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Bulimia NervosaNCT02940613

Using Visual Feedback to Influence Rapid Response in the Treatment of Eating Disorders

A study testing Visual feedback of symptom frequency in people with Bulimia Nervosa and Binge Eating Disorder, run by St. Joseph's Healthcare Hamilton at 1 site in Canada.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

This study has two aims: 1) to test the validity of an eating disorder symptom checklist against an established clinical interview; and 2) to examine whether providing eating disorder patients with visual graphs of their symptom frequency in the early sessions of active treatment will lead to higher numbers of… Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Bulimia Nervosa, Binge Eating Disorder
What is being tested?
Visual feedback of symptom frequency
Could I receive a placebo?
No, everyone receives an active treatment
How many people
80 participants
Where
1 siteCanada
Study dates
Dec 2016to 20 Mar 2020
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • BMI (Body Mass Index) over 19
  • Diagnosis of Bulimia Nervosa, Binge Eating Disorder, or Other Specified Feeding and Eating Disorder (OSFED) Purging Disorder.

Who cannot join

  • BMI below 19

Trial locations and contacts

1 site in 1 country.

Canada1 site
  • St. Joseph's Healthcare

    Hamilton, Ontario, L8N 4A6

Other trials in Canada

About this study

Official title: Do Visuals of Symptom Change Increase Rates of Rapid Response in First Weeks of CBT for Eating Disorders?

This study has two aims: 1) to test the validity of an eating disorder symptom checklist against an established clinical interview; and 2) to examine whether providing eating disorder patients with visual graphs of their symptom frequency in the early sessions of active treatment will lead to higher numbers of patients achieving a "rapid response" (65% reduction in symptoms in the first 4 weeks of treatment). Groups where patients receive visual graphs of symptom frequency will be compared with groups where patients do not receive visual graphs of symptom frequency on rates of rapid response to cognitive behavior treatment for eating disorders.

Read the detailed description

There is a growing body of research indicating that the best predictor of treatment outcome for eating disorders is a "rapid response" - or a 65% drop in symptoms such as binge eating or purging - in the first four weeks of Cognitive Behavior Treatment (CBT). Research is only now beginning to look at whether it is possible to increase the number of rapid responders by directly encouraging this behavior in patients. This study has two aims: 1) to validate information obtained about symptoms in a Weekly Symptom Checklist (WSC) against information obtained in clinical interview; and 2) to examine whether, in a context where rapid response is being discussed and actively encouraged, the rates of rapid response can be improved by providing patients with visual of symptom change in the first weeks of treatment. Investigators hypothesize that there will be significant correspondence between the WSC and clinical interview. Investigators also hypothesize that being given a visual of symptom change in the first weeks of treatment will result in higher rates of rapid response in patients being encouraged to achieve these objectives; and that rapid response will be related to higher rates of symptom remission at the end of treatment. Participants will be 40 patients diagnosed with Bulimia Nervosa, Binge Eating Disorder or Purging Disorder. These patients will be spread across 6 treatment groups. Three groups will be randomly selected (balanced across clinicians) to either receive or not receive visual feedback on change in frequency of symptoms based on their responses to the Weekly Symptom Checklist (WSC).

Being tested
Visual feedback of symptom frequency
Keywords
Rapid response, Eating Disorders, Cognitive Behavior Therapy, Bulimia Nervosa, Binge Eating Disorder, Purging Disorder
Medical subject headings
Bulimia Nervosa, Binge-Eating Disorder, Feeding and Eating Disorders

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Visual feedback of symptom frequencyBehavioural

    Participants receive visual feedback of their symptom frequency over the first 4 weeks of active treatment, based on information they provide on a symptom checklist.

Study groups in NCT02940613
Study groupRoleWhat they receive
Visual feedback of symptom frequencyExperimentalParticipants in this arm receive visual feedback of their symptom frequency over the first 4 weeks of active treatment, based on information they provide on a symptom checklist.
Receives: Behavioral: Visual feedback of symptom frequency
No visual feedback of symptom frequencyNo interventionParticipants in this arm complete the symptom checklist as is typically done during treatment, but receive no visual feedback of their self-reported symptom frequency over the first 4 weeks of active treatment.

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change in eating disorder symptoms from baseline

    Symptoms will be measured using a Weekly Symptom Checklist which asks participants to indicate frequency of the previous week's eating disorder symptoms (regular eating, objective and subjective binge eating, various methods of purging).

    Measured: Administered weekly up to week 25 (end of group treatment)

Secondary outcomes (1)
  1. The behavioral section of the Eating Disorders Examination (EDE)

    The behavioural section of the Eating Disorders Examination (EDE) will be modified to focus on the 28-day period directly prior to the assessment, rather than the prior 3 months as is typical. The behavioural section of the EDE assesses frequency of regular eating (i.e., meals and snacks) and frequency of eating disorder behaviours such as objective binge eating episodes, subjective binge eating episodes, frequency of self-induced vomiting, laxative use, diuretic use, and frequency and duration of exercise for compensatory or weight control purposes.

    Measured: At week 6, 10, and up to 25 weeks (end of group treatment)

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted21 Oct 2016 (estimated)
  2. Study startDec 2016
  3. Primary completion20 Mar 2020
  4. Study completion20 Mar 2020

Why it stopped: Due to COVID-19 pandemic, patients stopped attending treatment in person. Patients have not returned to in-person treatment, and there is no plan for this to occur. The study could not be conducted virtually in secure manner.

