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SPD489 in Adults Aged 18-55 Years With Moderate to Severe Binge Eating Disorder

The SPD489-344, Phase 3, Multicenter, Randomized, Double-blind, Parallel-group, Placebo-controlled, Dose-optimization Study to Evaluate the Efficacy, Safety, and Tolerability of SPD489 in Adults Aged 18-55 Years With Moderate to Severe Binge Eating Disorder

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01718509
Enrollment
390
Registered
2012-10-31
Start date
2012-11-26
Completion date
2013-09-20
Last updated
2021-07-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Binge Eating Disorder

Brief summary

The primary objective of the study is to demonstrate the efficacy of SPD489 compared with placebo in adults (18 55 years of age inclusive) with moderate to severe Binge Eating Disorder at Visit 8 (Weeks 11 and 12) as measured by the number of binge days (defined as days during which at least 1 binge episode occurs) per week as assessed by clinical interview based on subject diary

Detailed description

Not Required

Interventions

50 or 70 mg administered orally, once-daily for up to 12 weeks

DRUGPlacebo

Administered once-daily, orally, for up to 12 weeks

Sponsors

Shire
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
No

Inclusion criteria

The subject cannot be enrolled in the study before all of the following inclusion criteria (including test results) are met: 1. Subject is between 18-55 years of age. 2. Subject meets the following Diagnostic and Statistical Manual of Mental Disorders Fourth Edition - Text Revision (DSM-IV-TR) criteria for a diagnosis of BED: 3. Subject has a BED diagnosis. 4. Subject's BED is of at least moderate severity with subjects reporting at least 3 binge eating days per week. 5. Female subjects must have a negative serum B-HCG pregnancy test and a negative urine pregnancy test and agree to comply with any applicable contraceptive requirements.

Exclusion criteria

Subjects are excluded from the study if any of the following

Design outcomes

Primary

MeasureTime frameDescription
Change From Baseline in the Number of Binge Days Per Week at Visit 8 Which Spans Weeks 11/12Baseline and Visit 8 Which Spans Weeks 11/12Binge days defined as days during which at least 1 binge episode occurred. As assessed by clinical interview based on subject binge diary.

