ClinicalTrials.gg
CompletedNCT04957498Updated Jun 6, 2022Results posted

Feasibility Study Comparing Standard FBT and Guided Self-Help FBT for Adolescent Anorexia Nervosa

An interventional study of Guided Self-Help for Family Based Treatment and Family Based Treatment in Anorexia Nervosa, sponsored by Stanford University. Completed at 2 sites in 2 countries. Open to participants aged 12 Years to 18 Years. Per ClinicalTrials.gov, last updated 2022-06-06.

Sponsored by Stanford University · Not applicable, Interventional, and Treatment

From the registry’s dates

  • Registered 1 year 10 months after the study started (first participant enrolled Aug 2019, registered Jun 2021).
Phase
Not applicable
Study type
Interventional
Enrollment
40
Allocation
Randomized
Ages
12 Years to 18 Years
Sex
All
01

Study summary

This study examines a parent only Guided Self-Help for Family Based Treatment (GSH-FBT) for adolescents between the ages of 12 and 18 diagnosed with Anorexia Nervosa. Preliminary data collected in a previous study suggest that a Guided Parental Self-Help Version of FBT (GSH-FBT) has similar outcomes as therapist provided FBT.

Read the detailed description

In this study, families will be randomized to either receive 12 weekly online sessions of Guided Self-Help for Family Based Treatment (GSH-FBT), or 15 sessions of online, professionally delivered, standard FBT over the course of 6 months. Potential subjects will be recruited from Stanford University, McMaster University, other local medical programs and clinics, and online advertisement to the population at large. If participants are deemed eligible, participants will be invited for a baseline interview during which the investigators will conduct interviews and collect questionnaire measures. Participants will complete a follow-up interview at the end of treatment and 3-month after end of treatment.

02

Conditions studied

  • Anorexia Nervosa

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Keywords

  • FBT
  • Family Based Treatment
  • Guided Self-Help
03

In context

Anorexia Nervosa

462 studies on the registry are indexed under Anorexia Nervosa; 127 are open to participants now.

This study's enrollment of 40 is close to the median of 43 across 311 interventional studies indexed under Anorexia Nervosa.

Browse Anorexia Nervosa studies →

Lead sponsor

Stanford University is the lead sponsor of 2,161 studies on the registry; 428 are open to participants now.

Of its 268 completed or terminated interventional studies of FDA-regulated products, 207 (77%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
12 Years to 18 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  1. Participants are 12-18 years of age
  2. Participants live with a family (some families may contain only one parent)
  3. Family members fluently speak and read English and have access to a computer with internet
  4. Participants meet DSM-5 criteria for AN (both subtypes)
  5. IBW between 75% and 88%
  6. Participants are medically stable for outpatient treatment according to the recommended thresholds of the American Academy of Pediatrics and the Society of Adolescent Medicine
  7. Participants are not engaged in another individual or family based psychotherapy trial during the duration of treatment sessions in the study.
  8. Medications for comorbid psychiatric disorders are OK; randomization will balance groups through tracking.

Exclusion criteria

Exclusion Criteria:

  1. Associated physical illness that necessitates hospitalization
  2. Psychotic illness in any form, mental retardation, autism, or any other mental illness that would interfere with the use of psychotherapy.
  3. Current dependence on drugs or alcohol
  4. Physical conditions (e.g. diabetes mellitus, pregnancy) known to influence eating or weight
  5. Previous (5 or more sessions of) or current FBT-AN
  6. Participants and family members do not have an adequate understanding of spoken English and are not able to speak and read English in order to participate in family therapy and the assessments.
  7. Current weight is less than 75% or above 88% of expected weight given age and height.
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Single (Outcomes assessor)
Enrollment
40 participants (actual)

Study arms

  • Active comparator
    FBT

    Family Based Treatment (FBT) includes up to 15 session (50-60 minutes) with a trained therapist.

    Behavioral: Family Based Treatment

  • Experimental
    FBT-GSH

    Family Based Treatment Guided Self-Help (FBT-GSH) includes an online website with educational videos, readings, discussion groups, and journals. Parents assigned to this arm will have up to 12 coaching sessions (20-30 minutes) with a trained therapist.

    Behavioral: Guided Self-Help for Family Based Treatment

Interventions

  • BehavioralGuided Self-Help for Family Based Treatment

    A online website provided to parents containing information learned in Family Based Treatment and up to 12 coaching sessions with a therapist.

