← Trials/Trial dossier/NCT00819234

CompletedPhase 2Results posted

Extension Study of Protocol DFA102 to Examine the Long-Term Safety, Tolerability, and Effect on Body Weight of Pramlintide Administered in Combination With Metreleptin

Extension Study of Protocol DFA102 to Examine the Long-Term Safety, Tolerability, and Effect on Body Weight of Pramlintide Administered in Combination With Metreleptin in Obese and Overweight Subjects

Lead sponsor

AstraZeneca

Asset

Pramlintide

Subcutaneous · Amylin analog

Listed sites

33

Recruiting sites

Enrollment

274

actual

Study population

Obesity / overweight

Key I/E criterion

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 IDNCT00819234
Org study IDDFA102E

Timeline

Milestones

Study first posted2009-01-08estimated
Results first posted2013-12-05estimated
Last update posted2015-04-15estimated
Study start2008-11 (month precision)
Primary completion2009-10actual (month precision)
Study completion2009-11actual (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

Completed Study DFA102, including all procedures required at the Study Termination visit, without major protocol deviations
Male, or female and meets all the following criteria:

1. Has a negative urine pregnancy test result at Study start(not applicable to hysterectomized females)

2. If of childbearing potential must practice and be willing to continue to practice appropriate birth control during the entire duration of the study

Able to read, understand, and sign the Informed Consent Form (ICF) and if applicable,an Authorization to Use and Disclose Protected Health Information Form, answer the study questionnaires, communicate with the investigator, and understand and comply with protocol requirements

Exclusion criteria

Is expected to require or undergo treatment with any exclusionary medication.
Is undesirable as a study participant as judged by the investigator

Endpoints (20)

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
6
Cardiometabolic biomarkers
5
Patient-reported / QoL
4
Safety / tolerability / PK
4
Glycemic / diabetes
1

Weight & body composition

6 endpoints
Primary/protocol endpoint

LS Mean Percent Change in Body Weight From Original Study DFA102 (NCT00673387) Baseline (Day 1) at Week 52 in Extension Study DFA102E - Evaluable Treatment Stable Population

Time frame:Original Study Baseline to Week 52

Body weight, % change

percent change from baseline, improvement

Posted result

GroupValue (least_squares_mean), percentage of change in weight95% CI
Placebo - Stable-2.68-7.00 – 1.64
Pramlintide 360 Mcg + Metreleptin 1.25 mg - Stable-9.92-14.30 – -5.53
Pramlintide 360 Mcg + Metreleptin 2.5 mg - Stable-9.24-13.10 – -5.37
Pramlintide 360 Mcg + Metreleptin 5.0 mg - Stable-8.20-12.58 – -3.82
LS Mean Difference-7.2395% CI-12.93-1.54p0.0135t-test, 2 sided
LS Mean-6.5595% CI-11.89-1.21p0.0168t-test, 2 sided
LS Mean-5.5295% CI-11.270.23p0.0595t-test, 2 sided
Secondary/protocol endpoint

LS Mean Absolute Change in Body Weight From Original Study Baseline (Day 1) at Weeks 12, 28, 36, 44, and 52 - Evaluable Treatment Stable Population

Time frame:Original baseline to Week 52

Body weight, absolute change (kg)

change from baseline, improvement

Posted result

GroupValue (least_squares_mean), kg95% CI
Placebo - StableWeek 12 (original study)-4.59-6.55 – -2.62
Week 28 (Baseline for Extension)-3.70-6.74 – -0.66
Week 36 in Extension Study-3.53-6.95 – -0.12
Week 44 in Extension Study-3.10-6.82 – 0.63
Week 52 in Extension Study-2.85-6.98 – 1.28
Pramlintide 360 Mcg + Metreleptin 1.25 mg - StableWeek 12 (original study)-6.72-8.71 – -4.73
Week 28 (Baseline for Extension)-8.63-11.72 – -5.55
Week 36 in Extension Study-9.74-13.21 – -6.27
Week 44 in Extension Study-9.38-13.16 – -5.60
Week 52 in Extension Study-9.26-13.45 – -5.07
Pramlintide 360 Mcg + Metreleptin 2.5 mg - StableWeek 12 (original study)-7.31-9.07 – -5.55
Week 28 (Baseline for Extension)-9.91-12.64 – -7.19
Week 36 in Extension Study-10.69-13.75 – -7.63
Week 44 in Extension Study-10.00-13.33 – -6.66
Week 52 in Extension Study-9.65-13.35 – -5.96
Pramlintide 360 Mcg + Metreleptin 5.0 mg - StableWeek 12 (original study)-7.06-9.05 – -5.07
Week 28 (Baseline for Extension)-9.46-12.55 – -6.38
Week 36 in Extension Study-9.21-12.68 – -5.75
Week 44 in Extension Study-8.60-12.38 – -4.82
Week 52 in Extension Study-7.98-12.16 – -3.79
Secondary/protocol endpoint

