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Topiramate Augmentation in Bulimia Nervosa Partial Responders

This study has been withdrawn prior to enrollment.
(Difficulty with enrollment.)
Information provided by (Responsible Party):
James Roerig, Neuropsychiatric Research Institute, Fargo, North Dakota Identifier:
First received: October 1, 2009
Last updated: July 13, 2015
Last verified: July 2015
The goal of this study is to generate pilot data exploring the addition of an augmentation (additional) medication to patients suffering from bulimia nervosa who have responded but not had complete symptom resolution with a course of standard medication treatment.

Condition Intervention Phase
Bulimia Nervosa
Drug: Topiramate
Phase 4

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: Topiramate Augmentation in Bulimia Nervosa Partial Responders

Resource links provided by NLM:

Further study details as provided by Neuropsychiatric Research Institute, Fargo, North Dakota:

Primary Outcome Measures:
  • Weekly number of binge eating episodes and purging episodes [ Time Frame: Weekly for 10 weeks ]

Secondary Outcome Measures:
  • Abstinence from BN symptoms [ Time Frame: Baseline and endpoint (week 1 and week 10) ]

Enrollment: 0
Study Start Date: September 2009
Estimated Study Completion Date: September 2010
Estimated Primary Completion Date: August 2010 (Final data collection date for primary outcome measure)
Intervention Details:
    Drug: Topiramate
    Topiramate titrated to 200mg/day over four weeks, for ten weeks
    Other Name: Topamax
Detailed Description:
The aim of this study is to determine whether the addition of an augmentation medication (topiramate 200mg/d) will confer additional reductions in symptomatology in BN patients who have received six weeks of standard pharmacological treatment with fluoxetine 60 mg/day or its equivalent and had a partial response but are not in symptomatic remission.

Ages Eligible for Study:   18 Years to 60 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Male or female subjects meeting Diagnostic and Statistical Manual IV edition (DSM-IV) diagnostic criteria for bulimia nervosa (BN).
  • Subjects must be between the ages of 18 and 60 years.
  • Subjects must currently demonstrate partial response to a standard BN pharmacotherapy treatment.
  • Women of child-bearing potential must be practicing an accepted method of birth control (barrier method or oral contraceptive) and have a negative pregnancy test at baseline.
  • Subjects must be of good general health by history, laboratory assessment and physical exam.
  • Subject's BMI must be >20 and <27 kg/m^2.

Exclusion Criteria:

  • Subjects who are allergic to topiramate.
  • Subjects who meet DSM-IV criteria for anorexia nervosa.
  • Women who are pregnant or nursing at the time of study.
  • Subjects experiencing clinically significant, unstable neurological, cardiac, hepatic or renal disease or narrow angle glaucoma.
  • Subjects with a history of nephrolithiasis.
  • Subjects with a serum potassium <3.0 mmol/L
  • Subjects cannot start psychotherapy during the study.
  • Subjects currently or with a past history of meeting DSM-IV diagnostic criteria for schizophrenia, schizoaffective disorder, or bipolar disorder.
  • Subjects receiving antipsychotic agents, mood stabilizers, antianxiety agents or other non-antidepressant psychotropic agent currently.
  • Subjects currently or with a history within the past year of meeting DSM-IV diagnostic criteria for substance abuse.
  • Subjects who are experiencing clinically significant suicidal ideation (subjects will be referred to appropriate caregiver).
  • Subjects who have participated in an investigational drug study in the past 30 days.
  • Subjects who are receiving any prescription medications other than oral contraceptives that will interact with any of the study medication.
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Please refer to this study by its identifier: NCT00988481

United States, North Dakota
Neuropsychiatric Research Institute (NRI)
Fargo, North Dakota, United States, 58103
Sponsors and Collaborators
Neuropsychiatric Research Institute, Fargo, North Dakota
Principal Investigator: James L Roerig, PharmD, BCPP Neuropsychiatric Research Institute, University of North Dakota
  More Information

Additional Information:
Responsible Party: James Roerig, Principal investigator, Neuropsychiatric Research Institute, Fargo, North Dakota Identifier: NCT00988481     History of Changes
Other Study ID Numbers: 200909-046
Study First Received: October 1, 2009
Last Updated: July 13, 2015

Keywords provided by Neuropsychiatric Research Institute, Fargo, North Dakota:
Bulimia Nervosa

Additional relevant MeSH terms:
Bulimia Nervosa
Signs and Symptoms, Digestive
Signs and Symptoms
Feeding and Eating Disorders
Mental Disorders
Neuroprotective Agents
Protective Agents
Physiological Effects of Drugs
Anti-Obesity Agents processed this record on May 25, 2017