Trial Outcomes & Findings for The Energize! Study for Adults With Knee Replacement (NCT NCT06096727)

NCT ID: NCT06096727

Last Updated: 2026-03-27

Results Overview

Minutes of moderate to vigorous intensity physical activity assessed by Actigraph accelerometers

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

50 participants

Primary outcome timeframe

baseline to 3 months

Results posted on

2026-03-27

Participant Flow

Participant milestones

Participant milestones
Measure
Energize!
Participants randomized to Energize! will start the program immediately after baseline. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Delayed Energize!
Participants randomized to Delayed Energize! will start the program after the 3 month assessment. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Overall Study
STARTED
27
23
Overall Study
COMPLETED
19
22
Overall Study
NOT COMPLETED
8
1

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

The Energize! Study for Adults With Knee Replacement

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Energize!
n=27 Participants
Participants randomized to Energize! will start the program immediately after baseline. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Delayed Energize!
n=23 Participants
Participants randomized to Delayed Energize! will start the program after the 3 month assessment. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Total
n=50 Participants
Total of all reporting groups
Age, Continuous
69.0 years
STANDARD_DEVIATION 7.0 • n=56 Participants
66.8 years
STANDARD_DEVIATION 6.7 • n=62 Participants
68.0 years
STANDARD_DEVIATION 6.8 • n=123 Participants
Sex: Female, Male
Female
21 Participants
n=56 Participants
19 Participants
n=62 Participants
40 Participants
n=123 Participants
Sex: Female, Male
Male
6 Participants
n=56 Participants
4 Participants
n=62 Participants
10 Participants
n=123 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=56 Participants
0 Participants
n=62 Participants
0 Participants
n=123 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
27 Participants
n=56 Participants
23 Participants
n=62 Participants
50 Participants
n=123 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=56 Participants
0 Participants
n=62 Participants
0 Participants
n=123 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=56 Participants
0 Participants
n=62 Participants
0 Participants
n=123 Participants
Race (NIH/OMB)
Asian
0 Participants
n=56 Participants
0 Participants
n=62 Participants
0 Participants
n=123 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=56 Participants
0 Participants
n=62 Participants
0 Participants
n=123 Participants
Race (NIH/OMB)
Black or African American
2 Participants
n=56 Participants
0 Participants
n=62 Participants
2 Participants
n=123 Participants
Race (NIH/OMB)
White
23 Participants
n=56 Participants
23 Participants
n=62 Participants
46 Participants
n=123 Participants
Race (NIH/OMB)
More than one race
2 Participants
n=56 Participants
0 Participants
n=62 Participants
2 Participants
n=123 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=56 Participants
0 Participants
n=62 Participants
0 Participants
n=123 Participants
Actigraph assessed moderate-vigorous intensity physical activity
58.9 minutes/week
STANDARD_DEVIATION 53.1 • n=56 Participants
52.9 minutes/week
STANDARD_DEVIATION 73.9 • n=62 Participants
54.0 minutes/week
STANDARD_DEVIATION 61.3 • n=123 Participants

PRIMARY outcome

Timeframe: baseline to 3 months

Minutes of moderate to vigorous intensity physical activity assessed by Actigraph accelerometers

Outcome measures

Outcome measures
Measure
Energize!
n=19 Participants
Participants randomized to Energize! will start the program immediately after baseline. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Delayed Energize!
n=22 Participants
Participants randomized to Delayed Energize! will start the program after the 3 month assessment. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Minutes of Moderate to Vigorous Intensity Physical Activity
70.89 minutes/week
Standard Deviation 73.66
-7.71 minutes/week
Standard Deviation 25.77

PRIMARY outcome

Timeframe: baseline to 3 months

Pain intensity assessed by Patient-Reported Outcomes Measurement Information System pain intensity survey. 0 represents no pain and 10 reports the most severe pain

Outcome measures

Outcome measures
Measure
Energize!
n=19 Participants
Participants randomized to Energize! will start the program immediately after baseline. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Delayed Energize!
n=22 Participants
Participants randomized to Delayed Energize! will start the program after the 3 month assessment. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Pain Intensity
3.10 score on a scale
Standard Error 7
.22 score on a scale
Standard Error 4.81

PRIMARY outcome

Timeframe: baseline to 3 months

Physical function assessed by Patient-Reported Outcomes Measurement Information System (PROMIS) physical function/mobility survey. A t-score of 0 represents poor function compared to average and 100 represents better function. A t-score of 50 indicates the population mean with a standard deviation of 10.

Outcome measures

Outcome measures
Measure
Energize!
n=19 Participants
Participants randomized to Energize! will start the program immediately after baseline. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Delayed Energize!
n=22 Participants
Participants randomized to Delayed Energize! will start the program after the 3 month assessment. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Self-reported Physical Function
45 t score
Standard Deviation 6.6
40.3 t score
Standard Deviation 7.5

SECONDARY outcome

Timeframe: 3 months to 6 months

Minutes of moderate to vigorous intensity physical activity assessed by Actigraph accelerometers worn on the waist for 7 days

Outcome measures

Outcome measures
Measure
Energize!
n=19 Participants
Participants randomized to Energize! will start the program immediately after baseline. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Delayed Energize!
n=22 Participants
Participants randomized to Delayed Energize! will start the program after the 3 month assessment. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Minutes/Week of Moderate to Vigorous Intensity Physical Activity
129.3 minutes/week
Standard Deviation 113.4
45.2 minutes/week
Standard Deviation 60.9

SECONDARY outcome

Timeframe: 3 months to 6 months

Pain intensity assessed by Patient-Reported Outcomes Measurement Information System pain intensity survey. 0 represents no pain and 10 reports the most severe pain

Outcome measures

Outcome measures
Measure
Energize!
n=19 Participants
Participants randomized to Energize! will start the program immediately after baseline. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Delayed Energize!
n=22 Participants
Participants randomized to Delayed Energize! will start the program after the 3 month assessment. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Pain Intensity
0.02 score on a scale
Standard Deviation 6.0
2.15 score on a scale
Standard Deviation 4.2

SECONDARY outcome

Timeframe: 3 months to 6 months

Physical function assessed by Patient-Reported Outcomes Measurement Information System (PROMIS) physical function/mobility survey. A t-score of 0 represents poor function compared to average and 100 represents better function. A t-score of 50 indicates the population mean with a standard deviation of 10.

