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Effectiveness of the Individualized Metacognitive Training (EMC+) in People With Psychosis of Brief Evolution

Primary Purpose

Brief Psychotic Disorder, Psychosis; Episode

Status
Completed
Phase
Not Applicable
Locations
Study Type
Interventional
Intervention
MCT+
Sponsored by
Fundació Sant Joan de Déu
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Brief Psychotic Disorder

Eligibility Criteria

18 Years - 45 Years (Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  • Diagnosis of : schizophrenia, schizoaffective disorder, brief psychotic disorder, delusional disorder, schizophreniform disorder, psychotic disorder not otherwise specified.
  • Less than 5 years of evolution.
  • Score at or above 4 on the PANSS during the last year (delusions, grandiosity, suspiciousness).

Exclusion Criteria:

  • Traumatic brain injury, dementia, or intellectual disability (premorbid IQ ≤70).
  • Substance dependence.
  • Score at or above 5 on the PANSS ( Hostility and Uncooperativeness); score at or above 6 on the PANSS (suspiciousness).

Sites / Locations

    Arms of the Study

    Arm 1

    Arm 2

    Arm Type

    Experimental

    No Intervention

    Arm Label

    Metacognitive Training (MCT+)

    TAU

    Arm Description

    MCT+ combines the process-oriented approach of metacognitive group training with elements of individual cognitive-behavioral therapy. The metacognitive training program is comprised of 10 modules targeting common cognitive errors in schizophrenia. (Moritz et al, 2013). The modules are: 1:Therapeutic alliance, 2: Introducyion to MCT+, 3:Disease model, 4: Attributional style, 5: Decision making, 6: Changing beliefs, 7: Empathizing, 8: Memory, 9: Depression and self-steem, 10: Relapse prevention. The treatment consist of 10 weekly sessions of 45-60 minutes.

    Treatment as usual.

    Outcomes

    Primary Outcome Measures

    PANSS. Positive and Negative Syndrome Scale. (Kay et al., 1987; Peralta and Cuesta, 1994)
    The Positive and Negative Syndrome Scale (PANSS). This scale measures 30 symptoms on a scale of 1-7, with higher scores indicating greater psychopathology. The PANSS contains three sub-scales: positive, negative and general symptoms. Range: 7-112. Higher values represent a worse outcome.
    PANSS. Positive and Negative Syndrome Scale. (Kay et al., 1987; Peralta and Cuesta, 1994)
    The Positive and Negative Syndrome Scale (PANSS). This scale measures 30 symptoms on a scale of 1-7, with higher scores indicating greater psychopathology. The PANSS contains three sub-scales: positive, negative and general symptoms.Range: 7-112. Higher values represent a worse outcome.
    PANSS. Positive and Negative Syndrome Scale. (Kay et al., 1987; Peralta and Cuesta, 1994)
    The Positive and Negative Syndrome Scale (PANSS). This scale measures 30 symptoms on a scale of 1-7, with higher scores indicating greater psychopathology. The PANSS contains three sub-scales: positive, negative and general symptoms.Range: 7-112. Higher values represent a worse outcome.

