Effect of Sitagliptin and an ACE Inhibitor on Blood Pressure in Metabolic Syndrome

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
Nancy J. Brown, Vanderbilt University
ClinicalTrials.gov Identifier:
NCT00666848
First received: April 23, 2008
Last updated: April 12, 2012
Last verified: April 2012
Results First Received: September 4, 2011  
Study Type: Interventional
Study Design: Allocation: Randomized;   Endpoint Classification: Pharmacodynamics Study;   Intervention Model: Crossover Assignment;   Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor);   Primary Purpose: Basic Science
Conditions: Metabolic Syndrome
Hypertension
Interventions: Drug: Placebo
Drug: Enalapril 5mg
Drug: Enalapril 10mg
Drug: Sitagliptin

  Participant Flow
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Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
No text entered.

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
Subjects received a placebo pill for 5 days prior then arm 1,2,or3 and crossed over to sitagliptin 100mg/day for 5 days prior to arm 1,2,or3. This is a parallel cross over study. 43 subjects were consented. 15 did not meet inclusion criteria. 3 withdrew before randomization.

Reporting Groups
  Description
2 (Enalapril 5mg) Subjects received Enalapril 5mg on study day and a placebo pill for 5 days prior or subjects received enalapril 5mg on study day and sitagliptin 100mg/day for 5 days prior .
1 (Placebo) Subjects received a placebo pill on study day and received a placebo pill for 5 days prior or subjects received a Placebo pill on study day and sitagliptin 100mg for 5 days prior.
3 (Enalapril 10mg) Subjects received Enalapril 10mg on study day and a placebo pill for 5 days prior, or subjects received Enalapril 10mg on study day and sitagliptin 100mg for 5 days prior.

Participant Flow:   Overall Study
    2 (Enalapril 5mg)     1 (Placebo)     3 (Enalapril 10mg)  
STARTED     8 [1]   9 [1]   7 [1]
COMPLETED     8 [2]   9 [3]   7 [4]
NOT COMPLETED     0     0     0  
[1] 15 didn't meet inclusion criteria. 3 withdrew before randomized. 1 withdrawn before randomized.
[2] finished Aim 2
[3] finished Aim 1
[4] finished Aim 3



  Baseline Characteristics
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Reporting Groups
  Description
2 (Enalapril 5mg) Subjects received Enalapril 5mg on study day and a placebo pill for 5 days prior or subjects received enalapril 5mg on study day and sitagliptin 100mg/day for 5 days prior .
1 (Placebo) Subjects received a placebo pill on study day and received a placebo pill for 5 days prior or subjects received a Placebo pill on study day and sitagliptin 100mg for 5 days prior.
3 (Enalapril 10mg) Subjects received Enalapril 10mg on study day and a placebo pill for 5 days prior, or subjects received Enalapril 10mg on study day and sitagliptin 100mg for 5 days prior.
Total Total of all reporting groups

Baseline Measures
    2 (Enalapril 5mg)     1 (Placebo)     3 (Enalapril 10mg)     Total  
Number of Participants  
[units: participants]
  8     9     7     24  
Age  
[units: participants]
       
<=18 years     0     0     0     0  
Between 18 and 65 years     8     8     7     23  
>=65 years     0     1     0     1  
Age  
[units: years]
Mean ± Standard Deviation
  42  ± 9.8     44  ± 13.9     41  ± 9.1     43  ± 2.2  
Gender  
[units: participants]
       
Female     3     4     4     11  
Male     5     5     3     13  
Region of Enrollment  
[units: participants]
       
United States     8     9     7     24  



  Outcome Measures
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1.  Primary:   Change in MAP During Placebo   [ Time Frame: just prior to drug administration and 8 hours after drug administration ]

2.  Primary:   Change in MAP During Sitagliptin   [ Time Frame: just prior to drug administration and 8 hours following treatment ]


  Serious Adverse Events


  Other Adverse Events


  More Information