← Trials/Trial dossier/NCT00673387

CompletedPhase 2Results posted

Study to Examine Safety, Tolerability, and Effect on Body Weight of Metreleptin Administered in Conjunction With Pramlintide in Obese and Overweight Subjects

A Randomized, Double-Blind, Placebo-Controlled, Dose-Ranging Study to Examine the Safety, Tolerability, and Effect on Body Weight of Metreleptin Administered in Conjunction With Pramlintide in Obese and Overweight Subjects.

Lead sponsor

AstraZeneca

Asset

Pramlintide

Subcutaneous · Amylin analog

Listed sites

36

Recruiting sites

Enrollment

636

actual

Study population

Obesity / overweight

Key I/E criterion

BMI 30-35

Primary endpoint

Body weight, % change

Footprint

Where this trial recruits

Site locations as reported to ClinicalTrials.gov. Site count is not enrollment count; per-site enrollment is not available from source.

Identifiers

Registered as

NCT IDNCT00673387
Org study IDDFA102

Timeline

Milestones

Study first posted2008-05-07estimated
Results first posted2013-11-14estimated
Last update posted2015-04-15estimated
Study start2008-04 (month precision)
Primary completion2009-04actual (month precision)
Study completion2009-10actual (month precision)

Assets

Investigational agents

Study populations

Who this study enrolls

Obesity / overweight

Eligibility

Who can enroll

Minimum age18 Years
Maximum age65 Years
SexAll
Healthy volunteersNot accepted

Inclusion criteria

18 to 65 years old.
Is obese (Body Mass Index [BMI]>=30kg/m^2 and <=35kg/m^2); or overweight (BMI>=27kg/m^2 and <30kg/m^2.
Has stable body weight, i.e., not varying by >3% within 3 months prior to study.
Has not been treated over the past 3 months or is currently treated with any of the following medications: Oral contraceptives (female subjects); Hormone replacement therapy (female subjects); Metformin for the treatment of polycystic ovary syndrome (female subjects); Antihypertensive agents; Lipid-lowering agents; Thyroid replacement therapy; selective serotonin reuptake inhibitors (SSRIs).
Is comfortable with having repeated telephone contacts with a lifestyle counselor during the study.
Is a nonsmoker (has not smoked for at least 6 months prior to the study).

Exclusion criteria

Has a medical history (e.g., morbid childhood obesity) and/or physical characteristics suggestive of genetic obesity or syndromatic obesity (e.g., Prader-Willi syndrome, Bardet-Biedl syndrome).
Is currently enrolled or plans to enroll in a diet, weight loss, or exercise program with the specific intent of losing weight (subjects who have been following an exercise regimen resulting in stable weight maintenance for at least 2 months prior to enrollment are eligible for study inclusion)
Has been treated over the past 2 months, is currently treated, or is expected to require or undergo treatment with *antiobesity agents (prescription or over-the-counter), *antipsychotic agents, *antiepileptic agents, *antidepressant agents, *drugs that directly affect gastrointestinal motility, *antidiabetic medications.
Has previously received treatment with metreleptin or pramlintide in a clinical study or has received prior treatment with pramlintide (SYMLIN®).
Has received any investigational drug within 30 days or within a period corresponding to 5 half-lives of that drug, whichever is greater, prior to this study starting.
Has had a major surgery or a blood transfusion, or has donated blood over the past 2 months or is planning to donate blood during the study.
Has had liposuction, abdominoplasty, or similar procedure over the past year or is planning to have such a procedure during the study.

Endpoints (27)

What's being measured

Protocol endpoints and posted registry outcome measures, grouped into outcome categories. Composite endpoints show their component event types. Standard codes (LOINC, SNOMED CT) are shown where available.

Coverage by outcome category

Weight & body composition
7
Patient-reported / QoL
7
Safety / tolerability / PK
7
Cardiometabolic biomarkers
5
Glycemic / diabetes
1

Weight & body composition

7 endpoints
Primary/protocol endpoint

Least Squares (LS) Mean Percent Change in Body Weight From Baseline to Week 28 - Evaluable Population

Time frame:Baseline to Week 28

Body weight, % change

percent change from baseline, improvement

Posted result

GroupValue (least_squares_mean), Percentage change in kg95% CI
Placebo-2.01-3.76 – -0.26
Pramlintide 360 mcg-5.47-7.19 – -3.76
Metreleptin 5.0 mg-5.83-7.72 – -3.95
Pramlintide 180 mcg + Metreleptin 2.5 mg-6.85-8.61 – -5.08
Pramlintide 180 mcg + Metreleptin 5.0 mg-6.61-8.41 – -4.82
Pramlintide 360 mcg + Metreleptin 1.25 mg-6.39-8.18 – -4.59
Pramlintide 360 mcg + Metreleptin 2.5 mg-6.98-8.79 – -5.17
Pramlintide 360 mcg + Metreleptin 5.0 mg-7.02-8.94 – -5.10
p<0.0001t-test, 2 sided
p0.0002t-test, 2 sided
p0.0004t-test, 2 sided
p<0.0001t-test, 2 sided
p0.0001t-test, 2 sided
p0.2510t-test, 2 sided
p0.3433t-test, 2 sided
p0.4503t-test, 2 sided
p0.2122t-test, 2 sided
p0.2232t-test, 2 sided
p0.4207t-test, 2 sided
p0.5375t-test, 2 sided
p0.6633t-test, 2 sided
p0.3667t-test, 2 sided
p0.3720t-test, 2 sided
Secondary/protocol endpoint

Number of Participants Achieving at Least 5% and at Least 10% Body Weight Loss From Baseline to Week 28 - Evaluable Population