    Secondary Outcome Measures

    Jumping to conclusions. (Brett-Jones et al. 1987).
    Three different computer tasks were used in the study. In Task 1, jars contained balls of two different colors; in one of them the proportion was 85 black versus 15 orange balls and in the other the ratio was reversed. Task 2 was the same as Task 1 but with a proportion of 60:40 in each jar. Finally, Task 3 was similar to Task 2 but instead of balls, the jars contained positive or negative comments with a proportion of 60:40. The patients had to decide which to jar belonged the extracted balls or comments. At all times the participants had information about the balls previously extracted, in order to control the effect of memory. The subjects could remove as many balls as needed to make their final decision (Garety et al., 2005). JTC was considered as taking a decision after extracting 1 or 2 balls.Dichotomous: yes/no. A "yes" represents a worse outcome
    Jumping to conclusions. (Brett-Jones et al. 1987).
    Three different computer tasks were used in the study. In Task 1, jars contained balls of two different colors; in one of them the proportion was 85 black versus 15 orange balls and in the other the ratio was reversed. Task 2 was the same as Task 1 but with a proportion of 60:40 in each jar. Finally, Task 3 was similar to Task 2 but instead of balls, the jars contained positive or negative comments with a proportion of 60:40. The patients had to decide which to jar belonged the extracted balls or comments. At all times the participants had information about the balls previously extracted, in order to control the effect of memory. The subjects could remove as many balls as needed to make their final decision (Garety et al., 2005). JTC was considered as taking a decision after extracting 1 or 2 balls.Dichotomous: yes/no. A "yes" represents a worse outcome
    Jumping to conclusions. (Brett-Jones et al. 1987).
    Three different computer tasks were used in the study. In Task 1, jars contained balls of two different colors; in one of them the proportion was 85 black versus 15 orange balls and in the other the ratio was reversed. Task 2 was the same as Task 1 but with a proportion of 60:40 in each jar. Finally, Task 3 was similar to Task 2 but instead of balls, the jars contained positive or negative comments with a proportion of 60:40. The patients had to decide which to jar belonged the extracted balls or comments. At all times the participants had information about the balls previously extracted, in order to control the effect of memory. The subjects could remove as many balls as needed to make their final decision (Garety et al., 2005). JTC was considered as taking a decision after extracting 1 or 2 balls.Dichotomous: yes/no. A "yes" represents a worse outcome
    BCIS. Beck Cognitive and Insight Scale. (Beck et al., 2004; Gutierrez-Zotes et al., 2012)
    The Beck Cognitive Insight Scale. this scale is a self-registering measure of 15 items .which evaluates how the patients assess their own judgement. It has two dimensions; self-reflection (R) (9 items), and self-certainty (C) (6 items). A compound index of cognitive insight is obtained as the subtraction of self-certainty from self-reflection (R-C).Range: 0-45. Higher values represent a better outcome
    BCIS. Beck Cognitive and Insight Scale. (Beck et al., 2004; Gutierrez-Zotes et al., 2012)
    The Beck Cognitive Insight Scale. this scale is a self-registering measure of 15 items .which evaluates how the patients assess their own judgement. It has two dimensions; self-reflection (R) (9 items), and self-certainty (C) (6 items). A compound index of cognitive insight is obtained as the subtraction of self-certainty from self-reflection (R-C).Range: 0-45. Higher values represent a better outcome
    BCIS. Beck Cognitive and Insight Scale. (Beck et al., 2004; Gutierrez-Zotes et al., 2012)
    The Beck Cognitive Insight Scale. this scale is a self-registering measure of 15 items .which evaluates how the patients assess their own judgement. It has two dimensions; self-reflection (R) (9 items), and self-certainty (C) (6 items). A compound index of cognitive insight is obtained as the subtraction of self-certainty from self-reflection (R-C).Range: 0-45. Higher values represent a better outcome
    IPSAQ. Internal, Personal and Situational Attribution Questionnaire. (Kinderman & Bentall, 1996)
    The scale assess the attributional style in 32 situations. Personalizing Bias (PB) indicates the proportion of external attributions for negative events which are personal as opposed to situational. A PB score of greater than 0.5 therefore represents a greater tendency to use personal rather than situational external attributions for negative events.
    IPSAQ. Internal, Personal and Situational Attribution Questionnaire. (Kinderman & Bentall, 1996)
    The scale assess the attributional style in 32 situations. Personalizing Bias (PB) indicates the proportion of external attributions for negative events which are personal as opposed to situational. A PB score of greater than 0.5 therefore represents a greater tendency to use personal rather than situational external attributions for negative events.
    IPSAQ. Internal, Personal and Situational Attribution Questionnaire. (Kinderman & Bentall, 1996)
    The scale assess the attributional style in 32 situations. Personalizing Bias (PB) indicates the proportion of external attributions for negative events which are personal as opposed to situational. A PB score of greater than 0.5 therefore represents a greater tendency to use personal rather than situational external attributions for negative events.
    The Hinting Task. (Corcoran et al. 1995; Gil et al. 2012)
    The Scale assess Theory of Mind.Possible range: 0-12. Higher values represent a better outcome
    The Hinting Task. (Corcoran et al. 1995; Gil et al. 2012)
    The Scale assess Theory of Mind. Possible range: 0-12. Higher values represent a better outcome
    The Hinting Task. (Corcoran et al. 1995; Gil et al. 2012)
    The Scale assess Theory of Mind. Possible range: 0-12. Higher values represent a better outcome
    Emotional Recognition Test Faces. (Baron-Cohen et al. 1997)
    20 photographs that express ten basic and ten complex emotions.Possible range: 0-20. Higher values represent a better outcome
    Emotional Recognition Test Faces. (Baron-Cohen et al. 1997)
    20 photographs that express ten basic and ten complex emotions. Possible range: 0-20. Higher values represent a better outcome
    Emotional Recognition Test Faces. (Baron-Cohen et al. 1997)
    20 photographs that express ten basic and ten complex emotions.Possible range: 0-20. Higher values represent a better outcome
    MASC. (Lahera et al.2014).
    A Movie for the Assessment of Social Cognition. Spanish Validation. 46 multiple-choice questions about the emotions, thoughts or intentions of the protagonists. Only one answer out of four is correct. The four choices of each answer include, (1) correct attribution of ToM to the characters of the film, (2) excessive ToM errors (a mental state that is attributed when there is no reason to), (3) reduced ToM errors (a present mental state that is not attributed) and (4) total absence of mental inference (a physical causality attribution instead of a mental state). These errors could be classified as overmentalization, undermentalization and absence of mentalization.

