de hemoglobina&#44; dosis de eritropoyetina y concentraci&#243;n de l&#237;pidos&#46; En un enfermo con diabetes mellitus hubo que aumentar la dosis de insulina y en otros 2 enfermos se detect&#243; una hiperglucemia leve&#46; El acetato de megestrol no suprimi&#243; la secreci&#243;n de hormonas sexuales hipofisarias&#44; pero en 3 de 10 enfermos estudiados se constat&#243; una inhibici&#243;n de la secreci&#243;n de corticotropina&#46;&#160;La respuesta no fue homog&#233;nea&#58; un enfermo no respondi&#243; y disminuy&#243; su peso seco&#44; en cinco el incremento de peso fue discreto &#40;inferior a 1 kg&#41; y en los 10 restantes la respuesta fue buena&#44; con un incremento de peso seco que oscil&#243; entre 1&#44;5 y 5&#44;5 kg&#46; <span class="elsevierStyleBold">Conclusiones&#58;</span> El acetato de megestrol puede mejorar el apetito y los par&#225;metros nutricionales en enfermos tratados con hemodi&#225;lisis peri&#243;dica que refieran anorexia&#46; El acetato de megestrol puede inducir hiperglucemia e inhibir la secreci&#243;n de corticotropina en algunos pacientes&#46; Estos efectos secundarios deben ser valorados cuando se administre este tratamiento&#46;</p>"
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Treatment of uraemic anorexia with megestrol acetate
Tratamiento de la anorexia urémica con acetato de megestrol
, MILAGROS FERNÁNDEZ LUCASb, M.. Fernández Lucasc, JOSE LUIS TERUELb, J.L.. Teruelc, VICTOR BURGUERAb, V.. Burguerac, HARIDIAN SOSAb, H.. Sosac, MAITE RIVERAb, M.. Riverac, JOSE RAMÓN RODRIGUEZ PALOMARESb, J.R.. Rodríguez Palomaresc, ROBERTO MARCÉNb, R.. Marcénc, CARLOS QUEREDAb, C.. Queredac
b NEFROLOGIA, HOSPITAL RAMON Y CAJAL, MADRID, Spain,
c Servicio de Nefrología, Hospital Ramón y Cajal, Madrid,
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Three patients had insulin-dependent diabetes mellitus &#40;cases 1&#44; 2 and 16&#41;&#46; Eight patients &#40;cases 3&#44; 6&#44; 7&#44; 8&#44; 11&#44; 15&#44; and 16&#41; had resumed haemodialysis after a failed kidney transplant&#59; none of them received immunosupression at the time of beginning treatment with megestrol acetate&#46; In 7 patients&#44; an intercurrent process triggered anorexia&#58; initiation of treatment for hepatitis C with interferon &#40;case 6&#41;&#59; HIV infection treated with antiretroviral drugs &#40;case 11&#41;&#44; and admission to hospital for various complications &#40;cases 2&#44; 4&#44; 7&#44; 13 and 16&#41;&#46; In the 9 remaining cases&#44; the lack of appetite could not be attributed to a specific cause&#46; All patients started treatment as outpatients&#46; In the cases in which anorexia was brought on by intercurrent conditions that required hospital admission&#44; the treatment with megestrol acetate started after the patients were discharged&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">The starting dose of megestrol acetate was 160 mg daily in a single dose&#46; No calorie or protein supplements were administered orally or intravenously during haemodialysis&#46; After 3 months of treatment&#44; response was assessed through a survey in which patients were asked whether their appetite had improved and the evolution of dry weight and laboratory parameters were analysed&#46; The follow-up period ended 30 June 2010&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">The patients had dialysis three times per week&#44; 3&#46;5-4 hours per session&#44; with high-flux dialysis and ultra-pure dialysis liquid&#46; The dialysis dose was calculated using standard urea clearance &#40;Kt&#47;V&#41; obtained using the simplified monocompartmental Daugirdas formula&#46; The protein catabolic rate &#40;PCR&#41; was obtained using the Borah formula as modified by Sargent&#46;<span class="elsevierStyleSup">24</span> Dry weight was determined using clinical criteria&#46; Twelve patients had residual diuresis less than 150 ml&#47;day when treatment with megestrol acetate was indicated&#46; Blood samples for the laboratory measurements were obtained immediately before the first haemodialysis session of the week&#44; after the long interdialytic