Trial Outcomes & Findings for Oral Contraceptives, Insulin Resistance and Cardiovascular Risk Profile in Pre-Menopausal Women (NCT NCT01475513)

NCT ID: NCT01475513

Last Updated: 2018-08-08

Results Overview

Insulin sensitivity from Frequently sampled IV glucose tolerance test (FSIVGTT), change from baseline to 6 months. Higher values indicate better insulin sensitivity

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

47 participants

Primary outcome timeframe

Baseline, 6 months

Results posted on

2018-08-08

Participant Flow

Participant milestones

Participant milestones
Measure
African-American Women
African-American women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Caucasian Women
Caucasian women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Overall Study
STARTED
20
26
Overall Study
COMPLETED
17
16
Overall Study
NOT COMPLETED
3
10

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Oral Contraceptives, Insulin Resistance and Cardiovascular Risk Profile in Pre-Menopausal Women

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
African-American Women
n=18 Participants
African-American women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Caucasian Women
n=17 Participants
Caucasian women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Total
n=35 Participants
Total of all reporting groups
Age, Continuous
20.3 years
STANDARD_DEVIATION 3.43 • n=5 Participants
21.6 years
STANDARD_DEVIATION 3.92 • n=7 Participants
21.0 years
STANDARD_DEVIATION 3.68 • n=5 Participants
Sex: Female, Male
Female
18 Participants
n=5 Participants
17 Participants
n=7 Participants
35 Participants
n=5 Participants
Sex: Female, Male
Male
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
18 Participants
n=5 Participants
0 Participants
n=7 Participants
18 Participants
n=5 Participants
Race (NIH/OMB)
White
0 Participants
n=5 Participants
17 Participants
n=7 Participants
17 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Region of Enrollment
United States
18 Participants
n=5 Participants
17 Participants
n=7 Participants
35 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Baseline, 6 months

Insulin sensitivity from Frequently sampled IV glucose tolerance test (FSIVGTT), change from baseline to 6 months. Higher values indicate better insulin sensitivity

Outcome measures

Outcome measures
Measure
African-American Women
n=16 Participants
African-American women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Caucasian Women
n=15 Participants
Caucasian women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Change From Baseline in Insulin Sensitivity
-1.91 min ^ -1 / mIU / L
Interval -5.63 to 1.8
-5.63 min ^ -1 / mIU / L
Interval -9.47 to -1.8

PRIMARY outcome

Timeframe: Baseline, 6 months

Population: Data based on images. Some participants images could not be analyzed numerically.

Change Flow-mediated Vasodilatation from baseline to 6 months. Higher values indicate less cardiovascular risk

Outcome measures

Outcome measures
Measure
African-American Women
n=5 Participants
African-American women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Caucasian Women
n=9 Participants
Caucasian women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Change From Baseline in Flow-mediated Vasodilatation
0.0503 mm
Interval -0.0905 to 0.19099
-0.0210 mm
Interval -0.0868 to 0.04479

PRIMARY outcome

Timeframe: baseline, 6 months

Population: Data based on images. Some participants images could not be analyzed numerically.

Change in Carotid Intima Media Thickness from baseline to 6 months, measured on the right carotid artery, posterior. Lower values indicate better cardiovascular risk profile

Outcome measures

Outcome measures
Measure
African-American Women
n=4 Participants
African-American women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Caucasian Women
n=9 Participants
Caucasian women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Change From Baseline in Carotid Intima Media Thickness
-0.00008 mm
Interval -0.0054 to 0.00523
0.00118 mm
Interval -0.0024 to 0.00472

SECONDARY outcome

Timeframe: Baseline, 6 months

Acute Insulin Response to Glucose values obtained from FSIVGTT models--higher values indicate better insulin response

Outcome measures

Outcome measures
Measure
African-American Women
n=17 Participants
African-American women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Caucasian Women
n=15 Participants
Caucasian women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Change From Baseline in Acute Insulin Response to Glucose
-35.6 mIU* L^-1 * min
Interval -251.0 to 179.77
0.48 mIU* L^-1 * min
Interval -88.4 to 89.35

SECONDARY outcome

Timeframe: Baseline, 6 months

Obtained from FSIVGTT models--higher values indicate better effectiveness of glucose inducing its own disposition

Outcome measures

Outcome measures
Measure
African-American Women
n=16 Participants
African-American women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Caucasian Women
n=15 Participants
Caucasian women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Change From Baseline in Glucose Effectiveness
-0.0255 1000 * min ^ -1
Interval -0.045 to -0.0059
-0.0078 1000 * min ^ -1
Interval -0.0134 to -0.0022

SECONDARY outcome

Timeframe: Baseline, 6 months

Modeled from FISVGTT--higher values indicate better glucose disposition

Outcome measures

Outcome measures
Measure
African-American Women
n=16 Participants
African-American women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Caucasian Women
n=15 Participants
Caucasian women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Change From Baseline in Disposition Index at 6 Months
-911.73 AIRG * Si
Interval -2005.0 to 181.04
-834.53 AIRG * Si
Interval -1963.0 to 294.09