    Full Information

    First Posted
    June 1, 2020
    Last Updated
    June 10, 2020
    Sponsor
    Fundació Sant Joan de Déu
    Collaborators
    Parc Sanitari Sant Joan de Déu, Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz, Servicio Andaluz Jaén y Málaga, Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau, Parc de Salut Mar, Centre d'Higiene Mental Les Corts, Institut Pere Mata, Institut Assistència Sanitària Girona, Hospital Clínico Universitario de Valencia
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    1. Study Identification

    Unique Protocol Identification Number
    NCT04429412
    Brief Title
    Effectiveness of the Individualized Metacognitive Training (EMC+) in People With Psychosis of Brief Evolution
    Official Title
    Effectiveness of the Individualized Metacognitive Training (EMC+) in People With Psychosis of Brief Evolution
    Study Type
    Interventional

    2. Study Status

    Record Verification Date
    May 2020
    Overall Recruitment Status
    Completed
    Study Start Date
    January 1, 2015 (Actual)
    Primary Completion Date
    September 1, 2016 (Actual)
    Study Completion Date
    September 1, 2018 (Actual)

    3. Sponsor/Collaborators

    Responsible Party, by Official Title
    Sponsor
    Name of the Sponsor
    Fundació Sant Joan de Déu
    Collaborators
    Parc Sanitari Sant Joan de Déu, Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz, Servicio Andaluz Jaén y Málaga, Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau, Parc de Salut Mar, Centre d'Higiene Mental Les Corts, Institut Pere Mata, Institut Assistència Sanitària Girona, Hospital Clínico Universitario de Valencia

    4. Oversight

    Studies a U.S. FDA-regulated Drug Product
    No
    Studies a U.S. FDA-regulated Device Product
    No

    5. Study Description

    Brief Summary
    The main aim of the study is to evaluate the effectiveness of Individualized Meta-Cognitive Training (EMC +), in people with psychosis of brief evolution on symptoms, especially on positive symptoms. Secondary aims would be to assess the effect of EMC+ in metacognition, psychosocial and neuropsychological functioning, and to assess the maintenance of program effects on 6 months.
    Detailed Description
    This is a randomized clinical trial in which some patients receive the EMC+ and others treatment as usual.The evaluator will be blind to the group to which the patients belong. The sample for the overall project will be a total of 70 people with a diagnosis of psychotic spectrum, less than 5 years of experience and with a score => 3 positive PANSS (last month) and treated in one of the participating institutions. The evaluation was performed at baseline, at post-treatment and at 6 months follow up. Symptoms, metacognition, psychosocial and neuropsychological functioning were assessed. The EMC consists of 10 therapeutic units with weekly sessions of 45-60 minutes. The material available for the Individualized Metacognitive Training (EMC) program is made up of power-point presentations.

