Publications by authors named "Gonzalez-Saiz F"

Objective: Dose optimization plays a key role in determining clinical outcomes in patients on opioid agonist treatment (OAT). The objective of this study was to identify the variables independently associated with buprenorphine/naloxone (B/N) dose adequacy in patients with opiate use disorder (OUD).

Method: Cross-sectional study of a convenience sample of patients with OUD treated with B/N (n = 315) in four regions in Spain.

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Background: Dynamic changes in neuronal activity and in noradrenergic locus coeruleus (LC) projections have been proposed during the transition from acute to chronic pain. Thus, the authors explored the cellular cFos activity of the LC and its projections in conjunction with spontaneous pain-like behavior in neuropathic rats.

Methods: Tyrosine hydroxylase:Cre and wild-type Long-Evans rats, males and females, were subjected to chronic constriction injury (CCI) for 2 (short-term, CCI-ST) or 30 days (long-term, CCI-LT), evaluating cFos and Fluoro-Gold expression in the LC, and its projections to the spinal cord (SC) and rostral anterior cingulate cortex (rACC).

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Background: This study investigates whether early clozapine use is associated with improved responses in different clinical domains, including positive and negative symptoms, functioning, and well-being.

Methods: Data from 254 clozapine-treated patients at Cambridgeshire and Peterborough NHS Foundation Trust (CPFT) were analysed. Among them, 231 (90.

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Background: The treatment of schizophrenia requires a prolonged, multidimensional intervention that includes antipsychotic drugs. Treatment adherence is essential to effectively control the disorder. Shared decision-making (SDM) is a strategy, supported by numerous practical and ethical arguments, that seeks to involve patients in the therapeutic process to improve treatment adherence and satisfaction.

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Objective: The aim of this study was to determine the prevalence of low scores on eight commonly used neuropsychological tests to evaluate learning and memory, language, and executive functions in individuals with coca paste use disorders (CPUD) and to identify the differences with respect to a group of healthy nonconsuming subjects (HCs).

Methods: 162 Colombian adults with CPUD and a group of 162 Colombian adult HCs participated in this comparative study. Eight tests (eighteen test scores) were grouped into three categories: learning and memory, language, and executive functions.

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Cocaine use could be modulated by drug expectancies based on previously experienced subjective effects. Some patients perceive a paradoxical calming effect after cocaine use. This study was performed to explore cocaine effect expectancies in patients diagnosed with cocaine use disorder, with and without co-occurring adult attention deficit hyperactivity disorder (ADHD).

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Social Cognition (SC) impairment is part of the deficit syndrome of schizophrenia. The Observable Social Cognition: A Rating Scale (OSCARS) evaluates the perceived SC through an external reference informant. The aim of this paper is to analyze the psychometric properties of validity and reliability of its cross-cultural adaptation for the Spanish population.

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Background: Few studies have explored changes in quality of life during the first three months of admission to a therapeutic community for addictions. The objective of this study was to determine the relationship between these changes and treatment outcomes at discharge.

Methods: We undertook a prospective longitudinal study of 142 cocaine-dependent patients treated at a therapeutics community.

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WHAT IS ALREADY KNOWN ABOUT THE TOPIC?: Our present understanding of mechanical restraint is heterogenous, largely due to the important differences between countries/regions. In Spain, the use of this restrictive practice is not regulated, nor is its use protocolized. Previous studies that have investigated the impact of organizational factors and changes in these protocols are often short and not conducted within a framework designed to establish a long-term plan for reducing the use of mechanical restraint.

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Objectives: The aim of this study was to identify independent predictors of satisfaction with antipsychotics in patients with schizophrenia spectrum disorders treated in a mental health catchment area.

Methods: Observational analytical study of patients ( = 150) recruited through a convenience sampling method from five mental health units. Satisfaction with the antipsychotic as a medication was evaluated using the Treatment Satisfaction Questionnaire for Medication (TSQM).

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Background: Patient satisfaction with methadone or buprenorphine-naloxone can be multidimensionally and specifically assessed by using, respectively, the Scale to Assess Satisfaction with Medications for Addiction Treatment-Methadone for Heroin addiction (SASMAT-METHER) or the SASMAT-Buprenorphine-Naloxone for Heroin addiction (SASMAT-BUNHER). The factor structures of the SASMAT-METHER and SASMAT-BUNHER show substantial commonalities. The objective of the present study is to evaluate the replicability of the SASMAT-METHER factor structure using data from the SASMAT-BUNHER development study in order to obtain an instrument that can be used to compare patient satisfaction with methadone vs.

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Background: Cocaine use is a growing global health problem and patients with cocaine use disorders (CUD) present several complications, including high rates of major depression. These subjects present two types of major depressive disorder (MDD): primary major depressive disorder (P-MDD) and cocaine-induced major depressive disorder (CI-MDD). To improve treatment, it is necessary to distinguish between both types.