SECONDARY outcome

Timeframe: Baseline, 6 months

Higher fasting insulin values indicate an increased metabolic risk

Outcome measures

Outcome measures
Measure
African-American Women
n=15 Participants
African-American women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Caucasian Women
n=15 Participants
Caucasian women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Change From Baseline in Fasting Insulin at 6 Months
1.66 uIU/ mL
Interval 0.568 to 2.743
1.45 uIU/ mL
Interval 0.363 to 2.537

SECONDARY outcome

Timeframe: Baseline, 6 months

Higher fasting glucose indicate an increased metabolic risk

Outcome measures

Outcome measures
Measure
African-American Women
n=16 Participants
African-American women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Caucasian Women
n=15 Participants
Caucasian women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Change From Baseline in Fasting Glucose at 6 Months
-0.4 mg/dL
Interval -3.98 to 3.16
03 mg/dL
Interval -3.46 to 3.92

SECONDARY outcome

Timeframe: Baselines, 6 months

Measured during oral glucose tolerance test. Higher values indicate increased metabolic risk

Outcome measures

Outcome measures
Measure
African-American Women
n=15 Participants
African-American women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Caucasian Women
n=15 Participants
Caucasian women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Change From Baseline in Areas-under-the-curve for Insulin at 6 Months
760.6 mIU/mL * min
Interval -271.8 to 1733.1
1062.1 mIU/mL * min
Interval 29.7 to 2094.5

SECONDARY outcome

Timeframe: Baseline, 6 months

Measured during oral glucose tolerance test. Higher values indicate increased metabolic risk

Outcome measures

Outcome measures
Measure
African-American Women
n=15 Participants
African-American women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Caucasian Women
n=15 Participants
Caucasian women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Change From Baseline in Areas-under-the-curve for Glucose
443.4 mg/dL * min
Interval -623.7 to 1510.4
514.2 mg/dL * min
Interval -552.8 to 1581.2

SECONDARY outcome

Timeframe: Baseline, 6 months

Higher value indicates increased cardiovascular risk

Outcome measures

Outcome measures
Measure
African-American Women
n=16 Participants
African-American women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Caucasian Women
n=16 Participants
Caucasian women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Change From Baseline in Systolic Blood Pressure at 6 Months
2.5 mmHg
Interval -2.11 to 7.05
-1.4 mmHg
Interval -6.0 to 3.17

SECONDARY outcome

Timeframe: Baseline, 6 months

Lower values indicate increased cardiovascular risk

Outcome measures

Outcome measures
Measure
African-American Women
n=16 Participants
African-American women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Caucasian Women
n=16 Participants
Caucasian women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Change From Baseline in HDL at 6 Months
6.8 mg/dL
Interval 3.69 to 9.94
6.9 mg/dL
Interval 2.96 to 10.79

SECONDARY outcome

Timeframe: Baseline, 6 months

Higher values indicate higher metabolic risk

Outcome measures

Outcome measures
Measure
African-American Women
n=16 Participants
African-American women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Caucasian Women
n=16 Participants
Caucasian women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Change From Baseline in Body Mass Index in 6 Months
-0.32 Kg/m2
Interval -0.886 to 0.253
0.39 Kg/m2
Interval -0.669 to 1.456

SECONDARY outcome

Timeframe: Baseline, 6 months

Higher value indicates higher cardiovascular risk

Outcome measures

Outcome measures
Measure
African-American Women
n=16 Participants
African-American women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Caucasian Women
n=16 Participants
Caucasian women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Change in Diastolic Blood Pressure From Baseline to 6 Months
0.6 mmHg
Interval -2.64 to 3.89
2.44 mmHg
Interval -0.83 to 5.7

SECONDARY outcome

Timeframe: Baseline, 6 months

Higher value indicates higher cardiovascular risk

Outcome measures

Outcome measures
Measure
African-American Women
n=16 Participants
African-American women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Caucasian Women
n=16 Participants
Caucasian women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Change in LDL From Baseline to 6 Months
13.4 mg/dL
Interval 5.71 to 21.04
17.1 mg/dL
Interval 6.1 to 28.15

SECONDARY outcome

Timeframe: Baseline, 6 months

Higher values indicate higher cardiovascular risk

Outcome measures

Outcome measures
Measure
African-American Women
n=16 Participants
African-American women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Caucasian Women
n=16 Participants
Caucasian women Ortho Cyclen®: Ethinyl estradiol 35 mcg and norgestimate 0.25 mg (oral) took one tablet daily for 21 days per month followed by a 7-day pill-free period per cycle. Duration of the study is for 6 cycles of this birth control pill.
Change in Triglycerides From Baseline to 6 Months
13.3 mg/dL
Interval -3.78 to 30.28
29.3 mg/dL
Interval 4.23 to 54.27

Adverse Events

African-American Women

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

Caucasian Women

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

Kai Cheang

Virginia Commonwealth University

Phone: 8049863269

Results disclosure agreements

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