Trial Outcomes & Findings for A Hybrid Type 2 Trial of Trauma-Focused Cognitive Behavioral Therapy and a Pragmatic Individual-Level Implementation Strategy (NCT NCT04451161)

NCT ID: NCT04451161

Last Updated: 2025-09-12

Results Overview

Participants provided data every 2-3 months for up to two years, reporting: How many students received CPSS-V (PTSD screener)? With how many students was TF-CBT initiated? With how many students was it completed? This allowed for monitoring of both reach (screening) and implementation (initiation/completion) of TF-CBT.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

292 participants

Primary outcome timeframe

18 Months- Active phase (timepoint 6 to 9); Sustainment phase (timepoint 10 to 12)

Results posted on

2025-09-12

Participant Flow

School districts across the United States were recruited to participate in the study, where the district leaders provided a list of potential eligible clinicians currently employed in schools in the district. The eligibility criteria for clinicians were a) provided school-based services for the participating school district; b) did not receive formal training in TF-CBT or CBT+; c) did not receive support to implement another trauma-focused intervention.

Participant milestones

Participant milestones
Measure
BASIS With TF-CBT (Provider)
Participants who received training for the implementation intervention BASIS and the clinical intervention, trauma-focused CBT.
AC (Attention Control) With TF-CBT (Provider)
Participants who received control for the implementation intervention and training for trauma-focused CBT for clinical intervention.
Enhanced Treatment as Usual (Provider)
Participants who received control for both implementation and clinical intervention.
BASIS With TF-CBT (Students)
Students recruited by providers who received training for the interventions: implementation (BASIS) and clinical (TF-CBT).
AC (Attention Control) With TF-CBT (Student)
Students recruited by providers who received control for the implementation intervention and training for TF-CBT for clinical intervention.
Enhanced Treatment as Usual (Student)
Students recruited by providers who received control for both implementation and clinical intervention.
Overall Study
STARTED
62
65
64
34
32
35
Overall Study
End of Training Period (Provider)
47
45
54
0
0
0
Overall Study
End of Active Phase of the Study (Provider)
37
30
48
0
0
0
Overall Study
3-month Follow up (Student)
0
0
0
26
24
21
Overall Study
COMPLETED
31
28
42
21
19
17
Overall Study
NOT COMPLETED
31
37
22
13
13
18

Reasons for withdrawal

Reasons for withdrawal
Measure
BASIS With TF-CBT (Provider)
Participants who received training for the implementation intervention BASIS and the clinical intervention, trauma-focused CBT.
AC (Attention Control) With TF-CBT (Provider)
Participants who received control for the implementation intervention and training for trauma-focused CBT for clinical intervention.
Enhanced Treatment as Usual (Provider)
Participants who received control for both implementation and clinical intervention.
BASIS With TF-CBT (Students)
Students recruited by providers who received training for the interventions: implementation (BASIS) and clinical (TF-CBT).
AC (Attention Control) With TF-CBT (Student)
Students recruited by providers who received control for the implementation intervention and training for TF-CBT for clinical intervention.
Enhanced Treatment as Usual (Student)
Students recruited by providers who received control for both implementation and clinical intervention.
Overall Study
Lost to Follow-up
28
37
22
13
11
14
Overall Study
Withdrawal by Subject
3
0
0
0
2
4