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The use of psychoactive substances has been one of the most important global public health problems over the last few decades. Among the problems associated with substance use, dual diagnosis is one of the most relevant. This study aims to investigate the predictive validity of the GHQ-28 (General Health Questionnaire-28; "probable psychiatric cases") in relation to poor treatment outcome measured by (a) "early treatment dropout" and (b) "nonclinically relevant improvement at discharge.

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Major depressive disorder is a severe, disabling disorder that affects around 4.7% of the population worldwide. Based on the monoaminergic hypothesis of depression, monoamine reuptake inhibitors have been developed as antidepressants and nowadays, they are used widely in clinical practice.

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Background: Until now, no specific tool has been available to measure heroin-dependent patient satisfaction with buprenorphine-naloxone as a medication. The purpose of the present study was to develop the Scale to Assess Satisfaction with Medications for Addiction Treatment-Buprenorphine-Naloxone for Heroin addiction (SASMAT-BUNHER) and to examine its validity and reliability.

Methods: The SASMAT-BUNHER was developed from a pool of 44 self-administered items grouped into nine theoretical domains, as follows: Overall Satisfaction, Pharmacotherapy, Initiation, Anti-Addictive Effect on Heroin, Mental State, Physical State, Personal Functioning, Acceptability, and Anti-Addictive Effect on Secondary Substances.

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Article Synopsis
  • The study aimed to identify different profiles of heroin-dependent patients in terms of buprenorphine dosage management during maintenance treatment, using survey data from 316 patients across 16 Spanish centers.
  • Four distinct patient clusters were found based on dosage adequacy and preferences, with one group receiving inadequate doses linked to increased drug use and poorer mental health outcomes.
  • These findings highlight the importance of personalized buprenorphine dosing strategies, as inadequate management can significantly affect treatment outcomes for individuals struggling with heroin dependence.
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Objective: The aim of this paper is to provide evidence of the validity and reliability of the COMRADE scale (Combined Outcome Measure for Risk communication And treatment Decision making Effectiveness) in patients suffering from schizophrenia spectrum disorders.

Method: 150 patients recruited at five mental health centers were assessed using a cross-sectional study design. The COMRADE, WAIS-S (therapeutic alliance) and TSQM (satisfaction with medication) scales were used.

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Objective: The Opiate Dosage Adequacy Scale (ODAS) is a clinical tool to individually measure the "adequacy" of opioid doses in patients on maintenance treatment. The aim of this paper is to provide evidence for the validity and reliability of the ODAS in a sample of patients in buprenorphine/naloxone (B/N) maintenance treatment.

Method: Cross-sectional study of a convenience sample of B/N-treated patients (n = 316) from four Autonomous Communities in Spain.

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Article Synopsis
  • Cocaine remains a significant public health issue in Europe, requiring a detailed understanding of the characteristics of patients seeking treatment to enhance intervention strategies.* -
  • A study comparing two groups of cocaine users—those in ambulatory therapeutic communities (ATC) and those in residential therapeutic communities (TC)—found a higher prevalence of multiple substance use disorders and more severe cocaine use disorders among TC patients.* -
  • The findings indicate that differences in substance use and psychiatric conditions between the two populations could impact the effectiveness of mental health services, highlighting the need for tailored patient assessments to improve treatment outcomes.*
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The aim of this study was to examine the association between baseline executive functioning and outcome measure of treatment in 226 cocaine dependent individuals who initiated treatment in therapeutic communities TCs. The study was conducted across six TCs located in the region of Andalusia (southern Spain). Neuropsychological testing included tests of working memory, reasoning, inhibition, switching, attention interference and decision making.

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Objective: In clinical practice, methadone maintenance treatment (MMT) entails tailoring the methadone dose to the patient's specific needs, thereby individualizing treatment. The aim of this study was to identify the independent factors that may significantly explain methadone dose adequacy from the patient's perspective.

Method: Secondary analysis of data collected in a treatment satisfaction survey carried out among a representative sample of MMT patients (n=122) from the region of La Rioja (Spain).

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The main goal of this study it is explore the psychopathological differences between IPD and SIPD in a sample of 125 adults with a lifetime diagnosis of cocaine disorder recruited from treatment setting and through street contacts. A secondary analysis of six cross-sectional studies was conducted between 2000 and 2010. SIPD and IPD were diagnosed using the Psychiatric Research Interview for Substance and Mental Disorders (PRISM).

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Objective: Therapeutic success in the treatment of alcohol use disorders highly depends on an appropriate diagnosis. The Substance Dependence Severity Scale –SDSS- is a scale that assesses substance dependence in dimensional terms and that follows the diagnostic criteria established by the international classification systems. The aim of this study is to provide validity evidence for the severity dimension of the alcohol dependence scale of the SDSS comparing it with the Mini International Neuropsychiatric Interview –MINI-, and others variables related to substance use included in the EuropASI.

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