LS Mean Absolute Change in Waist Circumference From Baseline in the Original Study to Week 52 in the Extension Study - Week 52 Evaluable Stable Population

Time frame:Baseline to Week 52

Waist circumference, change

change from baseline, improvement

Posted result

GroupValue (least_squares_mean), cm95% CI
PlaceboWeek 12 (original study)-4.62-7.15 – -2.08
Week 28 (baseline in Extension study)-3.37-6.63 – -0.10
Week 36 Extension study-3.24-6.77 – 0.29
Week 44 Extension study-3.46-7.20 – 0.28
Week 52 Extension study-3.69-7.43 – 0.05
360 mcg Pramlintide + 1.25mg Metreleptin - StableWeek 12 (original study)-4.03-6.57 – -1.49
Week 28 (baseline in Extension study)-6.48-9.75 – -3.20
Week 36 Extension study-8.79-12.33 – -5.25
Week 44 Extension study-9.09-12.74 – -5.44
Week 52 Extension study-9.08-12.95 – -5.21
360 mcg Pramlintide + 2.5 Metreleptin - StableWeek 12 (original study)-5.77-8.03 – -3.51
Week 28 (baseline in Extension study)-7.95-10.92 – -4.97
Week 36 Extension study-9.19-12.34 – -6.04
Week 44 Extension study-9.03-12.27 – -5.78
Week 52 Extension study-9.18-12.52 – -5.84
360 mcg Pramlintide + 5.0 Metreleptin - StableWeek 12 (original study)-5.70-8.25 – -3.15
Week 28 (baseline in Extension study)-8.36-11.65 – -5.07
Week 36 Extension study-8.16-11.71 – -4.60
Week 44 Extension study-8.76-12.42 – -5.10
Week 52 Extension study-7.41-11.18 – -3.65
Secondary/protocol endpoint

LS Mean Percent Change in Body Weight From Baseline of Original Study DFA102 at Week 12, and at Weeks 28, 36, 44, and 52 in the Extension Study DFA102E - Week 52 Evaluable Treatment Stable Population

Time frame:Baseline to Week 52

Body weight, % change

percent change from baseline, improvement

Posted result

GroupValue (least_squares_mean), Percentage of change in weight95% CI
Placebo - StableWeek 12 of original study-4.56-6.48 – -2.65
Week 28 Extension study-3.78-6.83 – -0.74
Week 36 Extension study-3.43-6.91 – 0.05
Week 44 Extension study-3.01-6.86 – 0.84
Week 52 Extension study-2.68-7.00 – 1.64
360 mcg Pramlintide + 1.25mg Metreleptin - StableWeek 12 of original study-6.93-8.87 – -4.99
Week 28 Extension study-9.14-12.22 – -6.05
Week 36 Extension study-10.27-13.80 – -6.74
Week 44 Extension study-9.95-13.86 – -6.04
Week 52 Extension study-9.92-14.30 – -5.53
360 mcg Pramlintide + 2.5 Metreleptin - StableWeek 12 of original study-7.23-8.95 – -5.52
Week 28 Extension study-9.72-12.44 – -6.99
Week 36 Extension study-10.43-13.55 – -7.32
Week 44 Extension study-9.65-13.09 – -6.20
Week 52 Extension study-9.24-13.10 – -5.37
360 mcg Pramlintide + 5.0 Metreleptin - StableWeek 12 of original study-7.17-9.11 – -5.23
Week 28 Extension study-9.83-12.91 – -6.74
Week 36 Extension study-9.51-13.04 – -5.98
Week 44 Extension study-8.84-12.75 – -4.94
Week 52 Extension study-8.20-12.58 – -3.82
Secondary/protocol endpoint

Number of Participants Achieving at Least 5%, 10%, and 15% of Body Weight Loss From Original Study DFA102 Baseline to Week 52 in Extension Study DFA102E - Week 52 Evaluable Population

