ESTS-RCT
A Confirmatory Randomized Controlled Trial Comparing Evolutionary Systems Therapy for Schizotypal Personality Disorder With Cognitive Behavioral Therapy
Sponsor study identifier
interventional
28
1 country
1
Study Start
October 5, 2022
Actual (reported)Primary Completion
November 1, 2024
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Study Completion
January 1, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
This study aims at replicating existing preliminary evidence about the effectiveness of Evolutionary Systems Therapy for Schizotypy (ESTS). The present randomized controlled trial (RCT) will compare ESTS with Cognitive Behavioral Therapy (CBT) in treating Schizotypal Personality Disorder (SPD). The main questions our RCT aims to answer are:
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
January 1, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
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Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
October 5, 2022
Actual (reported)January 17, 2023
Actual (reported)February 2, 2023
Actual (reported)November 1, 2024
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
January 1, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Change in general symptomatology
Change in the total score of Symptom Checklist-90-R (SCL-90-R) between two measurements
2 measurements: one at baseline assessment; one at final assessment
Change in metacognition
2 measurements: one at baseline assessment (once the intervention starts); one at final assessment (6 months after, that is after weekly scheduled 24 sessions)
Change in critical beliefs about self
2 measurements: one at baseline assessment (once the intervention starts); one at final assessment (6 months after, that is after weekly scheduled 24 sessions)
Change in critical beliefs about others
2 measurements: one at baseline assessment (once the intervention starts); one at final assessment (6 months after, that is after weekly scheduled 24 sessions)
Change in schizotypal traits 1
2 measurements: one at baseline assessment (once the intervention starts); one at final assessment (6 months after, that is after weekly scheduled 24 sessions)
Change in schizotypal traits 2
2 measurements: one at baseline assessment (once the intervention starts); one at final assessment (6 months after, that is after weekly scheduled 24 sessions)
Cognitive Behavioral Therapy for Personality Disorder as manualized by Beck, Davis, Freeman and Beck in their book (2016) will be delivered to partecipants in the active control group.
Evolutionary Systems Therapy for Schizotypy as manualized by Cheli and colleagues in their trial (2023) will be delivered to partecipants in the experimental group.
A novel therapy for schizotypal traits integrating evolutionary psychopathology, compassion focused therapy, and metacognitively oriented psychotherapy.
An adaptation of Cognitive Behavioral Therapy for those diagnosed with personaloty disorders.
Centro di Psicologia e Psicoterapia Tages Onlus - Firenze
Florence, FI, 50137, Italy
Simone Cheli, PhD
Tages Onlus
First Submitted
January 17, 2023
First Posted
February 2, 2023
Study Start
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Contact the study team to confirm eligibility.
October 5, 2022
Actual (reported)Primary Completion
November 1, 2024
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Study Completion
January 1, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Last Updated
July 6, 2023
Record last verified: 2023-07
The data will be anonymized and shared through Open Science Foundation at the end of the study.
Download the complete ClinicalTrials.gov record imported by Syfrah, including fields not shown in this page. The registry may contain a newer revision.
Source: ClinicalTrials.gov.
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