Effectiveness of an Integrated Care Pathway for Depression: Cluster Randomized Controlled Trial
CARIBOU-2
1 other identifier
interventional
300
1 country
1
Brief Summary
This a stepped wedged cluster RCT with two intervention arms--Treatment As Usual (TAU) and an Integrated Care Pathway (ICP). Eligible participants are between the ages of 13 and 18, who present to community mental health agencies with depressive symptoms as the primary concern. The primary objective is to establish the clinical effectiveness of the ICP intervention in the community setting relative to TAU, with respect to reducing evaluator-rated depressive symptoms. The secondary objectives are to explore changes in clinician-rated function and caregiver-rated symptoms for youth receiving the ICP intervention relative to TAU. The third objective is to explore the implementation effectiveness of the ICP intervention, namely investigating: feasibility, fidelity, cost and acceptability. Edited on March 7th, 2024: This is a quasi-experimental, multi-site cluster controlled clinical trial design with two intervention arms--Treatment As Usual (TAU) and an Integrated Care Pathway (ICP). Eligible participants are between the ages of 13 and 18, who present to community mental health agencies with depressive symptoms as the primary concern. The primary objective is to establish the clinical effectiveness of the ICP intervention in the community setting relative to TAU, with respect to reducing evaluator-rated depressive symptoms. The secondary objectives are to explore changes in clinician-rated function and caregiver-rated symptoms for youth receiving the ICP intervention relative to TAU. The third objective is to explore the implementation effectiveness of the ICP intervention in the community setting, namely investigating: feasibility, fidelity, cost and acceptability.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable major-depressive-disorder
Started Feb 2022
Longer than P75 for not_applicable major-depressive-disorder
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
November 3, 2021
CompletedFirst Posted
Study publicly available on registry
December 2, 2021
CompletedStudy Start
First participant enrolled
February 1, 2022
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 30, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
September 30, 2027
March 22, 2024
March 1, 2024
5.7 years
November 3, 2021
March 20, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Childhood Depression Rating Scale-Revised
A 17-item measure rated by an RA following a semi-structured interview with the adolescent relating to symptoms of depression over the past 2 weeks. The RA will be blind to treatment assignment.
Change from baseline to 24 weeks
Secondary Outcomes (9)
Columbia Suicide Severity Rating Scale
Change from baseline to 24 weeks
Depression Rating Scale
Change from baseline to 24 weeks
Youth Quality of Life Scale Research Version
Change from baseline to 24 weeks
Health and Social Service Utilization
Change from baseline to 24 weeks
Ontario Perception of Care Tool for Mental Health and Addictions
Change from baseline to 24 weeks
- +4 more secondary outcomes
Study Arms (2)
Treatment as Usual
ACTIVE COMPARATORStudy involvement for all sites will begin in the TAU condition, which is the typical treatment at the participating community mental health agency. A range of treatments observed in our previous survey of sites will be on offer in these agencies, depending on the preferences and context of the local agency. In typical TAU in community mental health agencies, depressive symptoms and function are not systematically monitored via standardized rating scales. TAU may or may not include referral to psychotherapy and/or parent support. There are no prompts to prescribe specific medications, and/or internal and external referrals to treatment and other services, guided by local service standards.
CARIBOU-2
EXPERIMENTALAfter the CARIBOU-1 pilot study, the Principal Investigator revised the ICP to render it more applicable to community settings as well as offer a second-line psychotherapy ("Brief Psychosocial Intervention") for youth who do not engage with, or respond to, cognitive-behavioural therapy. The revised version is called the CARIBOU-2 intervention. The current iteration of the pathway involves a series of steps: (1) structured assessment, including safety assessment; (2) education on depression, sleep, exercise, and diet; (3) psychotherapy (with 1st line Cognitive Behavioural Therapy, 2nd line "Brief Psychosocial Intervention"); (4) a caregiver structured support group; (5) medication options (1st line fluoxetine, 2nd line sertraline); (6) "team reviews" every four weeks, (meeting with the youth and involved clinicians to review measures and discuss treatment changes); and, (7) discharge and follow-up planning.
