Trial Outcomes & Findings for Glycemic Effect of Colesevelam HCl (Welchol) in Patients With Type 2 Diabetes (NCT NCT00993824)

NCT ID: NCT00993824

Last Updated: 2015-11-30

Results Overview

Double Blinded CGM used for 2 week periods at the start of treatment 1, end of treatment 1, start of treatment 2, and end of treatment 2.

Recruitment status

COMPLETED

Study phase

PHASE2/PHASE3

Target enrollment

21 participants

Primary outcome timeframe

2 week periods at the start of treatment 1, end of treatment 1, start of treatment 2, and end of treatment 2.

Results posted on

2015-11-30

Participant Flow

Recruitment Jan 2010 to Mar 2011. Medical Clinic Setting.

Participant milestones

Participant milestones
Measure
Welchol Then Placebo
3.75 grams of colesevelam HCl (Welchol) taken for 12 weeks at evening meal, and then crossover to placebo taken at evening meal fro 12 weeks.
Placebo Then Welchol
Placebo taken for 12 weeks at evening meal, and then crossover to 3.75 grams of colesevelam HCl taken at evening meal for 12 weeks.
Overall Study
STARTED
11
10
Overall Study
COMPLETED
11
10
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Glycemic Effect of Colesevelam HCl (Welchol) in Patients With Type 2 Diabetes

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Welchol Then Placebo
n=11 Participants
3.75 grams of colesevelam HCl taken at evening meal for 12 weeks, then crossover to placebo taken at evening meal for 12 weeks.
Placebo Then Welchol
n=10 Participants
Placebo taken at evening meal for 12 weeks, then crossover to 3.75 grams of colesevelam HCl taken at evening meal for 12 weeks.
Total
n=21 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
9 Participants
n=5 Participants
9 Participants
n=7 Participants
18 Participants
n=5 Participants
Age, Categorical
>=65 years
2 Participants
n=5 Participants
1 Participants
n=7 Participants
3 Participants
n=5 Participants
Age, Continuous
59.5 years
STANDARD_DEVIATION 9.4 • n=5 Participants
59.5 years
STANDARD_DEVIATION 7.2 • n=7 Participants
59.5 years
STANDARD_DEVIATION 8.2 • n=5 Participants
Sex: Female, Male
Female
9 Participants
n=5 Participants
6 Participants
n=7 Participants
15 Participants
n=5 Participants
Sex: Female, Male
Male
2 Participants
n=5 Participants
4 Participants
n=7 Participants
6 Participants
n=5 Participants
Region of Enrollment
United States
11 participants
n=5 Participants
10 participants
n=7 Participants
21 participants
n=5 Participants
Total norm AUC average
162.2 mg/(dL/hr) (normalized)
STANDARD_DEVIATION 16.0 • n=5 Participants
167.7 mg/(dL/hr) (normalized)
STANDARD_DEVIATION 25.9 • n=7 Participants
164.8 mg/(dL/hr) (normalized)
STANDARD_DEVIATION 20.9 • n=5 Participants
Sleep norm Area under the curve average by group
157.1 mg/(dL/hr) (normalized)
STANDARD_DEVIATION 14.3 • n=5 Participants
161.2 mg/(dL/hr) (normalized)
STANDARD_DEVIATION 23.4 • n=7 Participants
159.1 mg/(dL/hr) (normalized)
STANDARD_DEVIATION 18.8 • n=5 Participants
Wake norm area under the curve average by group
165.2 mg/(dL/hr) (normalized)
STANDARD_DEVIATION 17.8 • n=5 Participants
170.0 mg/(dL/hr) (normalized)
STANDARD_DEVIATION 28.1 • n=7 Participants
167.5 mg/(dL/hr) (normalized)
STANDARD_DEVIATION 22.8 • n=5 Participants
Hypoglycemia percentage of time <70 mg/dL average by group
0.4 percentage of time <70 mg/dL
STANDARD_DEVIATION 0.4 • n=5 Participants
0.3 percentage of time <70 mg/dL
STANDARD_DEVIATION 0.6 • n=7 Participants
0.4 percentage of time <70 mg/dL
STANDARD_DEVIATION 0.5 • n=5 Participants

PRIMARY outcome

Timeframe: 2 week periods at the start of treatment 1, end of treatment 1, start of treatment 2, and end of treatment 2.

Double Blinded CGM used for 2 week periods at the start of treatment 1, end of treatment 1, start of treatment 2, and end of treatment 2.

Outcome measures

Outcome measures
Measure
Welchol Then Placebo
n=11 Participants
3.75 grams of colesevelam HCl taken at evening meal for 12 weeks, then crossover to placebo taken at evening meal for 12 weeks.
Placebo Then Welchol
n=10 Participants
Placebo taken at evening meal for 12 weeks, then crossover to 3.75 grams of colesevelam HCl taken at evening meal for 12 weeks.
Total Norm AUC Average by Group (Normalized)
Start of Treatment 1
150.8 mg/(dL/hr) normalized
Standard Deviation 10.8
175.9 mg/(dL/hr) normalized
Standard Deviation 29.2
Total Norm AUC Average by Group (Normalized)
End of Treatment 1
149.9 mg/(dL/hr) normalized
Standard Deviation 17.2
175.1 mg/(dL/hr) normalized
Standard Deviation 27.4
Total Norm AUC Average by Group (Normalized)
Start of Treatment 2
163.2 mg/(dL/hr) normalized
Standard Deviation 23.5
159.4 mg/(dL/hr) normalized
Standard Deviation 23.9
Total Norm AUC Average by Group (Normalized)
End of Treatment 2
177.9 mg/(dL/hr) normalized
Standard Deviation 33.2
159.4 mg/(dL/hr) normalized
Standard Deviation 25.3

PRIMARY outcome

Timeframe: 2 week periods at the start of treatment 1, end of treatment 1, start of treatment 2, and end of treatment 2.