Secondary

MeasureTime frameDescription
Percent of Participants With a 4-Week Cessation From Binge EatingUp to 12 weeks4-week cessation from binge eating is defined as no binge eating episodes for 28 consecutive days prior to the last study visit.
Percent Change From Baseline in Body Weight (kg) at Week 12Baseline and week 12
Change From Baseline in Yale-Brown Obsessive Compulsive Scale Modified for Binge Eating (Y-BOCS-BE) Total Score at Week 12Baseline and week 12The Y-BOCS-BE measures the obsession of binge-eating thoughts and compulsiveness of binge-eating behaviors. The scale is a clinician-rated, 10-item scale, each item rated from 0 (no symptoms) to 4 (extreme symptoms). Total scores range from 0 to 40. Reduction in total score indicates improvement.
Change From Baseline in Fasting Triglyceride Levels at Up to 12 WeeksBaseline and up to 12 weeks
Change From Baseline In Fasting Total Cholesterol Levels at Up to 12 WeeksBaseline and up to 12 weeks
Change From Baseline in Hemoglobin A1c Levels at Up to 12 WeeksBaseline and up to 12 weeks
Binge Eating ResponseUp to 12 weeksResponse is based on the reduction in the number of binge eating episodes. Responses were categorized as follows: -1-week Cessation = 100% reduction in binge episodes during the preceding 7 days -Marked Reduction = 99% to 75% reduction during the time since the previous visit -Moderate Reduction = 74% to 50% reduction during the time since the previous visit -Negative to Minimal Reduction = \<50% reduction during the time since the previous visit
Change From Baseline in the Number of Binge Episodes Per Week at Visit 8 Which Spans Weeks 11/12Baseline and Visit 8 Which Spans Weeks 11/12
Change From Baseline in Eating Inventory Scores at Week 12Baseline and week 12There are 36 true/false items, 14 items on a 4-point Likert scale (1=eat rarely to 4=always), and 1 item on a 6-point Likert scale (1=eat whatever you want to 6=constantly limiting food intake). Cognitive Restraint score ranges from 0-21. Hunger score ranges from 0-14. Disinhibition score ranges from 0-16. Higher scores denote higher levels of restrained eating, disinhibited eating and predisposition to hunger.
Percent of Participants With Improvement on Clinical Global Impression-Improvement (CGI-I) ScoresUp to 12 weeksClinical Global Impression-Improvement (CGI-I) consists of a 7-point scale ranging from 1 (very much improved) to 7 (very much worse). Improvement is defined as a score of 1 (very much improved) or 2 (much improved) on the scale.
Change From Baseline in Frontal Systems Behavior (FrSBe) Total Score at Up to 12 WeeksBaseline and up to 12 weeksThe FrSBe is a 46-item self-rating scale designed to measure the neurobehavioral traits associated with the 3 primary regions of the prefrontal cortex. Subjects were asked to indicate the frequency with which they have engaged in certain behaviors using a rating scale from 1 (almost never) to 5 (almost always). Summary scores were calculated and converted to t-score. A decrease from baseline in FrSBe total score represents improvement.
EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): MobilityUp to 12 weeksQuality of life was assessed using the EQ-5D-5L, which is one of the most widely used generic index measures of health-related quality of life. It consists of a 5-item descriptive system that measures 5 dimensions of health, including mobility, self-care, usual activities, pain/discomfort, and anxiety/depression.
EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Self-CareUp to 12 weeks
EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Usual ActivitiesUp to 12 weeks
EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Pain/DiscomfortUp to 12 weeks
EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Anxiety/DepressionUp to 12 weeks
Columbia-Suicide Severity Rating Scale (C-SSRS)Up to 12 weeksC-SSRS is a semi-structured interview that captures the occurence, severity, and frequency of suicide-related thoughts and behaviors during the assessment period. The interview includes definitions and suggested questions to solicit the type of information needed to determine if a suicide-related thought or behaviour occurred. The assessment is done by the nature of the responses, not by a numbered scale.
Change in Amphetamine Cessation Symptom Assessment (ACSA) Total Score From Baseline to Week 12.Baseline and Week 12ACSA scale has 16 symptom items rated on a scale from 0 (not at all) to 4 (extremely) with a possible total score range of 0 to 64. Higher scores indicate greater withdrawal symptom severity. Calculated as Baseline (Day 0) - Week 12 ACSA scores.
Change From Baseline in Binge Eating Scale (BES) Score at Week 12Baseline and week 12The BES is a self-reported questionnaire containing 16 items designed to assess behavioral, affective, and attitudinal components of the subjective experience of binge eating. Each item is assessed based on 1 of 4 responses, with 1 denoting that a subject has greater control over eating behavior and 4 denoting that a subject had less control over eating behavior. A total score (sum of the 16 items) may range from 16-64. A lower score indicates greater control over eating behavior.

Countries

Germany, United States

Participant flow

Participants by arm

ArmCount
PLACEBO185
SPD489181
Total366

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAdverse Event57
Overall StudyLack of Efficacy10
Overall StudyLost to Follow-up1815
Overall StudyOther1311
Overall StudyProtocol Violation42
Overall StudyWithdrawal by Subject713

Baseline characteristics

CharacteristicPLACEBOSPD489Total
Age, Continuous38.7 Years
STANDARD_DEVIATION 10.01
37.1 Years
STANDARD_DEVIATION 10
37.9 Years
STANDARD_DEVIATION 10.02
Age, Customized
< 40 years
90 Participants108 Participants198 Participants
Age, Customized
>= 40 years
95 Participants73 Participants168 Participants
Region of Enrollment
GERMANY
9 Participants11 Participants20 Participants
Region of Enrollment
UNITED STATES
176 Participants170 Participants346 Participants
Sex: Female, Male
Female
153 Participants159 Participants312 Participants
Sex: Female, Male
Male
32 Participants22 Participants54 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
43 / 185100 / 181
serious
Total, serious adverse events
2 / 1851 / 181

Outcome results

Primary

Change From Baseline in the Number of Binge Days Per Week at Visit 8 Which Spans Weeks 11/12

Binge days defined as days during which at least 1 binge episode occurred. As assessed by clinical interview based on subject binge diary.

Time frame: Baseline and Visit 8 Which Spans Weeks 11/12

Population: The Full Analysis Set was defined as all randomized subjects who took at least 1 dose of investigational product and who had 1 post-baseline primary efficacy assessment (i.e., number of binge days per week calculated for at least 1 week).