Time frame:Baseline (Day 1) to Week 52

≥5% weight-loss responders

threshold achievement, improvement

Posted result

GroupValue (number), participants95% CI
PlaceboWeight Loss >=5% and <10%3
Weight Loss >=10% and <15%3
Weight Loss >=5%8
Weight Loss >=10%5
Weight Loss >=15%2
360 mcg Pramlintide + 1.25mg Metreleptin - StableWeight Loss >=5% and <10%4
Weight Loss >=10% and <15%2
Weight Loss >=5%12
Weight Loss >=10%8
Weight Loss >=15%6
360 mcg Pramlintide + 2.5 Metreleptin - StableWeight Loss >=5% and <10%10
Weight Loss >=10% and <15%5
Weight Loss >=5%21
Weight Loss >=10%11
Weight Loss >=15%6
360 mcg Pramlintide + 5.0 Metreleptin - StableWeight Loss >=5% and <10%6
Weight Loss >=10% and <15%4
Weight Loss >=5%12
Weight Loss >=10%6
Weight Loss >=15%2
360 mcg Pramlintide + 1.25 mg Metreleptin - Prior Mono+1.25Weight Loss >=5% and <10%6
Weight Loss >=10% and <15%0
Weight Loss >=5%7
Weight Loss >=10%1
Weight Loss >=15%1
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Mono+2.5Weight Loss >=5% and <10%1
Weight Loss >=10% and <15%1
Weight Loss >=5%3
Weight Loss >=10%2
Weight Loss >=15%1
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Mono+5.0Weight Loss >=5% and <10%1
Weight Loss >=10% and <15%1
Weight Loss >=5%4
Weight Loss >=10%3
Weight Loss >=15%2
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Metre MonoWeight Loss >=5% and <10%6
Weight Loss >=10% and <15%4
Weight Loss >=5%15
Weight Loss >=10%9
Weight Loss >=15%5
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Lower PramWeight Loss >=5% and <10%7
Weight Loss >=10% and <15%6
Weight Loss >=5%18
Weight Loss >=10%11
Weight Loss >=15%5
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Lower PramWeight Loss >=5% and <10%7
Weight Loss >=10% and <15%5
Weight Loss >=5%18
Weight Loss >=10%11
Weight Loss >=15%6
Secondary/protocol endpoint

Number of Participants Achieving at Least 5%, 10% and 15% Body Weight Loss From Extension Study DFA102E Baseline (Week 28) to Week 52 - Week 52 Evaluable Population

Time frame:Baseline (Week 28) to Week 52

≥5% weight-loss responders

threshold achievement, improvement

Posted result

GroupValue (number), participants95% CI
Placebo - StableWeight Loss >=5% and <10%2
Weight Loss >=10% and <15%0
Weight Loss >=5%2
Weight Loss >=10%0
Weight Loss >=15%0
360 mcg Pramlintide + 1.25mg Metreleptin - StableWeight Loss >=5% and <10%1
Weight Loss >=10% and <15%1
Weight Loss >=5%3
Weight Loss >=10%2
Weight Loss >=15%1
360 mcg Pramlintide + 2.5 Metreleptin - StableWeight Loss >=5% and <10%4
Weight Loss >=10% and <15%0
Weight Loss >=5%4
Weight Loss >=10%0
Weight Loss >=15%0
360 mcg Pramlintide + 5.0 Metreleptin - StableWeight Loss >=5% and <10%1
Weight Loss >=10% and <15%0
Weight Loss >=5%1
Weight Loss >=10%0
Weight Loss >=15%0
360 mcg Pramlintide + 1.25 mg Metreleptin - Prior Mono+1.25Weight Loss >=5% and <10%0
Weight Loss >=10% and <15%0
Weight Loss >=5%0
Weight Loss >=10%0
Weight Loss >=15%0
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Mono+2.5Weight Loss >=5% and <10%0
Weight Loss >=10% and <15%0
Weight Loss >=5%0
Weight Loss >=10%0
Weight Loss >=15%0
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Mono+5.0Weight Loss >=5% and <10%0
Weight Loss >=10% and <15%2
Weight Loss >=5%2
Weight Loss >=10%2
Weight Loss >=15%0
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Metre MonoWeight Loss >=5% and <10%7
Weight Loss >=10% and <15%1
Weight Loss >=5%8
Weight Loss >=10%1
Weight Loss >=15%0
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Lower PramWeight Loss >=5% and <10%3
Weight Loss >=10% and <15%0
Weight Loss >=5%3
Weight Loss >=10%0
Weight Loss >=15%0
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Lower PramWeight Loss >=5% and <10%3
Weight Loss >=10% and <15%2
Weight Loss >=5%5
Weight Loss >=10%2
Weight Loss >=15%0