Baseline Characteristics

Students were recruited by providers who participated in the study. The students needed to be a) within the TF-CBT development range (age 8-19), b) experienced a traumatic event (e.g., exposure to violence), and c) have significant post-traumatic stress symptoms. Only categorical age was collected for provider participants; therefore, the mean and standard deviation cannot be calculated.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
BASIS With TF-CBT (Provider)
n=62 Participants
Participants who received training for the implementation intervention BASIS and the clinical intervention, trauma-focused CBT.
AC (Attention Control) With TF-CBT (Provider)
n=65 Participants
Participants who received control for the implementation intervention and training for trauma-focused CBT for clinical intervention.
Enhanced Treatment as Usual (Provider)
n=64 Participants
Participants who received control for both implementation and clinical intervention.
BASIS With TF-CBT (Students)
n=34 Participants
Students recruited by providers who received training for the interventions: implementation (BASIS) and clinical (TF-CBT).
AC (Attention Control) With TF-CBT (Student)
n=32 Participants
Students recruited by providers who received control for the implementation intervention and training for TF-CBT for clinical intervention.
Enhanced Treatment as Usual (Student)
n=35 Participants
Students recruited by providers who received control for both implementation and clinical intervention.
Total
n=292 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=62 Participants
0 Participants
n=65 Participants
0 Participants
n=64 Participants
34 Participants
n=34 Participants
32 Participants
n=32 Participants
35 Participants
n=35 Participants
101 Participants
n=292 Participants
Age, Categorical
Between 18 and 65 years
62 Participants
n=62 Participants
64 Participants
n=65 Participants
63 Participants
n=64 Participants
0 Participants
n=34 Participants
0 Participants
n=32 Participants
0 Participants
n=35 Participants
189 Participants
n=292 Participants
Age, Categorical
>=65 years
0 Participants
n=62 Participants
1 Participants
n=65 Participants
1 Participants
n=64 Participants
0 Participants
n=34 Participants
0 Participants
n=32 Participants
0 Participants
n=35 Participants
2 Participants
n=292 Participants
Age, Continuous
11 Years
STANDARD_DEVIATION 2.7 • n=34 Participants • Students were recruited by providers who participated in the study. The students needed to be a) within the TF-CBT development range (age 8-19), b) experienced a traumatic event (e.g., exposure to violence), and c) have significant post-traumatic stress symptoms. Only categorical age was collected for provider participants; therefore, the mean and standard deviation cannot be calculated.
12 Years
STANDARD_DEVIATION 3.2 • n=32 Participants • Students were recruited by providers who participated in the study. The students needed to be a) within the TF-CBT development range (age 8-19), b) experienced a traumatic event (e.g., exposure to violence), and c) have significant post-traumatic stress symptoms. Only categorical age was collected for provider participants; therefore, the mean and standard deviation cannot be calculated.
11.2 Years
STANDARD_DEVIATION 2.5 • n=35 Participants • Students were recruited by providers who participated in the study. The students needed to be a) within the TF-CBT development range (age 8-19), b) experienced a traumatic event (e.g., exposure to violence), and c) have significant post-traumatic stress symptoms. Only categorical age was collected for provider participants; therefore, the mean and standard deviation cannot be calculated.
11.4 Years
STANDARD_DEVIATION 2.8 • n=101 Participants • Students were recruited by providers who participated in the study. The students needed to be a) within the TF-CBT development range (age 8-19), b) experienced a traumatic event (e.g., exposure to violence), and c) have significant post-traumatic stress symptoms. Only categorical age was collected for provider participants; therefore, the mean and standard deviation cannot be calculated.
Sex/Gender, Customized
Female
58 Participants
n=62 Participants
58 Participants
n=65 Participants
60 Participants
n=64 Participants
16 Participants
n=34 Participants
14 Participants
n=32 Participants
17 Participants
n=35 Participants
223 Participants
n=292 Participants
Sex/Gender, Customized
Male
2 Participants
n=62 Participants
6 Participants
n=65 Participants
4 Participants
n=64 Participants
18 Participants
n=34 Participants
12 Participants
n=32 Participants
16 Participants
n=35 Participants
58 Participants
n=292 Participants
Sex/Gender, Customized
Transgender
0 Participants
n=62 Participants
0 Participants
n=65 Participants
0 Participants
n=64 Participants
0 Participants
n=34 Participants
2 Participants
n=32 Participants
1 Participants
n=35 Participants
3 Participants
n=292 Participants
Sex/Gender, Customized
Non-binary
2 Participants
n=62 Participants
0 Participants
n=65 Participants
0 Participants
n=64 Participants
0 Participants
n=34 Participants
2 Participants
n=32 Participants
1 Participants
n=35 Participants
5 Participants
n=292 Participants
Sex/Gender, Customized
Unknown or not reported
0 Participants
n=62 Participants
1 Participants
n=65 Participants
0 Participants
n=64 Participants
0 Participants
n=34 Participants
2 Participants
n=32 Participants
0 Participants
n=35 Participants
3 Participants
n=292 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
3 Participants
n=62 Participants
2 Participants
n=65 Participants
1 Participants
n=64 Participants
10 Participants
n=34 Participants
3 Participants
n=32 Participants
1 Participants
n=35 Participants
20 Participants
n=292 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
59 Participants
n=62 Participants
63 Participants
n=65 Participants
63 Participants
n=64 Participants
24 Participants
n=34 Participants
28 Participants
n=32 Participants
34 Participants
n=35 Participants
271 Participants
n=292 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=62 Participants
0 Participants
n=65 Participants
0 Participants
n=64 Participants
0 Participants
n=34 Participants
1 Participants
n=32 Participants
0 Participants
n=35 Participants
1 Participants
n=292 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=62 Participants
0 Participants
n=65 Participants
0 Participants
n=64 Participants
1 Participants
n=34 Participants
0 Participants
n=32 Participants
1 Participants
n=35 Participants
2 Participants
n=292 Participants
Race (NIH/OMB)
Asian
1 Participants
n=62 Participants
1 Participants
n=65 Participants
4 Participants
n=64 Participants
1 Participants
n=34 Participants
0 Participants
n=32 Participants
0 Participants
n=35 Participants
7 Participants
n=292 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=62 Participants
1 Participants
n=65 Participants
0 Participants
n=64 Participants
2 Participants
n=34 Participants
0 Participants
n=32 Participants
1 Participants
n=35 Participants
4 Participants
n=292 Participants
Race (NIH/OMB)
Black or African American
2 Participants
n=62 Participants
2 Participants
n=65 Participants
3 Participants
n=64 Participants
0 Participants
n=34 Participants
2 Participants
n=32 Participants
2 Participants
n=35 Participants
11 Participants
n=292 Participants
Race (NIH/OMB)
White
55 Participants
n=62 Participants
55 Participants
n=65 Participants
55 Participants
n=64 Participants
14 Participants
n=34 Participants
17 Participants
n=32 Participants
23 Participants
n=35 Participants
219 Participants
n=292 Participants
Race (NIH/OMB)
More than one race
2 Participants
n=62 Participants
2 Participants
n=65 Participants
1 Participants
n=64 Participants
13 Participants
n=34 Participants
8 Participants
n=32 Participants
5 Participants
n=35 Participants
31 Participants
n=292 Participants
Race (NIH/OMB)
Unknown or Not Reported
2 Participants
n=62 Participants
4 Participants
n=65 Participants
1 Participants
n=64 Participants
3 Participants
n=34 Participants
5 Participants
n=32 Participants
3 Participants
n=35 Participants
18 Participants
n=292 Participants
Region of Enrollment
United States
62 Participants
n=62 Participants
65 Participants
n=65 Participants
64 Participants
n=64 Participants
34 Participants
n=34 Participants
32 Participants
n=32 Participants
35 Participants
n=35 Participants
292 Participants
n=292 Participants