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
80 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02940613
Sponsor's protocol ID
STJOES2016PAC
Status last verified
Sep 2025
First submitted
18 Oct 2016
Last updated
6 Oct 2025
Results posted
No
Data monitoring committee
No
Individual data sharing
No: For reasons of confidentiality, only aggregated data will be made available.

Publications

  • Fairburn CG, Agras WS, Walsh BT, Wilson GT, Stice E. Prediction of outcome in bulimia nervosa by early change in treatment. Am J Psychiatry. 2004 Dec;161(12):2322-4. doi: 10.1176/appi.ajp.161.12.2322.

    PubMed 15569910
  • Agras WS, Crow SJ, Halmi KA, Mitchell JE, Wilson GT, Kraemer HC. Outcome predictors for the cognitive behavior treatment of bulimia nervosa: data from a multisite study. Am J Psychiatry. 2000 Aug;157(8):1302-8. doi: 10.1176/appi.ajp.157.8.1302.

    PubMed 10910795
  • Bulik CM, Sullivan PF, Carter FA, McIntosh VV, Joyce PR. Predictors of rapid and sustained response to cognitive-behavioral therapy for bulimia nervosa. Int J Eat Disord. 1999 Sep;26(2):137-44. doi: 10.1002/(sici)1098-108x(199909)26:23.0.co;2-n.

    PubMed 10422602
  • Fairburn CG, Beglin SJ. Assessment of eating disorders: interview or self-report questionnaire? Int J Eat Disord. 1994 Dec;16(4):363-70.

    PubMed 7866415
  • Grilo CM, Masheb RM. Rapid response predicts binge eating and weight loss in binge eating disorder: findings from a controlled trial of orlistat with guided self-help cognitive behavioral therapy. Behav Res Ther. 2007 Nov;45(11):2537-50. doi: 10.1016/j.brat.2007.05.010. Epub 2007 Jun 7.

    PubMed 17659254
  • Grilo CM, Masheb RM, Wilson GT. Rapid response to treatment for binge eating disorder. J Consult Clin Psychol. 2006 Jun;74(3):602-13. doi: 10.1037/0022-006X.74.3.602.

    PubMed 16822116
  • Grilo CM, White MA, Wilson GT, Gueorguieva R, Masheb RM. Rapid response predicts 12-month post-treatment outcomes in binge-eating disorder: theoretical and clinical implications. Psychol Med. 2012 Apr;42(4):807-17. doi: 10.1017/S0033291711001875. Epub 2011 Sep 16.

    PubMed 21923964
  • Grilo CM, White MA, Masheb RM, Gueorguieva R. Predicting meaningful outcomes to medication and self-help treatments for binge-eating disorder in primary care: The significance of early rapid response. J Consult Clin Psychol. 2015 Apr;83(2):387-94. doi: 10.1037/a0038635. Epub 2015 Jan 26.

    PubMed 25622201
  • MacDonald DE, Trottier K, McFarlane T, Olmsted MP. Empirically defining rapid response to intensive treatment to maximize prognostic utility for bulimia nervosa and purging disorder. Behav Res Ther. 2015 May;68:48-53. doi: 10.1016/j.brat.2015.03.007. Epub 2015 Mar 17.

    PubMed 25800137
  • Masheb RM, Grilo CM. Rapid response predicts treatment outcomes in binge eating disorder: implications for stepped care. J Consult Clin Psychol. 2007 Aug;75(4):639-44. doi: 10.1037/0022-006X.75.4.639.

    PubMed 17663617
  • McFarlane TL, MacDonald DE, Royal S, Olmsted MP. Rapid and slow responders to eating disorder treatment: a comparison on clinically relevant variables. Int J Eat Disord. 2013 Sep;46(6):563-6. doi: 10.1002/eat.22136. Epub 2013 Apr 12.

    PubMed 23580395
  • McFarlane T, Olmsted MP, Trottier K. Timing and prediction of relapse in a transdiagnostic eating disorder sample. Int J Eat Disord. 2008 Nov;41(7):587-93. doi: 10.1002/eat.20550.

    PubMed 18473336
  • Olmsted MP, Kaplan AS, Rockert W, Jacobsen M. Rapid responders to intensive treatment of bulimia nervosa. Int J Eat Disord. 1996 Apr;19(3):279-85. doi: 10.1002/(SICI)1098-108X(199604)19:33.0.CO;2-J.

    PubMed 8704727
  • Olmsted MP, MacDonald DE, McFarlane T, Trottier K, Colton P. Predictors of rapid relapse in bulimia nervosa. Int J Eat Disord. 2015 Apr;48(3):337-40. doi: 10.1002/eat.22380. Epub 2014 Dec 26.

    PubMed 25545720
  • Raykos BC, Watson HJ, Fursland A, Byrne SM, Nathan P. Prognostic value of rapid response to enhanced cognitive behavioral therapy in a routine clinic sample of eating disorder outpatients. Int J Eat Disord. 2013 Dec;46(8):764-70. doi: 10.1002/eat.22169. Epub 2013 Aug 5.

    PubMed 23913536

Questions about this trial

What is this clinical trial studying?

A study testing Visual feedback of symptom frequency in people with Bulimia Nervosa and Binge Eating Disorder, run by St. Joseph's Healthcare Hamilton at 1 site in Canada.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 6 Oct 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Canada. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study was stopped early (reason given: Due to COVID-19 pandemic, patients stopped attending treatment in person. Patients have not returned to in-person treatment, and there is no plan for this to occur. The study could not be conducted virtually in secure manner.). Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change in eating disorder symptoms from baseline (time frame: Administered weekly up to week 25 (end of group treatment)). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02940613, which also lists 20 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 6 Oct 2025.

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