Glycemic / diabetes

1 endpoint
Secondary/protocol endpoint

LS Mean Absolute Change From Baseline in Original Study DFA102 to Week 52 in Extension Study DFA102E in Total Insulin - Week 52 Evaluable Treatment Stable Population

Time frame:Baseline to Week 52

change from baseline, improvement

Posted result

GroupValue (least_squares_mean), µIU/mL95% CI
Placebo - Stable-0.54-2.97 – 1.89
360 mcg Pramlintide + 1.25mg Metreleptin - Stable-2.16-4.71 – 0.39
360 mcg Pramlintide + 2.5 Metreleptin - Stable-0.62-2.94 – 1.70
360 mcg Pramlintide + 5.0 Metreleptin - Stable-1.61-4.20 – 0.97

Cardiometabolic biomarkers

5 endpoints
Secondary/protocol endpoint

Fasting Total Leptin Concentration by Visit and Pooled Metreleptin Stable Treatment by Metreleptin Dose - Week 52 Stable Evaluable Population

Time frame:Original Study Baseline to Extension Week 52 and follow up

Leptin, change

change from baseline, improvement

Posted result

GroupValue (geometric_mean), ng/mL95% CI
Pramlintide 360 Mcg + Metreleptin 1.25 mg - StableDFA102 Baseline32.50
DFA102E Baseline (Week 28)102.02
Week 4096.23
Week 5288.47
Follow up post treatment52.90
Pramlintide 360 Mcg + Metreleptin 2.5 mg - StableDFA102 Baseline34.48
DFA102E Baseline (Week 28)232.48
Week 40236.02
Week 52177.32
Follow up post treatment89.21
Pramlintide 360 Mcg + Metreleptin 5.0 mg - StableDFA102 Baseline29.50
DFA102E Baseline (Week 28)420.24
Week 40416.52
Week 52259.85
Follow up post treatment89.49
Secondary/protocol endpoint

LS Mean Absolute Change From Baseline in Original Study DFA102 to Week 52 in Extension Study DFA102E for Glucose and Lipids - Week 52 Evaluable Treatment Stable Population

Time frame:Baseline (Day 1) to Week 52

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
Placebo - Stableglucose-1.88-5.62 – 1.85
total cholesterol4.19-8.25 – 16.63
triglycerides-10.05-26.77 – 6.67
low density lipoprotein (LDL)13.431.96 – 24.90
high density lipoprotein (HDL)2.92-0.36 – 6.21
360 mcg Pramlintide + 1.25mg Metreleptin - Stableglucose-0.60-4.36 – 3.17
total cholesterol-2.21-15.10 – 10.68
triglycerides-5.41-22.58 – 11.76
low density lipoprotein (LDL)4.43-7.49 – 16.35
high density lipoprotein (HDL)7.964.57 – 11.36
360 mcg Pramlintide + 2.5 Metreleptin - Stableglucose0.03-3.38 – 3.43
total cholesterol-3.24-14.84 – 8.35
triglycerides-5.86-21.16 – 9.43
low density lipoprotein (LDL)6.03-4.64 – 16.70
high density lipoprotein (HDL)5.042.01 – 8.08
360 mcg Pramlintide + 5.0 Metreleptin - Stableglucose-6.29-10.07 – -2.50
total cholesterol-3.84-17.12 – 9.43
triglycerides-12.74-30.12 – 4.64
low density lipoprotein (LDL)4.43-7.97 – 16.82
high density lipoprotein (HDL)7.614.10 – 11.12
Secondary/protocol endpoint

Total Trough Concentration of Plasma Leptin at Baseline and at Weeks 40, 52, and End of Treatment Follow up - Week 52 Stable Evaluable Population

Time frame:Baseline to end of treatment follow up

Leptin, change

change from baseline, improvement

Posted result

GroupValue (geometric_mean), ng/mL95% CI
Pramlintide 360 Mcg + Metreleptin 1.25 mg - StableBaseline in DFA102 (Day 1)32.50
Baseline in DFA102E (Week 28)102.02
Week 4096.23
Week 5288.47
Follow up after end of treatment52.90
Pramlintide 360 Mcg + Metreleptin 2.5 mg - StableBaseline in DFA102 (Day 1)34.48
Baseline in DFA102E (Week 28)232.48
Week 40236.02
Week 52177.32
Follow up after end of treatment89.21
Pramlintide 360 Mcg + Metreleptin 5 mg - StableBaseline in DFA102 (Day 1)29.50
Baseline in DFA102E (Week 28)420.24
Week 40416.52
Week 52259.85
Follow up after end of treatment89.49
Secondary/protocol endpoint

