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1.
Arch Womens Ment Health ; 24(6): 941-947, 2021 12.
Artículo en Inglés | MEDLINE | ID: mdl-33884486

RESUMEN

Some women are vulnerable to developing new onset obsessive-compulsive disorder (OCD) or having an exacerbation of pre-existing OCD during reproductive cycle events. Reports on the impact of the peripartum period on pre-existing OCD are inconsistent, with both worsening and improving symptom severity described. Studies have primarily been retrospective or have collected few data points, which limits the investigators' ability to capture the range of OCD symptoms during this time period, systematically and prospectively. The objective of this investigation was to add to the existing literature on the impact of the peripartum period on the course of pre-existing OCD. We conducted a secondary analysis of a subset data from the Brown Longitudinal Obsessive Compulsive Study, a prospective, observational study of OCD course. Nineteen women who experienced a pregnancy during the course of the study (9.5% of overall sample of women) were followed on average for 486 ± 133 weeks. Weekly psychiatric status ratings (PSRs) of OCD severity were compared between peripartum and non-peripartum periods. We found that the peripartum period did not significantly impact the course of OCD severity in the majority of women (N = 13, 69%). Of the minority of women with measurable variability in OCD symptoms, no statistically significant difference in PSR scores was observed between peripartum and non-peripartum periods. In this novel yet small dataset, the severity of OCD does not appear to worsen for most women during the peripartum period.


Asunto(s)
Trastorno Obsesivo Compulsivo , Periodo Periparto , Femenino , Humanos , Trastorno Obsesivo Compulsivo/diagnóstico , Embarazo , Estudios Prospectivos , Escalas de Valoración Psiquiátrica , Estudios Retrospectivos , Índice de Severidad de la Enfermedad
2.
Arch Insect Biochem Physiol ; 102(4): e21605, 2019 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-31328825

RESUMEN

The pathways of insect melatonin (MEL) biosynthesis apparently follow the same routes as those identified in vertebrates but information on MEL synthesis variations related with serotonin (5-HT), 5-hydroxy-indole acetic acid (5HIAA), and N-acetylserotonin (NAS) levels, as well as 5-HT N-acetyltransferase (NAT) activity throughout the day, is very limited in the insect nervous system. In the present study, the levels of MEL, metabolites (5-HT, NAS, and 5-HIAA) and enzyme NAT were determined in the optic lobes and the midbrain of the grasshopper Oedipoda caerulescens, in conditions of light and darkness. In both tissues, a different pattern of MEL synthesis was observed over the light/dark cycle. Variations in the levels of 5-HT, NAS and NAT activity related to the synthesis of cerebral MEL follow a pattern very similar to that observed in the pineal of mammals, with a peak of synthesis in the first half of the scotophase. Also, we observed differences in the metabolism of 5-HT between the optic lobes and the midbrain light/dark-dependent.


Asunto(s)
Encéfalo/metabolismo , Saltamontes/metabolismo , Melatonina/biosíntesis , Animales , N-Acetiltransferasa de Arilalquilamina/metabolismo , Oscuridad , Saltamontes/efectos de la radiación , Ácido Hidroxiindolacético/metabolismo , Luz , Masculino , Melatonina/efectos de la radiación , Serotonina/análogos & derivados , Serotonina/metabolismo
3.
Clin Infect Dis ; 65(6): 1012-1019, 2017 Sep 15.
Artículo en Inglés | MEDLINE | ID: mdl-28903510

RESUMEN

BACKGROUND: Antiretroviral drugs with a lower potential to induce hepatic steatosis in human immunodeficiency virus (HIV) infection need to be identified. We compared the effect of switching efavirenz (EFV) to raltegravir (RAL) on hepatic steatosis among HIV-infected patients with nonalcoholic fatty liver disease (NAFLD) receiving EFV plus 2 nucleoside analogues. METHODS: HIV-infected patients on EFV plus tenofovir/emtricitabine or abacavir/lamivudine with NAFLD were randomized 1:1 to switch from EFV to RAL (400 mg twice daily), maintaining nucleoside analogues unchanged, or to continue with EFV plus 2 nucleoside analogues. At baseline, eligible patients should show controlled attenuation parameter (CAP) values ≥238 dB/m. Changes in hepatic steatosis at 48 weeks of follow-up over baseline levels were measured by CAP. RESULTS: Overall, 39 patients were included, and 19 of them were randomized to switch to RAL. At week 48, median CAP for the RAL group was 250 (Q1-Q3, 221-277) dB/m and 286 (Q1-Q3, 269-314) dB/m for the EFV group (P = .035). The median decrease in CAP values was -20 (Q1-Q3, -67 to 15) dB/m for the RAL arm and 30 (Q1-Q3, -17 to 49) dB/m for the EFV group (P = .011). CAP values <238 dB/m at week 48 were observed in 9 (47%) patients on RAL and 3 (15%) individuals on EFV (P = .029). CONCLUSIONS: After 48 weeks, HIV-infected individuals switching EFV to RAL showed decreases in the degree of hepatic steatosis, as measured by CAP, compared with those continuing with EFV. In addition, the proportion of patients without significant hepatic steatosis after 48 weeks was greater for those who switched to RAL. CLINICAL TRIALS REGISTRATION: NCT01900015.


