Trial Outcomes & Findings for Alternate Day Fasting for Weight Loss, Weight Maintenance and Cardio-protection (NCT NCT00960505)

NCT ID: NCT00960505

Last Updated: 2020-07-21

Results Overview

Change in body weight from baseline to month 12

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

100 participants

Primary outcome timeframe

Baseline to month 12

Results posted on

2020-07-21

Participant Flow

Participant milestones

Participant milestones
Measure
Alternate Day Fasting (ADF)
Fast day diet: 25% energy intake, Feast day diet: Ad libitum energy intake (alternating days) Alternate day fasting
Calorie Restriction (CR)
75% energy intake every day Calorie restriction
Control
Usual diet Control diet
Overall Study
STARTED
34
35
31
Overall Study
COMPLETED
21
25
23
Overall Study
NOT COMPLETED
13
10
8

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Alternate Day Fasting for Weight Loss, Weight Maintenance and Cardio-protection

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Alternate Day Fasting (ADF)
n=34 Participants
Fast day diet: 25% energy intake, Feast day diet: Ad libitum energy intake (alternating days) Alternate day fasting
Calorie Restriction (CR)
n=35 Participants
75% energy intake every day Calorie restriction
Control
n=31 Participants
Usual diet Control diet
Total
n=100 Participants
Total of all reporting groups
Age, Continuous
44 Years
STANDARD_DEVIATION 10 • n=5 Participants
43 Years
STANDARD_DEVIATION 12 • n=7 Participants
44 Years
STANDARD_DEVIATION 11 • n=5 Participants
44 Years
STANDARD_DEVIATION 11 • n=4 Participants
Sex: Female, Male
Female
30 Participants
n=5 Participants
29 Participants
n=7 Participants
27 Participants
n=5 Participants
86 Participants
n=4 Participants
Sex: Female, Male
Male
4 Participants
n=5 Participants
6 Participants
n=7 Participants
4 Participants
n=5 Participants
14 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
n=5 Participants
1 Participants
n=7 Participants
0 Participants
n=5 Participants
3 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
32 Participants
n=5 Participants
34 Participants
n=7 Participants
31 Participants
n=5 Participants
97 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
Asian
1 Participants
n=5 Participants
1 Participants
n=7 Participants
0 Participants
n=5 Participants
2 Participants
n=4 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
0 Participants
n=4 Participants
Race (NIH/OMB)
Black or African American
22 Participants
n=5 Participants
21 Participants
n=7 Participants
20 Participants
n=5 Participants
63 Participants
n=4 Participants
Race (NIH/OMB)
White
11 Participants
n=5 Participants
13 Participants
n=7 Participants
11 Participants
n=5 Participants
35 Participants
n=4 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants

PRIMARY outcome

Timeframe: Baseline to month 12

Change in body weight from baseline to month 12

Outcome measures

Outcome measures
Measure
Alternate Day Fasting (ADF)
n=34 Participants
Fast day diet: 25% energy intake, Feast day diet: Ad libitum energy intake (alternating days) Alternate day fasting
Calorie Restriction (CR)
n=35 Participants
75% energy intake every day Calorie restriction
Control
n=31 Participants
Usual diet
Body Weight
-4.6 Percent change at month 12
Standard Error 0.9
-4.5 Percent change at month 12
Standard Error 0.9
0.3 Percent change at month 12
Standard Error 0.6

SECONDARY outcome

Timeframe: 12 month interval

Change in HDL cholesterol from baseline to month 12

Outcome measures

Outcome measures
Measure
Alternate Day Fasting (ADF)
n=34 Participants
Fast day diet: 25% energy intake, Feast day diet: Ad libitum energy intake (alternating days) Alternate day fasting
Calorie Restriction (CR)
n=35 Participants
75% energy intake every day Calorie restriction
Control
n=31 Participants
Usual diet
Change in HDL Cholesterol
4.6 Percent change from baseline to month 12
Standard Error 3.1
-0.5 Percent change from baseline to month 12
Standard Error 3.1
-3.4 Percent change from baseline to month 12
Standard Error 3.9

