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CompletedNCT00396357Updated Dec 17, 2020

Efficacy/Safety of Vildagliptin and Metformin Combination Therapy in Patients With Type 2 Diabetes Not Well Controlled With Metformin Alone

A Phase 3 interventional study of Vildagliptin and metformin in Diabetes Mellitus, Type 2, sponsored by Novartis Pharmaceuticals. Completed at 2 sites in 2 countries. Open to participants aged 18 Years to 78 Years. Per ClinicalTrials.gov, last updated 2020-12-17.

Sponsored by Novartis Pharmaceuticals · Phase 3, Interventional, and Treatment

Phase
Phase 3
Study type
Interventional
Enrollment
914
Allocation
Randomized
Ages
18 Years to 78 Years
Sex
All
01

Study summary

This study is designed to evaluate the efficacy and safety of vildagliptin in combination with metformin 500 mg bid compared to metformin 1000 mg bid in patients with type 2 diabetes.

02

Conditions studied

  • Diabetes Mellitus, Type 2

Keywords

  • Type 2 diabetes
  • vildagliptin
  • hemoglobin A1c
  • metformin
03

In context

Diabetes Mellitus

10,925 studies on the registry are indexed under Diabetes Mellitus; 1,319 are open to participants now.

This study's enrollment of 914 is above the median of 80 across 8,367 interventional studies indexed under Diabetes Mellitus.

Browse Diabetes Mellitus studies →

Lead sponsor

Novartis Pharmaceuticals is the lead sponsor of 2,673 studies on the registry; 228 are open to participants now.

Of its 576 completed or terminated interventional studies of FDA-regulated products, 431 (75%) have results posted.

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

04

Who can participate

Ages eligible
18 Years to 78 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • 18-78 years inclusive
  • Type 2 diabetes diagnosis at least 2 months prior to study entry
  • Body mass index in the range of 22-45 kg/m2
  • HbA1c in the range of 6.5 to 9% inclusive
  • Fasting plasma glucose \<270 mg/dL (15 mmol/L)

Exclusion criteria

Exclusion Criteria:

  • A history of type 1 diabetes
  • Evidence of significant diabetic complications
  • Treatment with insulin or any other oral antidiabetic agents
  • Congestive heart failure requiring pharmacologic treatment
  • Clinically significant renal dysfunction defined by metformin labeling criteria (serum creatinine levels >/= 1.5 mg/dl (males) and >/= 1.4 mg/dl (females)

Other protocol-defined inclusion/exclusion criteria may apply

05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Triple (Participant, Care provider, Investigator)
Enrollment
914 participants (actual)

Study arms

  • Experimental
    vildagliptin + metformin

    Drug: Vildagliptin

  • Active comparator
    Metformin

    Drug: metformin

Interventions

  • DrugVildagliptin
  • Drugmetformin
06

What researchers measure

Primary outcomes

  1. Change from baseline in hemoglobin A 1 c (HbA1c) after 24 weeks of treatment

    Time frame: 24 weeks

Secondary outcomes

  1. Adverse event profile after 24 weeks of treatment

    Time frame: 24 weeks

  2. Gastrointestinal tolerability after 24 weeks of treatment

    Time frame: 24 weeks

  3. Patients with endpoint HbA1c <7% and <6.5% after 24 weeks

    Time frame: 24 weeks

  4. Patients with reduction in HbA1c >0.7% after 24 weeks

    Time frame: 24 weeks

  5. Change from baseline in fasting plasma glucose after 24 weeks

    Time frame: 24 weeks

07

Study locations

2 sites
  • Novartis Pharmaceuticals
    East Hanover, New Jersey 07936, United States
  • Novartis Investigative Site
    Multiple Locations, Germany
08

References and documents

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 17, 2020, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT00396357
Lead sponsor
Novartis Pharmaceuticals
First posted
Nov 6, 2006
Start date
Oct 2006
Primary completion
Jun 2008
Last update
Dec 17, 2020

Study contacts

Novartis Pharmaceuticals
study director · Novartis Pharmaceuticals
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Dec 2012. You cannot join it, but the record below documents what was studied.

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