Mean Change in Systolic and Diastolic Blood Pressure From Baseline of DFA102 at Week 52 of DFA102E - Intent to Treat Population

Time frame:Baseline (Day 1) to Week 52

change from baseline, improvement

componentsSystolic BP, change, Diastolic BP, change

Posted result

GroupValue (mean), mm Hg95% CI
Placebo - StableSystolic Blood Pressure-1.0
Diastolic Blood Pressure-0.6
360 mcg Pramlintide + 1.25mg Metreleptin - StableSystolic Blood Pressure1.8
Diastolic Blood Pressure-0.6
360 mcg Pramlintide + 2.5 Metreleptin - StableSystolic Blood Pressure-4.6
Diastolic Blood Pressure-2.7
360 mcg Pramlintide + 5.0 Metreleptin - StableSystolic Blood Pressure-4.9
Diastolic Blood Pressure-1.5
360 mcg Pramlintide + 1.25 mg Metreleptin - Prior Mono+1.25Systolic Blood Pressure0.7
Diastolic Blood Pressure-1.7
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Mono+2.5Systolic Blood Pressure3.7
Diastolic Blood Pressure-0.3
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Mono+5.0Systolic Blood Pressure-6.4
Diastolic Blood Pressure-5.3
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Metre MonoSystolic Blood Pressure-2.9
Diastolic Blood Pressure-5.8
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Lower PramSystolic Blood Pressure-7.0
Diastolic Blood Pressure-2.5
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Lower PramSystolic Blood Pressure-4.8
Diastolic Blood Pressure-4.0
Secondary/protocol endpoint

Mean Change in Heart Rate From Baseline of DFA102 at Week 52 of DFA102E - Intent to Treat Population

Time frame:Baseline to Week 52

Heart rate, change

change from baseline, improvement

Posted result

GroupValue (mean), bpm95% CI
Placebo - Stable-3.1
360 mcg Pramlintide + 1.25mg Metreleptin - Stable-1.8
360 mcg Pramlintide + 2.5 Metreleptin - Stable-3.1
360 mcg Pramlintide + 5.0 Metreleptin - Stable-1.4
360 mcg Pramlintide + 1.25 mg Metreleptin - Prior Mono+1.25-1.6
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Mono+2.50.9
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Mono+5.0-0.9
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Metre Mono-2.6
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Lower Pram-4.0
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Lower Pram-2.8

Patient-reported / QoL

4 endpoints
Secondary/protocol endpoint

Mean Absolute Change From Original Study DFA102 Screening at Week 52 in Extension Study DFA102E in Susceptibility to Eating Questionnaire (SEQ) Item Scores - Week 52 Evaluable Population