SECONDARY outcome

Timeframe: 12 month interval

Change in systolic blood pressure from baseline to month 12

Outcome measures

Outcome measures
Measure
Alternate Day Fasting (ADF)
n=34 Participants
Fast day diet: 25% energy intake, Feast day diet: Ad libitum energy intake (alternating days) Alternate day fasting
Calorie Restriction (CR)
n=35 Participants
75% energy intake every day Calorie restriction
Control
n=31 Participants
Usual diet
Change in Systolic Blood Pressure
-3.5 Percent change from baseline to month 12
Standard Error 2.3
-2.9 Percent change from baseline to month 12
Standard Error 2.0
-2.6 Percent change from baseline to month 12
Standard Error 4.0

SECONDARY outcome

Timeframe: 12 month interval

Change in fasting glucose from baseline to month 12

Outcome measures

Outcome measures
Measure
Alternate Day Fasting (ADF)
n=34 Participants
Fast day diet: 25% energy intake, Feast day diet: Ad libitum energy intake (alternating days) Alternate day fasting
Calorie Restriction (CR)
n=35 Participants
75% energy intake every day Calorie restriction
Control
n=31 Participants
Usual diet
Change in Fasting Glucose
4.0 Percent change from baseline to month 12
Standard Error 2.0
-1.9 Percent change from baseline to month 12
Standard Error 3.3
10.7 Percent change from baseline to month 12
Standard Error 3.4

SECONDARY outcome

Timeframe: 12 month interval

Change in fasting insulin from baseline to month 12

Outcome measures

Outcome measures
Measure
Alternate Day Fasting (ADF)
n=34 Participants
Fast day diet: 25% energy intake, Feast day diet: Ad libitum energy intake (alternating days) Alternate day fasting
Calorie Restriction (CR)
n=35 Participants
75% energy intake every day Calorie restriction
Control
n=31 Participants
Usual diet
Change in Fasting Insulin
-35 Percent change from baseline to month 12
Standard Error 11
-28 Percent change from baseline to month 12
Standard Error 9
-2.5 Percent change from baseline to month 12
Standard Error 13

SECONDARY outcome

Timeframe: 12 month interval

Change in insulin resistance measured by HOMA-IR from baseline to month 12

Outcome measures

Outcome measures
Measure
Alternate Day Fasting (ADF)
n=34 Participants
Fast day diet: 25% energy intake, Feast day diet: Ad libitum energy intake (alternating days) Alternate day fasting
Calorie Restriction (CR)
n=35 Participants
75% energy intake every day Calorie restriction
Control
n=31 Participants
Usual diet
Change in Insulin Resistance Measured by HOMA-IR
-36 Percent change from baseline to month 12
Standard Error 13
-34 Percent change from baseline to month 12
Standard Error 12
12 Percent change from baseline to month 12
Standard Error 16

SECONDARY outcome

Timeframe: 12 month interval

Change in plasma C-reactive protein concentrations from baseline to month 12

Outcome measures

Outcome measures
Measure
Alternate Day Fasting (ADF)
n=34 Participants
Fast day diet: 25% energy intake, Feast day diet: Ad libitum energy intake (alternating days) Alternate day fasting
Calorie Restriction (CR)
n=35 Participants
75% energy intake every day Calorie restriction
Control
n=31 Participants
Usual diet
Change in Plasma C-reactive Protein Concentrations
-13.9 Percent change from baseline to month 12
Standard Error 11.7
-6.2 Percent change from baseline to month 12
Standard Error 8.1
5.4 Percent change from baseline to month 12
Standard Error 16.8

SECONDARY outcome

Timeframe: 12 month interval

Change in plasma Homocysteine concentrations from baseline to month 12

Outcome measures

Outcome measures
Measure
Alternate Day Fasting (ADF)
n=34 Participants
Fast day diet: 25% energy intake, Feast day diet: Ad libitum energy intake (alternating days) Alternate day fasting
Calorie Restriction (CR)
n=35 Participants
75% energy intake every day Calorie restriction
Control
n=31 Participants
Usual diet
Change in Plasma Homocysteine Concentrations
0.2 Percent change from baseline to month 12
Standard Error 4.3
-1.2 Percent change from baseline to month 12
Standard Error 3.2
-2.6 Percent change from baseline to month 12
Standard Error 3.3

Adverse Events

Alternate Day Fasting (ADF)

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

Calorie Restriction (CR)

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

Control

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

Krista Varady, PhD, Associate Professor

University of Illinois Chicago

Phone: 3129967897

Results disclosure agreements

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