Time frame:Baseline to Week 28

threshold achievement, improvement

components≥5% weight-loss responders, ≥10% weight-loss responders

Posted result

GroupValue (number), participants95% CI
PlaceboWeight Loss >=5%10
Weight Loss >=5% and <10%7
Weight Loss >=10%3
Weight Gain17
No Weight Change or Weight Loss <5%20
Pramlintide 360 mcgWeight Loss >=5%27
Weight Loss >=5% and <10%14
Weight Loss >=10%13
Weight Gain7
No Weight Change or Weight Loss <5%17
Metreleptin 5.0 mgWeight Loss >=5%18
Weight Loss >=5% and <10%6
Weight Loss >=10%12
Weight Gain7
No Weight Change or Weight Loss <5%16
Pramlintide 180 mcg + Metreleptin 2.5 mgWeight Loss >=5%27
Weight Loss >=5% and <10%14
Weight Loss >=10%13
Weight Gain4
No Weight Change or Weight Loss <5%16
Pramlintide 180 mcg + Metreleptin 5.0 mgWeight Loss >=5%27
Weight Loss >=5% and <10%15
Weight Loss >=10%12
Weight Gain8
No Weight Change or Weight Loss <5%11
Pramlintide 360 mcg + Metreleptin 1.25 mgWeight Loss >=5%23
Weight Loss >=5% and <10%15
Weight Loss >=10%8
Weight Gain5
No Weight Change or Weight Loss <5%17
Pramlintide 360 mcg + Metreleptin 2.5 mgWeight Loss >=5%29
Weight Loss >=5% and <10%15
Weight Loss >=10%14
Weight Gain4
No Weight Change or Weight Loss <5%12
Pramlintide 360 mcg + Metreleptin 5.0 mgWeight Loss >=5%25
Weight Loss >=5% and <10%12
Weight Loss >=10%13
Weight Gain3
No Weight Change or Weight Loss <5%10
Secondary/protocol endpoint

LS Mean Absolute Change in Body Weight From Baseline to Weeks 4, 12, and 28 - Evaluable Population

Time frame:Baseline to Week 28

Body weight, absolute change (kg)

change from baseline, improvement

Posted result

GroupValue (least_squares_mean), kg95% CI
PlaceboChange at Week 4-1.81-2.38 – -1.24
Change at Week 12-3.39-4.50 – -2.28
Change at Week 28-2.04-3.82 – -0.26
Pramlintide 360 mcgChange at Week 4-2.85-3.41 – -2.29
Change at Week 12-4.90-5.97 – -3.83
Change at Week 28-5.66-7.40 – -3.92
Metreleptin 5.0 mgChange at Week 4-2.54-3.15 – -1.92
Change at Week 12-5.13-6.31 – -3.95
Change at Week 28-6.18-8.10 – -4.27
Pramlintide 180 mcg + Metreleptin 2.5 mgChange at Week 4-2.94-3.51 – -2.36
Change at Week 12-5.52-6.63 – -4.42
Change at Week 28-6.96-8.75 – -5.17
Pramlintide 180 mcg + Metreleptin 5.0 mgChange at Week 4-2.40-2.99 – -1.82
Change at Week 12-4.53-5.65 – -4.41
Change at Week 28-6.55-8.38 – -4.72
Pramlintide 360 mcg + Metreleptin 1.25 mgChange at Week 4-2.62-3.21 – -2.04
Change at Week 12-5.52-6.64 – -4.40
Change at Week 28-6.38-8.20 – -4.56
Pramlintide 360 mcg + Metreleptin 2.5 mgChange at Week 4-3.21-3.80 – -2.62
Change at Week 12-5.88-7.02 – -4.75
Change at Week 28-7.18-9.03 – -5.34
Pramlintide 360 mcg + Metreleptin 5.0 mgChange at Week 4-3.32-3.95 – -2.69
Change at Week 12-6.12-7.32 – -4.92
Change at Week 28-6.97-8.92 – -5.02
Secondary/protocol endpoint

LS Mean Change in Waist Circumference From Baseline to Week 12 and Week 28 - Evaluable Population

Time frame:Baseline to Weeks 12 and Week 28

Waist circumference, change

change from baseline, improvement

Posted result

GroupValue (least_squares_mean), cm95% CI
PlaceboChange at Week 12-3.03
Change at Week 28-2.54
Pramlintide 360 mcgChange at Week 12-3.40
Change at Week 28-3.95
Metreleptin 5.0 mgChange at Week 12-3.41
Change at Week 28-3.86
Pramlintide 180 mcg + Metreleptin 2.5 mgChange at Week 12-4.91
Change at Week 28-5.48
Pramlintide 180 mcg + Metreleptin 5.0 mgChange at Week 12-4.29
Change at Week 28-5.75
Pramlintide 360 mcg + Metreleptin 1.25 mgChange at Week 12-3.32
Change at Week 28-4.70
Pramlintide 360 mcg + Metreleptin 2.5 mgChange at Week 12-4.63
Change at Week 28-5.52
Pramlintide 360 mcg + Metreleptin 5.0 mgChange at Week 12-5.23
Change at Week 28-6.53
p0.0404t-test, 2 sided

Change at Week 28 based on a general linear model with factors for treatment group, sex, baseline BMI category, and baseline value as a covariate

p0.0265t-test, 2 sided

Change at Week 28 based on a general linear model with factors for treatment group, sex, baseline BMI category, and baseline value as a covariate.

p0.1357t-test, 2 sided

Change at Week 28 based on a general linear model with factors for treatment group, sex, baseline BMI category, and baseline value as a covariate.

p0.0409t-test, 2 sided

Change at Week 28 based on a general linear model with factors for treatment group, sex, baseline BMI category, and baseline value as a covariate.

p0.0082t-test, 2 sided

Change at Week 28 based on a general linear model with factors for treatment group, sex, baseline BMI category, and baseline value as a covariate.

