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Autoantibody profiles are associated with specific clinical features in psychotic disorders. Eur Psychiatry 2021. [PMCID: PMC9480266 DOI: 10.1192/j.eurpsy.2021.2026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Introduction
Immune system abnormalities exist across a range of psychiatric disorders. Autoimmunity, characterized by the production of antibodies against the body’s own antigens, is a feature of immune system dysfunction and could play a role in mental disorder pathophysiology. Better understanding of the associations of auto-immunoglobulin G (IgG) repertoires with clinical features of mental illness could yield novel models of psychosis pathophysiology and markers for biological patient stratification. Objectives To undertake global screening for auto-IgG expression in a large cohort of people with psychotic disorders; to determine whether associations exist between autoantibody expression and clinical features. Methods Cross-sectional quantification of auto-IgGs in blood plasma of 461 people with established psychotic disorder diagnoses. For global screening, pooled samples of phenotypically representative patient groups were exposed to planar protein microarrays containing 42,000 human antigens. For targeted profiling, expression levels of 380 autoantibodies were quantified by suspension bead array (SBA) in each patient’s plasma. Results We identified highly individual autoantibody profiles with no evidence for co-expression patterns. We found 6 autoantibodies robustly associated with specific psychopathology: anti-AP3B2, detected in 5% of the cohort of whom 100% had persecutory delusions; anti-TDO2 (5% of the cohort, 100% hallucinations); anti-CRYGN (4%, 86% initial insomnia); anti-APMAP (3%, 86% poor appetite); anti-OLFM1 (2.5%, 100% above median cognitive function); and anti-WHAMMP3 (2%, 90% anhedonia and dysphoria). Examination of the auto-IgG binding site on the TDO2 protein revealed a putative pathophysiological mechanism involving the kynurenine pathway. Conclusions We identified 6 frequently occurring autoantibodies that were associated with specific clinical features in people with psychotic disorders. Disclosure No significant relationships.
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Meta-analysis examining the epidemiology of clozapine-associated neutropenia. Acta Psychiatr Scand 2018; 138:101-109. [PMID: 29786829 DOI: 10.1111/acps.12898] [Citation(s) in RCA: 111] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/20/2018] [Indexed: 12/19/2022]
Abstract
BACKGROUND Clozapine is associated with life-threatening neutropenia. There are no previous meta-analyses of the epidemiology of clozapine-associated neutropenia. OBJECTIVES To determine the cumulative incidence of mild, moderate and severe neutropenia, incidence of death related to severe neutropenia, case fatality rate of neutropenia and the longitudinal incidence of neutropenia following exposure to clozapine. DATA SOURCES A systematic search of Medline, EMBASE and PsycINFO using search terms [clozapine OR clopine OR zaponex OR clozaril] AND [neutropenia OR agranulocytosis]. METHODS Random effects meta-analysis to determine event rates and longitudinal incidence of events per 100 person-years of exposure. RESULTS A total of 108 studies were included. The incidence of clozapine-associated neutropenia was 3.8% (95% CI: 2.7-5.2%) and severe neutropenia 0.9% (95% CI: 0.7-1.1%). The incidence of death related to neutropenia following prescription of clozapine was 0.013% (95% CI: 0.01-0.017%). The case fatality rate of severe neutropenia was 2.1% (95% CI: 1.6-2.8%). The peak incidence of severe neutropenia occurred at one month of exposure and declined to negligible levels after one year of treatment. CONCLUSION Severe neutropenia associated with clozapine is a rare event and occurs early with a substantial decline in risk after one year of exposure. Death from clozapine-associated neutropenia is extremely rare. Implications for haematological monitoring are discussed.