Time frame:Screening to Week 52

change from baseline, improvement

Posted result

GroupValue (mean), units on a scale95% CI
Placebo - StableFrequency of Food Cravings-14.1
Strength of Food Cravings-14.3
Difficult to Control Eating-18.3
Difficult to Resist Food Cravings-17.6
Eating in Response to Food Cravings-18.4
Difficult to Control Portion Sizes-24.6
How Hungry-1.2
How Full After Meals-6.5
Thoughts of Food-8.5
How Pleasant Meals-1.0
360 mcg Pramlintide + 1.25mg Metreleptin - StableFrequency of Food Cravings-14.4
Strength of Food Cravings-13.3
Difficult to Control Eating-19.7
Difficult to Resist Food Cravings-20.0
Eating in Response to Food Cravings-18.7
Difficult to Control Portion Sizes-19.9
How Hungry-12.8
How Full After Meals-10.1
Thoughts of Food-12.3
How Pleasant Meals-2.8
360 mcg Pramlintide + 2.5 Metreleptin - StableFrequency of Food Cravings-15.0
Strength of Food Cravings-14.2
Difficult to Control Eating-23.3
Difficult to Resist Food Cravings-24.2
Eating in Response to Food Cravings-20.4
Difficult to Control Portion Sizes-25.0
How Hungry-20.3
How Full After Meals-1.9
Thoughts of Food-17.9
How Pleasant Meals8.4
360 mcg Pramlintide + 5.0 Metreleptin - StableFrequency of Food Cravings-21.4
Strength of Food Cravings-17.9
Difficult to Control Eating-17.6
Difficult to Resist Food Cravings-16.9
Eating in Response to Food Cravings-21.3
Difficult to Control Portion Sizes-31.7
How Hungry-12.9
How Full After Meals3.5
Thoughts of Food-17.4
How Pleasant Meals15.5
360 mcg Pramlintide + 1.25 mg Metreleptin - Prior Mono+1.25Frequency of Food Cravings-3.1
Strength of Food Cravings5.3
Difficult to Control Eating-8.8
Difficult to Resist Food Cravings-3.0
Eating in Response to Food Cravings-1.8
Difficult to Control Portion Sizes-6.6
How Hungry0.1
How Full After Meals0.8
Thoughts of Food-1.5
How Pleasant Meals8.8
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Mono+2.5Frequency of Food Cravings-22.6
Strength of Food Cravings-30.3
Difficult to Control Eating-31.6
Difficult to Resist Food Cravings-30.9
Eating in Response to Food Cravings-26.6
Difficult to Control Portion Sizes-24.4
How Hungry-17.9
How Full After Meals-4.3
Thoughts of Food-26.3
How Pleasant Meals8.4
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Mono+5.0Frequency of Food Cravings-13.7
Strength of Food Cravings-9.5
Difficult to Control Eating-17.7
Difficult to Resist Food Cravings-15.7
Eating in Response to Food Cravings-7.3
Difficult to Control Portion Sizes-11.5
How Hungry-5.0
How Full After Meals11.8
Thoughts of Food-14.5
How Pleasant Meals7.7
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Metre MonoFrequency of Food Cravings-18.9
Strength of Food Cravings-13.0
Difficult to Control Eating-22.1
Difficult to Resist Food Cravings-25.6
Eating in Response to Food Cravings-27.4
Difficult to Control Portion Sizes-33.1
How Hungry-20.8
How Full After Meals-6.2
Thoughts of Food-16.3
How Pleasant Meals7.1
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Lower PramFrequency of Food Cravings-12.8
Strength of Food Cravings-8.8
Difficult to Control Eating-16.6
Difficult to Resist Food Cravings-18.5
Eating in Response to Food Cravings-13.4
Difficult to Control Portion Sizes-24.4
How Hungry-8.2
How Full After Meals-1.3
Thoughts of Food-6.0
How Pleasant Meals1.3
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Lower PramFrequency of Food Cravings-21.4
Strength of Food Cravings-14.6
Difficult to Control Eating-28.7
Difficult to Resist Food Cravings-25.8
Eating in Response to Food Cravings-29.2
Difficult to Control Portion Sizes-27.4
How Hungry-16.2
How Full After Meals-10.2
Thoughts of Food-18.4
How Pleasant Meals-5.2
Secondary/protocol endpoint

Mean Absolute Change From Original Study DFA102 Screening to Week 52 in Extension Study DFA102E in Binge Eating Scale (BES) Total Score - Week 52 Evaluable Population

Time frame:Screening to Week 52

change from baseline, improvement

Posted result

GroupValue (mean), units on a scale95% CI
Placebo - Stable-5.8
360 mcg Pramlintide + 1.25mg Metreleptin - Stable-5.7
360 mcg Pramlintide + 2.5 Metreleptin - Stable-7.1
360 mcg Pramlintide + 5.0 Metreleptin - Stable-7.4
360 mcg Pramlintide + 1.25 mg Metreleptin - Prior Mono+1.25-0.3
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Mono+2.5-10.4
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Mono+5.0-8.6
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Metre Mono-8.1
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Lower Pram-5.3
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Lower Pram-8.1
Secondary/protocol endpoint

Mean Absolute Change From Original Study DFA102 Screening to Week 52 in Extension Study DFA102E in Hospital Anxiety and Depression Scale (HADS) Total Scores - Week 52 Evaluable Population