    6. Conditions and Keywords

    Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
    Brief Psychotic Disorder, Psychosis; Episode

    7. Study Design

    Primary Purpose
    Treatment
    Study Phase
    Not Applicable
    Interventional Study Model
    Parallel Assignment
    Model Description
    This is a randomized clinical trial in which some patients receive the EMC+ and others treatment as usual.
    Masking
    Outcomes Assessor
    Masking Description
    The evaluator will be blind to the group that owns the patients included.
    Allocation
    Randomized
    Enrollment
    70 (Actual)

    8. Arms, Groups, and Interventions

    Arm Title
    Metacognitive Training (MCT+)
    Arm Type
    Experimental
    Arm Description
    MCT+ combines the process-oriented approach of metacognitive group training with elements of individual cognitive-behavioral therapy. The metacognitive training program is comprised of 10 modules targeting common cognitive errors in schizophrenia. (Moritz et al, 2013). The modules are: 1:Therapeutic alliance, 2: Introducyion to MCT+, 3:Disease model, 4: Attributional style, 5: Decision making, 6: Changing beliefs, 7: Empathizing, 8: Memory, 9: Depression and self-steem, 10: Relapse prevention. The treatment consist of 10 weekly sessions of 45-60 minutes.
    Arm Title
    TAU
    Arm Type
    No Intervention
    Arm Description
    Treatment as usual.
    Intervention Type
    Behavioral
    Intervention Name(s)
    MCT+
    Intervention Description
    Metacognitive training
    Primary Outcome Measure Information:
    Title
    PANSS. Positive and Negative Syndrome Scale. (Kay et al., 1987; Peralta and Cuesta, 1994)
    Description
    The Positive and Negative Syndrome Scale (PANSS). This scale measures 30 symptoms on a scale of 1-7, with higher scores indicating greater psychopathology. The PANSS contains three sub-scales: positive, negative and general symptoms. Range: 7-112. Higher values represent a worse outcome.
    Time Frame
    baseline.
    Title
    PANSS. Positive and Negative Syndrome Scale. (Kay et al., 1987; Peralta and Cuesta, 1994)
    Description
    The Positive and Negative Syndrome Scale (PANSS). This scale measures 30 symptoms on a scale of 1-7, with higher scores indicating greater psychopathology. The PANSS contains three sub-scales: positive, negative and general symptoms.Range: 7-112. Higher values represent a worse outcome.
    Time Frame
    immediately after the intervention
    Title
    PANSS. Positive and Negative Syndrome Scale. (Kay et al., 1987; Peralta and Cuesta, 1994)
    Description
    The Positive and Negative Syndrome Scale (PANSS). This scale measures 30 symptoms on a scale of 1-7, with higher scores indicating greater psychopathology. The PANSS contains three sub-scales: positive, negative and general symptoms.Range: 7-112. Higher values represent a worse outcome.
    Time Frame
    6 months follow-up
    Secondary Outcome Measure Information:
    Title
    Jumping to conclusions. (Brett-Jones et al. 1987).
    Description
    Three different computer tasks were used in the study. In Task 1, jars contained balls of two different colors; in one of them the proportion was 85 black versus 15 orange balls and in the other the ratio was reversed. Task 2 was the same as Task 1 but with a proportion of 60:40 in each jar. Finally, Task 3 was similar to Task 2 but instead of balls, the jars contained positive or negative comments with a proportion of 60:40. The patients had to decide which to jar belonged the extracted balls or comments. At all times the participants had information about the balls previously extracted, in order to control the effect of memory. The subjects could remove as many balls as needed to make their final decision (Garety et al., 2005). JTC was considered as taking a decision after extracting 1 or 2 balls.Dichotomous: yes/no. A "yes" represents a worse outcome
    Time Frame
    baseline
    Title
    Jumping to conclusions. (Brett-Jones et al. 1987).
    Description