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Brain antibodies in the cortex and blood of people with schizophrenia and controls. Transl Psychiatry 2017; 7:e1192. [PMID: 28786974 PMCID: PMC5611715 DOI: 10.1038/tp.2017.134] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 05/09/2017] [Accepted: 05/09/2017] [Indexed: 12/17/2022] Open
Abstract
The immune system is implicated in the pathogenesis of schizophrenia, with elevated proinflammatory cytokine mRNAs found in the brains of ~40% of individuals with the disorder. However, it is not clear if antibodies (specifically immunoglobulin-γ (IgG)) can be found in the brain of people with schizophrenia and if their abundance relates to brain inflammatory cytokine mRNA levels. Therefore, we investigated the localization and abundance of IgG in the frontal cortex of people with schizophrenia and controls, and the impact of proinflammatory cytokine status on IgG abundance in these groups. Brain IgGs were detected surrounding blood vessels in the human and non-human primate frontal cortex by immunohistochemistry. IgG levels did not differ significantly between schizophrenia cases and controls, or between schizophrenia cases in 'high' and 'low' proinflammatory cytokine subgroups. Consistent with the existence of IgG in the parenchyma of human brain, mRNA and protein of the IgG transporter (FcGRT) were present in the brain, and did not differ according to diagnosis or inflammatory status. Finally, brain-reactive antibody presence and abundance was investigated in the blood of living people. The plasma of living schizophrenia patients and healthy controls contained antibodies that displayed positive binding to Rhesus macaque cerebellar tissue, and the abundance of these antibodies was significantly lower in patients than controls. These findings suggest that antibodies in the brain and brain-reactive antibodies in the blood are present under normal circumstances.
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Correlates of physical activity in people living with psychotic illness. Acta Psychiatr Scand 2016; 134:129-37. [PMID: 27218211 DOI: 10.1111/acps.12594] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/28/2016] [Indexed: 12/29/2022]
Abstract
OBJECTIVE In the light of the high prevalence of physical comorbidities in people with psychotic illness, there is a need to explore modifiable risk factors that may contribute to this disease burden. The benefits of physical activity to both physical and mental health have been well established. We aimed to examine the prevalence and correlates of physical activity in a national sample of adults living with psychotic illness. METHODS Physical activity was assessed in 1801 people using the International Physical Activity Questionnaire. Participants were dichotomised into low and moderate-high physical activity groups and associations between physical activity and a range of sociodemographic, clinical and physical comorbidity variables were examined using logistic regression. RESULTS More than half the participants were categorised in the moderate-high physical activity group with nearly half of the sample engaged in physical activity every day. There were significant associations between low physical activity and older age, unemployment, educational non-participation, antipsychotic medication use, social dysfunction, self-reported loneliness and obesity. However, there was no significant association between physical activity and sex, psychosis type, illness duration, physical comorbidity or negative symptoms. CONCLUSION The findings from this study may inform future interventions designed to increase physical activity in people with psychotic illness.
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Abstract
BACKGROUND Rates of the metabolic syndrome in people with psychotic illness are high. Emerging evidence suggests that cannabis use may have a positive impact on cardiometabolic risk factors in the general population, but little is known about its impact for people with psychotic illness. Our aim was to investigate whether the rate of the metabolic syndrome in people with psychotic illness was associated with frequency of cannabis use. METHOD The 2010 Australian psychosis survey used a two-phase design to randomly select a nationally representative sample of 1825 adults with psychotic illness for interview and physical assessment. This study is based on 1813 participants who provided data on cannabis use. Multiple logistic regression was used to model the influence of frequency of cannabis use on the metabolic syndrome, adjusting for potential covariates including antipsychotic medication use, smoking, alcohol use and cognitive function. RESULTS One-third (33.0%) of participants had used cannabis in the past year. The proportion of non-users, occasional users and frequent users with the metabolic syndrome was 63.0, 51.7 and 43.5%, respectively (p < 0.001). In unadjusted analyses, both occasional use and frequent cannabis use were associated with significantly lower odds of the metabolic syndrome. In the adjusted analyses, the association between the metabolic syndrome and frequent cannabis use remained significant [odds ratio = 0.56, 95% confidence interval (CI) 0.39-0.80], but not the association with occasional use (odds ratio = 0.75, 95% CI 0.49-1.13). CONCLUSIONS While cannabis use may be detrimental for mental health, these data suggest that it may also have a cardiometabolic protective effect. Further investigation is required to understand the mechanism underlying this paradoxical finding.