Time frame:Screening to Week 52

change from baseline, improvement

Posted result

GroupValue (mean), units on a scale95% CI
Placebo - StableChange in Total Scores for Anxiety-0.4
Change in Total Scores for Depression-1.0
360 mcg Pramlintide + 1.25mg Metreleptin - StableChange in Total Scores for Anxiety-1.2
Change in Total Scores for Depression-2.1
360 mcg Pramlintide + 2.5 Metreleptin - StableChange in Total Scores for Anxiety-0.5
Change in Total Scores for Depression-0.9
360 mcg Pramlintide + 5.0 Metreleptin - StableChange in Total Scores for Anxiety-0.2
Change in Total Scores for Depression-0.3
360 mcg Pramlintide + 1.25 mg Metreleptin - Prior Mono+1.25Change in Total Scores for Anxiety-0.8
Change in Total Scores for Depression0.3
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Mono+2.5Change in Total Scores for Anxiety0.1
Change in Total Scores for Depression-1.0
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Mono+5.0Change in Total Scores for Anxiety0.4
Change in Total Scores for Depression-0.8
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Metre MonoChange in Total Scores for Anxiety-0.7
Change in Total Scores for Depression-1.3
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Lower PramChange in Total Scores for Anxiety-1.2
Change in Total Scores for Depression-0.9
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Lower PramChange in Total Scores for Anxiety-0.8
Change in Total Scores for Depression-1.7
Secondary/protocol endpoint

Mean Absolute Change From Original Study DFA102 Screening to Week 52 in Extension Study DFA102E in the Epworth Sleepiness Scale (ESS) Total Score - Week 52 Evaluable Population

Time frame:Screening to Week 52

change from baseline, improvement

Posted result

GroupValue (mean), units on a scale95% CI
Placebo - Stable-2.0
360 mcg Pramlintide + 1.25mg Metreleptin - Stable-2.5
360 mcg Pramlintide + 2.5 Metreleptin - Stable-2.5
360 mcg Pramlintide + 5.0 Metreleptin - Stable-1.3
360 mcg Pramlintide + 1.25 mg Metreleptin - Prior Mono+1.250.2
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Mono+2.5-3.9
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Mono+5.00.0
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Metre Mono-1.3
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Lower Pram-1.2
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Lower Pram-1.1

Safety / tolerability / PK

4 endpoints
Secondary/protocol endpoint

Mean Change From DFA102 Screening at Week 52 in Study DFA102E for Electrocardiogram Parameters - Intent to Treat Population

Time frame:Screening to Week 52

change from baseline, descriptive

Posted result

GroupValue (mean), msec95% CI
Placebo - StablePR Interval1.2
QRS-0.2
QT Interval15.3
QTcF1.3
360 mcg Pramlintide + 1.25mg Metreleptin - StablePR Interval1.2
QRS3.4
QT Interval8.1
QTcF0.3
360 mcg Pramlintide + 2.5 Metreleptin - StablePR Interval3.6
QRS1.8
QT Interval15.6
QTcF1.4
360 mcg Pramlintide + 5.0 Metreleptin - StablePR Interval0.6
QRS1.0
QT Interval8.2
QTcF-2.2
360 mcg Pramlintide + 1.25 mg Metreleptin - Prior Mono+1.25PR Interval15.8
QRS-2.4
QT Interval19.4
QTcF7.1
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Mono+2.5PR Interval6.0
QRS1.6
QT Interval13.3
QTcF5.1
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Mono+5.0PR Interval2.5
QRS0.0
QT Interval2.5
QTcF6.5
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Metre MonoPR Interval-2.3
QRS1.7
QT Interval14.4
QTcF3.2
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Lower PramPR Interval1.8
QRS0.5
QT Interval5.5
QTcF-1.7
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Lower PramPR Interval0.9
QRS-0.9
QT Interval16.7
QTcF0.8
Secondary/protocol endpoint

Number of Hematology or Urinalysis Laboratory Values of Potential Clinical Importance Observed From Baseline of DFA102E to Week 52 - Intent to Treat Population

Time frame:Baseline to Week 52

event count, event

Posted result

GroupValue (number), number of laboratory values95% CI
Placebo - StableHematocrit0
Hemoglobin0
Platelet Count0
WBC0
Urinalysis0
360 mcg Pramlintide + 1.25mg Metreleptin - StableHematocrit0
Hemoglobin1
Platelet Count0
WBC0
Urinalysis0
360 mcg Pramlintide + 2.5 Metreleptin - StableHematocrit4
Hemoglobin4
Platelet Count3
WBC0
Urinalysis0
360 mcg Pramlintide + 5.0 Metreleptin - StableHematocrit0
Hemoglobin0
Platelet Count0
WBC0
Urinalysis0
360 mcg Pramlintide + 1.25 mg Metreleptin - Prior Mono+1.25Hematocrit0
Hemoglobin0
Platelet Count0
WBC0
Urinalysis0
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Mono+2.5Hematocrit0
Hemoglobin0
Platelet Count0
WBC0
Urinalysis0
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Mono+5.0Hematocrit0
Hemoglobin0
Platelet Count0
WBC0
Urinalysis0
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Metre MonoHematocrit0
Hemoglobin0
Platelet Count0
WBC0
Urinalysis0
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Lower PramHematocrit0
Hemoglobin0
Platelet Count0
WBC0
Urinalysis0
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Lower PramHematocrit0
Hemoglobin0
Platelet Count0
WBC0
Urinalysis0
Secondary/protocol endpoint

