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Biomolecular Characteristics of Reminder‑Focused Positive‑Psychiatry

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University of California, Los Angeles

Last updated:


Trial identifier:



Study Description

Brief summary:

Objective: Posttraumatic stress disorder (PTSD) is a prevalent neuropsychiatric disorder in children and is associated with increased neurovascular inflammation, suicidality, adulthood mental health disorder, and major adverse events. Reminder focused positive psychiatry (RFPP) has been shown as well tolerated feasible trauma focused intervention that is associated with improved core PTSD symptoms, decreased severity of reactivity to PTSD trauma reminders, and increased vascular function. This study evaluates the clinical and biomolecular characteristics of RFPP in adolescents with PTSD. Research Design/Overall Impact: After obtaining parents' informed consent and adolescent's assent, 60 adolescents aged 11-15 years old with PTSD, and free of known medical and other major psychiatric disorders will be recruited from the pool of eligible adolescents at Olive View UCLA Pediatrics Clinics (>3000 adolescents with PTSD). Eligible adolescents will be randomized to 1) RFPP group intervention, or 2) an attentional control condition (group process). Thirty subjects in each group will receive twice weekly telehealth intervention of either RFPP or group process, for 6 weeks, and undergo 4 blinded neuropsychiatric assessments at baseline, 3, 6, and 24 weeks. Parents will receive weekly interventions of either positive psychoeducation or group process, for 6 weeks and undergo baseline, 3, 6- and 24-weeks neuropsychiatric assessment. Vascular function, inflammatory biomarkers including CRP, homocysteine, and stress involved gene expression biomarkers (i.e. changes in gene expression of FKBP5, DDX6, B2M, LAIR1, RTN4, NUB1, and a multi-gene Conserved Transcriptional Response to Adversity score (CTRA) will be measured at baseline and 6-week. The primary and secondary endpoints are a) changes in PTSD core and reactivity to trauma reminder severity score in response to RFPP intervention, b) changes in wellbeing, biopsychosocial trait, vascular function, neuroinflammation and gene expression biomarkers in response to RFPP, and c) changes in parents' wellbeing and biopsychosocial trait as well as child-parent interactions.

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Study Recruitment Status:

Glossary term:

Recruitment status
Not yet recruiting: The study has not started recruiting participants. Recruiting: The study is currently recruiting participants. Enrolling by invitation: The study is selecting its participants from a population, or group of people, decided on by the researchers in advance. These studies are not open to everyone who meets the eligibility criteria but only to people in that particular population, who are specifically invited to participate. Active, not recruiting: The study is ongoing, and participants are receiving an intervention or being examined, but potential participants are not currently being recruited or enrolled. Suspended: The study has stopped early but may start again. Terminated: The study has stopped early and will not start again. Participants are no longer being examined or treated. Completed: The study has ended normally, and participants are no longer being examined or treated (that is, the last participant's last visit has occurred). Withdrawn: The study stopped early, before enrolling its first participant. Unknown: A study on ClinicalTrials.gov whose last known status was recruiting; not yet recruiting; or active, not recruiting but that has passed its completion date, and the status has not been last verified within the past 2 years.
Age Eligible:

Glossary term:

A type of eligibility criteria that indicates the age a person must be to participate in a clinical study. This may be indicated by a specific age or the following age groups: The age groups are: Child (birth–17) Adult (18–64) Older adult (65+)
11 Years - 15 Years
Sexes Eligible:

Glossary term:

A type of eligibility criteria that indicates the sex of people who may participate in a clinical study (all, female, male). Sex is a person's classification as female or male based on biological distinctions. Sex is distinct from gender-based eligibility.
Study Accepts Healthy Volunteers:

Glossary term:

Accepts Healthy Volunteers
A type of eligibility criteria that indicates whether people who do not have the condition/disease being studied can participate in that clinical study.
Intervention Being Studied:
Behavioral: Reminder Focused Positive Psychiatry
Behavioral: attentional control condition (group process)
Type of Study:

Glossary term:

Study Type
Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access. Interventional studies (clinical trials): A type of clinical study in which participants are assigned to groups that receive one or more intervention/treatment (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes. The assignments are determined by the study's protocol. Participants may receive diagnostic, therapeutic, or other types of interventions. Observational studies: A type of clinical study in which participants are identified as belonging to study groups and are assessed for biomedical or health outcomes. Participants may receive diagnostic, therapeutic, or other types of interventions, but the investigator does not assign participants to a specific intervention/treatment. A patient registry is a type of observational study. Expanded access: A way for patients with serious diseases or conditions who cannot participate in a clinical trial to gain access to a medical product that has not been approved by the U.S. Food and Drug Administration (FDA). Also called compassionate use. There are different expanded access types.
Enrollment (Anticipated):

Glossary term:

The number of participants in a clinical study. The "estimated" enrollment is the target number of participants that the researchers need for the study.
60 participants

Glossary term:

The organization or person who initiates the study and who has authority and control over the study.
University of California, Los Angeles
Study Locations (1):
Study Start Date (Actual):

Glossary term:

Study start date
The actual date on which the first participant was enrolled in a clinical study. The "estimated" study start date is the date that the researchers think will be the study start date.

May 01, 2022

Study Completion (Anticipated):

Glossary term:

Study completion date
The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "estimated" study completion date is the date that the researchers think will be the study completion date.

December 28, 2023

Study Contacts:

Naser Ahmadi, MD PhD

424 298 8846


Naser Ahmadi, MD PhD



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