Asunto(s)
Fármacos Anti-VIH/efectos adversos , Benzoxazinas/efectos adversos , Infecciones por VIH/tratamiento farmacológico , Enfermedad del Hígado Graso no Alcohólico/inducido químicamente , Enfermedad del Hígado Graso no Alcohólico/diagnóstico por imagen , Raltegravir Potásico/efectos adversos , Alquinos , Fármacos Anti-VIH/uso terapéutico , Benzoxazinas/uso terapéutico , Índice de Masa Corporal , Peso Corporal/efectos de los fármacos , Ciclopropanos , Didesoxinucleósidos/uso terapéutico , Sustitución de Medicamentos , Quimioterapia Combinada , Diagnóstico por Imagen de Elasticidad , Emtricitabina/uso terapéutico , Femenino , Humanos , Lamivudine/uso terapéutico , Masculino , Persona de Mediana Edad , Raltegravir Potásico/uso terapéutico , Tenofovir/uso terapéutico , Triglicéridos/sangre , Relación Cintura-Cadera
4.
Cogn Behav Ther ; 46(6): 447-458, 2017 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-28565937

RESUMEN

Although effective treatments for obsessive-compulsive disorder (OCD) exist, there are significant barriers to receiving evidence-based care. Mobile health applications (Apps) offer a promising way of overcoming these barriers by increasing access to treatment. The current study investigated the feasibility, acceptability, and preliminary efficacy of LiveOCDFree, an App designed to help OCD patients conduct exposure and response prevention (ERP). Twenty-one participants with mild to moderate symptoms of OCD were enrolled in a 12-week open trial of App-guided self-help ERP. Self-report assessments of OCD, depression, anxiety, and quality of life were completed at baseline, mid-treatment, and post-treatment. App-guided ERP was a feasible and acceptable self-help intervention for individuals with OCD, with high rates of retention and satisfaction. Participants reported significant improvement in OCD and anxiety symptoms pre- to post-treatment. Findings suggest that LiveOCDFree is a feasible and acceptable self-help intervention for OCD. Preliminary efficacy results are encouraging and point to the potential utility of mobile Apps in expanding the reach of existing empirically supported treatments.


Asunto(s)
Terapia Implosiva/métodos , Trastorno Obsesivo Compulsivo/terapia , Satisfacción del Paciente , Calidad de Vida/psicología , Telemedicina , Adulto , Ansiedad/psicología , Depresión/psicología , Femenino , Humanos , Masculino , Persona de Mediana Edad , Aplicaciones Móviles , Trastorno Obsesivo Compulsivo/psicología , Proyectos Piloto , Autoinforme , Resultado del Tratamiento , Adulto Joven
5.
Hepatology ; 61(5): 1503-11, 2015 May.
Artículo en Inglés | MEDLINE | ID: mdl-25545020

RESUMEN

UNLABELLED: Liver fibrosis is used to make decisions about the timing of therapy against hepatitis C virus (HCV) in routine clinical practice, which should be based on the short-term likelihood of liver decompensations. Thus, we aimed at evaluating the risk of decompensations and death among human immunodeficiency virus (HIV)/HCV-coinfected individuals according to their baseline fibrosis classified by either liver biopsy or liver stiffness measurement (LSM). Patients coinfected with HIV/HCV, naive or without sustained virological response to HCV therapy, were included in this cohort. Fibrosis was classified by biopsy in 683 patients and by LSM in 1046 individuals. Reference categories were fibrosis stage 0 and LSM <6 kPa. For patients with biopsy, the adjusted subhazard ratio for decompensations and 95% confidence interval (95% CI) by fibrosis stage were as follows: stage 1, 2.3 (0.27-20.3), P = 0.443; stage 2, 2.8 (0.33-24), P = 0.345; stage 3, 4.91 (0.60-41), P = 0.137; stage 4, 9.89 (1.25-79.5), P = 0.030. For patients with LSM, the adjusted subhazard ratio and 95% CI by LSM category were as follows: 6-9.4 kPa, 1.89 (0.18-20.3), P = 0.599; 9.5-14.5 kPa, 6.59 (0.73-59.2), P = 0.092; ≥14.6 kPa, 59.5 (8.3-427), P < 0.0001. Regarding the risk of death, the adjusted hazard ratio and 95% CI for death by fibrosis stage were as follows: stage 1, 1.3 (0.4-4.11), P = 0.677; stage 2, 2.68 (0.86-8.36), P = 0.090; stage 3, 2.58 (0.82-8.15), P = 0.106; stage 4, 4.35 (1.43-13.3), P = 0.010. For patients with LSM, the adjusted hazard ratio and 95% CI for death by LSM were as follows: 6-9.4 kPa, 1.7 (0.63-4.79), P = 0.288; 9.5-14.5 kPa, 3.38 (1.2-9.5), P = 0.021; ≥14.6 kPa, 12.7 (4.9-33.6), P < 0.0001. CONCLUSION: Patients coinfected with HIV/HCV without advanced fibrosis are at very low risk of decompensations in the short term; deferral of HCV therapy for a few years and monitoring fibrosis progression is a safe option until cheaper, more effective, and more convenient HCV treatment becomes widely available.