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PLACEBOChange From Baseline in the Number of Binge Days Per Week at Visit 8 Which Spans Weeks 11/12-2.26 Binge days per weekStandard Error 0.137
SPD489Change From Baseline in the Number of Binge Days Per Week at Visit 8 Which Spans Weeks 11/12-3.92 Binge days per weekStandard Error 0.135
p-value: <0.00195% CI: [-2.04, -1.28]Mixed Models Repeated Measures Analysis
Secondary

Binge Eating Response

Response is based on the reduction in the number of binge eating episodes. Responses were categorized as follows: -1-week Cessation = 100% reduction in binge episodes during the preceding 7 days -Marked Reduction = 99% to 75% reduction during the time since the previous visit -Moderate Reduction = 74% to 50% reduction during the time since the previous visit -Negative to Minimal Reduction = \<50% reduction during the time since the previous visit

Time frame: Up to 12 weeks

Population: Full Analysis Set. Not all subjects had data for this outcome.

ArmMeasureGroupValue (NUMBER)
PLACEBOBinge Eating Response1-week cessation23.9 percentage of participants
PLACEBOBinge Eating ResponseMarked reduction13.4 percentage of participants
PLACEBOBinge Eating ResponseModerate reduction19.7 percentage of participants
PLACEBOBinge Eating ResponseNegative to minimal reduction43.0 percentage of participants
SPD489Binge Eating ResponseNegative to minimal reduction4.8 percentage of participants
SPD489Binge Eating Response1-week cessation55.9 percentage of participants
SPD489Binge Eating ResponseModerate reduction16.6 percentage of participants
SPD489Binge Eating ResponseMarked reduction22.8 percentage of participants
p-value: <0.001Cochran-Mantel-Haenszel
Secondary

Change From Baseline in Binge Eating Scale (BES) Score at Week 12

The BES is a self-reported questionnaire containing 16 items designed to assess behavioral, affective, and attitudinal components of the subjective experience of binge eating. Each item is assessed based on 1 of 4 responses, with 1 denoting that a subject has greater control over eating behavior and 4 denoting that a subject had less control over eating behavior. A total score (sum of the 16 items) may range from 16-64. A lower score indicates greater control over eating behavior.

Time frame: Baseline and week 12

Population: Full Analysis Set.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PLACEBOChange From Baseline in Binge Eating Scale (BES) Score at Week 12-8.24 units on a scaleStandard Error 0.781
SPD489Change From Baseline in Binge Eating Scale (BES) Score at Week 12-17.52 units on a scaleStandard Error 0.771
p-value: <0.00195% CI: [-11.44, -7.12]Mixed Models Repeated Measures Analysis
Secondary

Change From Baseline in Eating Inventory Scores at Week 12

There are 36 true/false items, 14 items on a 4-point Likert scale (1=eat rarely to 4=always), and 1 item on a 6-point Likert scale (1=eat whatever you want to 6=constantly limiting food intake). Cognitive Restraint score ranges from 0-21. Hunger score ranges from 0-14. Disinhibition score ranges from 0-16. Higher scores denote higher levels of restrained eating, disinhibited eating and predisposition to hunger.

Time frame: Baseline and week 12

Population: Full Analysis Set.

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
PLACEBOChange From Baseline in Eating Inventory Scores at Week 12Cognitive Restraint of Eating2.44 units on a scaleStandard Error 0.352
PLACEBOChange From Baseline in Eating Inventory Scores at Week 12Disinhibition of Eating-2.01 units on a scaleStandard Error 0.305
PLACEBOChange From Baseline in Eating Inventory Scores at Week 12Perceived Hunger-1.93 units on a scaleStandard Error 0.318
SPD489Change From Baseline in Eating Inventory Scores at Week 12Cognitive Restraint of Eating3.71 units on a scaleStandard Error 0.347
SPD489Change From Baseline in Eating Inventory Scores at Week 12Disinhibition of Eating-5.61 units on a scaleStandard Error 0.3
SPD489Change From Baseline in Eating Inventory Scores at Week 12Perceived Hunger-6.14 units on a scaleStandard Error 0.313
Comparison: Cognitive Restraint of Eatingp-value: 0.01195% CI: [0.29, 2.24]Mixed Models Repeated Measures Analysis
Comparison: Disinhibition of Eatingp-value: <0.00195% CI: [-4.44, -2.76]Mixed Models Repeated Measures Analysis
Comparison: Perceived Hungerp-value: <0.00195% CI: [-5.09, -3.33]Mixed Models Repeated Measures Analysis
Secondary