interval&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">Data are expressed as mean &#40;SD&#41;&#46; For the statistical analysis we used the Student&#39;s t test for paired data&#46; Values with <span class="elsevierStyleItalic">P</span>&#60;&#46;05 were considered statistically significant&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">RESULTS</span></p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">The loss of dry weight in the two months prior to treatment with megestrol acetate&#44; the subjective evaluation of appetite&#44; and the evolution of dry weight at the three-month follow-up are shown in Table 1&#46; Thirteen patients considered that their appetite had improved&#46; Dry weight increased in 15 patients&#44; although in five of them the increase was less than 1 kg&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">The evolution of the parameters related to nutrition analysed after the third month of treatment is shown in Table 2&#46; Overall&#44; the group saw a significant increase in dry weight&#44; in concentrations of albumin and creatinine&#44; and in the rate of protein catabolism&#46; The last two parameters were analysed only in the 12 patients without diuresis&#44; in order to avoid the possible influence of variations in residual renal function&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">The dialysis dose did not vary significantly&#58; baseline spKtV 1&#46;59 &#40;0&#46;37&#41; and at 3 months&#58; 1&#46;63 &#40;0&#46;29&#41;&#46; Statistically significant changes were not observed in the concentration of haemoglobin &#40;baseline&#58; 10&#46;6 &#91;1&#46;2&#93;&#59; 3 months&#58; 11&#46;5 &#91;1&#46;4&#93; g&#47;dl&#41;&#46; They were also not seen in the intravenous dose of recombinant human erythropoieitin &#40;baseline dose&#58; 19&#46;062 &#91;17&#46;448&#93;&#59; 3 months&#58; 15&#46;906 &#91;14&#46;262&#93; U&#47;week&#41;&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">The treatment with megestrol acetate did not have a statistically significant effect on total cholesterol &#40;baseline&#58; 152&#46;3 &#91;36&#93;&#59; 3 months&#58; 145&#46;4 &#91;34&#46;6&#93; mg&#47;dl&#41;&#44; HDL cholesterol &#40;baseline&#58; 35&#46;8 &#91;14&#46;6&#93;&#59; 3 months&#58; 33&#46;3 &#91;8&#46;2&#93; mg&#47;dl&#41; and LDL cholesterol &#40;baseline&#58; 98&#46;6 &#91;37&#93; mg&#47;dl&#59; 3 months&#58; 86&#46;2 &#91;30&#46;2&#93; mg&#47;dl&#41;&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">The follow-up period from the start of treatment&#44; the time of treatment with megestrol acetate&#44; the cause of withdrawal and weight gain are shown in Table 3&#46; Three patients died during the follow-up period&#46; Cases 2 and 10&#44; with severe vascular disease&#44; died as a consequence of this disease&#44; and case 3&#44; due to tuberculosis pericarditis in a patient with AIDS&#46; The 13 remaining patients were alive when the study ended&#46; In 5 patients the dose of megestrol acetate was increased to 320 mg&#47;day due to a lack of response to the initial dose &#40;cases 6&#44; 8&#44; and 12&#41; or due to a later decrease of appetite &#40;cases 9 and 14&#41;&#44; with good appetite evolution and weight in all cases&#46; At the time the study ended&#44; 3 patients continued taking megestrol acetate&#46; In two of them&#44; attempts to withdraw the treatment were associated with loss of appetite and the need to reintroduce the treatment &#40;cases 1 and 7&#41;&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">Side effects</span></p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">Of the three patients with insulin-dependent diabetes mellitus &#40;cases 1&#44; 2&#44; and 6&#41;&#44; two did not need their insulin dosage to be modified after administering megestrol acetate&#46; In case 2&#44; the dose of Lantus insulin needed to be increased from 15 to 18 U&#47;day&#46; An increase in glucose concentration was found in two of the 13 remaining patients&#46; In one patient &#40;case 13&#41; who had dialysis in the afternoon&#44; the postprandial blood glucose&#44; which had been less than 125 mg&#47;dl&#44; increased starting