Interventions
Various typical interventions for adolescents with depression.
Eligibility Criteria
You may qualify if:
- Youth is aged 13 to 18 years, inclusive.
- Youth and/or their caregiver is expressing that 'depression" (or some synonym) is a concern.
- Clinician agrees that depressive symptoms are a treatment target.
- Mood and Feelings Questionnaire score is ≥22 at two sequential visits (screening and baseline assessment).
- Youth must be new to the site (in past 3 months) or have a period of no treatment for 3 months
You may not qualify if:
- Known or highly suspected presentations of psychotic symptoms that are persistent, affect functioning, and have observable effects on behaviour.
- Severe substance use disorder, bipolar disorder, autism spectrum disorder or intellectual disability, severe eating disorder, imminent risk of suicide requiring hospitalization as per judgment of the assessing clinician.
- Inability to provide informed consent to the study for any reason
- Youth currently in Day Treatment
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Centre for Addiction and Mental Health
Toronto, Ontario, Canada
Related Publications (6)
Bennett K, Courtney D, Duda S, Henderson J, Szatmari P. An appraisal of the trustworthiness of practice guidelines for depression and anxiety in children and youth. Depress Anxiety. 2018 Jun;35(6):530-540. doi: 10.1002/da.22752. Epub 2018 Apr 26.
PMID: 29697887BACKGROUNDCourtney D, Bennett K, Henderson J, Darnay K, Battaglia M, Strauss J, Watson P, Szatmari P. A Way through the woods: Development of an integrated care pathway for adolescents with depression. Early Interv Psychiatry. 2020 Aug;14(4):486-494. doi: 10.1111/eip.12918. Epub 2019 Dec 27.
PMID: 31883210BACKGROUNDCourtney DB, Bennett K, Szatmari P. The Forest and the Trees: Evidence-Based Medicine in the Age of Information. J Am Acad Child Adolesc Psychiatry. 2019 Jan;58(1):8-15. doi: 10.1016/j.jaac.2018.06.035.
PMID: 30577942BACKGROUNDCurran GM, Bauer M, Mittman B, Pyne JM, Stetler C. Effectiveness-implementation hybrid designs: combining elements of clinical effectiveness and implementation research to enhance public health impact. Med Care. 2012 Mar;50(3):217-26. doi: 10.1097/MLR.0b013e3182408812.
PMID: 22310560BACKGROUNDHytman L, Mansueto S, Chan JI, Kumar R, Nguyen ATP, Wang W, Krause KR, Monga S, Szatmari P, Courtney DB. Interrater Reliability and Measurement Error of the Children's Depression Rating Scale-Revised in Adolescents. JAACAP Open. 2025 Jun 20;3(4):1225-1235. doi: 10.1016/j.jaacop.2025.06.005. eCollection 2025 Dec.
PMID: 41367969DERIVEDde Oliveira C, Mason J, Amani B, Liddell G, Szatmari P, Henderson J, Courtney D. Protocol for the economic evaluation of the Care for Adolescents who Received Information 'Bout Outcomes, 2nd iteration (CARIBOU-2) non-randomised, cluster-controlled trial of an integrated care pathway for depression in adolescents. BMJ Open. 2025 May 15;15(5):e092541. doi: 10.1136/bmjopen-2024-092541.
PMID: 40379352DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Darren B Courtney, MD
University of Toronto
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- OUTCOMES ASSESSOR
- Masking Details
- The evaluator of the primary outcome will be blind to treatment arm as well as blind to the stepped wedge design. Edited March 7th, 2024: The evaluator of the primary outcome will be blind to treatment arm as well as blind to the quasi-experimental cluster controlled design.
- Purpose
- TREATMENT
- Intervention Model
- SEQUENTIAL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
November 3, 2021
First Posted
December 2, 2021
Study Start
February 1, 2022
Primary Completion (Estimated)
September 30, 2027
Study Completion (Estimated)
September 30, 2027
Last Updated
March 22, 2024
Record last verified: 2024-03
Data Sharing
- IPD Sharing
- Will not share