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Adjunctive raloxifene treatment improves attention and memory in men and women with schizophrenia. Mol Psychiatry 2015; 20:685-94. [PMID: 25980345 PMCID: PMC4444978 DOI: 10.1038/mp.2015.11] [Citation(s) in RCA: 99] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2014] [Revised: 12/03/2014] [Accepted: 12/19/2014] [Indexed: 11/09/2022]
Abstract
There is increasing clinical and molecular evidence for the role of hormones and specifically estrogen and its receptor in schizophrenia. A selective estrogen receptor modulator, raloxifene, stimulates estrogen-like activity in brain and can improve cognition in older adults. The present study tested the extent to which adjunctive raloxifene treatment improved cognition and reduced symptoms in young to middle-age men and women with schizophrenia. Ninety-eight patients with a diagnosis of schizophrenia or schizoaffective disorder were recruited into a dual-site, thirteen-week, randomized, double-blind, placebo-controlled, crossover trial of adjunctive raloxifene treatment in addition to their usual antipsychotic medications. Symptom severity and cognition in the domains of working memory, attention/processing speed, language and verbal memory were assessed at baseline, 6 and 13 weeks. Analyses of the initial 6-week phase of the study using a parallel groups design (with 39 patients receiving placebo and 40 receiving raloxifene) revealed that participants receiving adjunctive raloxifene treatment showed significant improvement relative to placebo in memory and attention/processing speed. There was no reduction in symptom severity with treatment compared with placebo. There were significant carryover effects, suggesting some cognitive benefits are sustained even after raloxifene withdrawal. Analysis of the 13-week crossover data revealed significant improvement with raloxifene only in attention/processing speed. This is the first study to show that daily, oral adjunctive raloxifene treatment at 120 mg per day has beneficial effects on attention/processing speed and memory for both men and women with schizophrenia. Thus, raloxifene may be useful as an adjunctive treatment for cognitive deficits associated with schizophrenia.
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Psychosis prevalence and physical, metabolic and cognitive co-morbidity: data from the second Australian national survey of psychosis. Psychol Med 2014; 44:2163-76. [PMID: 24365456 PMCID: PMC4045165 DOI: 10.1017/s0033291713002973] [Citation(s) in RCA: 139] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2013] [Revised: 11/05/2013] [Accepted: 11/09/2013] [Indexed: 12/15/2022]
Abstract
BACKGROUND There are insufficient data from nationwide surveys on the prevalence of specific psychotic disorders and associated co-morbidities. METHOD The 2010 Australian national psychosis survey used a two-phase design to draw a representative sample of adults aged 18-64 years with psychotic disorders in contact with public treatment services from an estimated resident population of 1 464 923 adults. This paper is based on data from 1642 participants with an International Classification of Diseases (ICD)-10 psychotic disorder. Its aim is to present estimates of treated prevalence and lifetime morbid risk of psychosis, and to describe the cognitive, physical health and substance use profiles of participants. RESULTS The 1-month treated prevalence of psychotic disorders was 3.10 cases per 1000 population aged 18-64 years, not accounting for people solely accessing primary care services; lifetime morbid risk was 3.45 per 1000. Mean premorbid intelligence quotient was approximately 0.5 s.d.s below the population mean; current cognitive ability (measured with a digit symbol coding task) was 1.6 s.d.s below the population mean. For both cognitive tests, higher scores were significantly associated with better independent functioning. The prevalence of the metabolic syndrome was high, affecting 60.8% of participants, and pervasive across diagnostic groups. Of the participants, two-thirds (65.9%) were current smokers, 47.4% were obese and 32.4% were sedentary. Of the participants, half (49.8%) had a lifetime history of alcohol abuse/dependence and 50.8% lifetime cannabis abuse/dependence. CONCLUSIONS Our findings highlight the need for comprehensive, integrative models of recovery to maximize the potential for good health and quality of life for people with psychotic illness.