the second month of treatment &#40;maximum concentration 156 mg&#47;dl&#41; and returned to normal figures one month after the end of treatment&#46; In case 6&#44; baseline glucose increased with the administration of interferon up to a maximum of 153 mg&#47;dl&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">One patient &#40;case 9&#41;&#44; who received low doses of steroids for necrotising vasculitis with leukocyte cytoplasmic antibodies&#44; had left deep femoral vein thrombophlebitis after the sixth month of treatment and needed anticoagulation for 3 months&#44; with complete repermeabilisation of the femoral vein&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">A study of the pituitary-adrenal axis was conducted in 10 patients during the treatment with megestrol acetate&#46; We determined baseline ACTH&#44; baseline cortisol&#44; and at 30 and 60 minutes after stimulation with ACTH &#40;0&#46;25 mg of ACTH i&#46;v&#46;&#41; &#40;Table 4&#41;&#46; Three patients had a basal cortisol level below the normal range&#44; associated in 2 cases with concentrations of ACTH at the lower limits of normality&#46; Concentrations of FSH and LH gonadotropins were measured in 8 patients&#44; which were within the normal range in all of them &#40;data not shown&#41;&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara"><span class="elsevierStyleBold">DISCUSSION</span></p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">We describe here our experience with the use of megestrol acetate in 16 patients treated with haemodialysis who reported anorexia&#46; The diagnosis of anorexia was made using the HEMO and DOPPS questionnaire on subjective appraisal of appetite&#46; The validity of the questionnaire was demonstrated in both studies by showing that the evaluation of appetite is a faithful reflection of the consumption of food&#44;<span class="elsevierStyleSup">1&#44;11</span> has a good correlation with nutritional parameters and those of quality of life&#44;<span class="elsevierStyleSup">1&#44;2 </span>and is a predictor of morbidity and mortality&#46;<span class="elsevierStyleSup">1-3</span></p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">The initial dose of megestrol acetate was 160 mg&#47;day&#46; This is an intermediate dose among the wide range of doses used in patients on dialysis&#58; 40 mg &#40;18&#41;&#44; 80 mg &#40;22&#41;&#44; 160 mg &#40;21&#41;&#44; 400 mg &#40;20&#41;&#44; and 800 mg daily&#46;<span class="elsevierStyleSup">19&#44;23</span> At 3 months&#44; 13 of the 16 patients believed their appetite had improved&#46; Overall&#44; the group saw an increase in dry weight&#44; an improvement in nutritional parameters related to protein metabolism such as albumin concentration and protein catabolic rate &#40;a reflection of the consumption of protein&#41; and an increase in the concentration of creatinine &#40;an indicator of muscular mass&#41;&#46; The effect of megestrol acetate on albumin concentration has been observed in other studies with patients on dialysis&#46;<span class="elsevierStyleSup">18&#44;20-22</span></p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">Treatment with megestrol acetate is usually temporary&#46; In our series&#44; 87&#37; of the cases were treated for less than one year &#40;4-11 months&#41;&#44; stimulating appetite itself in clinically stable patients&#44; or helping to recover from intercurrent conditions&#44; which are frequent in patients on dialysis&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">At the dose used&#44; clinical tolerance was good and no patient reported symptoms such as headache&#44; diarrhoea&#44; confusion&#44; or dizziness&#44; which have been reported at doses of 800 mg per day&#46;<span class="elsevierStyleSup">19</span> However&#44; we did observe other side effects attributable to the use of megestrol acetate&#46; One diabetic patient needed an increase in her dose of insulin&#44; and in 2 patients an increase in plasma glucose concentration was detected&#46; The inhibitory effect of megestrol acetate on the pituitary-adrenal axis was a more significant revelation&#46; In 3 of 10 