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IRCT20260816070681N1 IRCT 2026-09-25 Islamic Azad University Investigating the Effect of Dialectical Behavior Therapy Training on Alexithymia and Anxiety in Adolescents with Autism The Effectiveness of an Educational Intervention Based on Dialectical Behavior Therapy on Alexithymia and Anxiety in Adolescents with Autism 2026-09-13 anticipated 52 Complete https://irct.ir/trial/93078 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Education/Guidance, Randomization description: After identifying and selecting eligible participants, they will be randomly allocated in equal numbers to two groups: an intervention group and a control group (26 participants in each group). After identifying and selecting eligible participants and obtaining informed consent from their parents, each participant will be assigned a code. The participants will then be allocated equally to the intervention and control groups using simple randomization and a random number table, with 26 participants assigned to the intervention group and 26 participants assigned to the control group. Following random allocation, the intervention group will receive the educational intervention based on Dialectical Behavior Therapy, while the control group will continue to receive the routine school program during the intervention period. N/A Autism Spectrum Disorder (ASD). Intervention 1: Intervention group: A group-based educational intervention based on Dialectical Behavior Therapy (DBT) will be provided in 8 sessions, each lasting 90 minutes, for adolescents with autism. The intervention includes training in distress tolerance, mindfulness, emotion regulation, and interpersonal effectiveness skills. The aim is to improve alexithymia and reduce anxiety. Intervention 2: Control group: The control group will not receive any educational intervention during the intervention period and will continue the usual school program. No - There is not a plan to make this available Justification or reason for not sharing IPD is Individual participant data will not be shared because there is no plan to make individual-level data publicly available. Participant confidentiality and privacy will be maintained, and study results will be reported only in aggregate form.
public Ruhollah Arshadi
Velayat Building (Islamic Azad University of Bushehr Province and Bushehr Branch) – Beginning of Shahid Raisali Delvari Boulevard – Municipality Square
Bushehr Iran (Islamic Republic of) 7561163877 +98 77 3424 4860 nazninjoomhoori@mail.ir Islamic Azad University scientific Ruhollah Arshadi
Velayat Building (Islamic Azad University of Bushehr Province and Bushehr Branch) – Beginning of Shahid Raisali Delvari Boulevard – Municipality Square
Bushehr Iran (Islamic Republic of) 7561163877 +98 77 3424 4860 nazninjoomhoori@mail.ir Islamic Azad University Iran (Islamic Republic of) Having an official diagnosis of Autism Spectrum Disorder (ASD) based on educational and diagnostic records. Being within the adolescent age range Being enrolled in exceptional schools in Borazjan. Having the ability to participate in group intervention sessions. Providing informed parental consent for participation in the study. Not receiving other similar interventions concurrently. 12 years 18 years Both Lack of an official diagnosis of Autism Spectrum Disorder Being outside the adolescent age range Inability to participate in group sessions Lack of parental consent, Concurrent receipt of similar interventions. F84.0 Autistic disorder Behavior Behavior Intervention group: A group-based educational intervention based on Dialectical Behavior Therapy (DBT) will be provided in 8 sessions, each lasting 90 minutes, for adolescents with autism. The intervention includes training in distress tolerance, mindfulness, emotion regulation, and interpersonal effectiveness skills. The aim is to improve alexithymia and reduce anxiety. Control group: The control group will not receive any educational intervention during the intervention period and will continue the usual school program. Alexithymia refers to difficulty in identifying, describing, and distinguishing one's own and others' emotions. In this study, alexithymia will be assessed using the Toronto Alexithymia Scale (TAS-20), with higher scores indicating greater alexithymia. Anxiety refers to the level of anxiety symptoms in adolescents. In this study, anxiety will be assessed using a standardized anxiety questionnaire appropriate for the adolescent age group. Timepoint: Pre-test: Before the beginning of the educational interventionPost-test: Immediately after completion of the educational intervention. Method of measurement: Alexithymia will be measured using the Toronto Alexithymia Scale (TAS-20), consisting of 20 items rated on a 5-point Likert scale. Higher scores indicate greater alexithymia. Anxiety will be measured using an age-appropriate anxiety questionnaire assessing cognitive, emotional, and physical anxiety symptoms. Higher scores indicate greater anxiety. Islamic Azad University Approved 2026-06-08 Research Ethics Committee of Islamic Azad University, Marvdasht Branch Marvdasht–Persepolis Road, Islamic Azad University, Marvdasht Branch Marvdasht Fars Iran (Islamic Republic of)