Overnight glucose captured by CGM.

Outcome measures

Outcome measures
Measure
Welchol Then Placebo
n=11 Participants
3.75 grams of colesevelam HCl taken at evening meal for 12 weeks, then crossover to placebo taken at evening meal for 12 weeks.
Placebo Then Welchol
n=10 Participants
Placebo taken at evening meal for 12 weeks, then crossover to 3.75 grams of colesevelam HCl taken at evening meal for 12 weeks.
Sleep Norm AUC Average by Group (Normalized)
Start of Treatment 1
147.4 mg/(dL/hr) normalized
Standard Deviation 16.6
161.9 mg/(dL/hr) normalized
Standard Deviation 25.7
Sleep Norm AUC Average by Group (Normalized)
End of Treatment 1
148.0 mg/(dL/hr) normalized
Standard Deviation 24.0
160.2 mg/(dL/hr) normalized
Standard Deviation 27.9
Sleep Norm AUC Average by Group (Normalized)
Start of Treatment 2
158.8 mg/(dL/hr) normalized
Standard Deviation 31.8
147.9 mg/(dL/hr) normalized
Standard Deviation 24.4
Sleep Norm AUC Average by Group (Normalized)
End of Treatment 2
172.0 mg/(dL/hr) normalized
Standard Deviation 32.5
143.6 mg/(dL/hr) normalized
Standard Deviation 18.6

PRIMARY outcome

Timeframe: 2 week periods at the start of treatment 1, end of treatment 1, start of treatment 2, and end of treatment 2.

Wake glucose captured by continuous glucose monitoring (CGM).

Outcome measures

Outcome measures
Measure
Welchol Then Placebo
n=11 Participants
3.75 grams of colesevelam HCl taken at evening meal for 12 weeks, then crossover to placebo taken at evening meal for 12 weeks.
Placebo Then Welchol
n=10 Participants
Placebo taken at evening meal for 12 weeks, then crossover to 3.75 grams of colesevelam HCl taken at evening meal for 12 weeks.
Wake Norm AUC Average by Group (Normalized)
Start of Treatment 1
153.3 mg/(dL/hr) (normalized)
Standard Deviation 11.7
180.9 mg/(dL/hr) (normalized)
Standard Deviation 32.2
Wake Norm AUC Average by Group (Normalized)
End of Treatment 1
151.2 mg/(dL/hr) (normalized)
Standard Deviation 16.0
180.6 mg/(dL/hr) (normalized)
Standard Deviation 29.6
Wake Norm AUC Average by Group (Normalized)
Start of Treatment 2
165.2 mg/(dL/hr) (normalized)
Standard Deviation 21.2
163.8 mg/(dL/hr) (normalized)
Standard Deviation 25.6
Wake Norm AUC Average by Group (Normalized)
End of Treatment 2
180.9 mg/(dL/hr) (normalized)
Standard Deviation 34.2
165.2 mg/(dL/hr) (normalized)
Standard Deviation 30.5

PRIMARY outcome

Timeframe: 2 week periods at the start of treatment 1, end of treatment 1, start of treatment 2, and end of treatment 2.

Ambulatory glucose profile (AGP) reports were examined for the changes in the incidence of hypoglycemia (CGM\<70 mg/dL)

Outcome measures

Outcome measures
Measure
Welchol Then Placebo
n=11 Participants
3.75 grams of colesevelam HCl taken at evening meal for 12 weeks, then crossover to placebo taken at evening meal for 12 weeks.
Placebo Then Welchol
n=10 Participants
Placebo taken at evening meal for 12 weeks, then crossover to 3.75 grams of colesevelam HCl taken at evening meal for 12 weeks.
Hypoglycemia Percentage of Time <70 mg/dL Average by Group
End of Treatment 2
0.6 percentage of time <70 mg/dL
Standard Deviation 1.2
0.6 percentage of time <70 mg/dL
Standard Deviation 1.1
Hypoglycemia Percentage of Time <70 mg/dL Average by Group
Start of Treatment 1
1.2 percentage of time <70 mg/dL
Standard Deviation 1.3
0.3 percentage of time <70 mg/dL
Standard Deviation 0.6
Hypoglycemia Percentage of Time <70 mg/dL Average by Group
End of Treatment 1
0.8 percentage of time <70 mg/dL
Standard Deviation 1.1
0.4 percentage of time <70 mg/dL
Standard Deviation 0.6
Hypoglycemia Percentage of Time <70 mg/dL Average by Group
Start of Treatment 2
0.8 percentage of time <70 mg/dL
Standard Deviation 1.2
0.7 percentage of time <70 mg/dL
Standard Deviation 1.0

Adverse Events

Welchol

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Placebo

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Roger Mazze PhD

International Diabetes Center

Phone: 952-993-3796

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place