Outcome measures

Outcome measures
Measure
Energize!
n=19 Participants
Participants randomized to Energize! will start the program immediately after baseline. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Delayed Energize!
n=22 Participants
Participants randomized to Delayed Energize! will start the program after the 3 month assessment. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Self-reported Physical Function
45.2 T score
Standard Deviation 6.8
40.1 T score
Standard Deviation 7.3

OTHER_PRE_SPECIFIED outcome

Timeframe: 3 months

Number of video lessons viewed

Outcome measures

Outcome measures
Measure
Energize!
n=27 Participants
Participants randomized to Energize! will start the program immediately after baseline. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Delayed Energize!
n=23 Participants
Participants randomized to Delayed Energize! will start the program after the 3 month assessment. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Adherence to Energize Program - Video Lessons Viewed
8.8 Videos watched
Standard Deviation 4.1
0 Videos watched
Standard Deviation 0

OTHER_PRE_SPECIFIED outcome

Timeframe: 3 months

Number of weeks exercise minutes were planned or reported

Outcome measures

Outcome measures
Measure
Energize!
n=27 Participants
Participants randomized to Energize! will start the program immediately after baseline. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Delayed Energize!
n=23 Participants
Participants randomized to Delayed Energize! will start the program after the 3 month assessment. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Adherence to Energize Program - Planning or Reporting Exercise Minutes
8.0 Number of weeks planned
Standard Deviation 4.5
0 Number of weeks planned
Standard Deviation 0

OTHER_PRE_SPECIFIED outcome

Timeframe: 3 months

Number of homework assignments completed

Outcome measures

Outcome measures
Measure
Energize!
n=27 Participants
Participants randomized to Energize! will start the program immediately after baseline. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Delayed Energize!
n=23 Participants
Participants randomized to Delayed Energize! will start the program after the 3 month assessment. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Adherence to Energize Program - Homework Assignments
6.9 Number of homework assignments done
Standard Deviation 4.3
0 Number of homework assignments done
Standard Deviation 0

Adverse Events

Energize!

Serious events: 2 serious events
Other events: 8 other events
Deaths: 0 deaths

Delayed Energize!

Serious events: 0 serious events
Other events: 6 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Energize!
n=27 participants at risk
Participants randomized to Energize! will start the program immediately after baseline. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Delayed Energize!
n=23 participants at risk
Participants randomized to Delayed Energize! will start the program after the 3 month assessment. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Metabolism and nutrition disorders
Hospitalization due to Hypokalemia
3.7%
1/27 • Number of events 1 • 6 months
adverse events
0.00%
0/23 • 6 months
adverse events
Musculoskeletal and connective tissue disorders
Septic arthritis
3.7%
1/27 • Number of events 1 • 6 months
adverse events
0.00%
0/23 • 6 months
adverse events

Other adverse events

Other adverse events
Measure
Energize!
n=27 participants at risk
Participants randomized to Energize! will start the program immediately after baseline. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Delayed Energize!
n=23 participants at risk
Participants randomized to Delayed Energize! will start the program after the 3 month assessment. Energize!: Energize! is 3 month online physical activity program which consists of weekly physical activity goals, video lessons, action planning, and homework.
Musculoskeletal and connective tissue disorders
fall
14.8%
4/27 • Number of events 4 • 6 months
adverse events
13.0%
3/23 • Number of events 3 • 6 months
adverse events
Gastrointestinal disorders
Hiatal hernia
3.7%
1/27 • Number of events 2 • 6 months
adverse events
4.3%
1/23 • Number of events 1 • 6 months
adverse events
Musculoskeletal and connective tissue disorders
Neck injury or strain
0.00%
0/27 • 6 months
adverse events
8.7%
2/23 • Number of events 2 • 6 months
adverse events
Musculoskeletal and connective tissue disorders
Shoulder injury/pain/surgery
11.1%
3/27 • Number of events 3 • 6 months
adverse events
4.3%
1/23 • Number of events 1 • 6 months
adverse events
Nervous system disorders
Cervical spinal fusion
0.00%
0/27 • 6 months
adverse events
4.3%
1/23 • Number of events 1 • 6 months
adverse events
Musculoskeletal and connective tissue disorders
Hip injury/surgery
3.7%
1/27 • Number of events 1 • 6 months
adverse events
4.3%
1/23 • Number of events 1 • 6 months
adverse events
Cardiac disorders
Atrial fibrilation
3.7%
1/27 • Number of events 1 • 6 months
adverse events
0.00%
0/23 • 6 months
adverse events
Respiratory, thoracic and mediastinal disorders
Low oxygen levels
3.7%
1/27 • Number of events 1 • 6 months
adverse events
0.00%
0/23 • 6 months
adverse events

Additional Information

Christine Pellegrini

University of South Carolina

Phone: 803-777-0911

Results disclosure agreements

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