Secondary/protocol endpoint

Least Squares (LS) Mean Absolute Change From Baseline to Week 28 in Percent of Body Fat - Evaluable Population

Time frame:Baseline to Week 28

Total fat mass

change from baseline, improvement

Posted result

GroupValue (least_squares_mean), percentage of body fat95% CI
Placebo-0.95
Pramlintide 360 mcg-1.77
Metreleptin 5.0 mg-1.94
Pramlintide 180 mcg + Metreleptin 2.5 mg-2.32
Pramlintide 180 mcg + Metreleptin 5.0 mg-2.21
Pramlintide 360 mcg + Metreleptin 1.25 mg-2.21
Pramlintide 360 mcg + Metreleptin 2.5 mg-1.56
Pramlintide 360 mcg + Metreleptin 5.0 mg-2.46
p0.0464t-test, 2 sided

Based on a general linear model general linear model that includes baseline value and factors for treatment group, sex, baseline BMI category (\<35 kg/m2, 35 to \<40 kg/m2, ≥40 kg/m2).

p0.0647t-test, 2 sided

Based on a general linear model general linear model that includes baseline value and factors for treatment group, sex, baseline BMI category (\<35 kg/m2, 35 to \<40 kg/m2, ≥40 kg/m2).

p0.0690t-test, 2 sided

Based on a general linear model general linear model that includes baseline value and factors for treatment group, sex, baseline BMI category (\<35 kg/m2, 35 to \<40 kg/m2, ≥40 kg/m2).

p0.3717t-test, 2 sided

Based on a general linear model general linear model that includes baseline value and factors for treatment group, sex, baseline BMI category (\<35 kg/m2, 35 to \<40 kg/m2, ≥40 kg/m2).

p0.0327t-test, 2 sided

Based on a general linear model general linear model that includes baseline value and factors for treatment group, sex, baseline BMI category (\<35 kg/m2, 35 to \<40 kg/m2, ≥40 kg/m2).

Secondary/protocol endpoint

LS Mean Absolute Change From Baseline to Week 28 in Total Body Fat Mass (k) - Evaluable Population

Time frame:Baseline to Week 28

Total fat mass

change from baseline, improvement

Posted result

GroupValue (least_squares_mean), kg95% CI
Placebo-1.96
Pramlintide 360 mcg-4.28
Metreleptin 5.0 mg-4.57
Pramlintide 180 mcg + Metreleptin 2.5 mg-4.98
Pramlintide 180 mcg + Metreleptin 5.0 mg-4.97
Pramlintide 360 mcg + Metreleptin 1.25 mg-5.03
Pramlintide 360 mcg + Metreleptin 2.5 mg-4.35
Pramlintide 360 mcg + Metreleptin 5.0 mg-5.51
p0.0049t-test, 2 sided

Based on a general linear model general linear model that includes baseline value and factors for treatment group, sex, baseline BMI category (\<35 kg/m2, 35 to \<40 kg/m2, ≥40 kg/m2).

p0.0047t-test, 2 sided

Based on a general linear model general linear model that includes baseline value and factors for treatment group, sex, baseline BMI category (\<35 kg/m2, 35 to \<40 kg/m2, ≥40 kg/m2).

p0.0046t-test, 2 sided

Based on a general linear model general linear model that includes baseline value and factors for treatment group, sex, baseline BMI category (\<35 kg/m2, 35 to \<40 kg/m2, ≥40 kg/m2).

p0.0257t-test, 2 sided

Based on a general linear model general linear model that includes baseline value and factors for treatment group, sex, baseline BMI category (\<35 kg/m2, 35 to \<40 kg/m2, ≥40 kg/m2).

p0.0014t-test, 2 sided

Based on a general linear model general linear model that includes baseline value and factors for treatment group, sex, baseline BMI category (\<35 kg/m2, 35 to \<40 kg/m2, ≥40 kg/m2).

Secondary/protocol endpoint

LS Mean Absolute Change From Baseline to Week 28 in Fat-free Mass (kg) - Evaluable Population

Time frame:Baseline to Week 28

Lean mass

change from baseline, improvement

Posted result

GroupValue (least_squares_mean), kg95% CI
Placebo-0.69
Pramlintide 360 mcg-1.62
Metreleptin 5.0 mg-1.80
Pramlintide 180 mcg + Metreleptin 2.5 mg-1.90
Pramlintide 180 mcg + Metreleptin 5.0 mg-1.99
Pramlintide 360 mcg + Metreleptin 1.25 mg-2.02
Pramlintide 360 mcg + Metreleptin 2.5 mg-2.11
Pramlintide 360 mcg + Metreleptin 5.0 mg-2.29
p0.0222t-test, 2 sided

Based on a general linear model general linear model that includes baseline value and factors for treatment group, sex, baseline BMI category (\<35 kg/m2, 35 to \<40 kg/m2, ≥40 kg/m2).

p0.0128t-test, 2 sided

Based on a general linear model general linear model that includes baseline value and factors for treatment group, sex, baseline BMI category (\<35 kg/m2, 35 to \<40 kg/m2, ≥40 kg/m2).

p0.0122t-test, 2 sided

Based on a general linear model general linear model that includes baseline value and factors for treatment group, sex, baseline BMI category (\<35 kg/m2, 35 to \<40 kg/m2, ≥40 kg/m2).

p0.0073t-test, 2 sided

Based on a general linear model general linear model that includes baseline value and factors for treatment group, sex, baseline BMI category (\<35 kg/m2, 35 to \<40 kg/m2, ≥40 kg/m2).

p0.0034t-test, 2 sided

Based on a general linear model general linear model that includes baseline value and factors for treatment group, sex, baseline BMI category (\<35 kg/m2, 35 to \<40 kg/m2, ≥40 kg/m2).

