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CompletedNCT00402077Updated Mar 6, 2015

A Study to Examine the Safety, Tolerability, and Body Weight Effect of Pramlintide Alone and in Combination With Oral Antiobesity Agents in Overweight and Obese Subjects

A Phase 2 interventional study of pramlintide acetate and sibutramine in Overweight and Obesity, sponsored by AstraZeneca. Completed at 16 sites in United States. Open to participants aged 18 Years to 65 Years. Per ClinicalTrials.gov, last updated 2015-03-06.

Sponsored by AstraZeneca · Phase 2, Interventional, and Treatment

Phase
Phase 2
Study type
Interventional
Enrollment
258
Allocation
Randomized
Ages
18 Years to 65 Years
Sex
All
01

Study summary

This study will examine the safety, tolerability, and body weight effect of subcutaneous pramlintide alone and in various combinations with the oral antiobesity agents sibutramine or phentermine in overweight and obese subjects.

02

Conditions studied

  • Overweight
  • Obesity

Keywords

  • overweight
  • obesity
  • pramlintide
  • Symlin
  • sibutramine
  • Meridia
  • phentermine
  • Amylin
03

In context

Overweight

3,670 studies on the registry are indexed under Overweight; 849 are open to participants now.

This study's enrollment of 258 is above the median of 73 across 3,175 interventional studies indexed under Overweight.

Browse Overweight studies →

Lead sponsor

AstraZeneca is the lead sponsor of 3,429 studies on the registry; 270 are open to participants now.

Of its 357 completed or terminated interventional studies of FDA-regulated products, 173 (48%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 65 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Is obese with a Body Mass Index (BMI) >=30 kg/m\^2 to \<=50 kg/m\^2 or overweight with a BMI >=27 kg/m\^2 in the presence of other risk factors (e.g., hyperlipidemia, sleep apnea, or treatment for these conditions)
  • Has been obese or overweight for at least one year prior to study start
  • Either is not treated with or has been on a stable treatment regimen with any of the following medications for a minimum of 2 months prior to study start: *hormone replacement therapy; *oral contraceptives; *lipid-lowering agents; *thyroid replacement therapy; *metformin

Exclusion criteria

Exclusion Criteria:

  • Is currently enrolled in or is planning to enroll in a formal weight-loss program
  • Is unwilling or unable to participate in a lifestyle intervention program as part of the study
  • Has been treated (within the 2 months prior to study start), is currently treated, or is expected to require or undergo treatment with any of the following excluded medications: *prescription or over the counter antiobesity agents (within the 6 months prior to study start); *psychotropic/neurological agents (i.e., antipsychotic, antiepileptic, antidepressant, or antianxiety agents, or mood stabilizers); *steroids that are known to result in high systemic absorption; *calcitonin; *ketoconazole; *antidiabetic medications
  • Has had liposuction, abdominoplasty, or a similar procedure within 1 year before study start or is planning to have such a procedure during the study
  • Has received any investigational drug within 1 month (or 5 half-lives of investigational drug, whichever is greater) before study start
  • Has previously used pramlintide either by prescription or as part of a clinical study
  • Has used sibutramine or phentermine (either by prescription or as part of a clinical study) within 2 years before study start
  • Has donated blood within 2 months before study start, or is planning to donate blood during the study
05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Single (Participant)
Enrollment
258 participants (actual)

Study arms

  • Experimental
    1

    Drug: pramlintide acetate

  • Experimental
    2

    Drug: pramlintide acetate · Drug: sibutramine

  • Experimental
    3

    Drug: pramlintide acetate · Drug: phentermine

  • Placebo comparator
    4

    Drug: placebo

Interventions

  • Drugpramlintide acetate

    subcutaneous injection, three times a day, 120mcg

    Also known as: Symlin

  • Drugsibutramine

    oral tablet, once a day, 10mg

    Also known as: Meridia

  • Drugphentermine

    oral tablet, once a day, 37.5mg

    Also known as: Adipex-P, Fastin, Obenix, Oby-Trim

  • Drugplacebo

    subcutaneous injection, three times a day

06

What researchers measure

Primary outcomes

  1. All treatment-emergent adverse events occurring during the 24-week treatment period

    Time frame: 24 weeks

  2. Absolute change in body weight from baseline to Week 12

    Time frame: 12 weeks

Secondary outcomes

  1. Percent change in body weight from baseline to Week 12

    Time frame: 12 weeks

  2. Percentage of subjects achieving at least 5% weight loss from baseline to Week 12 and Week 24

    Time frame: 24 weeks

  3. Absolute and percent changes in body weight from baseline to Week 2, Week 4, Week 8, Week 16, Week 20, and Week 24

    Time frame: 24 weeks

  4. Absolute changes in anthropometric measurements (hip and waist circumferences) from baseline to Week 12 and Week 24

    Time frame: 24 weeks

  5. Changes in fasting serum concentrations of lipids from baseline to Week 12 and Week 24

    Time frame: 24 weeks

  6. Changes in summary measures derived from patient reported outcome questionnaires from baseline to Week 12 and Week 24

    Time frame: 24 weeks

  7. Changes in individual item responses from patient reported outcome questionnaires from baseline to Week 12 and Week 24

    Time frame: 24 weeks

07

Study locations

16 sites
  • Research Site
    Birmingham, Alabama, United States
  • Research Site
    Phoenix, Arizona, United States
  • Research Site
    Chula Vista, California, United States
  • Research Site
    La Jolla, California, United States
  • Research Site
    Los Angeles, California, United States
  • Research Site
    Walnut Creek, California, United States
  • Research Site
    Miami, Florida, United States
  • Research Site
    Pembroke Pines, Florida, United States
  • Research Site
    Louisville, Kentucky, United States
  • Research Site
    New York, New York, United States
  • Research Site
    Raleigh, North Carolina, United States
  • Research Site
    Statesville, North Carolina, United States
  • Research Site
    Eugene, Oregon, United States
  • Research Site
    Philadelphia, Pennsylvania, United States
  • Research Site
    Austin, Texas, United States
  • Research Site
    San Antonio, Texas, United States
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Mar 6, 2015, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT00402077
Lead sponsor
AstraZeneca
Responsible party
Sponsor
First posted
Nov 22, 2006
Start date
Nov 2006
Primary completion
Aug 2007
Completion
Aug 2007
Last update
Mar 6, 2015

Study contacts

Lisa Porter, MD
study director · Amylin Pharmaceuticals, LLC.

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

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