    Three different computer tasks were used in the study. In Task 1, jars contained balls of two different colors; in one of them the proportion was 85 black versus 15 orange balls and in the other the ratio was reversed. Task 2 was the same as Task 1 but with a proportion of 60:40 in each jar. Finally, Task 3 was similar to Task 2 but instead of balls, the jars contained positive or negative comments with a proportion of 60:40. The patients had to decide which to jar belonged the extracted balls or comments. At all times the participants had information about the balls previously extracted, in order to control the effect of memory. The subjects could remove as many balls as needed to make their final decision (Garety et al., 2005). JTC was considered as taking a decision after extracting 1 or 2 balls.Dichotomous: yes/no. A "yes" represents a worse outcome
    Time Frame
    immediately after the intervention
    Title
    Jumping to conclusions. (Brett-Jones et al. 1987).
    Description
    Three different computer tasks were used in the study. In Task 1, jars contained balls of two different colors; in one of them the proportion was 85 black versus 15 orange balls and in the other the ratio was reversed. Task 2 was the same as Task 1 but with a proportion of 60:40 in each jar. Finally, Task 3 was similar to Task 2 but instead of balls, the jars contained positive or negative comments with a proportion of 60:40. The patients had to decide which to jar belonged the extracted balls or comments. At all times the participants had information about the balls previously extracted, in order to control the effect of memory. The subjects could remove as many balls as needed to make their final decision (Garety et al., 2005). JTC was considered as taking a decision after extracting 1 or 2 balls.Dichotomous: yes/no. A "yes" represents a worse outcome
    Time Frame
    6 months follow-up
    Title
    BCIS. Beck Cognitive and Insight Scale. (Beck et al., 2004; Gutierrez-Zotes et al., 2012)
    Description
    The Beck Cognitive Insight Scale. this scale is a self-registering measure of 15 items .which evaluates how the patients assess their own judgement. It has two dimensions; self-reflection (R) (9 items), and self-certainty (C) (6 items). A compound index of cognitive insight is obtained as the subtraction of self-certainty from self-reflection (R-C).Range: 0-45. Higher values represent a better outcome
    Time Frame
    baseline
    Title
    BCIS. Beck Cognitive and Insight Scale. (Beck et al., 2004; Gutierrez-Zotes et al., 2012)
    Description
    The Beck Cognitive Insight Scale. this scale is a self-registering measure of 15 items .which evaluates how the patients assess their own judgement. It has two dimensions; self-reflection (R) (9 items), and self-certainty (C) (6 items). A compound index of cognitive insight is obtained as the subtraction of self-certainty from self-reflection (R-C).Range: 0-45. Higher values represent a better outcome
    Time Frame
    immediately after the intervention
    Title
    BCIS. Beck Cognitive and Insight Scale. (Beck et al., 2004; Gutierrez-Zotes et al., 2012)
    Description
    The Beck Cognitive Insight Scale. this scale is a self-registering measure of 15 items .which evaluates how the patients assess their own judgement. It has two dimensions; self-reflection (R) (9 items), and self-certainty (C) (6 items). A compound index of cognitive insight is obtained as the subtraction of self-certainty from self-reflection (R-C).Range: 0-45. Higher values represent a better outcome
    Time Frame
    6 months follow-up
    Title
    IPSAQ. Internal, Personal and Situational Attribution Questionnaire. (Kinderman & Bentall, 1996)
    Description
    The scale assess the attributional style in 32 situations. Personalizing Bias (PB) indicates the proportion of external attributions for negative events which are personal as opposed to situational. A PB score of greater than 0.5 therefore represents a greater tendency to use personal rather than situational external attributions for negative events.
    Time Frame
    baseline
    Title
    IPSAQ. Internal, Personal and Situational Attribution Questionnaire. (Kinderman & Bentall, 1996)
    Description
