CEDARS Intervention: A Coping, Emotional Development, & Stress Reduction Intervention (CEDARS)

August 14, 2026 updated by: Nia Heard-Garris, Ann & Robert H Lurie Children's Hospital of Chicago

Coping and Emotional Development for Adolescents to Reduce Stress for Adolescents

Using an adapted stress-reduction intervention called the CEDARS, the investigators will pilot the intervention in adolescents (N=40) to determine the feasibility and acceptability of CEDARS implementation and to investigate adolescent stress reduction. As an exploratory aim, the investigators will explore the influence of the CEDARS on CMH-related behaviors and CMH. The investigators expect that those adolescents who undergo the intervention will have the greatest improvement in mental health symptoms than their waitlisted counterparts. Our secondary hypothesis is that those who report more adversity will also report greater improvement in mental health symptoms than their peers.

Study Overview

Detailed Description

This intervention has been adapted based on feedback from previous focus groups with adolescents, clinical staff, community stakeholders, and a CEDARS workgroup.

Participants will be divided into two groups - 20 in the intervention group and 20 in the waitlisted group.

Adolescents in the intervention group will participate in 7 weekly, 1-hour sessions. This online intervention will feature positive affect and stress reduction skills delivered via self-paced and self-guided modules. The skills are taught through brief didactic and semi-interactive videos followed by invitations and opportunities for practice within the session and at home. Participants will complete a baseline, mid-point, and post-intervention survey to determine the influence of the intervention.

There will be one follow-up survey with participants after the intervention. The survey will take place 1 month after the program has concluded.

Study Type

Interventional

Enrollment (Actual)

36

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Illinois
      • Chicago, Illinois, United States, 60611
        • Ann & Robert H. Lurie Children's Hospital of Chicago

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

15 years to 19 years (Child, Adult)

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  • Adolescents ages 13-20
  • Adolescents able to speak and understand English fluently
  • Adolescents with reliable internet access (for virtual access to online modules)

Exclusion Criteria:

  • Individuals younger than age 13 and older than age 20
  • Individuals who are not able to speak or understand English fluently
  • Individuals without reliable internet access

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: CEDARS- Active Intervention
Using an adapted stress-reduction intervention called the CEDARS, the investigators will pilot the intervention in adolescents (N=20) to determine the feasibility and acceptability of CEDARS implementation and to investigate adolescent stress reduction.
This intervention is intended to help adolescents cope with stress and improve positive affect.
Other: CEDARS- Waitlisted Control
The investigators will use a wait-listed control for the pilot intervention in adolescents (N=20) to determine the feasibility and acceptability of CEDARS implementation and to investigate adolescent stress reduction.
This intervention is intended to help adolescents cope with stress and improve positive affect.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Feasibility: Percentage of Recruitment Target Enrollment Met
Time Frame: Baseline
This measurement reflects the number of participants recruited compared to the recruitment target goal.
Baseline
Feasibility:4 of 7 Intervention Modules Completed
Time Frame: Endpoint (8 Weeks after intervention start)
Feasibility was defined as the proportion of participants who completed at least 4 of the 7 core intervention modules during the study period.
Endpoint (8 Weeks after intervention start)
Feasibility: Mean Intervention Module Completion
Time Frame: Endpoint (8 Weeks after intervention start)
Intervention module completion was defined as the mean number of modules the intervention participants completed during the study period.
Endpoint (8 Weeks after intervention start)
Acceptability: Participant Satisfaction Score ≥8 of 10
Time Frame: Endpoint (8 Weeks after intervention start)
Acceptability was defined as participant satisfaction with the intervention, measured using a 1-10 satisfaction scale, with scores ≥8 indicating intervention acceptability.
Endpoint (8 Weeks after intervention start)
Acceptability: Mean Participant Satisfaction
Time Frame: Endpoint (8 Weeks after intervention start)
Acceptability was defined as participant satisfaction with the intervention measured using a 1-10 satisfaction scale, with scores ≥8 indicating positive acceptability.
Endpoint (8 Weeks after intervention start)