PRIMARY outcome

Timeframe: 18 Months- Active phase (timepoint 6 to 9); Sustainment phase (timepoint 10 to 12)

Population: Of the randomized participants, the overall number of participants analyzed was still active after the training period. The measure breaks down the number of providers who administered the screener with at least one student, and then adopted (started or completed) the trauma-informed intervention with at least one student.

Participants provided data every 2-3 months for up to two years, reporting: How many students received CPSS-V (PTSD screener)? With how many students was TF-CBT initiated? With how many students was it completed? This allowed for monitoring of both reach (screening) and implementation (initiation/completion) of TF-CBT.

Outcome measures

Outcome measures
Measure
BASIS With TF-CBT (Provider)
n=47 Participants
Participants who received training for the implementation intervention BASIS and the clinical intervention, trauma-focused CBT.
AC (Attention Control) With TF-CBT (Provider)
n=45 Participants
Participants who received control for the implementation intervention and training for trauma-focused CBT for clinical intervention.
Enhanced Treatment as Usual (Provider)
n=54 Participants
Participants who received control for both implementation and clinical intervention.
TF-CBT Adoption and Penetration
Administered CPSS-V with at least one student.
33 Participants
26 Participants
33 Participants
TF-CBT Adoption and Penetration
Started TF-CBT with at least one student.
31 Participants
26 Participants
21 Participants
TF-CBT Adoption and Penetration
Completed TF-CBT with at least one student.
11 Participants
12 Participants
19 Participants

PRIMARY outcome

Timeframe: 6 Months - Baseline (T1); 3-month follow up (T2); 6-month follow up (T3)

Population: All the participants (students) who received trauma-informed intervention- TF-CBT or Enhanced treatment as usual.