Asunto(s)
Coinfección/complicaciones , Infecciones por VIH/complicaciones , Infecciones por VIH/fisiopatología , Hepatitis C Crónica/complicaciones , Hepatitis C Crónica/fisiopatología , Cirrosis Hepática/complicaciones , Cirrosis Hepática/fisiopatología , Fallo Hepático/etiología , Adulto , Femenino , Humanos , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Riesgo , Índice de Severidad de la Enfermedad , Factores de Tiempo
7.
Ann Clin Psychiatry ; 27(3): 185-91, 2015 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-26247217

RESUMEN

BACKGROUND: The course of body-focused repetitive behaviors (BFRBs) (eg, trichotillomania, skin picking, and nail biting) has received scant research attention. We sought to understand the longitudinal course of BFRBs over an 8-year period and whether the co-occurrence of a BFRB with obsessive-compulsive disorder (OCD) affects the course of OCD. METHODS: Three hundred ninety-five participants with OCD completed annual interviews using the Longitudinal Interval Follow-up Evaluation to estimate BFRB and OCD symptom severity during each week of follow-up. RESULTS: Of the 395 participants, 83 (21%) had a co-occurring BFRB. In almost one-half of the participants, BFRB onset occurred before OCD. Participants with OCD and BFRB spent the majority of the rating period experiencing full BFRB symptoms. Having a BFRB was associated with spending less time in remission from OCD. CONCLUSIONS: Although BFRBs have long been known to be common in individuals with OCD, these data demonstrate that most individuals who have a co-occurring BFRB with OCD do not experience BFRB remission and that having a BFRB predicts a worse course for OCD.


Asunto(s)
Trastorno Obsesivo Compulsivo , Conducta Autodestructiva , Adulto , Edad de Inicio , Ansiedad/epidemiología , Ansiedad/etiología , Femenino , Humanos , Estudios Longitudinales , Masculino , Persona de Mediana Edad , Trastorno Obsesivo Compulsivo/complicaciones , Trastorno Obsesivo Compulsivo/diagnóstico , Trastorno Obsesivo Compulsivo/epidemiología , Trastorno Obsesivo Compulsivo/psicología , Trastorno Obsesivo Compulsivo/terapia , Prevalencia , Pronóstico , Escalas de Valoración Psiquiátrica , Inducción de Remisión , Conducta Autodestructiva/diagnóstico , Conducta Autodestructiva/epidemiología , Conducta Autodestructiva/etiología , Conducta Autodestructiva/psicología , Factores Socioeconómicos , Estados Unidos/epidemiología
8.
J Clin Microbiol ; 52(11): 4027-9, 2014 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-25143567

RESUMEN

The accuracy of LiPA 2.0 for hepatitis C virus 1 (HCV-1) subtype classification was analyzed. LiPA 2.0 genotype results from 101 HCV-1-infected patients were compared to genotype findings determined by direct core sequencing. Eleven (11%) samples were misclassified. Given the influence of the HCV-1-subtype in the anti-HCV therapy response, an alternative classification method is warranted.


Asunto(s)
Antivirales/uso terapéutico , Hepacivirus/clasificación , Hepacivirus/genética , Hepatitis C Crónica/virología , Adulto , Femenino , Genotipo , Hepacivirus/aislamiento & purificación , Hepatitis C Crónica/tratamiento farmacológico , Humanos , Masculino , Persona de Mediana Edad , Datos de Secuencia Molecular , ARN Viral/genética , Análisis de Secuencia de ADN
9.
Artículo en Inglés | MEDLINE | ID: mdl-24515679

RESUMEN

A few patients with obsessive-compulsive disorder (OCD) remain severely impaired despite exhausting best-practice treatments. For them, neurosurgery (stereotactic ablation or deep brain stimulation) might be considered. The authors investigated the proportion of treatment-seeking OCD patients, in a naturalistic clinical sample, who met contemporary neurosurgery selection criteria. Using comprehensive baseline data on diagnosis, severity, and treatment history for adult patients from the NIMH-supported Brown Longitudinal OCD Study, only 2 of 325 patients met screening criteria for neurosurgery. This finding prompts consideration of new models for clinical trials with limited samples as well as methods of refining entry criteria for such invasive treatments.