Number of Chemistry Laboratory Values of Potential Clinical Importance Observed From DFA102E Baseline to Week 52 - Intent to Treat Population

Time frame:Baseline to Week 52

event count, event

Posted result

GroupValue (number), Number of Laboratory values95% CI
Placebo - Stablealanine aminotransferase (ALT)0
Bicarbonate0
Creatine kinase1
Calcium0
Creatinine0
Gamma-glutamyltransferase0
Potassium0
Sodium0
Uric Acid0
360 mcg Pramlintide + 1.25mg Metreleptin - Stablealanine aminotransferase (ALT)0
Bicarbonate0
Creatine kinase0
Calcium0
Creatinine0
Gamma-glutamyltransferase0
Potassium0
Sodium0
Uric Acid0
360 mcg Pramlintide + 2.5 Metreleptin - Stablealanine aminotransferase (ALT)0
Bicarbonate0
Creatine kinase0
Calcium1
Creatinine0
Gamma-glutamyltransferase0
Potassium1
Sodium1
Uric Acid1
360 mcg Pramlintide + 5.0 Metreleptin - Stablealanine aminotransferase (ALT)1
Bicarbonate0
Creatine kinase0
Calcium0
Creatinine1
Gamma-glutamyltransferase3
Potassium2
Sodium0
Uric Acid2
360 mcg Pramlintide + 1.25 mg Metreleptin - Prior Mono+1.25alanine aminotransferase (ALT)0
Bicarbonate0
Creatine kinase0
Calcium1
Creatinine0
Gamma-glutamyltransferase0
Potassium0
Sodium1
Uric Acid0
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Mono+2.5alanine aminotransferase (ALT)0
Bicarbonate1
Creatine kinase0
Calcium0
Creatinine0
Gamma-glutamyltransferase0
Potassium0
Sodium0
Uric Acid0
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Mono+5.0alanine aminotransferase (ALT)1
Bicarbonate0
Creatine kinase0
Calcium1
Creatinine0
Gamma-glutamyltransferase0
Potassium0
Sodium0
Uric Acid0
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Metre Monoalanine aminotransferase (ALT)0
Bicarbonate0
Creatine kinase0
Calcium0
Creatinine0
Gamma-glutamyltransferase0
Potassium0
Sodium0
Uric Acid1
360 mcg Pramlintide + 2.5 mg Metreleptin - Prior Lower Pramalanine aminotransferase (ALT)0
Bicarbonate1
Creatine kinase2
Calcium2
Creatinine0
Gamma-glutamyltransferase0
Potassium0
Sodium0
Uric Acid3
360 mcg Pramlintide + 5.0 mg Metreleptin - Prior Lower Pramalanine aminotransferase (ALT)0
Bicarbonate0
Creatine kinase0
Calcium0
Creatinine0
Gamma-glutamyltransferase1
Potassium0
Sodium0
Uric Acid2
Secondary/protocol endpoint

Number of Participants With Treatment Emergent Positive Anti-leptin Antibody Titers at Week 52 and at Follow up by Metreleptin Dose - Intent to Treat Population

Time frame:Baseline to end of treatment follow up

Immunogenicity (ADA)

threshold achievement, event

Posted result

GroupValue (number), participants95% CI
360 mcg Pramlintide + Metreleptin 1.25 mg - StableWeek 5220
Follow up after end of treatment17
360 mcg Pramlintide + Metreleptin 2.5 mg - StableWeek 5258
Follow up after end of treatment57
360 mcg Pramlintide + Metreleptin 5 mg - StableWeek 5271
Follow up after end of treatment68
360 mcg Pramlintide + Metreleptin 1.25 mg - Prior MonotherapyWeek 528
Follow up after end of treatment8
360 mcg Pramlintide + Metreleptin 2.5 mg - Prior MonotherapyWeek 527
Follow up after end of treatment7
360 mcg Pramlintide + Metreleptin 5 mg - Prior MonotherapyWeek 527
Follow up after end of treatment7

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.