Change From Baseline In Fasting Total Cholesterol Levels at Up to 12 Weeks

Time frame: Baseline and up to 12 weeks

Population: Full Analysis Set. Not all subjects had data for this outcome.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PLACEBOChange From Baseline In Fasting Total Cholesterol Levels at Up to 12 Weeks-0.126 mmol/LStandard Error 0.046
SPD489Change From Baseline In Fasting Total Cholesterol Levels at Up to 12 Weeks-0.204 mmol/LStandard Error 0.0456
p-value: 0.23495% CI: [-0.205, 0.05]ANCOVA
Secondary

Change From Baseline in Fasting Triglyceride Levels at Up to 12 Weeks

Time frame: Baseline and up to 12 weeks

Population: Full Analysis Set. Not all subjects had data for this outcome.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PLACEBOChange From Baseline in Fasting Triglyceride Levels at Up to 12 Weeks0.062 mmol/LStandard Error 0.0453
SPD489Change From Baseline in Fasting Triglyceride Levels at Up to 12 Weeks-0.133 mmol/LStandard Error 0.0449
p-value: 0.00295% CI: [-0.321, -0.07]ANCOVA
Secondary

Change From Baseline in Frontal Systems Behavior (FrSBe) Total Score at Up to 12 Weeks

The FrSBe is a 46-item self-rating scale designed to measure the neurobehavioral traits associated with the 3 primary regions of the prefrontal cortex. Subjects were asked to indicate the frequency with which they have engaged in certain behaviors using a rating scale from 1 (almost never) to 5 (almost always). Summary scores were calculated and converted to t-score. A decrease from baseline in FrSBe total score represents improvement.

Time frame: Baseline and up to 12 weeks

Population: Full Analysis Set. Not all subjects had data for this outcome.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PLACEBOChange From Baseline in Frontal Systems Behavior (FrSBe) Total Score at Up to 12 Weeks-3.09 t-scoresStandard Error 0.655
SPD489Change From Baseline in Frontal Systems Behavior (FrSBe) Total Score at Up to 12 Weeks-4.05 t-scoresStandard Error 0.644
p-value: 0.29895% CI: [-2.77, 0.85]ANCOVA
Secondary

Change From Baseline in Hemoglobin A1c Levels at Up to 12 Weeks

Time frame: Baseline and up to 12 weeks

Population: Full Analysis Set. Not all subjects had data for this outcome.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PLACEBOChange From Baseline in Hemoglobin A1c Levels at Up to 12 Weeks-0.02 PercentStandard Error 0.017
SPD489Change From Baseline in Hemoglobin A1c Levels at Up to 12 Weeks0.01 PercentStandard Error 0.017
p-value: 0.18595% CI: [-0.02, 0.08]ANCOVA
Secondary

Change From Baseline in the Number of Binge Episodes Per Week at Visit 8 Which Spans Weeks 11/12

Time frame: Baseline and Visit 8 Which Spans Weeks 11/12

Population: Full Analysis Set.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PLACEBOChange From Baseline in the Number of Binge Episodes Per Week at Visit 8 Which Spans Weeks 11/12-3.31 Binge episodes per weekStandard Error 0.194
SPD489Change From Baseline in the Number of Binge Episodes Per Week at Visit 8 Which Spans Weeks 11/12-5.54 Binge episodes per weekStandard Error 0.193
p-value: <0.00195% CI: [-2.77, -1.69]Mixed Models Repeated Measures Analysis
Secondary

Change From Baseline in Yale-Brown Obsessive Compulsive Scale Modified for Binge Eating (Y-BOCS-BE) Total Score at Week 12

The Y-BOCS-BE measures the obsession of binge-eating thoughts and compulsiveness of binge-eating behaviors. The scale is a clinician-rated, 10-item scale, each item rated from 0 (no symptoms) to 4 (extreme symptoms). Total scores range from 0 to 40. Reduction in total score indicates improvement.