Asunto(s)
Estimulación Encefálica Profunda/métodos , Trastorno Obsesivo Compulsivo/terapia , Selección de Paciente , Adulto , Femenino , Humanos , Estudios Longitudinales , Masculino , Estudios Multicéntricos como Asunto , Observación , Escalas de Valoración Psiquiátrica , Índice de Severidad de la Enfermedad
10.
Ann Clin Psychiatry ; 26(1): 39-46, 2014 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-24501729

RESUMEN

BACKGROUND: Over the past 30 years, clinical trials have resulted in several successful pharmacotherapies for obsessive-compulsive disorder (OCD), yet patients in clinical settings often report inadequate response. This study compares clinical characteristics of treatment-seeking OCD patients to the inclusion/exclusion criteria used in pharmacotherapy trials. METHODS: The sample consisted of 325 community members with a DSM-IV diagnosis of OCD who underwent systematic interviews with clinicians knowledgeable in the diagnosis and treatment of OCD. We compiled pharmacotherapy studies for OCD published between 1980 and 2010 using Medline, PubMed, and library resources, and estimated the proportion of patients in each decade satisfying the most common inclusion/exclusion criteria. RESULTS: We included 39 clinical trials and found 72% of the 325 patients would have been excluded from trials conducted between 1980 and 2010. Exclusion was projected as dramatically lower for trials conducted between 1980 and 1989 (19.7%) compared with 74.8% for trials conducted between 1990 and 1999 and 76.9% for trials between 2000 and 2010. CONCLUSIONS: The majority of treatment-seeking individuals with OCD would not qualify for OCD treatment studies due to comorbid psychiatric disorders, and failure to meet OCD severity threshold criteria. This illustrates the need to include a more community-representative sample of OCD patients in clinical trials examining pharmacotherapy efficacy.


Asunto(s)
Ensayos Clínicos como Asunto/normas , Trastorno Obsesivo Compulsivo/tratamiento farmacológico , Selección de Paciente , Humanos
11.
Compr Psychiatry ; 55(7): 1498-504, 2014 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-24952937

RESUMEN

OBJECTIVE: This study assesses the long-term course of treatment-seeking youth with a primary diagnosis of DSM-IV OCD. METHOD: Sixty youth and their parents completed intake interviews and annual follow-up interviews for 3 years using the youth version of the Longitudinal Interval Follow-up Evaluation (Y-LIFE) and Children's Yale-Brown Obsessive Compulsive Scale (CY-BOCS). Remission was defined as no longer meeting DSM-IV criteria for OCD for 8 weeks or more, and recurrence was defined as meeting full criteria for OCD for 4 consecutive weeks after having achieved symptom remission. Remission rates for youth were compared to rates of adults participating in the same study. RESULTS: The probability of achieving partial remission of OCD was 0.53 and the probability of achieving full remission was 0.27. Among the 24 youth participants who achieved remission, 79% stayed in remission throughout the study (mean of 88 weeks of follow-up) and 21% experienced a recurrence of symptoms. Better functioning at intake and a shorter latency to initial OCD treatment were associated with faster onset of remission (P<.001). CONCLUSIONS: Remission is more likely among youth versus adults with OCD. Treatment early in the course of illness and before substantial impact on functioning predicted a better course.


Asunto(s)
Trastorno Obsesivo Compulsivo/diagnóstico , Trastorno Obsesivo Compulsivo/psicología , Adolescente , Adulto , Edad de Inicio , Niño , Terapia Cognitivo-Conductual , Femenino , Humanos , Estudios Longitudinales , Masculino , Massachusetts , Trastorno Obsesivo Compulsivo/terapia , Determinación de la Personalidad , Pronóstico , Estudios Prospectivos , Recurrencia , Rhode Island , Adulto Joven
12.
J Affect Disord ; 353: 109-116, 2024 May 15.
Artículo en Inglés | MEDLINE | ID: mdl-38452939