Glycemic / diabetes

1 endpoint
Secondary/protocol endpoint

Mean Absolute Change From Baseline to Week 28 for Insulin - Evaluable Population

Time frame:Baseline to Week 28

change from baseline, improvement

Posted result

GroupValue (least_squares_mean), µIU/mL95% CI
Placebo1.1
Pramlintide 360 mcg-0.4
Metreleptin 5.0 mg-1.6
Pramlintide 180 mcg + Metreleptin 2.5 mg-1.0
Pramlintide 180 mcg + Metreleptin 5.0 mg-2.5
Pramlintide 360 mcg + Metreleptin 1.25 mg-1.4
Pramlintide 360 mcg + Metreleptin 2.5 mg-0.8
Pramlintide 360 mcg + Metreleptin 5.0 mg-0.5

Cardiometabolic biomarkers

5 endpoints
Secondary/protocol endpoint

Mean Absolute Change From Baseline to Weeks 4, 12, 28 in Mean Trough Concentration of Total Leptin - Evaluable Population

Time frame:Baseline to Week 28

Leptin, change

change from baseline, improvement

Posted result

GroupValue (mean), ng/mL95% CI
Metreleptin 5.0 mgChange from baseline at Week 453.26
Change from baseline at Week 12386.48
Change from baseline at Week 28557.22
Pramlintide 180 mcg + Metreleptin 2.5 mgChange from baseline at Week 431.00
Change from baseline at Week 12167.62
Change from baseline at Week 28373.64
Pramlintide 180 mcg + Metreleptin 5.0 mgChange from baseline at Week 447.82
Change from baseline at Week 12353.61
Change from baseline at Week 28487.17
Pramlintide 360 mcg + Metreleptin 1.25 mgChange from baseline at Week 4-2.36
Change from baseline at Week 1253.76
Change from baseline at Week 28105.96
Pramlintide 360 mcg + Metreleptin 2.5 mgChange from baseline at Week 414.66
Change from baseline at Week 12165.65
Change from baseline at Week 28266.02
Pramlintide 360 mcg + Metreleptin 5.0 mgChange from baseline at Week 449.16
Change from baseline at Week 12399.74
Change from baseline at Week 28393.06
Secondary/protocol endpoint

LS Mean Absolute Change From Baseline to Week 28 in Fasting Plasma Glucose, Total Cholesterol (TC), Triglycerides, Low Density Lipoprotein (LDL) Cholesterol, High Density Lipoprotein (HDL) Cholesterol - Evaluable Population

Time frame:Baseline to Week 28

change from baseline, improvement

componentsFasting glucose, change, Total cholesterol, change, Triglycerides, change, LDL-C, change, HDL-C, change

Posted result

GroupValue (least_squares_mean), mg/dL95% CI
PlaceboFasting Plasma Glucose-1.3
Total Cholesterol4.3
Triglycerides-0.1
LDL Cholesterol4.3
HDL Cholesterol1.5
Pramlintide 360 mcgFasting Plasma Glucose-1.8
Total Cholesterol-7.1
Triglycerides-8.6
LDL Cholesterol-3.5
HDL Cholesterol0.6
Metreleptin 5.0 mgFasting Plasma Glucose-1.8
Total Cholesterol-3.7
Triglycerides-13.0
LDL Cholesterol-2.3
HDL Cholesterol2.6
Pramlintide 180 mcg + Metreleptin 2.5 mgFasting Plasma Glucose-2.5
Total Cholesterol-2.1
Triglycerides-1.4
LDL Cholesterol-3.7
HDL Cholesterol0.7
Pramlintide 180 mcg + Metreleptin 5.0 mgFasting Plasma Glucose-1.2
Total Cholesterol-2.5
Triglycerides-10.9
LDL Cholesterol-0.0
HDL Cholesterol1.0
Pramlintide 360 mcg + Metreleptin 1.25 mgFasting Plasma Glucose-1.0
Total Cholesterol-0.6
Triglycerides11.1
LDL Cholesterol-2.7
HDL Cholesterol2.9
Pramlintide 360 mcg + Metreleptin 2.5 mgFasting Plasma Glucose-1.7
Total Cholesterol-4.0
Triglycerides-9.2
LDL Cholesterol-3.7
HDL Cholesterol0.97
Pramlintide 360 mcg + Metreleptin 5.0 mgFasting Plasma Glucose-1.3
Total Cholesterol-1.3
Triglycerides0.9
LDL Cholesterol-1.2
HDL Cholesterol1.05
Secondary/protocol endpoint

Mean Change in Systolic and Diastolic Blood Pressure From Baseline to Week 28 - Intent to Treat Population

Time frame:Baseline to Week 28

change from baseline, improvement

Posted result

GroupValue (mean), mm Hg95% CI
PlaceboSystolic Blood Pressure2.4
Diastolic Blood Pressure1.2
Pramlintide 360 mcgSystolic Blood Pressure-0.9
Diastolic Blood Pressure-1.7
Metreleptin 5.0 mgSystolic Blood Pressure-3.4
Diastolic Blood Pressure-2.6
Pramlintide 180 mcg + Metreleptin 2.5 mgSystolic Blood Pressure-3.2
Diastolic Blood Pressure-0.4
Pramlintide 180 mcg + Metreleptin 5.0 mgSystolic Blood Pressure0.4
Diastolic Blood Pressure-1.0
Pramlintide 360 mcg + Metreleptin 1.25 mgSystolic Blood Pressure-2.0
Diastolic Blood Pressure-1.3
Pramlintide 360 mcg + Metreleptin 2.5 mgSystolic Blood Pressure-1.2
Diastolic Blood Pressure-1.8
Pramlintide 360 mcg + Metreleptin 5.0 mgSystolic Blood Pressure-1.5
Diastolic Blood Pressure-0.1
Secondary/protocol endpoint

Mean Change in Heart Rate From Baseline to Week 28 - Intent to Treat Population

Time frame:Baseline to Week 28

Heart rate, change

change from baseline, improvement

Posted result

GroupValue (mean), bpm95% CI
Placebo1.6
Pramlintide 360 mcg-1.3
Metreleptin 5.0 mg-2.6
Pramlintide 180 mcg + Metreleptin 2.5 mg-1.4
Pramlintide 180 mcg + Metreleptin 5.0 mg-2.1
Pramlintide 360 mcg + Metreleptin 1.25 mg-0.5
Pramlintide 360 mcg + Metreleptin 2.5 mg-2.4
Pramlintide 360 mcg + Metreleptin 5.0 mg-0.1
Secondary/protocol endpoint

Mean Change From Screening to Week 28 in the Electrocardiogram Parameter of Heart Rate - Intent to Treat Population