The Child PTSD Symptom Scale Self-Report for DSM-5 (CPSS-V) is a modified version of the original CPSS-SR adapted for DSM-5 criteria. The scale includes 20 PTSD symptom items scored on a 5-point Likert scale ranging from 0 ("not at all") to 4 ("6 or more times a week / severe"), where higher scores indicate greater symptom severity. The scale includes 7 functioning items rated as "yes" or "no." The total score ranges from 0 to 80, with higher scores reflecting worse PTSD symptom severity.

Outcome measures

Outcome measures
Measure
BASIS With TF-CBT (Provider)
n=34 Participants
Participants who received training for the implementation intervention BASIS and the clinical intervention, trauma-focused CBT.
AC (Attention Control) With TF-CBT (Provider)
n=32 Participants
Participants who received control for the implementation intervention and training for trauma-focused CBT for clinical intervention.
Enhanced Treatment as Usual (Provider)
n=35 Participants
Participants who received control for both implementation and clinical intervention.
Child PTSD Symptom Scale for DSM-V
Baseline (T1)
34.7 Score on a scale
Standard Deviation 15.9
39.3 Score on a scale
Standard Deviation 18.7
37.1 Score on a scale
Standard Deviation 16.1
Child PTSD Symptom Scale for DSM-V
3-month follow up (T2)
28.3 Score on a scale
Standard Deviation 16.2
34.4 Score on a scale
Standard Deviation 16.2
28.1 Score on a scale
Standard Deviation 17.4
Child PTSD Symptom Scale for DSM-V
6-month follow up (T3)
26.1 Score on a scale
Standard Deviation 17.7
32.2 Score on a scale
Standard Deviation 18.8
19.4 Score on a scale
Standard Deviation 16.3

PRIMARY outcome

Timeframe: 6 Months - Baseline (T1); 3-month follow up (T2); 6-month follow up (T3)

Population: All the participants (students) who received trauma-informed intervention- TF-CBT or Enhanced Treatment as Usual.

The Short Mood and Feelings Questionnaire (SMFQ) is a 13-item self-report measure assessing recent emotional and behavioral states. It consists of descriptive phrases rated based on how often they applied to the subject over the past two weeks: 0 ("not at all"), 1 ("sometimes"), or 2 ("most of the time"). The total score ranges from 0 to 26, with higher scores indicating greater severity of depressive symptoms (worse outcome).

Outcome measures

Outcome measures
Measure
BASIS With TF-CBT (Provider)
n=34 Participants
Participants who received training for the implementation intervention BASIS and the clinical intervention, trauma-focused CBT.
AC (Attention Control) With TF-CBT (Provider)
n=32 Participants
Participants who received control for the implementation intervention and training for trauma-focused CBT for clinical intervention.
Enhanced Treatment as Usual (Provider)
n=35 Participants
Participants who received control for both implementation and clinical intervention.
Mood and Feelings Questionnaire - Short
Baseline (T1)
10.3 score on a scale
Standard Deviation 7.7
11.7 score on a scale
Standard Deviation 7.1
10.7 score on a scale
Standard Deviation 5.9
Mood and Feelings Questionnaire - Short
3-month follow up (T2)
7.7 score on a scale
Standard Deviation 4.8
12.1 score on a scale
Standard Deviation 6.3
7.2 score on a scale
Standard Deviation 4.4
Mood and Feelings Questionnaire - Short
6-month follow-up (T3)
6.8 score on a scale
Standard Deviation 6.3
10 score on a scale
Standard Deviation 7.3
4.9 score on a scale
Standard Deviation 4.3

Adverse Events

BASIS With TF-CBT (Student)