    The scale assess the attributional style in 32 situations. Personalizing Bias (PB) indicates the proportion of external attributions for negative events which are personal as opposed to situational. A PB score of greater than 0.5 therefore represents a greater tendency to use personal rather than situational external attributions for negative events.
    Time Frame
    immediately after the intervention
    Title
    IPSAQ. Internal, Personal and Situational Attribution Questionnaire. (Kinderman & Bentall, 1996)
    Description
    The scale assess the attributional style in 32 situations. Personalizing Bias (PB) indicates the proportion of external attributions for negative events which are personal as opposed to situational. A PB score of greater than 0.5 therefore represents a greater tendency to use personal rather than situational external attributions for negative events.
    Time Frame
    6 months follow-up
    Title
    The Hinting Task. (Corcoran et al. 1995; Gil et al. 2012)
    Description
    The Scale assess Theory of Mind.Possible range: 0-12. Higher values represent a better outcome
    Time Frame
    baseline
    Title
    The Hinting Task. (Corcoran et al. 1995; Gil et al. 2012)
    Description
    The Scale assess Theory of Mind. Possible range: 0-12. Higher values represent a better outcome
    Time Frame
    immediately after the intervention
    Title
    The Hinting Task. (Corcoran et al. 1995; Gil et al. 2012)
    Description
    The Scale assess Theory of Mind. Possible range: 0-12. Higher values represent a better outcome
    Time Frame
    6 months follow-up
    Title
    Emotional Recognition Test Faces. (Baron-Cohen et al. 1997)
    Description
    20 photographs that express ten basic and ten complex emotions.Possible range: 0-20. Higher values represent a better outcome
    Time Frame
    baseline
    Title
    Emotional Recognition Test Faces. (Baron-Cohen et al. 1997)
    Description
    20 photographs that express ten basic and ten complex emotions. Possible range: 0-20. Higher values represent a better outcome
    Time Frame
    immediately after the intervention
    Title
    Emotional Recognition Test Faces. (Baron-Cohen et al. 1997)
    Description
    20 photographs that express ten basic and ten complex emotions.Possible range: 0-20. Higher values represent a better outcome
    Time Frame
    6 months follow-up
    Title
    MASC. (Lahera et al.2014).
    Description
    A Movie for the Assessment of Social Cognition. Spanish Validation. 46 multiple-choice questions about the emotions, thoughts or intentions of the protagonists. Only one answer out of four is correct. The four choices of each answer include, (1) correct attribution of ToM to the characters of the film, (2) excessive ToM errors (a mental state that is attributed when there is no reason to), (3) reduced ToM errors (a present mental state that is not attributed) and (4) total absence of mental inference (a physical causality attribution instead of a mental state). These errors could be classified as overmentalization, undermentalization and absence of mentalization.
    Time Frame
    immediately after the intervention
    Other Pre-specified Outcome Measures:
    Title
    SFS. Social Functioning Scale.(Birchwood et al, 1990; Torres y Olivares, 2000).
    Description
    This scale assess social functioning in people with psychotic disorders. Range: 45-195
    Time Frame
    baseline
    Title
    SFS. Social Functioning Scale.(Birchwood et al, 1990; Torres y Olivares, 2000).
    Description
    This scale assess social functioning in people with psychotic disorders.Range: 45-195
    Time Frame
    immediately after the intervention
    Title
    SFS. Social Functioning Scale.(Birchwood et al, 1990; Torres y Olivares, 2000).
    Description
    This scale assess social functioning in people with psychotic disorders.Range: 45-195
    Time Frame
    6 months follow-up
    Title
    WCST(Wisconsin Card Sorting Test, Bergs et al, 1948)
    Description
    measure of executive function. Categories completed and perseverative errors. Higher values represent a better outcome.
    Time Frame
    baseline
    Title
