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CTRI Number  CTRI/2024/01/061602 [Registered on: 18/01/2024] Trial Registered Prospectively
Last Modified On: 11/02/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Behavioral 
Study Design  Single Arm Study 
Public Title of Study   Dialectical behavior therapy for Borderline Personality Disorder 
Scientific Title of Study   Brief Dialectical Behaviour Therapy Group Skills Training as a standalone psychotherapy for Individuals with Borderline Personality Disorder 
Trial Acronym  Nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Diksha Dugar 
Designation  PhD Scholar 
Affiliation  National Institute of Mental Health and Neurosciences 
Address  Department of Clinical Psychology, National Institute of Mental Health and Neurosciences, Hosur road, Bengaluru India

Bangalore
KARNATAKA
560029
India 
Phone  9990297968  
Fax    
Email  dugardiksha.aud@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr M Manjula 
Designation  Professor 
Affiliation  National Institute of Mental Health and Neurosciences 
Address  Department of Clinical Psychology, National Institute of Mental Health and Neurosciences, Hosur road, Bengaluru

Bangalore
KARNATAKA
560029
India 
Phone  08026995182  
Fax    
Email  drmanjula71@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Diksha Dugar 
Designation  PhD Scholar 
Affiliation  National Institute of Mental Health and Neurosciences 
Address  Department of Clinical Psychology, National Institute of Mental Health and Neurosciences, Hosur road, Bengaluru

Bangalore
KARNATAKA
560029
India 
Phone  9990297968  
Fax    
Email  dugardiksha.aud@gmail.com  
 
Source of Monetary or Material Support  
UGC JRF Scholarship 495(NET-JULY 2018) University Grants Commission (UGC)Bahadur Shah Zafar Marg New Delhi 110002 
 
Primary Sponsor  
Name  UGC JRF Scholarship 495(NET-JULY 2018) University Grants Commission  
Address  Bahadur Shah Zafar Marg New Delhi 110002 
Type of Sponsor  Government funding agency 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Diksha Dugar  National Institute of Mental Health and Neurosciences   Behavioural Medicine Unit, Department of Clinical Psychology, Basement, M. V. Govindaswamy building, National Institute of Mental Health and Neurosciences, Hosur road, Bengaluru-560029
Bangalore
KARNATAKA 
9990297968

dugardiksha.aud@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
National Institute of Mental Health and Neurosciences Institutional Ethics Commitee (Behavioural Sciences division)   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: F603||Borderline personality disorder,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Brief Dialectical Behaviour Therapy Group Skills Training (DBT-ST)  Dialectical Behavior Therapy is a comprehensive, empirically validated first line treatment for Borderline Personality Disorder. The standard DBT comprise of four components- Individual Therapy, Skills training, Telephone coaching and therapist consultation team. Intervention in the present study however will be limited to DBT Skills training component. Literature suggests that DBT skills training alone can result in large improvements in domain of self-harm as well as psychosocial functioning. The DBT Skills training comprises of 4 modules (mindfulness, distress tolerance, interpersonal effectiveness and emotion regulation) and typically takes around 12 months in the standard DBT therapy. However, in the present study, the schedule that will be followed is based on Soler (2009) 13 week schedule. There will be weekly sessions of 120 mins for a duration of 12-14 weeks for patient with Borderline Personality Disorder. This will be conducted in a group format with 6-8 participants via either online or offline mode. 
Comparator Agent  nil  nil 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1. Age between 18–60 years,
2. meeting diagnostic criteria for BPD according to the Structured Clinical Interview for DSM-V Personality Disorders (SCID-5 PD),
3. able to read and understand English,
4. able to commit to attending 12-13 weeks of DBT skills training in the hospital’s outpatient clinic.
5. All genders 
 
ExclusionCriteria 
Details  1. Current comorbidity with schizophrenia, drug-induced psychosis, alcohol or other psychoactive substance dependence, bipolar disorder, major depressive episode with current suicidal risk,
2. Symptoms of axis 1 disorders which interfere with engagement in therapy for personality disorder.
3. Having an organic brain disorder or intellectual disability.
4. Have taken DBT psychotherapy in the past or is currently undergoing psychotherapy for personality disorders. 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
BPD symptoms severity  baseline, post intervention assessment,3-month follow-up and 6-month follow-up (if possible) 
 
