Efficacy of a Personalized, Response-based Transdiagnostic Intervention for Emotional Disorders Delivered Via the Internet: A Protocol for an Adaptive Randomized Controlled Trial
1 other identifier
interventional
366
0 countries
N/A
Brief Summary
This adaptive randomized controlled trial evaluates the efficacy of a transdiagnostic, internet-delivered psychological intervention for emotional disorders, tailored to patient´s early clinical response. 366 adults with clinically significant symptoms of depression and/or anxiety will begin a 12 module self-applied program. Based on sympton reduction after the first three modules, participants will be classified as early or late responders and randomized into different experimental arms. The main hypothesis is that a hybrid format (self-applied modules plus synchronous sessions with a therapist) will yield better outcomes for late responders. Outcomes include symptom reduction, emotional regulation and internet based therapheutic alliance.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started May 2027
Longer than P75 for not_applicable
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
May 26, 2025
CompletedFirst Posted
Study publicly available on registry
July 3, 2025
CompletedStudy Start
First participant enrolled
May 1, 2027
ExpectedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2029
Study Completion
Last participant's last visit for all outcomes
July 1, 2030
May 27, 2026
May 1, 2026
2.6 years
May 26, 2025
May 21, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Clinical Outcomes in Routine Evaluation (CORE-34, Evans et al., 2002)
Is a self report questionnaire designed to assess psychological distress and global functioning across four domains: subjective well being, problems/symptoms, functioning and risk. Items are rated on a 5 point Likert scale. The instrument has demostrated good psychometrics properties. Higher scores indicate greater psychological distress.
Day 1 (BL) Week 3, 6, 9, 12 Week 25 Year 1
Clinical Outcomes in Routine Evaluation 10 (CORE 10, Barkham et al., 2013)
Is a Self-report 10-items questionnaire with 5 Likert response options. Assess general distress. Validated for Spanish speaking population with adequate internal consistency, convergent validity and sensitivity to change.
Day 1 (BL) Week 1, 2, 4, 5, 7, 8, 10, 11
Secondary Outcomes (10)
Difficulties in Emotion Regulation Scale (DERS, Gratz & Roemer, 2004)
Day 1 (BL) Week 3, 6, 9, 12 Week 25 Year 1
Inventory of Interpersonal Problems (IIP32, Horowitz, 2000)
Day 1 (BL) Week 3, 6, 9, 12 Week 25 Year 1
Overall Anxiety Severity and Impairment Scale (OASIS; Norman et al., 2006)
Day 1 (BL) Week 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 Week 25 Year 1
Overall Depression Severity and Impairment Scale (ODSIS; Bentley et al., 2014)
Day 1 (BL) Week 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 Week 25 Year 1
Working Alliance Inventory for Internet Interventions (WAI-I; Gómez Penedo et al., 2020).
Week 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
- +5 more secondary outcomes
Other Outcomes (4)
Personality Inventory for DSM-5 (PID-5; Krueger et al., 2012).
Day 1 (BL) Week 3, 12
Level of Personal Functioning Scale - Brief Form 2.0 (LPFS-BF 2.0; Weekers et al., 2019).
Day 1 (BL) Week 3, 12
Credibility/Expectancy Questionnaire (CEQ; Devilly & Borkovec, 2000).
Day 1 (BL) Week 3, 6, 9, 12 Week 25 Year 1
- +1 more other outcomes
Study Arms (4)
Early responders selfapplied completed
EXPERIMENTALEarly responders selfapplied interrupted
EXPERIMENTALLate responders selfapplied
EXPERIMENTALLate responders blended
EXPERIMENTALInterventions
Is a manualized treatment for emotional disorders delivered through an interactive multimedia platform. The self applied format consists of 12 self applied modules (psychoeducation, emotional processing, cognitive flexibility training, exposure, coping strategies, maladaptive behaviors, avoidance, etc)
Hybrid format: 12 self applied modules with two synchronous videoconference sessions with a trained therapist
Eligibility Criteria
You may qualify if:
- Spanish speakers
- OASIS score +/= 8
- ODSIS score +/= 7
- Access to Internet
You may not qualify if:
- Severe mental disorder: schizophrenia/bipolar disorder
- Active substance abuse
- High suicide risk
- Ongoing psychological/pharmacological treatment
- Interfering physical illness
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Related Links
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
May 26, 2025
First Posted
July 3, 2025
Study Start (Estimated)
May 1, 2027
Primary Completion (Estimated)
December 1, 2029
Study Completion (Estimated)
July 1, 2030
Last Updated
May 27, 2026
Record last verified: 2026-05