Time frame: Baseline and week 12

Population: Full Analysis Set.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PLACEBOChange From Baseline in Yale-Brown Obsessive Compulsive Scale Modified for Binge Eating (Y-BOCS-BE) Total Score at Week 12-7.42 units on a scaleStandard Error 0.571
SPD489Change From Baseline in Yale-Brown Obsessive Compulsive Scale Modified for Binge Eating (Y-BOCS-BE) Total Score at Week 12-15.36 units on a scaleStandard Error 0.563
p-value: <0.00195% CI: [-9.51, -6.36]Mixed Models Repeated Measures Analysis
Secondary

Change in Amphetamine Cessation Symptom Assessment (ACSA) Total Score From Baseline to Week 12.

ACSA scale has 16 symptom items rated on a scale from 0 (not at all) to 4 (extremely) with a possible total score range of 0 to 64. Higher scores indicate greater withdrawal symptom severity. Calculated as Baseline (Day 0) - Week 12 ACSA scores.

Time frame: Baseline and Week 12

Population: Safety Analysis Set who completed ACSC at Baseline \& Week 12 Visits.

ArmMeasureValue (MEAN)Dispersion
PLACEBOChange in Amphetamine Cessation Symptom Assessment (ACSA) Total Score From Baseline to Week 12.7.0 units on a scaleStandard Deviation 7.69
SPD489Change in Amphetamine Cessation Symptom Assessment (ACSA) Total Score From Baseline to Week 12.4.6 units on a scaleStandard Deviation 5.83
Secondary

Columbia-Suicide Severity Rating Scale (C-SSRS)

C-SSRS is a semi-structured interview that captures the occurence, severity, and frequency of suicide-related thoughts and behaviors during the assessment period. The interview includes definitions and suggested questions to solicit the type of information needed to determine if a suicide-related thought or behaviour occurred. The assessment is done by the nature of the responses, not by a numbered scale.

Time frame: Up to 12 weeks

Population: For this Outcome Measure the Safety Analysis Set is defined as all randomized subjects who took at least 1 dose of investigational product and who had at least 1 post-baseline safety assessment completed, and responded to the relevant questions for the C-SSRS. All subjects from Site 015 were excluded from the Safety Analysis Set.

ArmMeasureGroupValue (NUMBER)
PLACEBOColumbia-Suicide Severity Rating Scale (C-SSRS)Suicidal ideation0 participants
PLACEBOColumbia-Suicide Severity Rating Scale (C-SSRS)Suicidal behavior0 participants
SPD489Columbia-Suicide Severity Rating Scale (C-SSRS)Suicidal ideation0 participants
SPD489Columbia-Suicide Severity Rating Scale (C-SSRS)Suicidal behavior0 participants
Secondary

EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Anxiety/Depression

Time frame: Up to 12 weeks

Population: Full Analysis Set. Not all subjects had data for this outcome.

ArmMeasureGroupValue (NUMBER)
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Anxiety/DepressionExtremely anxious or depressed1.2 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Anxiety/DepressionNot anxious or depressed69.6 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Anxiety/DepressionSlightly anxious or depressed23.2 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Anxiety/DepressionModerately anxious or depressed4.8 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Anxiety/DepressionSeverely anxious or depressed1.2 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Anxiety/DepressionSeverely anxious or depressed0 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Anxiety/DepressionModerately anxious or depressed2.4 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Anxiety/DepressionNot anxious or depressed76.3 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Anxiety/DepressionExtremely anxious or depressed0.6 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Anxiety/DepressionSlightly anxious or depressed20.7 percentage of participants
Secondary

EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Mobility

Quality of life was assessed using the EQ-5D-5L, which is one of the most widely used generic index measures of health-related quality of life. It consists of a 5-item descriptive system that measures 5 dimensions of health, including mobility, self-care, usual activities, pain/discomfort, and anxiety/depression.

Time frame: Up to 12 weeks

Population: Full Analysis Set. Not all subjects had data for this outcome.

ArmMeasureGroupValue (NUMBER)
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): MobilitySlight problems in walking about8.9 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): MobilitySevere problems walking about1.2 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): MobilityModerate problems walking about3.0 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): MobilityUnable to walk about0 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): MobilityNo problems in walking about86.9 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): MobilityUnable to walk about0 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): MobilityNo problems in walking about91.7 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): MobilitySlight problems in walking about7.1 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): MobilityModerate problems walking about0.6 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): MobilitySevere problems walking about0.6 percentage of participants
Secondary

EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Pain/Discomfort

Time frame: Up to 12 weeks

Population: Full Analysis Set. Not all subjects had data for this outcome.