Time frame:Screening to Week 28 (or early termination)

Heart rate, change

change from baseline, improvement

Posted result

GroupValue (mean), bpm95% CI
Placebo0.3
Pramlintide 360 mcg-2.8
Metreleptin 5.0 mg-4.1
Pramlintide 180 mcg + Metreleptin 2.5 mg-4.7
Pramlintide 180 mcg + Metreleptin 5.0 mg-4.9
Pramlintide 360 mcg + Metreleptin 1.25 mg-1.9
Pramlintide 360 mcg + Metreleptin 2.5 mg-6.6
Pramlintide 360 mcg + Metreleptin 5.0 mg-3.4

Patient-reported / QoL

7 endpoints
Secondary/protocol endpoint

Mean Absolute Change From Screening to Week 24 in Impact of Weight on Quality of Life Questionnaire-lite Version (IWQOL-Lite) Total Score - Evaluable Population

Time frame:Screening to Week 24

IWQOL-Lite total

change from baseline, improvement

Posted result

GroupValue (mean), units on a scale95% CI
Placebo10.52
Pramlintide 360 mcg10.31
Metreleptin 5.0 mg11.09
Pramlintide 180 mcg + Metreleptin 2.5 mg10.14
Pramlintide 180 mcg + Metreleptin 5.0 mg16.15
Pramlintide 360 mcg + Metreleptin 1.25 mg13.84
Pramlintide 360 mcg + Metreleptin 2.5 mg13.44
Pramlintide 360 mcg + Metreleptin 5.0 mg11.68
Secondary/protocol endpoint

Mean Absolute Change From Screening to Week 24 in Binge Eating Scale (BES) Total Score - Evaluable Population

Time frame:Screening to Week 24

change from baseline, improvement

Posted result

GroupValue (mean), units on a scale95% CI
Placebo-3.0
Pramlintide 360 mcg-3.4
Metreleptin 5.0 mg-4.0
Pramlintide 180 mcg + Metreleptin 2.5 mg-4.4
Pramlintide 180 mcg + Metreleptin 5.0 mg-6.6
Pramlintide 360 mcg + Metreleptin 1.25 mg-3.5
Pramlintide 360 mcg + Metreleptin 2.5 mg-5.9
Pramlintide 360 mcg + Metreleptin 5.0 mg-5.2
Secondary/protocol endpoint

Mean Absolute Change From Screening to Week 24 in Susceptibility to Eating Questionnaire (SEQ) Item Scores - Evaluable Population

Time frame:Screening to Week 24

change from baseline, improvement

Posted result

GroupValue (mean), units on a scale95% CI
PlaceboFrequency of Food Cravings-9.0
Strength of Food Cravings-5.1
Difficult to Control Eating-8.1
Difficult to Resist Food Cravings-11.4
Eating in Response to Food Cravings-11.1
Difficult to Control Portion Sizes-10.8
How Hungry-0.1
How Full After Meals-5.8
Thoughts of Food-2.7
How Pleasant Meals-6.1
Pramlintide 360 mcgFrequency of Food Cravings-6.6
Strength of Food Cravings-6.1
Difficult to Control Eating-15.2
Difficult to Resist Food Cravings-11.1
Eating in Response to Food Cravings-12.2
Difficult to Control Portion Sizes-16.9
How Hungry-9.7
How Full After Meals0.5
Thoughts of Food-10.7
How Pleasant Meals-2.3
Metreleptin 5.0 mgFrequency of Food Cravings-4.0
Strength of Food Cravings-1.1
Difficult to Control Eating-9.5
Difficult to Resist Food Cravings9.6
Eating in Response to Food Cravings-12.6
Difficult to Control Portion Sizes-27.6
How Hungry-17.5
How Full After Meals-7.6
Thoughts of Food-10.6
How Pleasant Meals-2.1
Pramlintide 180 mcg + Metreleptin 2.5 mgFrequency of Food Cravings-14.1
Strength of Food Cravings-13.9
Difficult to Control Eating-19.7
Difficult to Resist Food Cravings-19.5
Eating in Response to Food Cravings-15.4
Difficult to Control Portion Sizes-19.6
How Hungry-16.4
How Full After Meals-3.8
Thoughts of Food-9.4
How Pleasant Meals1.2
Pramlintide 180 mcg + Metreleptin 5.0 mgFrequency of Food Cravings-19.8
Strength of Food Cravings-13.8
Difficult to Control Eating-27.3
Difficult to Resist Food Cravings-21.8
Eating in Response to Food Cravings-22.2
Difficult to Control Portion Sizes-25.2
How Hungry-17.0
How Full After Meals-8.8
Thoughts of Food-16.7
How Pleasant Meals-1.2
Pramlintide 360 mcg + Metreleptin 1.25 mgFrequency of Food Cravings-15.7
Strength of Food Cravings-12.9
Difficult to Control Eating-18.3
Difficult to Resist Food Cravings-19.0
Eating in Response to Food Cravings-18.5
Difficult to Control Portion Sizes-20.8
How Hungry-17.5
How Full After Meals-6.5
Thoughts of Food-12.0
How Pleasant Meals3.7
Pramlintide 360 mcg + Metreleptin 2.5 mgFrequency of Food Cravings-18.5
Strength of Food Cravings-19.6
Difficult to Control Eating-26.3
Difficult to Resist Food Cravings-28.0
Eating in Response to Food Cravings-22.9
Difficult to Control Portion Sizes-24.0
How Hungry-19.2
How Full After Meals-4.2
Thoughts of Food-20.0
How Pleasant Meals5.3
Pramlintide 360 mcg + Metreleptin 5.0 mgFrequency of Food Cravings-13.5
Strength of Food Cravings-15.2
Difficult to Control Eating-18.0
Difficult to Resist Food Cravings-18.2
Eating in Response to Food Cravings-15.9
Difficult to Control Portion Sizes-27.6
How Hungry-19.9
How Full After Meals1.1
Thoughts of Food-5.6
How Pleasant Meals-2.1
Secondary/protocol endpoint