RESUMEN

BACKGROUND: Obsessive-compulsive disorder (OCD) and co-occurring posttraumatic stress disorder (PTSD) is associated with more severe and chronic OCD. However, findings regarding treatment effectiveness of cognitive behavioral treatment (CBT) with exposure and response prevention (ERP) with this comorbidity are mixed. Research aimed at understanding the precise barriers to OCD treatment effectiveness for individuals with co-occurring PTSD may help elucidate unique treatment needs. METHODS: The current study used linear regression and latent growth curve analysis comparing treatment response and trajectory from patients with OCD (n = 3083, 94.2 %) and OCD + PTSD (n = 191, 5.2 %) who received CBT with ERP in two major intensive OCD treatment programs. RESULTS: Although patients with OCD + PTSD evidenced similar trajectories of overall severity change, patients at one site required nearly 11 additional treatment days to achieve comparable reduction in OCD severity. Further, at the dimensional level, those with OCD + PTSD had poorer treatment response for unacceptable thoughts and symmetry symptoms. The moderate effect for unacceptable thoughts, indicating the widest gap in treatment response, suggests these symptoms may be particularly relevant to PTSD. LIMITATIONS: Findings are limited by a naturalistic treatment sample with variation in treatment provision. CONCLUSIONS: Findings emphasize caution in using a one-size-fits-all approach for patients with co-occurring OCD + PTSD within intensive OCD treatment programs, as broadly defined outcomes (e.g., reduction in overall severity) may not translate to reduction in the nuanced symptom dimensions likely to intersect with trauma. Unacceptable thoughts and symmetry symptoms, when co-occurring with PTSD, may require a trauma-focused treatment approach within intensive OCD treatment.


Asunto(s)
Terapia Cognitivo-Conductual , Trastorno Obsesivo Compulsivo , Trastornos por Estrés Postraumático , Humanos , Trastornos por Estrés Postraumático/complicaciones , Trastornos por Estrés Postraumático/epidemiología , Trastornos por Estrés Postraumático/terapia , Trastorno Obsesivo Compulsivo/complicaciones , Trastorno Obsesivo Compulsivo/epidemiología , Trastorno Obsesivo Compulsivo/terapia , Resultado del Tratamiento , Comorbilidad , Terapia Cognitivo-Conductual/métodos
13.
Clin Infect Dis ; 57(10): 1401-8, 2013 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-23946224

RESUMEN

BACKGROUND: Most human immunodeficiency virus (HIV)/hepatitis C virus (HCV)-infected patients who are currently receiving boceprevir or telaprevir-based therapy against HCV show cirrhosis. However, the risk of liver decompensation (DC) among HIV/HCV-coinfected patients with stage 3 fibrosis in the short term could be high enough to not allow delays. We aimed at assessing the risk of DC among HIV/HCV-coinfected individuals with advanced fibrosis (F3-F4). METHODS: Eight hundred ninety-two HIV/HCV-coinfected patients, naive or without sustained virologic response to HCV therapy, were included in this cohort. Fibrosis was staged by biopsy in 317 patients and by liver stiffness measurement (LSM) in 575 individuals. Precirrhosis was defined as an LSM of 9.5-14.6 kilopascals (kPa), and cirrhosis as an LSM of ≥14.6 kPa. RESULTS: For patients with biopsy, the probability of remaining free of DC for F3 vs F4 was 99% (95% confidence interval [CI], 95%-100%) vs 96% (95% CI, 91%-98%) at 1 year, and 98% (95% CI, 94%-100%) vs 87% (95% CI, 81%-92%) at 3 years. The only factor independently associated with DC was fibrosis stage (F4 vs F3, subhazard ratio [SHR], 2.1; 95% CI, 1.07-4.1; P = .032). For patients with LSM, the probability of remaining free of DC for precirrhosis vs cirrhosis was 99% (95% CI, 96%-100%) vs 93% (95% CI, 89%-96%) at 1 year, and 97% (95% CI, 94%-99%) vs 83% (95% CI, 77%-87%) at 3 years. Factors independently associated with DC were platelet count (<100 × 10(3) vs ≥100 × 10(3): SHR, 1.86; 95% CI, 1.01-3.42; P = .046) and LSM (cirrhosis vs precirrhosis: SHR, 5.67; 95% CI, 2.27-14.1; P < .0001). CONCLUSIONS: As in patients with cirrhosis, immediate therapy against HCV is warranted for patients with precirrhosis and HIV coinfection, as they are at risk of DC soon after the diagnosis of advanced fibrosis.


Asunto(s)
Infecciones por VIH/virología , Hepatitis C/patología , Hepatitis C/virología , Cirrosis Hepática/virología , Fallo Hepático/patología , Fallo Hepático/virología , Adulto , Análisis de Varianza , Biopsia , Femenino , Humanos , Cirrosis Hepática/patología , Masculino , Persona de Mediana Edad , Estudios Retrospectivos
14.
Artículo en Inglés | MEDLINE | ID: mdl-23752124

