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Behavioural Intervention

Intensive Therapy for PTSD

Waitlist Available
Led By Stephanie Y Wells, PhD MS BA
Research Sponsored by VA Office of Research and Development
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be older than 18 years old
Screening 3 weeks
Treatment Varies
Follow Up 3 month follow up
Awards & highlights


This trial aims to see if having intense PTSD treatment sessions several days a week over a month is more effective in keeping Veterans engaged in therapy compared to the usual weekly sessions.

Who is the study for?
This trial is for Veterans with PTSD. Participants must be diagnosed with PTSD or a related traumatic stress disorder and are seeking treatment within the VHA system. The study aims to improve how often patients stay in therapy until it's finished.Check my eligibility
What is being tested?
The study tests two ways of scheduling PTSD treatments: EBP-Massed (intense, several days per week for about a month) versus EBP-TAU (the usual, typically once a week). It wants to see if massed treatment helps more people complete their therapy.See study design
What are the potential side effects?
Since this trial focuses on psychotherapy schedules rather than medication, traditional side effects aren't expected. However, participants may experience varying emotional responses due to the intensity and frequency of the sessions.


Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~3 month follow up
This trial's timeline: 3 weeks for screening, Varies for treatment, and 3 month follow up for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Acceptability of Intervention (AIM)
Client Satisfaction Questionnaire-8 (CSQ-8)
Clinician Administered PTSD Scale for DSM-5 (CAPS-5) Severity Score
+1 more
Secondary outcome measures
Brief Inventory of Psychosocial Functioning (BIPF)
Patient Health Questionnaire-9 (PHQ-9)
Session attendance

Trial Design

2Treatment groups
Experimental Treatment
Active Control
Group I: EBP-MassedExperimental Treatment1 Intervention
PTSD evidence-based psychotherapies are delivered in a massed format (e.g., intended be delivered at least three times per week).
Group II: EBP-TAUActive Control1 Intervention
PTSD evidence-based psychotherapies are delivered treatment as usual, which is typically once per week.

Find a Location

Who is running the clinical trial?

VA Office of Research and DevelopmentLead Sponsor
1,628 Previous Clinical Trials
3,325,949 Total Patients Enrolled
Stephanie Y Wells, PhD MS BAPrincipal InvestigatorDurham VA Medical Center, Durham, NC
~20 spots leftby Dec 2026