Trial Outcomes & Findings for Neuromodulation for Prevention of Intensive Care Unit Acquired Weakness and Post Intensive Care Syndrome (NCT NCT06238609)

NCT ID: NCT06238609

Last Updated: 2024-12-30

Results Overview

Gastrocnemius muscle endurance was assessed by measuring sustained involuntary muscle contractions using surface electromyography (sEMG; Delsys Trigno). During a 60-minute electrical stimulation therapy session, sEMG signals were recorded from the last two minutes of the therapy to evaluate muscle activity in response to electrical stimulation. The recorded sEMG data were normalized to the average sEMG signals captured during the same interval, yielding values in normalized units (n.u.), higher values indicate higher muscle endurance. The endpoint was defined as either the last day in the hospital or the completion of week 4 of the intervention, whichever occurred first.

Recruitment status

ACTIVE_NOT_RECRUITING

Study phase

NA

Target enrollment

25 participants

Primary outcome timeframe

Up to 4 weeks

Results posted on

2024-12-30

Participant Flow

Participant milestones

Participant milestones
Measure
Intervention Group
Subjects will receive a functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first. Intervention Group: Subjects will receive a functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Control Group
Subjects will receive a non-functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first. Control Group: Subjects will receive a non-functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Overall Study
STARTED
12
13
Overall Study
COMPLETED
12
13
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Neuromodulation for Prevention of Intensive Care Unit Acquired Weakness and Post Intensive Care Syndrome

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Intervention
n=12 Participants
Subjects will receive a functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first. Intervention Group: Subjects will receive a functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Control
n=13 Participants
Subjects will receive a non-functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first. Control Group: Subjects will receive a non-functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Total
n=25 Participants
Total of all reporting groups
Age, Continuous
55.9 years
STANDARD_DEVIATION 11.12 • n=99 Participants
59.4 years
STANDARD_DEVIATION 9.5 • n=107 Participants
57.7 years
STANDARD_DEVIATION 10.4 • n=206 Participants
Sex: Female, Male
Female
9 Participants
n=99 Participants
7 Participants
n=107 Participants
16 Participants
n=206 Participants
Sex: Female, Male
Male
3 Participants
n=99 Participants
6 Participants
n=107 Participants
9 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
n=99 Participants
2 Participants
n=107 Participants
4 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
10 Participants
n=99 Participants
11 Participants
n=107 Participants
21 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Asian
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Black or African American
3 Participants
n=99 Participants
2 Participants
n=107 Participants
5 Participants
n=206 Participants
Race (NIH/OMB)
White
9 Participants
n=99 Participants
11 Participants
n=107 Participants
20 Participants
n=206 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Region of Enrollment
United States
12 participants
n=99 Participants
13 participants
n=107 Participants
25 participants
n=206 Participants
Body Mass Index
26.6 kg/m^2
STANDARD_DEVIATION 3.7 • n=99 Participants
23.8 kg/m^2
STANDARD_DEVIATION 5.3 • n=107 Participants
25.1 kg/m^2
STANDARD_DEVIATION 4.82 • n=206 Participants
High Blood Pressure
9 Participants
n=99 Participants
8 Participants
n=107 Participants
17 Participants
n=206 Participants
Diabetes
2 Participants
n=99 Participants
4 Participants
n=107 Participants
6 Participants
n=206 Participants
Former Smoker
8 Participants
n=99 Participants
4 Participants
n=107 Participants
12 Participants
n=206 Participants

PRIMARY outcome

Timeframe: Up to 4 weeks

Population: Lung transplant recipients

Gastrocnemius muscle endurance was assessed by measuring sustained involuntary muscle contractions using surface electromyography (sEMG; Delsys Trigno). During a 60-minute electrical stimulation therapy session, sEMG signals were recorded from the last two minutes of the therapy to evaluate muscle activity in response to electrical stimulation. The recorded sEMG data were normalized to the average sEMG signals captured during the same interval, yielding values in normalized units (n.u.), higher values indicate higher muscle endurance. The endpoint was defined as either the last day in the hospital or the completion of week 4 of the intervention, whichever occurred first.