RESUMEN

Mammalian studies have shown a link between serotonin (5-HT) and neuropeptide Y (NPY) in the acute regulation of feeding and energy homeostasis. Taking into account that the actions of 5-HT and NPY on food intake in fish are similar to those observed in mammals, the objective of this study was to characterize a possible short-term interaction between hypothalamic 5-HT and NPY, by examining whether 5-HT regulates NPY gene expression, to help clarify the mechanism underlying the observed anorexigenic action of central 5-HT in the rainbow trout. We used qRT-PCR to determine the levels of NPY mRNA in the hypothalamus-preoptic area (HPA) of rainbow trout after intraperitoneal (i.p.) injection of a single dose of dexfenfluramine (dFF, 3mgkg(-1); 24h-fasted and fed fish) or intracerebroventricular (i.c.v.) administration of 5-HT (100µgkg(-1); 24h-fasted fish). Significant suppression of food intake was observed after administration of 5-HT and dFF. No significant changes in NPY gene expression were obtained 150min after administration of 5-HT or dFF. However, administration of the 5HT1B receptor agonist anpirtoline did not have any significant effect on food intake in rainbow trout. The results suggest that in fish, unlike in mammals, neither the NPY neurons of the HPA nor the 5-HT1B receptor subtype participate in the neural circuitry involved in the inhibition of food intake induced by central serotoninergic activation.


Asunto(s)
Hipotálamo/metabolismo , Neuropéptido Y/genética , Oncorhynchus mykiss/genética , Serotonina/farmacología , Animales , Dexfenfluramina/administración & dosificación , Dexfenfluramina/farmacología , Conducta Alimentaria/efectos de los fármacos , Regulación de la Expresión Génica/efectos de los fármacos , Hipotálamo/efectos de los fármacos , Inyecciones Intraperitoneales , Neuropéptido Y/metabolismo , Piperidinas/administración & dosificación , Piperidinas/farmacología , Piridinas/administración & dosificación , Piridinas/farmacología , ARN Mensajero/genética , ARN Mensajero/metabolismo , Serotonina/administración & dosificación
15.
J Psychiatr Res ; 157: 162-167, 2023 01.
Artículo en Inglés | MEDLINE | ID: mdl-36470197

RESUMEN

Major Depressive Disorder (MDD) is often comorbid with obsessive-compulsive disorder (OCD) yet little is known about the directionality of the association between OCD and depression symptoms. We aim to investigate the effect OCD symptoms has on depression symptoms and vice versa over an extended period of time. This is one of the first longitudinal studies to evaluate the relationship between OCD and depression in a large clinical sample. Participants (n = 324) were treatment-seeking adults with a primary diagnosis of OCD. OCD and depression symptoms were assessed annually over the six-year follow-up period. Random intercepts cross-lagged panel models (RI-CLPM) were conducted to compare unidirectional and bidirectional models over time. The best-fitting and most parsimonious model included paths with OCD symptoms predicting depression symptoms, but not vice versa. OCD symptom severity in a given year predicted next year depression severity. However, depression severity did not predict next-year OCD symptom severity in this sample. Our results suggest that depression severity may be secondary to OCD symptoms and treating OCD should be prioritized over treating depression.


Asunto(s)
Trastorno Depresivo Mayor , Trastorno Obsesivo Compulsivo , Adulto , Humanos , Depresión/diagnóstico , Trastorno Depresivo Mayor/terapia , Estudios de Seguimiento , Estudios Prospectivos , Trastorno Obsesivo Compulsivo/diagnóstico , Comorbilidad
16.
J Affect Disord ; 320: 196-200, 2023 01 01.
Artículo en Inglés | MEDLINE | ID: mdl-36183822

RESUMEN

BACKGROUND: Personality traits may confer vulnerability to psychopathology. However, few studies have examined the association between personality traits and obsessive-compulsive disorder (OCD) course. The present study investigates personality traits, OCD symptom severity, and illness duration as a predictor of OCD remission. METHODS: 166 treatment-seeking adults with OCD, recruited as part of the Brown Longitudinal Obsessive-Compulsive Study, completed the NEO Five-Factor Inventory 3 (NEO-FFI) and were in episode for OCD at time of NEO-FFI completion. Participants were followed for up to 3 years. RESULTS: Results suggest individuals with OCD had a 21 % likelihood of reaching remission over the course of 3 years. Greater OCD symptom severity and longer illness duration were associated with a decreased likelihood of remission. Among the five factors of personality, only low extraversion was associated with a decreased rate of remission. Neuroticism, openness, agreeableness, and conscientiousness were not associated with remission. LIMITATIONS: As this was an observational study, treatment was not controlled precluding examination of treatment on course. Further, data collected on age of onset and symptom severity during follow up were retrospective and therefore are also subject to recall bias. CONCLUSIONS: Our findings provide preliminary support that personality traits are potential factors impacting course and symptom presentation. Future research is necessary to determine the mechanisms in which personality traits may influence the presentation and course of OCD.