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Depressive Symptoms
Time Frame: Baseline, Midpoint (Week 4), Endpoint (Week 8), and 1-month follow-up
The PHQ-9 is a self-administered depression module of the Patient Health Questionnaire (PHQ). It contains 9 questions that help identify patients with clinically meaningful symptoms of depression. Patient responses are scored 0-3 with 0 representing "not at all" and 3 indicating "nearly every day;" thus, the PHQ-9 contains a total score range of 0-27. Higher scores indicate more severe depressive symptoms. No specific administration time could be found, but a reasonable administration time is approximately 5-10 minutes for cognitively intact patients. PHQ-9 questions are straightforward and pertain to depressive symptoms experienced over the past 2 weeks that include anhedonia, dysphoria, sleep disturbances, fatigue, changes in eating, low self-esteem, concentration difficulties, hypo-or-hyper-active behaviors, and thoughts of suicide or homicide.
Baseline, Midpoint (Week 4), Endpoint (Week 8), and 1-month follow-up
Anxiety Symptoms
Time Frame: Baseline, Midpoint (4 weeks), Endpoint (8 weeks), 1 month post intervention
The GAD-7 is a 7-item self-report questionnaire used to measure the severity of generalized anxiety disorder, with total scores ranging from 0 to 21 based on a 4-point scale (0-3). Scores of 5, 10, and 15 represent cut-points for mild, moderate, and severe anxiety, respectively. A score of 10 or higher is the recommended threshold for identifying probable cases of GAD.
Baseline, Midpoint (4 weeks), Endpoint (8 weeks), 1 month post intervention
Positive Affect
Time Frame: Baseline, Midpoint (4 weeks), Endpoint (8 weeks), 1 month post intervention
PANAS-C SF Scale: In this 10-item scale, the 5 positive affect (PA) items are summed to obtain a PA score, and the 5 negative affect (NA) items are summed to obtain an NA score. Each question is scored 1- "not much or not at all" to 5- "a lot. Higher scores on each scale indicate higher levels of engagement within that particular affect, although there is no cutoff threshold.
Baseline, Midpoint (4 weeks), Endpoint (8 weeks), 1 month post intervention
Perceived Stress
Time Frame: Baseline, Midpoint (4 weeks), Endpoint (8 weeks), 1 month post intervention
The Perceived Stress Scale (PSS) is a widely used, self-report psychological instrument designed to measure the degree to which individuals appraise situations in their lives as uncontrollable, unpredictable, and overwhelming. The general scoring guidelines are 0-13: Low stress, 14-26: Moderate stress, 27-40: High perceived stress.
Baseline, Midpoint (4 weeks), Endpoint (8 weeks), 1 month post intervention
Flourishing
Time Frame: Baseline, Midpoint (4 weeks), Endpoint (8 weeks), 1 month post intervention
The Flourishing Scale (FS; Diener et al., 2010) is a brief 8-item summary measure of the respondent's self-perceived success in important areas such as relationships, self-esteem, purpose, and optimism. It was designed to measure social-psychological prosperity and to complement existing measures of subjective well-being. The FS provides a single psychological well-being score. All items are rated on a 7-point Likert-type scale where 1 = strongly disagree and 7 = strongly agree. All items are phrased in a positive direction. Scores can range from 8 (Strong Disagreement with all items) to 56 (Strong Agreement with all items). Higher scores indicate greater flourshing.
Baseline, Midpoint (4 weeks), Endpoint (8 weeks), 1 month post intervention
Negative Affect
Time Frame: Baseline, Midpoint (4 weeks), Endpoint (8 weeks), 1 month post intervention
PANAS-C SF Scale: In this 10-item scale, the 5 positive affect (PA) items are summed to obtain a PA score, and the 5 negative affect (NA) items are summed to obtain an NA score. Each question is scored 1- "not much or not at all" to 5- "a lot. Higher scores on each scale indicate higher levels of engagement within that particular affect, although there is no cutoff threshold.
Baseline, Midpoint (4 weeks), Endpoint (8 weeks), 1 month post intervention
Resilient Coping
Time Frame: Baseline, Midpoint, Endpoint. 1 Month Post-Intervention
The Brief Resilient Coping Scale captures tendencies to cope with stress adaptively. The scale focuses on the tendency to effectively use coping strategies in flexible, committed ways to actively solve problems despite stressful circumstances. Total score: Total sum scores range from 4 to 20. Scores of 4-13 indicate low resilient coping, 14-16 indicate medium resilient coping and 17-20 indicate high resilient coping.
Baseline, Midpoint, Endpoint. 1 Month Post-Intervention

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Nia Heard-Garris, MD,MSc,FAAP, Ann & Robert H Lurie Children's Hospital of Chicago

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

February 29, 2024

Primary Completion (Actual)

December 24, 2024

Study Completion (Actual)

July 28, 2025

Study Registration Dates

First Submitted

July 1, 2021

First Submitted That Met QC Criteria

July 1, 2021

First Posted (Actual)

July 12, 2021

Study Record Updates

Last Update Posted (Actual)

August 17, 2026

Last Update Submitted That Met QC Criteria

August 14, 2026

Last Verified

August 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • IRB 2021-4642
  • K01HL147995-01 (U.S. NIH Grant/Contract)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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