ArmMeasureGroupValue (NUMBER)
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Pain/DiscomfortSlight pain or discomfort18.5 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Pain/DiscomfortSevere pain or discomfort3.0 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Pain/DiscomfortModerate pain or discomfort3.0 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Pain/DiscomfortExtreme pain or discomfort0 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Pain/DiscomfortNo pain or discomfort75.6 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Pain/DiscomfortExtreme pain or discomfort0.6 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Pain/DiscomfortNo pain or discomfort76.3 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Pain/DiscomfortSlight pain or discomfort20.1 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Pain/DiscomfortModerate pain or discomfort3.0 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Pain/DiscomfortSevere pain or discomfort0 percentage of participants
Secondary

EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Self-Care

Time frame: Up to 12 weeks

Population: Full Analysis Set. Not all subjects had data for this outcome.

ArmMeasureGroupValue (NUMBER)
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Self-CareSlight problems washing or dressing2.4 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Self-CareSevere problems washing or dressing0 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Self-CareModerate problems washing or dressing0.6 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Self-CareUnable to wash or dress0 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Self-CareNo problems washing or dressing97.0 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Self-CareUnable to wash or dress0 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Self-CareNo problems washing or dressing97.0 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Self-CareSlight problems washing or dressing3.0 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Self-CareModerate problems washing or dressing0 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Self-CareSevere problems washing or dressing0 percentage of participants
Secondary

EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Usual Activities

Time frame: Up to 12 weeks

Population: Full Analysis Set. Not all subjects had data for this outcome.

ArmMeasureGroupValue (NUMBER)
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Usual ActivitiesSlight problems dosin usual activities14.3 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Usual ActivitiesSevere problems doing usual activities0.6 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Usual ActivitiesModerate problems doing usual activities3.0 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Usual ActivitiesUnable to do usual activities0 percentage of participants
PLACEBOEuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Usual ActivitiesNo problems doing usual activities82.1 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Usual ActivitiesUnable to do usual activities0 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Usual ActivitiesNo problems doing usual activities89.9 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Usual ActivitiesSlight problems dosin usual activities8.3 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Usual ActivitiesModerate problems doing usual activities1.2 percentage of participants
SPD489EuroQoL Group 5-Dimension 5-Level Self-Report (EQ-5D-5L): Usual ActivitiesSevere problems doing usual activities0.6 percentage of participants
Secondary

Percent Change From Baseline in Body Weight (kg) at Week 12

Time frame: Baseline and week 12

Population: Full Analysis Set.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PLACEBOPercent Change From Baseline in Body Weight (kg) at Week 12-0.15 percentage changeStandard Error 0.353
SPD489Percent Change From Baseline in Body Weight (kg) at Week 12-5.57 percentage changeStandard Error 0.35
p-value: <0.00195% CI: [-6.39, -4.44]Mixed Models Repeated Measures Analysis
Secondary

Percent of Participants With a 4-Week Cessation From Binge Eating

4-week cessation from binge eating is defined as no binge eating episodes for 28 consecutive days prior to the last study visit.

Time frame: Up to 12 weeks

Population: Full Analysis Set

ArmMeasureValue (NUMBER)
PLACEBOPercent of Participants With a 4-Week Cessation From Binge Eating13.1 percentage of participants
SPD489Percent of Participants With a 4-Week Cessation From Binge Eating36.2 percentage of participants
p-value: <0.001Chi-squared
Secondary

Percent of Participants With Improvement on Clinical Global Impression-Improvement (CGI-I) Scores

Clinical Global Impression-Improvement (CGI-I) consists of a 7-point scale ranging from 1 (very much improved) to 7 (very much worse). Improvement is defined as a score of 1 (very much improved) or 2 (much improved) on the scale.

Time frame: Up to 12 weeks

Population: Full Analysis Set

ArmMeasureValue (NUMBER)
PLACEBOPercent of Participants With Improvement on Clinical Global Impression-Improvement (CGI-I) Scores42.9 percentage of participants
SPD489Percent of Participants With Improvement on Clinical Global Impression-Improvement (CGI-I) Scores86.2 percentage of participants
p-value: <0.001Chi-squared

Source: ClinicalTrials.gov · Data processed: Mar 7, 2026