    WCST(Wisconsin Card Sorting Test, Bergs et al, 1948)
    Description
    measure of executive function. Categories completed and perseverative errors. Higher values represent a better outcome.
    Time Frame
    immediately after the intervention
    Title
    WCST(Wisconsin Card Sorting Test, Bergs et al, 1948)
    Description
    measure of executive function. Categories completed and perseverative errors. Higher values represent a better outcome.
    Time Frame
    6 months follow-up
    Title
    Test Stroop (Stroop, 1935)
    Description
    flexibility and inhibition of automatic responses.Higher values represent a better outcome.
    Time Frame
    baseline
    Title
    Test Stroop (Stroop, 1935)
    Description
    flexibility and inhibition of automatic responses.Higher values represent a better outcome.
    Time Frame
    immediately after the intervention
    Title
    Test Stroop (Stroop, 1935)
    Description
    flexibility and inhibition of automatic responses.Higher values represent a better outcome.
    Time Frame
    6 months follow-up
    Title
    TMT A B (Trail Making Test, Reitan, 1993)
    Description
    visual attention and task switching. Higher values represent a worse outcome.
    Time Frame
    baseline
    Title
    TMT A B (Trail Making Test, Reitan, 1993)
    Description
    visual attention and task switching. Higher values represent a worse outcome.
    Time Frame
    immediately after the intervention
    Title
    TMT A B (Trail Making Test, Reitan, 1993)
    Description
    visual attention and task switching. Higher values represent a worse outcome.
    Time Frame
    6 months follow-up
    Title
    CPT-IP (Continous Performance Test, Matrics)
    Description
    measure of attention. Higher values represent a better outcome.
    Time Frame
    baseline
    Title
    CPT-IP (Continous Performance Test, Matrics)
    Description
    measure of attention.Higher values represent a better outcome.
    Time Frame
    6 months follow-up
    Title
    TAVEC (Verbal Learning Test), Benedet and Aleixandre 1998)
    Description
    measure of verbal memory.Higher values represent a better outcome.
    Time Frame
    baseline
    Title
    TAVEC (Verbal Learning Test), Benedet and Aleixandre 1998)
    Description
    measure of verbal memory. Higher values represent a better outcome.
    Time Frame
    6 months follow-up
    Title
    WAIS-III (Weschler Adults Intelligence Scale, Wechsler 1955)
    Description
    vocabulary subscale. Higher values represent a better outcome.
    Time Frame
    baseline
    Title
    WAIS-III (Weschler Adults Intelligence Scale, Wechsler 1955)
    Description
    digits subscale. Higher values represent a better outcome.
    Time Frame
    baseline
    Title
    WAIS-III (Weschler Adults Intelligence Scale, Wechsler 1955)
    Description
    digits subscale. Higher values represent a better outcome.
    Time Frame
    immediately after the intervention
    Title
    WAIS-III (Weschler Adults Intelligence Scale, Wechsler 1955)
    Description
    digits subscale. Higher values represent a better outcome.
    Time Frame
    6 months follow-up

    10. Eligibility

    Sex
    All
    Minimum Age & Unit of Time
    18 Years
    Maximum Age & Unit of Time
    45 Years
    Accepts Healthy Volunteers
    No
    Eligibility Criteria
    Inclusion Criteria: Diagnosis of : schizophrenia, schizoaffective disorder, brief psychotic disorder, delusional disorder, schizophreniform disorder, psychotic disorder not otherwise specified. Less than 5 years of evolution. Score at or above 4 on the PANSS during the last year (delusions, grandiosity, suspiciousness). Exclusion Criteria: Traumatic brain injury, dementia, or intellectual disability (premorbid IQ ≤70). Substance dependence. Score at or above 5 on the PANSS ( Hostility and Uncooperativeness); score at or above 6 on the PANSS (suspiciousness).

    12. IPD Sharing Statement

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    Effectiveness of the Individualized Metacognitive Training (EMC+) in People With Psychosis of Brief Evolution

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