Outcome measures

Outcome measures
Measure
Control
n=13 Participants
Subjects will receive a non-functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Intervention
n=12 Participants
Subjects will receive a functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Gastrocnemius Muscle Endurance at Endpoint
178 n.u.
Standard Deviation 14.6
180 n.u.
Standard Deviation 12.6

SECONDARY outcome

Timeframe: Up to 4 weeks

The thickness of the medial gastrocnemius muscle was measured using a portable muscle ultrasound device (Vscan Air). Changes in gastrocnemius thickness (measured in cm) from baseline to the endpoint were calculated, and the average change was reported. The endpoint was defined as either the last day in the hospital or the completion of week 4 of the intervention, whichever occurred first

Outcome measures

Outcome measures
Measure
Control
n=13 Participants
Subjects will receive a non-functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Intervention
n=12 Participants
Subjects will receive a functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Change in Gastrocnemius Muscle Thickness at 4 Weeks Compared to Baseline
-0.17 centimeters
Standard Deviation .14
-0.12 centimeters
Standard Deviation 0.10

SECONDARY outcome

Timeframe: up to 4 weeks

Population: This secondary outcome for one of the subjects in the intervention group was not collected due to time constraints.

Percentage of tissue oxygen saturation was measured at endpoint (study conclusion) at three time points: before neuromodulation (minute 0), immediately after 1 hour of neuromodulation (minute 60), and 10 minutes post-neuromodulation (minute 70) at the plantar region, following the protocol described by Zurbaran-Rojas et al. (Physiological Reports, 2023, DOI: 10.14814/phy2.15636). A non-invasive near-infrared spectroscopy camera (Snapshot, Kent Imaging) will be used to obtain oxygen saturation in response to neuromodulation. The endpoint was defined as either the last day in the hospital or up to week 4 of the intervention, whichever came first.

Outcome measures

Outcome measures
Measure
Control
n=13 Participants
Subjects will receive a non-functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Intervention
n=11 Participants
Subjects will receive a functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Percentage of Tissue Oxygen Saturation at Endpoint
Plantar Sat02 at 0 minutes
64.1 Percentage of tissue oxygen saturation
Standard Deviation 8.3
60.2 Percentage of tissue oxygen saturation
Standard Deviation 7.9
Percentage of Tissue Oxygen Saturation at Endpoint
Plantar Sat02 at 60 minutes
64.1 Percentage of tissue oxygen saturation
Standard Deviation 9.0
58 Percentage of tissue oxygen saturation
Standard Deviation 6.7
Percentage of Tissue Oxygen Saturation at Endpoint
Plantar Sat02 at 70 minutes
63.8 Percentage of tissue oxygen saturation
Standard Deviation 7.9
59 Percentage of tissue oxygen saturation
Standard Deviation 6.1

SECONDARY outcome

Timeframe: up to 4 weeks

Population: This secondary outcome was not collected for all participants due to time constraints or participants' inability to complete the test.

Maximum Voluntary Contraction will be assed using a dynamometer during isometric plantar flexion for 5 seconds.

Outcome measures

Outcome measures
Measure
Control
n=11 Participants
Subjects will receive a non-functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Intervention
n=10 Participants
Subjects will receive a functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Ankle Strength at 4 Weeks
2.15 kg
Standard Deviation .94
2.28 kg
Standard Deviation .69

SECONDARY outcome

Timeframe: up to 4 weeks.

Population: This secondary outcome was not collected for all participants due to time constraints.

Sural nerve conduction will be assessed using the DPN check device (Neurometrix Inc).