Asunto(s)
Trastorno Obsesivo Compulsivo , Humanos , Adulto , Estudios Longitudinales , Estudios Retrospectivos , Trastorno Obsesivo Compulsivo/diagnóstico , Trastorno Obsesivo Compulsivo/terapia , Personalidad , Trastornos de la Personalidad/diagnóstico , Trastornos de la Personalidad/terapia , Inventario de Personalidad
17.
Behav Ther ; 54(4): 610-622, 2023 07.
Artículo en Inglés | MEDLINE | ID: mdl-37330252

RESUMEN

Most U.S. adults, even more so those with psychiatric conditions like obsessive-compulsive disorder (OCD), do not engage in the recommended amount of physical activity (PA), despite the wide array of physical and mental health benefits associated with exercise. Therefore, it is essential to identify mechanistic factors that drive long-term exercise engagement so they can be targeted. Using the science of behavior change (SOBC) framework, this study examined potential predictors of long-term exercise engagement as a first step towards identifying modifiable mechanisms, in individuals with OCD, such as PA enjoyment, positive or negative affect, and behavioral activation. Fifty-six low-active patients (mean age = 38.8 ±â€¯13.0, 64% female) with a primary diagnosis of OCD were randomized to either aerobic exercise (AE; n = 28) or health education (HE; n = 28), and completed measures of exercise engagement, PA enjoyment, behavioral activation, and positive and negative affect at baseline, postintervention, and 3-, 6-, and 12-month follow-up. Significant predictors of long-term exercise engagement up to 6-months postintervention were baseline PA (Estimate = 0.29, 95%CI [0.09, 0.49], p = .005) and higher baseline PA enjoyment (Estimate = 1.09, 95%CI [0.30, 1.89], p = .008). Change in PA enjoyment from baseline to postintervention was greater in AE vs. HE, t(44) = -2.06, p = .046, d = -0.61, but endpoint PA enjoyment did not predict follow-up exercise engagement above and beyond baseline PA enjoyment. Other hypothesized potential mechanisms (baseline affect or behavioral activation) did not significantly predict exercise engagement. Results suggest that PA enjoyment may be an important modifiable target mechanism for intervention, even prior to a formal exercise intervention. Next steps aligned with the SOBC framework are discussed, including examining intervention strategies to target PA enjoyment, particularly among individuals with OCD or other psychiatric conditions, who may benefit most from long-term exercise engagement's effects on physical and mental health.


Asunto(s)
Trastorno Obsesivo Compulsivo , Placer , Adulto , Humanos , Femenino , Persona de Mediana Edad , Masculino , Ejercicio Físico/psicología , Trastorno Obsesivo Compulsivo/terapia , Trastorno Obsesivo Compulsivo/psicología , Salud Mental
18.
J Exp Biol ; 215(Pt 17): 2969-79, 2012 Sep 01.
Artículo en Inglés | MEDLINE | ID: mdl-22875766

RESUMEN

In this study, we evaluated the serotonin-mediated control of cerebral glycogen levels in the rainbow trout, Oncorhynchus mykiss. Intracerebroventricular (i.c.v.) administration of serotonin (5-HT) to normoglycemic trout (time and dose response) decreased glycogen levels in the brain and increased brain glycogen phosphorylase activity (time response). In hypoglycemic fish (that had been fasted for 5 and 10 days), there was a time-dependent decrease in brain glycogen levels; under these conditions, i.c.v. administration of 5-HT also reduced the brain glycogen content in fish that had been fasted for 5 days. In fish with local cerebral hypoglycemia (induced by 2-DG administration), the glycogen levels decreased and, as above, i.c.v. administration of 5-HT also lowered the glycogen content. In hyperglycemic fish, 5-HT did not affect glycogen levels. Administration of receptor agonists 5-HT1A (8-OH-DPAT), 5-HT1B (anpirtoline and CP93129) or 5-HT2 (α-m-5-HT) decreased the brain glycogen levels. This effect was antagonized by the administration of receptor antagonists 5-HT1A (WAY100135 and NAN190), 5-HT1B (NAS181) and 5-HT2B/C (SB206553). Administration of the receptor agonists (±)-DOI (5-HT2A/2C), m-CPP (5-HT2B/2C), BW723C86 (5-HT2B) and WAY 161503 (5-HT2C) led to decreases in the levels of brain glycogen. We found that 5-HT is involved in the modulation of brain glycogen homeostasis in the rainbow trout, causing a glycogenolytic effect when fish are in a normoglycemic or hypoglycemic state, but not when they are in a hyperglycemic state. 5-HT1A, 5-HT1B, 5HT2B and 5-HT2C-like receptors appeared to be involved in the glycogenolytic action of 5-HT, although the effect mediated by 5-HT1A or 5-HT1B was apparently stronger.