patients studied&#44; a reduction in baseline cortisol was found&#44; with low concentrations of corticotropin in two cases&#46; These possible effects on the endocrine system have not been analysed in other studies on dialysis patients&#46; One patient had thrombophlebitis&#46; Relating this with megestrol acetate is hypothetical&#44; since the patient was receiving steroids for necrotising vasculitis&#46; We did not observe any effect of megestrol acetate on lipid profiles or on treatment for anaemia&#46; No inhibition of FSH or LH concentrations was found in any of the patients studied&#46;</p><p class="elsevierStylePara">&#160;</p><p class="elsevierStylePara">We can conclude that megestrol acetate stimulates appetite in patients on haemodialysis who report anorexia&#46; The increase in appetite is accompanied by an increase in weight and an improvement in other nutritional parameters related to protein metabolism&#46; However&#44; induced hyperglycaemia and inhibited secretion of ACTH are possible side effects that should be taken into account when administering this drug&#46; The dose and duration of treatment should be established in future studies&#46;</p><p class="elsevierStylePara"><a href="10546&#95;108&#95;11163&#95;en&#95;10546&#95;tabla&#95;1&#95;en&#46;doc" class="elsevierStyleCrossRefs">10546&#95;108&#95;11163&#95;en&#95;10546&#95;tabla&#95;1&#95;en&#46;doc</a></p><p class="elsevierStylePara">Table 1&#46; Baseline data on patients and progress at three months of treatment with megestrol acetate</p><p class="elsevierStylePara"><a href="10546&#95;108&#95;11164&#95;en&#95;10546&#95;tabla&#95;2&#95;1&#95;en&#46;doc" class="elsevierStyleCrossRefs">10546&#95;108&#95;11164&#95;en&#95;10546&#95;tabla&#95;2&#95;1&#95;en&#46;doc</a></p><p class="elsevierStylePara">Table 2&#46; Changes in dry weight&#44; albumin and creatinine concentrations&#44; lymphocyte count and protein catabolic rate &#40;PCR&#41; at the third month of treatment with megestrol acetate</p><p class="elsevierStylePara"><a href="10546&#95;108&#95;11165&#95;en&#95;10546&#95;tabla&#95;3&#95;copy1&#95;en&#46;doc" class="elsevierStyleCrossRefs">10546&#95;108&#95;11165&#95;en&#95;10546&#95;tabla&#95;3&#95;copy1&#95;en&#46;doc</a></p><p class="elsevierStylePara">Table 3&#46; Follow-up from the start of treatment until the end of the study &#40;30 June 2010&#41;&#44; time of treatment with megestrol acetate&#44; cause of withdrawal and weight gain&#46;</p><p class="elsevierStylePara"><a href="10546&#95;108&#95;11166&#95;en&#95;10546&#95;tabla&#95;4&#95;en&#46;doc" class="elsevierStyleCrossRefs">10546&#95;108&#95;11166&#95;en&#95;10546&#95;tabla&#95;4&#95;en&#46;doc</a></p><p class="elsevierStylePara">Table 4&#46; Study of the pituitary-adrenal axis using the ACTH test &#40;0&#46;25 mg of ACTH i&#46;v&#46;&#41;</p>"
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        "resumen" => "<p class="elsevierStylePara"><span class="elsevierStyleBold">Background&#58;</span> Anorexia is a common disorder in patients treated with regular haemodialysis and is a contributing factor to malnutrition&#46; The aim of this study was to evaluate the effectiveness of megestrol acetate&#44; an appetite stimulant used in cancer patients&#44; as a treatment for anorexia in dialysis patients&#46;&#160;<span class="elsevierStyleBold">Material and method&#58;</span> In 2009&#44; 16 patients in our haemodialysis unit&#44; three with diabetes mellitus&#44; were treated with megestrol &#40;160 mg&#47;day single dose&#41; for anorexia defined according to a Likert scale of appetite&#46; The schedule and dialysis dose were not changed during the study&#46;&#160;<span class="elsevierStyleBold">Results&#58;</span> In the third month of treatment there was&#44; in the overall group&#44; an increase in dry weight &#40;60&#46;8 vs 58&#46;9 kg&#44; <span class="elsevierStyleItalic">P</span>&#60;&#46;01&#41;&#44; in albumin concentration &#40;4&#46;02 vs 3&#46;8 g&#47;dl&#44; <span class="elsevierStyleItalic">P</span>&#60;&#46;05&#41;&#44; in creatinine concentration &#40;9&#46;73 vs 8&#46;26 mg&#47;dl&#44; <span class="elsevierStyleItalic">P</span>&#60;&#46;01&#41;&#44; and