Using Hexadecanal to enhance therapy for PTSD

Testing Potential Enhancement of Standard Cognitive Processing Therapy for PTSD Using Hexadecanal: A Randomized Controlled Trial

Not applicable Interventional Tel Aviv University · NCT06968312

This study is testing if adding a special odor called Hexadecanal to therapy can help people with PTSD feel better compared to just the therapy alone.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment40 (estimated)
Ages18 Years and up
SexAll
SponsorTel Aviv University Academic / other
Locations1 site (Tel Aviv)
Trial IDNCT06968312 on ClinicalTrials.gov

What this trial studies

This clinical trial investigates the effectiveness of adding Hexadecanal, an odor molecule, to Cognitive Processing Therapy (CPT) for patients with Post Traumatic Stress Disorder (PTSD). In a triple-blind randomized controlled trial, 40 participants will receive either Hexadecanal or a placebo during therapy sessions to assess changes in PTSD symptom severity. The study aims to determine if the presence of Hexadecanal can improve psychological well-being and therapeutic outcomes compared to standard CPT alone.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and over diagnosed with PTSD according to DSM-5 criteria.

Not a fit: Patients with bipolar disorder, psychosis, neurological disorders, or those undergoing parallel psychotherapy may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could enhance the effectiveness of existing PTSD treatments, leading to better patient outcomes.

How similar studies have performed: While the use of odor molecules in therapy is a novel approach, similar studies exploring sensory enhancements in psychological treatments have shown promising results.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Diagnosis of PTSD according to DSM-5
* Age 18 years and over
* Eligible for CPT treatment at the National Center for Traumatic Stress and Resilience

Exclusion Criteria:

* Bipolar disorder, psychosis, neurological disorders
* Drug Addiction
* Parallel psychotherapy
* Congenital or acquired anosmia.

Where this trial is running

Tel Aviv

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Post Traumatic Stress DisorderPTSDPosttraumatic Stress DisorderHexadecanaltreatmentCPTCognitive Processing Therapy
Last reviewed 2026-06-15 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.