Mean Absolute Change From Screening to Week 24 in Hospital Anxiety and Depression Scale (HADS) Total Scores - Evaluable Population

Time frame:Screening to Week 24

change from baseline, improvement

Posted result

GroupValue (mean), units on a scale95% CI
PlaceboAnxiety Total Scores0.02
Depression Total Scores-0.85
Pramlintide 360 mcgAnxiety Total Scores0.08
Depression Total Scores-0.76
Metreleptin 5.0 mgAnxiety Total Scores-0.56
Depression Total Scores-0.98
Pramlintide 180 mcg + Metreleptin 2.5 mgAnxiety Total Scores-0.11
Depression Total Scores-0.66
Pramlintide 180 mcg + Metreleptin 5.0 mgAnxiety Total Scores-0.43
Depression Total Scores-1.37
Pramlintide 360 mcg + Metreleptin 1.25 mgAnxiety Total Scores-0.59
Depression Total Scores-1.23
Pramlintide 360 mcg + Metreleptin 2.5 mgAnxiety Total Scores-0.58
Depression Total Scores-1.02
Pramlintide 360 mcg + Metreleptin 5.0 mgAnxiety Total Scores0.06
Depression Total Scores0.00
Secondary/protocol endpoint

Mean Absolute Change From Screening to Week 24 in Summary Scores for Profile of Mood States - Brief (POMS-B) - Evaluable Population

Time frame:Screening to Week 24

change from baseline, improvement

Posted result

GroupValue (mean), units on a scale95% CI
PlaceboTension - Anxiety0.35
Depression - Dejection0.41
Anger - Hostility0.04
Vigor - Activity1.11
Fatigue - Inertia-1.22
Confusion - Bewilderment0.43
Pramlintide 360 mcgTension - Anxiety0.39
Depression - Dejection0.27
Anger - Hostility0.16
Vigor - Activity0.27
Fatigue - Inertia-0.53
Confusion - Bewilderment0.51
Metreleptin 5.0 mgTension - Anxiety-0.17
Depression - Dejection0.44
Anger - Hostility-0.22
Vigor - Activity0.78
Fatigue - Inertia-1.10
Confusion - Bewilderment0.17
Pramlintide 180 mcg + Metreleptin 2.5 mgTension - Anxiety0.87
Depression - Dejection0.64
Anger - Hostility0.53
Vigor - Activity1.04
Fatigue - Inertia0.02
Confusion - Bewilderment0.40
Pramlintide 180 mcg + Metreleptin 5.0 mgTension - Anxiety-0.30
Depression - Dejection0.26
Anger - Hostility-0.30
Vigor - Activity1.20
Fatigue - Inertia-0.30
Confusion - Bewilderment0.20
Pramlintide 360 mcg + Metreleptin 1.25 mgTension - Anxiety-0.21
Depression - Dejection0.37
Anger - Hostility-0.05
Vigor - Activity0.95
Fatigue - Inertia-1.49
Confusion - Bewilderment0.05
Pramlintide 360 mcg + Metreleptin 2.5 mgTension - Anxiety0.00
Depression - Dejection-0.29
Anger - Hostility-0.18
Vigor - Activity1.13
Fatigue - Inertia-0.82
Confusion - Bewilderment0.02
Pramlintide 360 mcg + Metreleptin 5.0 mgTension - Anxiety0.66
Depression - Dejection0.23
Anger - Hostility0.71
Vigor - Activity1.29
Fatigue - Inertia0.09
Confusion - Bewilderment0.00
Secondary/protocol endpoint

Mean Absolute Change From Screening to Week 24 in Minutes to Fall Asleep, Hours of Sleep and The Pittsburgh Sleep Quality Index (PSQI) Global Score - Evaluable Population

Time frame:Screening to Week 24

change from baseline, improvement

componentsPGI, change

Posted result

GroupValue (mean), units on a scale95% CI
PlaceboMinutes to Fall Asleep-0.5
Hours Asleep0.1
PSQI Global Score-0.9
Pramlintide 360 mcgMinutes to Fall Asleep1.3
Hours Asleep0.1
PSQI Global Score-0.3
Metreleptin 5.0 mgMinutes to Fall Asleep-2.1
Hours Asleep-0.1
PSQI Global Score-0.3
Pramlintide 180 mcg + Metreleptin 2.5 mgMinutes to Fall Asleep-4.3
Hours Asleep0.2
PSQI Global Score-0.8
Pramlintide 180 mcg + Metreleptin 5.0 mgMinutes to Fall Asleep-4.6
Hours Asleep0.1
PSQI Global Score-0.9
Pramlintide 360 mcg + Metreleptin 1.25 mgMinutes to Fall Asleep-4.3
Hours Asleep0.2
PSQI Global Score-1.0
Pramlintide 360 mcg + Metreleptin 2.5 mgMinutes to Fall Asleep-1.0
Hours Asleep0.2
PSQI Global Score-1.0
Pramlintide 360 mcg + Metreleptin 5.0 mgMinutes to Fall Asleep2.7
Hours Asleep-0.4
PSQI Global Score-0.1
Secondary/protocol endpoint

Mean Absolute Change From Screening to Week 24 in the Epworth Sleepiness Scale (ESS) Total Score - Evaluable Population

Time frame:Screening to Week 24

change from baseline, improvement

Posted result

GroupValue (mean), units on a scale95% CI
Placebo-0.69
Pramlintide 360 mcg-0.63
Metreleptin 5.0 mg0.12
Pramlintide 180 mcg + Metreleptin 2.5 mg-1.32
Pramlintide 180 mcg + Metreleptin 5.0 mg-1.80
Pramlintide 360 mcg + Metreleptin 1.25 mg-1.05
Pramlintide 360 mcg + Metreleptin 2.5 mg-1.80
Pramlintide 360 mcg + Metreleptin 5.0 mg-0.42

