Clinical trial Recruiting at 1 site Interventional Ages 18 and up

Comparing intensive and standard treatment for PTSD in adults

Official title: Efficacy, Mechanisms of Change and Cost Effectiveness of Intensive Exposure-based Treatment for PTSD: a Randomized Controlled Trial

Run by Karolinska Institutet · NCT05934175 · Data updated 2026-11-12

This study is testing if a new, more intense 5-day therapy for PTSD can help adults recover faster and better than the usual weekly sessions over 15 weeks.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment140 (estimated)
SponsorKarolinska Institutet
Academic / other
Locations1 site (Stockholm)
StatusRecruiting
StartedSeptember 4, 2023
Main results expectedJune 20, 2027
Study endsJune 20, 2027
Registry record updatedApril 7, 2026
Trial IDNCT05934175 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are adults aged 18 and older who have a primary diagnosis of PTSD and are fluent in Swedish.

Probably not a fit

Patients currently undergoing other trauma-focused psychological treatments or those with serious mental health symptoms may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial aims to compare a novel intensive treatment format of prolonged exposure therapy with the standard weekly prolonged exposure therapy for adults suffering from post-traumatic stress disorder (PTSD). Participants will be randomly assigned to either receive the intensive treatment over 5 days with follow-up booster sessions or the traditional weekly sessions over 15 weeks. The study will evaluate the efficacy, mechanisms of change, and cost-effectiveness of the intensive approach in regular psychiatric care in Sweden. The goal is to determine if the intensive format can improve retention rates and recovery times for patients with PTSD.

Why it matters

Potential benefit: If successful, this study could lead to a more effective and efficient treatment option for adults with PTSD, potentially reducing dropout rates and speeding up recovery.

How similar studies have gone: Preliminary research has shown that intensive trauma-focused treatment approaches can be as effective as traditional methods, suggesting potential success for this novel comparison.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* 18 years of age or above,
* Primary PTSD diagnosis
* Fluent in Swedish
* Sign informed consent
* Able to attend either I-PE or 15 weekly sessions of PE

Exclusion Criteria:

* Initiation or adjustment of any psychotropic medication within the last 4 weeks prior to commencement of treatment
* Serious mental health symptoms, such as mania, psychosis, alcohol, or substance use disorders or current suicide risk warranting immediate clinical attention
* Ongoing evidence-based trauma-focused psychological treatment
* Ongoing trauma-related threat (e.g. living with a violent spouse)

Where it's running

  • Traumaprogrammet, Psykiatri Sydväst
    Stockholm, Sweden
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

  • Anger, Social Thinking, and PTSD in French Veterans

    This study tests whether PTSD in former French military personnel is linked to higher anger through changes in social thinking abilities.

    Recruiting Direction Centrale du Service de Santé des Armées · Draguignan · NCT07851090

  • TSND-201 treatment for PTSD in adults

    This study tests two doses of TSND-201 or placebo to see if it helps adults with PTSD.

    Recruiting at 9 sites Phase 3 Transcend Therapeutics · Denver, Colorado and 8 other locations · NCT07836647

  • Long-term outcomes after Hyperbaric Oxygen Therapy in veterans with TBI, PCS, or PTSD

    This study tests whether benefits from HBOT persist over time for veterans with brain injury or related conditions.

    Recruiting Phase 2 Summit Hyperbarics and Wellness · Boise, Idaho · NCT07732374

  • SEE FAR CBT for Adults With PTSD

    This 12-week, one-on-one SEE FAR CBT program tests a trauma-focused therapy to see if PTSD symptoms improve in adults 18 and older.

    Recruiting Community Stress Prevention Center · Kiryat Shmona · NCT07720674

  • Brief SEE FAR CBT: a short, focused therapy for adults with PTSD

    A 6-session Brief SEE FAR CBT treatment is tested against usual dynamic psychotherapy for adults with PTSD to see if it reduces symptoms.

    Recruiting Community Stress Prevention Center · Sha'ar Hanegev · NCT07710573

  • MDMA Therapy for PTSD in Veterans

    This phase 2 study tests a fixed 120 mg dose of MDMA, followed by a 60 mg supplemental dose, plus therapy, to see if it helps adults who are veterans with PTSD.

    Recruiting Phase 2 Sunstone Medical · Rockville, Maryland · NCT07569159

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.