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A randomized trial comparing repetitive transcranial magnetic stimulation given 3 days/week and 5 days/week for the treatment of major depression: is efficacy related to the duration of treatment or the number of treatments? Psychol Med 2012; 42:981-988. [PMID: 21910937 DOI: 10.1017/s0033291711001760] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND Repetitive transcranial magnetic stimulation (rTMS) has been shown to be an effective treatment for depression. However, there has been little research to determine optimal parameters for treatment. METHOD This study compared two rTMS treatment regimes for the treatment of major depression. Seventy-seven participants were randomized to either spaced or daily treatment. Spaced rTMS was given 3 days/week for 6 weeks (18 treatments in total) and daily rTMS was given 5 days/week for 4 weeks (20 treatments in total). All participants were assessed at baseline and after 4 weeks of treatment. Participants in the spaced treatment group were also assessed after 6 weeks of treatment. All participants were treated at 110% of the resting motor threshold with high-frequency rTMS (10 Hz) to the left dorsolateral prefrontal cortex (DLPFC) followed by low-frequency rTMS to the right DLPFC. RESULTS Participants in the daily treatment group showed more improvement by week 4 than those in the spaced treatment group; however, both groups had similar improvement by treatment completion. There was significant improvement in both groups in ratings of depression and anxiety, with no significant differences between groups. CONCLUSIONS Our study indicates that the efficacy of rTMS is related to the number of treatments given and that spacing the treatments neither improves nor reduces efficacy.
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Ghrelin and measures of satiety are altered in polycystic ovary syndrome but not differentially affected by diet composition. J Clin Endocrinol Metab 2004; 89:3337-44. [PMID: 15240612 DOI: 10.1210/jc.2003-031583] [Citation(s) in RCA: 100] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Polycystic ovary syndrome (PCOS) is a common endocrine condition in women of reproductive age associated with obesity. It may involve dysregulation of ghrelin, a hormone implicated in appetite regulation. The effect of diet composition on ghrelin is unclear. Overweight women with and without PCOS were randomized to a high-protein (40% carbohydrate, 30% protein; 10 PCOS, six non-PCOS) or standard protein diet (55% carbohydrate, 15% protein; 10 PCOS, six non-PCOS) for 12 wk of energy restriction and 4 wk of weight maintenance. Diet composition had no effect on fasting or postprandial ghrelin or measures of satiety. Non-PCOS subjects had a 70% higher fasting baseline ghrelin (P = 0.011), greater increase in fasting ghrelin (57.5 vs. 34.0%, P = 0.033), and greater maximal decrease in postprandial ghrelin after weight loss (-144.1 +/- 58.4 vs. -28.9 +/- 14.2 pg/ml, P = 0.02) than subjects with PCOS. Subjects with PCOS were less satiated (P = 0.001) and more hungry (P = 0.007) after a test meal at wk 0 and 16 than subjects without PCOS. Appetite regulation, as measured by subjective short-term hunger and satiety and ghrelin homeostasis, may be impaired in PCOS.
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Dietary composition in restoring reproductive and metabolic physiology in overweight women with polycystic ovary syndrome. J Clin Endocrinol Metab 2003; 88:812-9. [PMID: 12574218 DOI: 10.1210/jc.2002-020815] [Citation(s) in RCA: 298] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Overweight women with polycystic ovary syndrome (PCOS) were randomized to a high protein (HP; 40% carbohydrate and 30% protein; n = 14) or a low protein (LP; 55% carbohydrate and 15% protein) diet (n = 14). The intervention consisted of 12 wk of energy restriction (approximately 6000 kJ/d), followed by 4 wk of weight maintenance. Pregnancies (two HP and one LP); improvements in menstrual cyclicity, lipid profile, and insulin resistance (as measured by the homeostasis model); and decreases in weight (7.5%) and abdominal fat (12.5%) occurred independently of diet composition. Improvements in menstrual cyclicity were associated with greater decreases in insulin resistance and fasting insulin (P = 0.011). On the LP diet, high density lipoprotein cholesterol decreased 10% during energy restriction (P = 0.008), and the free androgen index increased 44% in weight maintenance stages (P = 0.027). Weight loss leads to improvements in cardiovascular and reproductive parameters potentially mediated by improvements in surrogate measures of insulin resistance. An HP weight loss diet may result in minor differential endocrine and metabolic improvements.