Safety / tolerability / PK

7 endpoints
Secondary/protocol endpoint

Geometric Mean of the Total Area Under the Concentration Time Curve (AUC) From Time 0 to Last Quantifiable Concentration (Tlast) for Pramlintide at Weeks 4 and 24 - Evaluable Population Receiving Pramlintide

Time frame:Week 4 and Week 24

AUC₀–∞

concentration, descriptive

Posted result

GroupValue (geometric_mean), pg*h/mL95% CI
Pramlintide 360 mcg + Placebo-MWeek 4 AUC (0-tlast)1862.5
Week 24 AUC (0-tlast)1968.4
Pramlintide 180 mcg + Metreleptin 2.5 mgWeek 4 AUC (0-tlast)878.8
Week 24 AUC (0-tlast)1033.8
Pramlintide 180 mcg + Metreleptin 5.0 mgWeek 4 AUC (0-tlast)967.5
Week 24 AUC (0-tlast)953.7
Pramlintide 360 mcg + Metreleptin 1.25 mgWeek 4 AUC (0-tlast)1788.2
Week 24 AUC (0-tlast)1536.3
Pramlintide 360 mcg + Metreleptin 2.5 mgWeek 4 AUC (0-tlast)1920.1
Week 24 AUC (0-tlast)1990.2
Pramlintide 360 mcg + Metreleptin 5.0 mgWeek 4 AUC (0-tlast)2060.4
Week 24 AUC (0-tlast)1915.3
Secondary/protocol endpoint

Geometric Mean of AUC From Time 0 to Infinity for Pramlintide at Weeks 4 and 24 - Evaluable Population Treated With Pramlintide

Time frame:Weeks 4 and 24

AUC₀–∞

concentration, descriptive

Posted result

GroupValue (geometric_mean), pg*h/mL95% CI
Pramlintide 360 mcg + Placebo-MWeek 4 AUC (0-inf)2662.7
Week 24 AUC (0-inf)2499.5
Pramlintide 180 mcg + Metreleptin 2.5 mgWeek 4 AUC (0-inf)989.3
Week 24 AUC (0-inf)1175.1
Pramlintide 180 mcg + Metreleptin 5.0 mgWeek 4 AUC (0-inf)1240.7
Week 24 AUC (0-inf)1216.7
Pramlintide 360 mcg + Metreleptin 1.25 mgWeek 4 AUC (0-inf)2159.0
Week 24 AUC (0-inf)1907.5
Pramlintide 360 mcg + Metreleptin 2.5 mgWeek 4 AUC (0-inf)2311.3
Week 24 AUC (0-inf)2411.8
Pramlintide 360 mcg + Metreleptin 5.0 mgWeek 4 AUC (0-inf)2511.4
Week 24 AUC (0-inf)2349.3
Secondary/protocol endpoint

Geometric Mean of the Maximum Observed Plasma Concentration (Cmax) for Pramlintide at Weeks 4 and 24 - Evaluable Population Receiving Pramlintide

Time frame:Week 4 and Week 24

Cmax

concentration, descriptive

Posted result

GroupValue (geometric_mean), pg/mL95% CI
Pramlintide 360 mcg + Placebo-MWeek 4 Cmax1759.0
Week 24 Cmax1985.8
Pramlintide 180 mcg + Metreleptin 2.5 mgWeek 4 Cmax876.7
Week 24 Cmax1048.1
Pramlintide 180 mcg + Metreleptin 5.0 mgWeek 4 Cmax897.3
Week 24 Cmax925.5
Pramlintide 360 mcg + Metreleptin 1.25 mgWeek 4 Cmax1783.8
Week 24 Cmax1573.5
Pramlintide 360 mcg + Metreleptin 2.5 mgWeek 4 Cmax1851.3
Week 24 Cmax2032.0
Pramlintide 360 mcg + Metreleptin 5.0 mgWeek 4 Cmax2096.4
Week 24 Cmax1972.2
Secondary/protocol endpoint

Number of Hematology and Urinalysis Laboratory Values of Potential Clinical Importance Observed From Screening to Week 28 - Intent to Treat Population

Time frame:Screening to Week 28

event count, event

componentsplatelet count abnormal, hematocrit low, hemoglobin low, wbc count abnormal, urine protein high, urine glucose high, urine ketones high

Posted result

GroupValue (number), Number of Laboratory Values95% CI
PlaceboHematocrit4
Hemoglobin7
Platelet Count0
White Blood Cell Count0
Urine Glucose0
Urine Ketones0
Urine protein1
Pramlintide 360 mcgHematocrit0
Hemoglobin0
Platelet Count0
White Blood Cell Count0
Urine Glucose1
Urine Ketones0
Urine protein2
Metreleptin 5.0 mgHematocrit0
Hemoglobin0
Platelet Count1
White Blood Cell Count0
Urine Glucose0
Urine Ketones0
Urine protein0
Pramlintide 180 mcg + Metreleptin 2.5 mgHematocrit0
Hemoglobin0
Platelet Count1
White Blood Cell Count0
Urine Glucose0
Urine Ketones0
Urine protein2
Pramlintide 180 mcg + Metreleptin 5.0 mgHematocrit0
Hemoglobin0
Platelet Count0
White Blood Cell Count0
Urine Glucose0
Urine Ketones0
Urine protein3
Pramlintide 360 mcg + Metreleptin 1.25 mgHematocrit1
Hemoglobin5
Platelet Count0
White Blood Cell Count0
Urine Glucose0
Urine Ketones0
Urine protein4
Pramlintide 360 mcg + Metreleptin 2.5 mgHematocrit4
Hemoglobin7
Platelet Count10
White Blood Cell Count0
Urine Glucose0
Urine Ketones1
Urine protein2
Pramlintide 360 mcg + Metreleptin 5.0 mgHematocrit3
Hemoglobin4
Platelet Count0
White Blood Cell Count0
Urine Glucose0
Urine Ketones1
Urine protein1
Secondary/protocol endpoint

Number of Chemistry Laboratory Values of Potential Clinical Importance Observed From Screening to Week 28 - Intent to Treat Population