Asunto(s)
Encéfalo/efectos de los fármacos , Encéfalo/metabolismo , Glucogenólisis/efectos de los fármacos , Oncorhynchus mykiss/metabolismo , Serotonina/farmacología , Animales , Benzopiranos/administración & dosificación , Benzopiranos/farmacología , Encéfalo/enzimología , Glucógeno/metabolismo , Glucógeno Fosforilasa de Forma Encefálica/metabolismo , Indoles/administración & dosificación , Indoles/farmacología , Inyecciones Intraperitoneales , Inyecciones Intraventriculares , Morfolinas/administración & dosificación , Morfolinas/farmacología , Piperazinas/administración & dosificación , Piperazinas/farmacología , Pirazinas/administración & dosificación , Pirazinas/farmacología , Piridinas/administración & dosificación , Piridinas/farmacología , Quinoxalinas/administración & dosificación , Quinoxalinas/farmacología , Receptores de Serotonina 5-HT1/metabolismo , Serotonina/administración & dosificación , Agonistas del Receptor de Serotonina 5-HT1/administración & dosificación , Agonistas del Receptor de Serotonina 5-HT1/farmacología , Antagonistas del Receptor de Serotonina 5-HT1/administración & dosificación , Antagonistas del Receptor de Serotonina 5-HT1/farmacología , Tiofenos/administración & dosificación , Tiofenos/farmacología , Factores de Tiempo
19.
Depress Anxiety ; 28(10): 892-8, 2011 Oct 03.
Artículo en Inglés | MEDLINE | ID: mdl-21818825

RESUMEN

BACKGROUND: Obsessive-compulsive disorder (OCD) is a chronic and debilitating anxiety disorder associated with significant impairment in quality of life and functioning. Research examining the differences in clinical correlates and treatment response associated with different obsessions in OCD has yielded important findings underscoring the heterogeneous nature of this disorder. To date, most of this research has focused on differences associated with primary obsessions, and little attention has been paid to the clinical utility of studying how compulsive symptoms affect clinical course. Virtually no systematic research has explored the clinical characteristics of one understudied symptom presentation, mental rituals, and what impact this primary symptom has on severity and course of illness. Mental rituals, or compulsions without overt signs, represent unique clinical challenges but often go understudied for numerous methodological and clinical reasons. METHODS: In this study, we explored the impact of primary mental rituals on clinical severity and chronicity in a large, longitudinal sample of OCD patients (N = 225) over 4 years. RESULTS: Mental rituals were a primary presenting symptom for a sizable percentage of the sample (12.9%). Primary mental rituals were associated with greater clinical severity and lower functioning at intake, as well as a more chronic course of illness, as participants with primary mental rituals spent nearly 1 year longer in full DSM-IV criteria episodes over the 4-year follow-up interval than OCD patients without mental rituals. CONCLUSIONS: These results suggest that mental rituals are uniquely impairing and highlight the need for further empirical exploration and consideration in treatment.


Asunto(s)
Conducta Ceremonial , Conducta Compulsiva/psicología , Trastorno Obsesivo Compulsivo/psicología , Adulto , Edad de Inicio , Anciano , Enfermedad Crónica , Conducta Compulsiva/diagnóstico , Femenino , Humanos , Estudios Longitudinales , Masculino , Persona de Mediana Edad , Trastorno Obsesivo Compulsivo/diagnóstico , Prevalencia , Adulto Joven
20.
Behav Ther ; 52(5): 1296-1309, 2021 09.
Artículo en Inglés | MEDLINE | ID: mdl-34452681

RESUMEN

Community mental health centers (CMHCs) provide the majority of mental health services for low-income individuals in the United States. Exposure and response prevention (ERP), the psychotherapy of choice for obsessive-compulsive disorder (OCD), is rarely delivered in CMHCs. This study aimed to establish the acceptability and feasibility of testing a behavioral therapy team (BTT) intervention to deliver ERP in CMHCs. BTT consisted of individual information-gathering sessions followed by 12 weeks of group ERP and concurrent home-based coaching sessions. The sample consisted of 47 low-income individuals with OCD who were randomized to receive BTT or treatment as usual (TAU). Symptom severity and quality-of-life measures were assessed at pretreatment, posttreatment, and 3- and 6-month posttreatment. Feasibility of training CMHC staff was partially successful. CMHC therapists successfully completed rigorous training and delivered ERP with high fidelity. However, training paraprofessionals as ERP coaches was more challenging. ERP was feasible and acceptable to patients. BTT participants were more likely than TAU participants to attend their first therapy session and attended significantly more treatment sessions. A large between-group effect size was observed for reduction in OCD symptoms at posttreatment but differences were not maintained across 3- and 6-month follow-ups. For BTT participants, within-group effect sizes reflecting change from baseline to posttreatment were large. For TAU participants, depression scores did not change during the active treatment phase but gradually improved during follow-up. Results support feasibility and acceptability of ERP for this patient population. Findings also underscore the importance of implementation frameworks to help understand factors that impact training professionals.


Asunto(s)
Terapia Cognitivo-Conductual , Trastorno Obsesivo Compulsivo , Terapia Conductista , Centros Comunitarios de Salud Mental , Humanos , Trastorno Obsesivo Compulsivo/terapia , Proyectos Piloto , Resultado del Tratamiento
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