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Abstract
This study examined ERP topography during the updating and the utilization of working memory in subjects with PTSD. Event-related potentials of 18 participants with PTSD and 18 controls were recorded from 32 scalp electrodes during an auditory target detection task requiring the constant updating of target identity. Midline N2 and P3 abnormalities previously noted in PTSD during target detection were replicated. Scalp topographic data revealed sustained reduction in activity over the right hemisphere during working memory updating. Executive processes were associated with brief but widespread right hemisphere reductions during the P3, followed by sustained, bilateral reduction frontally. This study identifies an abnormal pattern of cortical network function during both the updating and use of working memory in PTSD.
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Epidemiology of prostate cancer in two European countries: Scotland and Norway. Eur J Cancer Care (Engl) 1998; 7:240-6. [PMID: 9919111 DOI: 10.1046/j.1365-2354.1998.00104.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The incidence of prostate cancer varies enormously throughout the world. Scotland and Norway are two European countries with similar populations, yet the incidence of prostate cancer in Norway is much greater than in Scotland. The aetiology and epidemiology of prostate cancer in both countries is discussed. Reference is made to age, socio-economic status, diet, hormones, genetic factors and vasectomy.
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Computer-aided cognitive rehabilitation: possible application to the attentional deficit of schizophrenia, a report of negative results. Percept Mot Skills 1997; 85:995-1002. [PMID: 9399309 DOI: 10.2466/pms.1997.85.3.995] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The cognitive deficits associated with schizophrenia commonly include impairment in attention, which may contribute to difficulties with learning, memory, and executive function. This study evaluated the effectiveness of computer-aided training of attentional skills in schizophrenia. Two groups of schizophrenic subjects (9 men and 1 woman) were matched for age, estimated premorbid IQ, and positive and negative symptom scores. Both groups were assessed using a battery of attentional tests. Subjects then received either six 1-hr. computer-aided cognitive rehabilitation sessions (experimental condition) or six sessions of graphics-based computer games (control condition). Both groups were reassessed with attentional measures. There was significant improvement on only one test, a letter-cancellation task. This improvement was evident in both groups suggesting that this was a practise effect. Apart from the letter-cancellation test, subjects undertaking the computer-aided rehabilitation treatment did not show significant improvement on any attentional tasks.
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Abstract
The main role of the crisis unit at a state psychiatric hospital was found to be the provision of brief hospitalisation for patients with adjustment disorders and personality disorders. The four bed crisis unit treated 14% of all patients admitted to the hospital, with an average length of stay less than three days. A study of 78 crisis unit patients found that 77% were able to be discharged directly to the community, and only 18% were readmitted during the following six months.
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Clinical rating scales for substance abuse. Psychiatr Serv 1997; 48:105-6. [PMID: 9117490 DOI: 10.1176/ps.48.1.105b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Abstract
Four cases of patients who described an unpleasant subjective experience of weakness and reduced muscle tone during treatment with clozapine are presented. An exacerbation of muscular dystrophy during clozapine treatment is also described. It is hypothesized that these adverse effects are related to the muscle relaxant properties of clozapine. The differential diagnosis of sedation, fatigue, asthenia, and reduced muscle tone is discussed.
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Abstract
We report on a group program for obese infertile women. Sixty-four women completed the 24-week program, which included exercise, information about healthy eating and group discussion sessions. Their mean initial weight was 101.9 +/- 18.14 kg. The mean weight loss on completion of the program was 5.2 +/- 5.11 kg (p < 0.0001). There was significant improvement on ratings of self-esteem and depression. Changes to life-style and health which are known to improve fertility may be a useful precursor to invasive, high technology infertility treatment procedures.