Outcome measures

Outcome measures
Measure
Control
n=8 Participants
Subjects will receive a non-functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Intervention
n=7 Participants
Subjects will receive a functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Sural Nerve Conduction at 4 Weeks
47.15 m/s
Standard Deviation 8.2
50.5 m/s
Standard Deviation 6.3

SECONDARY outcome

Timeframe: up to 4 weeks.

Sural nerve amplitude will be assessed using the DPN check device (Neurometrix Inc).

Outcome measures

Outcome measures
Measure
Control
n=9 Participants
Subjects will receive a non-functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Intervention
n=8 Participants
Subjects will receive a functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Sural Nerve Amplitude at 4 Weeks
6.9 microvolts (µV).
Standard Deviation 5.3
10 microvolts (µV).
Standard Deviation 5.3

OTHER_PRE_SPECIFIED outcome

Timeframe: 1 month after study termination (up to 8 weeks).

Anxiety levels will be measured using the Beck anxiety inventory validated questionnaire. The minimum score is 0, meaning low anxiety, and the maximum score is 63 , meaning potential concerning levels of anxiety.

Outcome measures

Outcome measures
Measure
Control
n=12 Participants
Subjects will receive a non-functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Intervention
n=10 Participants
Subjects will receive a functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Anxiety Level 4 Weeks After Hospital Discharge
5.5 score on a scale
Interval 2.0 to 21.0
4.0 score on a scale
Interval 1.0 to 11.0

OTHER_PRE_SPECIFIED outcome

Timeframe: 1 month after study termination (up to 8 weeks).

Independence activities of daily living will be measured using Katz Index Scale . The minimum score is 0, meaning patient independent, and the maximum score is 6, meaning patient very dependent.

Outcome measures

Outcome measures
Measure
Control
n=12 Participants
Subjects will receive a non-functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Intervention
n=10 Participants
Subjects will receive a functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Independence Activities of Daily Living (ADL) 4 Weeks After Hospital Discharge
5.0 score on a scale
Interval 2.0 to 6.0
6.0 score on a scale
Interval 0.0 to 6.0

OTHER_PRE_SPECIFIED outcome

Timeframe: 1 month after study termination (up to 8 weeks).

Independence in Instrumental activities of daily living will be measured Lawton Brody Scale . The minimum score is 0, meaning low function-dependent, and the maximum score is 8, meaning high function independent.

Outcome measures

Outcome measures
Measure
Control
n=12 Participants
Subjects will receive a non-functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Intervention
n=10 Participants
Subjects will receive a functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Instrumental Activities of Daily Living (IADL) 4 Weeks After Hospital Discharge
2.0 score on a scale
Interval 1.0 to 7.0
5.5 score on a scale
Interval 0.0 to 7.0

OTHER_PRE_SPECIFIED outcome

Timeframe: 1 month after study termination (up to 8 weeks).

Individuals functional mobility and extent of community engagement will be measured with the UAB life space questionnaire. The minimum score is 0, totally bed-bound, and the maximum score is 120, meaning traveling everyday out of town without assistance.

Outcome measures

Outcome measures
Measure
Control
n=11 Participants
Subjects will receive a non-functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Intervention
n=10 Participants
Subjects will receive a functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Individuals Mobility and Participation in Various Life Spaces or Environments
21.0 score on a scale
Interval 0.0 to 64.0
40.8 score on a scale
Interval 0.0 to 72.0

OTHER_PRE_SPECIFIED outcome

Timeframe: 4 weeks

The incidence of deep vein thrombosis was documented from electronic health records at week 4 following the initiation of the intervention.

Outcome measures

Outcome measures
Measure
Control
n=13 Participants
Subjects will receive a non-functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Intervention
n=12 Participants
Subjects will receive a functional neuromodulation device to wear for 1 hour daily up to four weeks or until hospital discharge, whichever came first.
Deep Vein Thrombosis Events at 4 Weeks
0 Participants
0 Participants

Adverse Events

Intervention

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

Prof. Bijan Najafi

Baylor College of Medicine

Phone: 7137987536

Results disclosure agreements

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