Time frame:Screening to Week 28

event count, event

componentstotal bilirubin abnormal, glucose abnormal high low, albumin low, creatine kinase high, sodium abnormal high low, potassium abnormal high low, bicarbonate abnormal high low, calcium low

Posted result

GroupValue (number), Number of Laboratory Values95% CI
Placeboalanine aminotransferase0
aspartate aminotransferase0
Bicarbonate0
Gamma-glutamyltransferase17
Creatine kinase18
Calcium2
Potassium0
Sodium2
Creatinine0
Total Bilirubin1
Uric Acid4
Alkaline Phosphatase0
Blood urea nitrogen0
Pramlintide 360 mcgalanine aminotransferase8
aspartate aminotransferase2
Bicarbonate5
Gamma-glutamyltransferase3
Creatine kinase4
Calcium2
Potassium1
Sodium4
Creatinine0
Total Bilirubin0
Uric Acid10
Alkaline Phosphatase0
Blood urea nitrogen0
Metreleptin 5.0 mgalanine aminotransferase1
aspartate aminotransferase0
Bicarbonate1
Gamma-glutamyltransferase5
Creatine kinase4
Calcium2
Potassium0
Sodium2
Creatinine0
Total Bilirubin0
Uric Acid5
Alkaline Phosphatase0
Blood urea nitrogen0
Pramlintide 180 mcg + Metreleptin 2.5 mgalanine aminotransferase0
aspartate aminotransferase0
Bicarbonate5
Gamma-glutamyltransferase1
Creatine kinase9
Calcium7
Potassium1
Sodium4
Creatinine1
Total Bilirubin0
Uric Acid11
Alkaline Phosphatase1
Blood urea nitrogen0
Pramlintide 180 mcg + Metreleptin 5.0 mgalanine aminotransferase0
aspartate aminotransferase1
Bicarbonate1
Gamma-glutamyltransferase13
Creatine kinase8
Calcium1
Potassium2
Sodium2
Creatinine2
Total Bilirubin0
Uric Acid19
Alkaline Phosphatase0
Blood urea nitrogen0
Pramlintide 360 mcg + Metreleptin 1.25 mgalanine aminotransferase0
aspartate aminotransferase0
Bicarbonate0
Gamma-glutamyltransferase0
Creatine kinase4
Calcium0
Potassium1
Sodium0
Creatinine0
Total Bilirubin0
Uric Acid21
Alkaline Phosphatase0
Blood urea nitrogen0
Pramlintide 360 mcg + Metreleptin 2.5 mgalanine aminotransferase0
aspartate aminotransferase0
Bicarbonate0
Gamma-glutamyltransferase0
Creatine kinase2
Calcium13
Potassium2
Sodium3
Creatinine0
Total Bilirubin0
Uric Acid9
Alkaline Phosphatase0
Blood urea nitrogen0
Pramlintide 360 mcg + Metreleptin 5.0 mgalanine aminotransferase3
aspartate aminotransferase2
Bicarbonate1
Gamma-glutamyltransferase6
Creatine kinase2
Calcium0
Potassium6
Sodium0
Creatinine3
Total Bilirubin1
Uric Acid25
Alkaline Phosphatase0
Blood urea nitrogen2
Secondary/protocol endpoint

Number of Participants With Treatment-emergent Positive Anti-leptin Antibody Titers at Week 28 - Intent to Treat Population

Time frame:Baseline to Week 28

Immunogenicity (ADA)

threshold achievement, event

Posted result

GroupValue (number), participants95% CI
Metreleptin 5.0 mg43
Pramlintide 180 mcg + Metreleptin 2.5 mg49
Pramlintide 180 mcg + Metreleptin 5.0 mg48
Pramlintide 360 mcg + Metreleptin 1.25 mg42
Pramlintide 360 mcg + Metreleptin 2.5 mg50
Pramlintide 360 mcg + Metreleptin 5.0 mg42
Secondary/protocol endpoint

Mean Change From Screening to Week 28 in Electrocardiogram Parameters - Intent to Treat Population

Time frame:Screening to Week 28 (or study termination)

change from baseline, descriptive

Posted result

GroupValue (mean), msec95% CI
PlaceboPR Interval1.1
QRS Interval-0.3
QT Interval0.4
QTcF-0.3
Pramlintide 360 mcgPR Interval-0.1
QRS Interval-1.4
QT Interval9.9
QTcF4.0
Metreleptin 5.0 mgPR Interval0.3
QRS Interval1.0
QT Interval16.2
QTcF8.2
Pramlintide 180 mcg + Metreleptin 2.5 mgPR Interval0.1
QRS Interval-0.5
QT Interval7.0
QTcF-1.2
Pramlintide 180 mcg + Metreleptin 5.0 mgPR Interval16.8
QRS Interval-1.8
QT Interval8.9
QTcF-0.8
Pramlintide 360 mcg + Metreleptin 1.25 mgPR Interval4.4
QRS Interval-0.2
QT Interval4.4
QTcF0.3
Pramlintide 360 mcg + Metreleptin 2.5 mgPR Interval0.4
QRS Interval0.3
QT Interval15.0
QTcF1.3
Pramlintide 360 mcg + Metreleptin 5.0 mgPR Interval-1.6
QRS Interval-0.4
QT Interval6.3
QTcF-2.3

Publications (1)

Bibliography

Records linked to this trial through ClinicalTrials.gov references, PubMed NCT search, and curated study seeds. 'Canonical' marks design/result papers; others are registry references or candidates.

Registry references + supporting bibliography

Provenance

Sources

Trial identity, design, statusClinicalTrials.gov API v2
Snapshot dateJuly 1, 2026
Endpoint classificationDelfa endpoint taxonomy v2 (May 13, 2026)
Results tableClinicalTrials.gov results section

Trial facts come from public ClinicalTrials.gov records. Endpoint categories are Delfa's classification of those records, not a ClinicalTrials.gov field. All figures reflect the July 1, 2026 snapshot.