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

Attention Control With TF-CBT (Student)

Serious events: 0 serious events
Other events: 4 other events
Deaths: 0 deaths

Enhanced Treatment as Usual (Student)

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

BASIS With TF-CBT (Provider)

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

AC (Attention Control) With TF-CBT (Provider)

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Enhanced Treatment as Usual (Provider)

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
BASIS With TF-CBT (Student)
n=34 participants at risk
Students recruited by providers who received training for the interventions: implementation (BASIS) and clinical (TF-CBT).
Attention Control With TF-CBT (Student)
n=32 participants at risk
Students recruited by providers who received control for the implementation intervention and training for TF-CBT for clinical intervention.
Enhanced Treatment as Usual (Student)
n=35 participants at risk
Students recruited by providers who received control for both implementation and clinical intervention.
BASIS With TF-CBT (Provider)
Participants who received training for the implementation intervention BASIS and the clinical intervention, trauma-focused CBT.
AC (Attention Control) With TF-CBT (Provider)
Participants who received control for the implementation intervention and training for trauma-focused CBT for clinical intervention.
Enhanced Treatment as Usual (Provider)
Participants who received control for both implementation and clinical intervention.
Social circumstances
Suicidal Ideation/ Self-harm
8.8%
3/34 • Number of events 3 • 6 months- Baseline (T1), 3-month follow up (T2), 6-month follow up (T3)
Any adverse events (including serious ones) were only collected for students (none collected for providers). Identified through a CPSS-V item assessing self-harm (other adverse event). If a student scored \>0 ('not at all') on this item, the protocol followed: Notifying the school mental health provider (provider participant) and the parent (with the student's consent). Based on the severity, escalating to the on-call study clinician to develop a safety plan.
12.5%
4/32 • Number of events 4 • 6 months- Baseline (T1), 3-month follow up (T2), 6-month follow up (T3)
Any adverse events (including serious ones) were only collected for students (none collected for providers). Identified through a CPSS-V item assessing self-harm (other adverse event). If a student scored \>0 ('not at all') on this item, the protocol followed: Notifying the school mental health provider (provider participant) and the parent (with the student's consent). Based on the severity, escalating to the on-call study clinician to develop a safety plan.
5.7%
2/35 • Number of events 2 • 6 months- Baseline (T1), 3-month follow up (T2), 6-month follow up (T3)
Any adverse events (including serious ones) were only collected for students (none collected for providers). Identified through a CPSS-V item assessing self-harm (other adverse event). If a student scored \>0 ('not at all') on this item, the protocol followed: Notifying the school mental health provider (provider participant) and the parent (with the student's consent). Based on the severity, escalating to the on-call study clinician to develop a safety plan.
0/0 • 6 months- Baseline (T1), 3-month follow up (T2), 6-month follow up (T3)
Any adverse events (including serious ones) were only collected for students (none collected for providers). Identified through a CPSS-V item assessing self-harm (other adverse event). If a student scored \>0 ('not at all') on this item, the protocol followed: Notifying the school mental health provider (provider participant) and the parent (with the student's consent). Based on the severity, escalating to the on-call study clinician to develop a safety plan.
0/0 • 6 months- Baseline (T1), 3-month follow up (T2), 6-month follow up (T3)
Any adverse events (including serious ones) were only collected for students (none collected for providers). Identified through a CPSS-V item assessing self-harm (other adverse event). If a student scored \>0 ('not at all') on this item, the protocol followed: Notifying the school mental health provider (provider participant) and the parent (with the student's consent). Based on the severity, escalating to the on-call study clinician to develop a safety plan.
0/0 • 6 months- Baseline (T1), 3-month follow up (T2), 6-month follow up (T3)
Any adverse events (including serious ones) were only collected for students (none collected for providers). Identified through a CPSS-V item assessing self-harm (other adverse event). If a student scored \>0 ('not at all') on this item, the protocol followed: Notifying the school mental health provider (provider participant) and the parent (with the student's consent). Based on the severity, escalating to the on-call study clinician to develop a safety plan.

Additional Information

Dr. Aaron Lyon

University of Washington

Phone: (206) 221-8604

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place