NCT03926052

Brief Summary

This study will test the effectiveness of lisdexamfetamine (LDX) medication as a maintenance therapy for the treatment of binge-eating disorder (BED) in patients with obesity. This is a controlled test of whether, amongst responders to acute treatments, LDX medication results in superior maintenance and longer-term outcomes compared with placebo.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
61

participants targeted

Target at below P25 for phase_3

Timeline
Completed

Started Aug 2019

Longer than P75 for phase_3

Geographic Reach
1 country

1 active site

Status
completed

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

April 18, 2019

Completed
6 days until next milestone

First Posted

Study publicly available on registry

April 24, 2019

Completed
4 months until next milestone

Study Start

First participant enrolled

August 7, 2019

Completed
5.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 18, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 18, 2024

Completed
1.1 years until next milestone

Results Posted

Study results publicly available

December 17, 2025

Completed
Last Updated

December 17, 2025

Status Verified

November 1, 2025

Enrollment Period

5.3 years

First QC Date

April 18, 2019

Results QC Date

September 22, 2025

Last Update Submit

November 21, 2025

Conditions

Outcome Measures

Primary Outcomes (3)

  • Binge-Eating Relapse

    Relapse will be scored as a yes/no (categorical variable); this categorical variable will be based on frequency of binge-eating episodes assessed using the Eating Disorder Examination interview; Relapse category will be defined as ≥4 binge-eating episodes per month.

    12 weeks

  • Binge-Eating Relapse

    Relapse will be scored as a yes/no (categorical variable); this categorical variable will be based on frequency of binge-eating episodes assessed using the Eating Disorder Examination interview; Relapse category will be defined as ≥4 binge-eating episodes per month.

    6-month follow-up

  • Binge-Eating Relapse

    Relapse will be scored as a yes/no (categorical variable); this categorical variable will be based on frequency of binge-eating episodes assessed using the Eating Disorder Examination interview; Relapse category will be defined as ≥4 binge-eating episodes per month.

    12 month follow-up

Secondary Outcomes (12)

  • Change in Binge-Eating Frequency

    From baseline interview at study enrollment to 3 months after the 12-week treatment

  • Change in Binge-Eating Frequency

    From post-treatment to the 6-month follow-up

  • Change in Binge-Eating Frequency

    From post-treatment to the 12-month follow-up

  • Change in Eating-Disorder Psychopathology (Continuous)

    From baseline interview at study enrollment to 3 months after the 12-week treatment

  • Change in Eating-Disorder Psychopathology (Continuous)

    From post-treatment to the 6-month follow-up

  • +7 more secondary outcomes

Study Arms (2)

LDX

ACTIVE COMPARATOR
Drug: Lisdexamfetamine Dimesylate

Placebo

PLACEBO COMPARATOR
Drug: Placebo

Interventions

Participants randomly assigned to this arm will receive 12 weeks of LDX medication.

LDX

Participants randomly assigned to this arm will receive 12 weeks of an inactive placebo.

Placebo

Eligibility Criteria

Age18 Years - 64 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • to 64 years old
  • Meets DSM-5 criteria for binge-eating disorder
  • BMI 27-30 with a controlled obesity-related co-morbidity; or BMI ≥ 30 and \<50
  • Medically cleared as determined by EKG and medical record review
  • Available for the duration of the treatment and follow-up (18 months)
  • Read, comprehend, and write English at a sufficient level to complete study-related materials
  • Able to travel to study location (New Haven, CT) for weekly visits

You may not qualify if:

  • Previous history of problems with LDX or other stimulants
  • Current psychostimulant use or use of any medication for ADHD
  • Current use of study medications: LDX (Vyvanse), Bupropion (Wellbutrin, Zyban), Naltrexone, or Contrave
  • History of congenital heart disease, known structural cardiac abnormalities, cardiomyopathy, serious heart arrhythmia, coronary artery disease, cerebrovascular pathology including stroke, exertional chest pain, uncontrolled high blood pressure, and other serious heart problems.
  • History of severe renal, hepatic, neurological, or chronic pulmonary disease or other serious, unstable medical disorder.
  • Current uncontrolled hypertension
  • Current uncontrolled type I or II diabetes mellitus
  • Current uncontrolled thyroid illness
  • Gallbladder disease
  • Co-occurring severe mental illness requiring hospitalization or intensive treatment
  • Endorses current active suicidal or homicidal ideation with intent or plan
  • Predisposition to seizures
  • History of anorexia nervosa or bulimia nervosa, or currently regularly self-inducing vomiting
  • Currently taking MAOI, SSRI or strong inhibitors of CYP2D6
  • History of allergy or sensitivity to the study medication or stimulant medications
  • +6 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Yale Department of Psychiatry

New Haven, Connecticut, 06510, United States

Location

MeSH Terms

Conditions

Binge-Eating DisorderObesity

Interventions

Lisdexamfetamine Dimesylate

Condition Hierarchy (Ancestors)

Feeding and Eating DisordersMental DisordersOverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

DextroamphetamineAmphetamineAmphetaminesPhenethylaminesEthylaminesAminesOrganic Chemicals

Results Point of Contact

Title
Dr. Carlos Grilo
Organization
Yale University School of Medicine

Study Officials

  • Carlos M Grilo, Ph.D.

    Yale University

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 18, 2019

First Posted

April 24, 2019

Study Start

August 7, 2019

Primary Completion

November 18, 2024

Study Completion

November 18, 2024

Last Updated

December 17, 2025

Results First Posted

December 17, 2025

Record last verified: 2025-11

Data Sharing

IPD Sharing
Will not share

Locations