    Also known as: FBT-GSH

  • BehavioralFamily Based Treatment

    Standard Family Based Treatment provided for up to 15 sessions.

    Also known as: FBT

06

What researchers measure

Primary outcomes

  1. Recruitment Rate

    Number of participants enrolled in the study per month.

    Time frame: Assessed through the end of recruitment (about one year)

  2. Treatment Retention Rate

    The count of participants who did not stop treatment before finishing their randomized treatment course (FBT-V or GSH-FBT).

    Time frame: Up to 6 months

  3. Study Retention Rate

    The number of participants who provided information for the end of treatment assessment and 3-month follow up assessment.

    Time frame: Up to 9 months

  4. Treatment Acceptability Ratings

    To assess treatment acceptability, the study used the Cooperation and Helpfulness sub-scales of the Helping Alliance Questionnaire (HAQ). The HAQ was administered to parents after session 1 and 8. The subscales, Helpfulness and Cooperation, are scored on a Likert scale from "Strongly feels it's true" (+3) to "Strongly feel it's not true" (-3). The sub-scales' total scores ranges are 15- to 15 for Helpfulness and -18 to 18 for Cooperation. A higher score indicates a better outcome. The average score was calculated if more than one parent responded.

    Time frame: Session 1 and Session 8 (approximately 5 minutes to complete questionnaire)

  5. Treatment Acceptability Ratings

    To assess treatment acceptability, the study used the Therapist Suitability and Patient Expectancy measure (TSPE). The TSPE was administered to parents after session 1. The scale is measured from 0-10 (with 0 as the lowest rating and 10 as the highest rating). The average score was calculated if more than one parent responded. A higher score on the TSPE indicates a better outcome.

    Time frame: Session 1 (approximately 5 minutes to complete questionnaire)

  6. Number of Treatment Sessions Attended

    The number of sessions completed by the the participant with the client in treatment is the actual, not planned, number of sessions actually conducted.

    Time frame: Through end of treatment (up to approximately 6 months)

  7. Serious Adverse Events

    Number of events in which a participant required hospitalization

    Time frame: Baseline through end of treatment period (up to 6 months)

07

Results

Posted Dec 13, 2021

Participant flow

Participant flow — Overall Study
MilestoneFBT-VGSH-FBT
Started2020
Completed1918
Not completed12

Outcome measures

PrimaryRecruitment Rate

Number of participants enrolled in the study per month.

Time frame:
Assessed through the end of recruitment (about one year)
Reported as:
Number · participants recruited per month
Recruitment Rate
participants recruited per monthOverall Sample
Recruitment Rate2.86
PrimaryTreatment Retention Rate

The count of participants who did not stop treatment before finishing their randomized treatment course (FBT-V or GSH-FBT).

Time frame:
Up to 6 months
Reported as:
Count of participants · Participants
Treatment Retention Rate
ParticipantsOverall Sample
Treatment Retention Rate35
PrimaryStudy Retention Rate

The number of participants who provided information for the end of treatment assessment and 3-month follow up assessment.

Time frame:
Up to 9 months
Reported as:
Count of participants · Participants
Study Retention Rate
ParticipantsOverall Sample
Study Retention Rate37
PrimaryTreatment Acceptability Ratings

To assess treatment acceptability, the study used the Cooperation and Helpfulness sub-scales of the Helping Alliance Questionnaire (HAQ). The HAQ was administered to parents after session 1 and 8. The subscales, Helpfulness and Cooperation, are scored on a Likert scale from "Strongly feels it's true" (+3) to "Strongly feel it's not true" (-3). The sub-scales' total scores ranges are 15- to 15 for Helpfulness and -18 to 18 for Cooperation. A higher score indicates a better outcome. The average score was calculated if more than one parent responded.

Time frame:
Session 1 and Session 8 (approximately 5 minutes to complete questionnaire)
Reported as:
Mean · score on a scale
Treatment Acceptability Ratings
score on a scaleFBT-VGSH-FBT
HAQ - Helpfulness after Session 13.97 ± 3.644.78 ± 4.75
HAQ - Helpfulness after Session 86.01 ± 4.367.77 ± 4.40
HAQ - Cooperation after Session 111.47 ± 3.3011.91 ± 5.74
HAQ - Cooperation after Session 813.09 ± 3.6812.38 ± 4.80
PrimaryTreatment Acceptability Ratings

To assess treatment acceptability, the study used the Therapist Suitability and Patient Expectancy measure (TSPE). The TSPE was administered to parents after session 1. The scale is measured from 0-10 (with 0 as the lowest rating and 10 as the highest rating). The average score was calculated if more than one parent responded. A higher score on the TSPE indicates a better outcome.