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Abstract
Thirty-seven women with a mean initial weight of 98.5 +/- 18.7 kg completed a group treatment program for obese, infertile women. The program lasted for 24 weeks and included regular exercise and group discussion of topics such as coping with the psychological impact of infertility, developing healthy eating patterns, and the effects of obesity on reproductive physiology. There was significant weight loss (mean weight loss 6.2 +/- 4.5 kg, p < 0.001) and improvement on measures of self-esteem, anxiety, depression, and general health. Twenty-nine women became pregnant during the follow-up period (21-36 months). Two women were avoiding pregnancy, so only six who had completed the group program and wished to become pregnant had not conceived by the end of the follow-up period. A further five women did not complete the program as they became pregnant while attending the group. Our results suggest that active measures to improve mood and self-esteem, along with better nutrition and weight reduction through diet and exercise, can produce considerable improvement in the outcome of treatment for infertility in obese women.
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Abstract
OBJECTIVE To evaluate the usefulness of dexfenfluramine as an adjunct to a group treatment program for obese infertile women. METHOD Twenty-one obese infertile women were referred by the Reproductive Medicine Unit. They attended a 24-week group program which included exercise and educational sessions. Dexfenfluramine and placebo were given, each for 12 weeks, in a double-blind crossover design. RESULTS Dexfenfluramine treatment was not associated with greater loss of weight. The mean weight loss during dexfenfluramine treatment was 3.21 kg (SD 3.09) and during placebo was 3.31 kg (SD 3.15). Self-esteem, anxiety, and depression ratings all improved significantly over the 24 weeks. DISCUSSION The group treatment program appeared to be equally effective with or without dexfenfluramine. Previous studies have found dexfenfluramine to be effective in combination with individual treatment, but it has not previously been evaluated as an adjunct to group treatment. It is unclear whether dexfenfluramine may be less effective in combination with group treatment programs, or whether its usefulness is restricted in this particular population of obese patients. No differences were found associated with the order in which active and placebo treatments were given. Patients showed improvement in self-esteem and reduction in depression and anxiety, but dexfenfluramine treatment was not associated with any difference in these measures, compared to placebo.
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Eosinophilia associated with decreasing neutrophil count in a clozapine-treated patient. J Clin Psychiatry 1996; 57:40-1. [PMID: 8543549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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Weight loss results in significant improvement in pregnancy and ovulation rates in anovulatory obese women. Hum Reprod 1995; 10:2705-12. [PMID: 8567797 DOI: 10.1093/oxfordjournals.humrep.a135772] [Citation(s) in RCA: 289] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Obesity can affect ovulation and the chances of pregnancy. In this prospective study, a weight loss programme was assessed to determine whether it could help infertile overweight anovulatory women to establish ovulation and assist in achieving pregnancy, ideally without further medical intervention. The subjects acted as their own historical controls. They underwent a weekly programme of behavioural change in relation to exercise and diet over 6 months; those who did not complete the 6 months were treated as the comparison group. Women in the study group lost an average of 6.3 kg, with 12 of the 13 subjects resuming ovulation and 11 becoming pregnant, five of these spontaneously. Fitness, diet and psychometric measurements all improved. Fasting insulin and testosterone concentrations dropped significantly, while sex hormone binding globulin concentrations rose. None of these changes occurred in the comparison group. Thus, weight loss with a resultant improvement in ovulation, pregnancy outcome, self-esteem and endocrine parameters is the first therapeutic option for women who are infertile and overweight.
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Anorexia nervosa in a male: comment and illustration. THE NEW ZEALAND MEDICAL JOURNAL 1979; 89:171-3. [PMID: 287934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Attention is drawn to the possible diagnosis of anorexia nervosa in young males with weight loss. The symptoms and signs are described, along with the setting in which the condition may develop. These points are illustrated by reference to a recently treated case. The poor prognosis of anorexia nervosa in males is emphasised.
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