Secondary Outcome  
Outcome  TimePoints 
Non-suicidal self-injury (NSSI)  baseline, post intervention assessment, 3-month follow-up and 6-month follow-up (if possible) 
Emotion regulation  baseline, post intervention assessment, 3-month follow-up and 6-month follow-up (if possible) 
Anxiety and depressive symptoms  baseline, post intervention assessment,3-month follow-up and 6-month follow-up (if possible) 
Global Functioning  baseline, post intervention assessment,3-month follow-up and 6-month follow-up (if possible) 
DBT skill use  Pre-intervention Assessment, after every module, 3-month follow-up and 6-month follow-up (if possible) (Total 7 time points) 
 
Target Sample Size   Total Sample Size="30"
Sample Size from India="30" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   N/A 
Date of First Enrollment (India)   05/02/2024 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="3"
Months="5"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Open to Recruitment 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - YES
  1. What data in particular will be shared?
    Response - Individual participant data that underlie the results reported in this article, after de-identification (text, tables, figures, and appendices).

  2. What additional supporting information will be shared?
    Response -  Study Protocol

  3. Who will be able to view these files?
    Response - Researchers who provide a methodologically sound proposal.

  4. For what types of analyses will this data be available?
    Response - For individual participant data meta-analysis.

  5. By what mechanism will data be made available?
    Response - Proposals should be directed to [dugardiksha.aud@gmail.com].

  6. For how long will this data be available start date provided 20-10-2027 and end date provided 20-12-2032?
    Response - Beginning 3 months and ending 5 years following article publication.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - nil
Brief Summary
Modification(s)  
Borderline Personality Disorder (BPD) is highly prevalent personality disorder associated with intense psychosocial distress to the patient and people around them. Highly cost intensive treatments available for this condition may not be feasible in Indian out-patient psychiatric settings. Brief Dialectical Behaviour Therapy Group Skills Training (DBT-ST) can be a judicious intervention in Indian settings due to the cost-effective nature of the treatment. However, DBT-ST have not been studied in Indian context. Thus, this research aims to study the effect of brief Dialectical Behaviour Therapy Skills Training (DBT- ST) for patient with BPD on various primary and secondary outcome variables.

A single group pre-post design will be used. The study will be conducted in two phases. The Pilot phase will include modification of brief DBT-ST schedule by Soler et al (2009) based on insights from running the DBT skills group with 4-6 participants and expert validation of the same.

The main phase will include administering the modified schedule to 30 participants diagnosed with BPD which will require running 4-6 psychotherapy groups with 6-8 participants. The screening will be done using Diagnostic interview for anxiety, mood, and obsessive-compulsive and related neuropsychiatric disorders (DIAMOND; Tolin et al., 2018) and Structured Clinical Interview for DSM-V Personality Disorders (SCID-V PD; First, 2014). The outcome variables will be assessed at baseline, mid-intervention assessment, post-intervention and at 3-months follow-up using Borderline Evaluation of Severity over Time (BEST; Pfohl & Blum, 1997),  Difficulties in Emotional Regulation Scale-18 (DERS-18; Victor & Klonsky, 2016), DBT ways of coping checklist (DBT-WCCL; Vitaliano, et. al., 1985), Depression, Anxiety and Stress Scale - 21 (DASS-21; Lovibond & Lovibond, 1995) and Global Assessment of Functioning (GAF; DSM-IV-TR, 2000). Clinical Global Impression Scale- Borderline Personality Disorder (CGI- BPD; Perez et al., 2007) will be applied pre- and post intervention whereas Deliberate Self-Harm Inventory (DSHI; Gratz, 2001) will be applied at 3 time points: pre-, post-intervention and 3 month follow up. VAS will be assessed after every session. Focus Group Discussion will be held post-intervention.

Data obtained in each phase will be recorded, coded and analysed using suitable qualitative and quantitative methods. Suitable software may be used to transcribe and organize the qualitative data from FGD. Content analysis will be used to understand the data. The quantitative data will be tabulated and subjected to statistical analysis using Statistical Package for Social Sciences (SPSS version 23). Descriptive statistics (e.g., mean, standard deviation) will be used to describe the demographical and clinical characteristics of the sample. Normality of the data will be assessed using Shapiro-Wilk test. Appropriate tests of association based on the normality of the sample will be carried out to study the association between the different variables considered in this study. The study may use hierarchical linear model to compare the data at different time points. P value less than 0.05 will be considered as statistically significant. The participants will be regularly assessed for suicidal risk. Crisis plan will be made collaboratively with participants and their consent will be taken to involve a designated contact person before commencing the treatment. In case patients require any emergency or psychiatric services, referrals and contacts will be provided for the same.
 
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