Time frame:
Session 1 (approximately 5 minutes to complete questionnaire)
Reported as:
Mean · score on a scale
Treatment Acceptability Ratings
score on a scaleFBT-VGSH-FBT
TSPE - Suitability of Treatment after Session 18.5 ± 1.377.85 ± 1.98
TSPE - Expectations of Therapy after Session 18.29 ± 1.297.35 ± 1.77
PrimaryNumber of Treatment Sessions Attended

The number of sessions completed by the the participant with the client in treatment is the actual, not planned, number of sessions actually conducted.

Time frame:
Through end of treatment (up to approximately 6 months)
Reported as:
Mean · Sessions attended per participant
Number of Treatment Sessions Attended
Sessions attended per participantFBT-VGSH-FBT
Number of Treatment Sessions Attended13.32 ± 3.3211.71 ± 0.77
PrimarySerious Adverse Events

Number of events in which a participant required hospitalization

Time frame:
Baseline through end of treatment period (up to 6 months)
Reported as:
Number · events
Serious Adverse Events
eventsFBT-VGSH-FBT
Serious Adverse Events24

Adverse events

Collected over Up to approximately 9 months. Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
FBT-V0/20 (0%)1/20 (5%)0/20 (0%)
GSH-FBT0/20 (0%)4/20 (20%)0/20 (0%)
Most frequent serious events
Most frequent serious events
EventFBT-VGSH-FBT
HospitalizationPsychiatric disorders1/204/20

Baseline characteristics

Age, Categorical
Age, Categorical(Participants)FBT-VGSH-FBTTotal
<=18 years202040
Between 18 and 65 years000
>=65 years000
Age, Continuous
Age, Continuous(years)FBT-VGSH-FBTTotal
Mean14.93 ± 1.8214.82 ± 1.8614.88 ± 1.81
Sex: Female, Male
Sex: Female, Male(Participants)FBT-VGSH-FBTTotal
Female161834
Male426
Race (NIH/OMB)
Race (NIH/OMB)(Participants)FBT-VGSH-FBTTotal
American Indian or Alaska Native000
Asian112
Native Hawaiian or Other Pacific Islander000
Black or African American000
White171835
More than one race202
Unknown or Not Reported011
Region of Enrollment
Region of Enrollment(Participants)FBT-VGSH-FBTTotal
Canada91019
United States111021
08

Study locations

2 sites
  • Stanford University
    Stanford, California 94305, United States
  • McMaster University
    Hamilton, Ontario, Canada
09

References and documents

Study documents

  • Protocol and statistical analysis plan · Sep 20, 2021

Documents are hosted by the registry — open the source record to download them.

10

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Ran from Aug 2019 to primary completion in Jun 2021, 22 months.

Results were first posted in Dec 2021, 5 months after primary completion.

Of 153 non-industry interventional studies with no phase under Anorexia Nervosa, half reached primary completion within 43 months of starting (the median), counting those still running; a quarter within 24 and three quarters within 61. This study's 22 months is below that.

Counting every sponsor, half of 153 studies reached it within 43 months; a quarter within 24 and three quarters within 61.

How these figures are worked out, and which studies are left out of them.

Registered
Jun 29, 2021
First posted
Jul 12, 2021
StartActual
Aug 1, 2019
Primary completionActual
Jun 18, 2021
CompletionActual
Aug 31, 2021
Results first posted
Dec 13, 2021
Last update
Jun 6, 2022
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Jun 6, 2022, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT04957498
Collaborators
McMaster University
Responsible party
James Dale Lock (Professor of Child Psychiatry and Pediatrics in the Department of Psychiatry and Behavioral Sciences and Director of the Eating Disorder Program for Children and Adolescents, Stanford University) — Principal investigator
First posted
Jul 12, 2021
Start date
Aug 1, 2019
Primary completion
Jun 18, 2021
Completion
Aug 31, 2021
Results posted
Dec 13, 2021
Last update
Jun 6, 2022

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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