protein catabolic rate &#40;1&#46;24 vs&#46; 0&#46;97 g&#47;kg&#47;day&#44; <span class="elsevierStyleItalic">P</span>&#60;&#46;0001&#41;&#46;&#160;Non-significant variations in the concentration of haemoglobin&#44; erythropoietin dose&#44; and lipid concentrations were found&#46; One patient with diabetes mellitus had to increase the dose of insulin and two other patients suffered mild hyperglycaemia&#46; Megestrol acetate did not suppress the secretion of pituitary sex hormones&#44; but in 3 of 10 patients studied inhibition of ACTH secretion was found&#46; The response was not homogeneous&#58; one patient did not respond and reduced his dry weight&#44; in 5 the weight gain was minimal &#40;less than 1 kg&#41; and in the remaining ten the response was good&#44; with an increase in dry weight ranging between 1&#46;5 and 5&#46;5 kg&#46; <span class="elsevierStyleBold">Conclusions&#58;</span> Megestrol acetate can improve appetite and nutritional parameters in patients treated with periodic haemodialysis who report anorexia&#46; Megestrol acetate may induce hyperglycaemia and inhibit the secretion of ACTH in some patients&#46; These side effects should be assessed when administering this treatment&#46;</p>"
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        "resumen" => "<p class="elsevierStylePara"><span class="elsevierStyleBold">Introducci&#243;n&#58;</span> La anorexia es un trastorno frecuente en el enfermo tratado con hemodi&#225;lisis peri&#243;dica&#44; y factor contribuyente de la malnutrici&#243;n&#46; El objetivo del presente trabajo es comprobar la eficacia del acetato de megestrol&#44; un estimulador del apetito utilizado en enfermos con c&#225;ncer&#44; como tratamiento de la anorexia del enfermo sometido a di&#225;lisis&#46; <span class="elsevierStyleBold">Material y m&#233;todos&#58;</span> En el a&#241;o 2009&#44; 16 enfermos de nuestra unidad de hemodi&#225;lisis&#44;&#160;tres de ellos con diabetes mellitus&#44; fueron tratados con acetato de megestrol &#40;160 mg&#47;d&#237;a en dosis &#250;nica&#41;&#44; por anorexia definida seg&#250;n una escala Likert de apetito&#46; La pauta y la dosis de di&#225;lisis no fueron modificadas durante el estudio&#46; <span class="elsevierStyleBold">Resultados&#58;</span> Al tercer mes de tratamiento se objetiv&#243;&#44; en el grupo total&#44;&#160; un aumento del peso seco &#40;60&#44;8 frente a&#160;58&#44;9 kg&#59; p &#60;0&#44;01&#41;&#44; de la concentraci&#243;n de alb&#250;mina&#160; &#40;4&#44;02 frente a&#160;3&#44;8 g&#47;dl&#59; p &#60;0&#44;05&#41;&#44; de la concentraci&#243;n de creatinina &#40;9&#44;73 frente a&#160;8&#44;26 mg&#47;dl&#59; p &#60;0&#44;01&#41; y de la tasa de catabolismo proteico &#40;1&#44;24 frente a&#160;0&#44;97 g&#47;kg&#47;d&#237;a&#59; p &#60;0&#44;001&#41;&#46; No hemos constatado variaciones significativas en la concentraci&#243;n de hemoglobina&#44; dosis de eritropoyetina y concentraci&#243;n de l&#237;pidos&#46; En un enfermo con diabetes mellitus hubo que aumentar la dosis de insulina y en otros 2 enfermos se detect&#243; una hiperglucemia leve&#46; El acetato de megestrol no suprimi&#243; la secreci&#243;n de hormonas sexuales hipofisarias&#44; pero en 3 de 10 enfermos estudiados se constat&#243; una inhibici&#243;n de la secreci&#243;n de corticotropina&#46;&#160;La respuesta no fue homog&#233;nea&#58; un enfermo no respondi&#243; y disminuy&#243; su peso seco&#44; en cinco el incremento de peso fue discreto &#40;inferior a 1 kg&#41; y en los 10 restantes la respuesta fue buena&#44; con un incremento de peso seco que oscil&#243; entre 1&#44;5 y 5&#44;5 kg&#46; <span class="elsevierStyleBold">Conclusiones&#58;</span> El acetato de megestrol puede mejorar el apetito y los par&#225;metros nutricionales en enfermos tratados con hemodi&#225;lisis peri&#243;dica que refieran anorexia&#46; El acetato de megestrol puede inducir hiperglucemia e inhibir la secreci&#243;n de corticotropina en algunos pacientes&#46; Estos efectos secundarios deben ser valorados cuando se administre este tratamiento&#46;</p>"
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