Trial Outcomes & Findings for Teleoperation Experimental Comparison With Able-bodied Subjects (NCT NCT05048394)

NCT ID: NCT05048394

Last Updated: 2024-12-18

Results Overview

The participant is instructed to transfer a fragile, ball-like object that breaks at 8 Newtons of force over a 10-centimeter high barrier as many times as possible in a 2-minute period. A broken or dropped object is considered an unsuccessful transfer. The number of successful and attempted transfers is recorded. This task is modeled after the Box-and-Blocks Test and has been used to validate fine dexterity of myoelectric upper limb prostheses.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

11 participants

Primary outcome timeframe

Day 1 (1 hour)

Results posted on

2024-12-18

Participant Flow

Participant milestones

Participant milestones
Measure
Standard-of-care Then Semi-autonomous Myoelectric Control
The standard of care myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand The semi-autonomous myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand. Semi-autonomous myoelectric control algorithm: The semi-autonomous myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand. Standard-of-care myoelectric control algorithm: The standard of care myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand.
Semi-autonomous Then Standard-of-care Myoelectric Control
The semi-autonomous myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand. The standard of care myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand Semi-autonomous myoelectric control algorithm: The semi-autonomous myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand. Standard-of-care myoelectric control algorithm: The standard of care myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand.
Overall Study
STARTED
7
4
Overall Study
COMPLETED
7
4
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Standard-of-care Then Semi-autonomous Myoelectric Control
n=7 Participants
The standard of care myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand The semi-autonomous myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand. Semi-autonomous myoelectric control algorithm: The semi-autonomous myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand. Standard-of-care myoelectric control algorithm: The standard of care myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand.
Semi-autonomous Then Standard-of-care Myoelectric Control
n=4 Participants
The semi-autonomous myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand. The standard of care myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand Semi-autonomous myoelectric control algorithm: The semi-autonomous myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand. Standard-of-care myoelectric control algorithm: The standard of care myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand.
Total
n=11 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=7 Participants
0 Participants
n=4 Participants
0 Participants
n=11 Participants
Age, Categorical
Between 18 and 65 years
7 Participants
n=7 Participants
4 Participants
n=4 Participants
11 Participants
n=11 Participants
Age, Categorical
>=65 years
0 Participants
n=7 Participants
0 Participants
n=4 Participants
0 Participants
n=11 Participants
Age, Continuous
30 years
STANDARD_DEVIATION 7 • n=7 Participants
27 years
STANDARD_DEVIATION 1 • n=4 Participants
29 years
STANDARD_DEVIATION 6 • n=11 Participants
Sex: Female, Male
Female
2 Participants
n=7 Participants
1 Participants
n=4 Participants
3 Participants
n=11 Participants
Sex: Female, Male
Male
5 Participants
n=7 Participants
3 Participants
n=4 Participants
8 Participants
n=11 Participants
Race and Ethnicity Not Collected
0 Participants
Race and Ethnicity were not collected from any participant.
Region of Enrollment
United States
7 participants
n=7 Participants
4 participants
n=4 Participants
14 participants
n=11 Participants
Handedness
Right
6 Participants
n=7 Participants
3 Participants
n=4 Participants
9 Participants
n=11 Participants
Handedness
Left
1 Participants
n=7 Participants
1 Participants
n=4 Participants
2 Participants
n=11 Participants

PRIMARY outcome

Timeframe: Day 1 (1 hour)

The participant is instructed to transfer a fragile, ball-like object that breaks at 8 Newtons of force over a 10-centimeter high barrier as many times as possible in a 2-minute period. A broken or dropped object is considered an unsuccessful transfer. The number of successful and attempted transfers is recorded. This task is modeled after the Box-and-Blocks Test and has been used to validate fine dexterity of myoelectric upper limb prostheses.

Outcome measures

Outcome measures
Measure
Standard-of-care Then Semi-autonomous Myoelectric Control
n=7 Participants
The standard of care myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand The semi-autonomous myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand. Semi-autonomous myoelectric control algorithm: The semi-autonomous myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand. Standard-of-care myoelectric control algorithm: The standard of care myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand.
Semi-autonomous Then Standard-of-care Myoelectric Control
n=4 Participants
The semi-autonomous myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand. The standard of care myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand Semi-autonomous myoelectric control algorithm: The semi-autonomous myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand. Standard-of-care myoelectric control algorithm: The standard of care myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand.
Transfer Success Rate in a Fragile Box and Blocks Task
Standard-of-care control
67.50 percentage of attempted transfers
Standard Deviation 20.35
72.75 percentage of attempted transfers
Standard Deviation 17.54
Transfer Success Rate in a Fragile Box and Blocks Task
Semi-autonomous control
93.46 percentage of attempted transfers
Standard Deviation 9.02
95.06 percentage of attempted transfers
Standard Deviation 6.93

SECONDARY outcome

Timeframe: Day 1 (1 hour)

The participant is instructed to pick up a 2-inch Styrofoam ball and hold the object above the desk or table for 2 minutes. If the ball is dropped, the participant is instructed to pick it back up. The 2-minute timer does not restart. The number of times the ball was dropped is recorded. This task has been used to validate the ability of myoelectric prostheses to assist with gross, prolonged movements.

Outcome measures

Outcome measures
Measure
Standard-of-care Then Semi-autonomous Myoelectric Control
n=7 Participants
The standard of care myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand The semi-autonomous myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand. Semi-autonomous myoelectric control algorithm: The semi-autonomous myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand. Standard-of-care myoelectric control algorithm: The standard of care myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand.
Semi-autonomous Then Standard-of-care Myoelectric Control
n=4 Participants
The semi-autonomous myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand. The standard of care myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand Semi-autonomous myoelectric control algorithm: The semi-autonomous myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand. Standard-of-care myoelectric control algorithm: The standard of care myoelectric control algorithm will be implemented on a by-pass prosthetic socket with a sensorized TASKA prosthetic hand.
Ball Drops in a Holding Task
Standard-of-care control
0 ball drops
Interval 0.0 to 1.0
0 ball drops
Interval 0.0 to 1.0
Ball Drops in a Holding Task
Semi-autonomous control
1 ball drops
Interval 0.0 to 2.0
0 ball drops
Interval 0.0 to 2.0

Adverse Events

Standard-of-care Then Semi-autonomous Myoelectric Control

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

Semi-autonomous Then Standard-of-care Myoelectric 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

Becca Connolly

Point Designs

Phone: 720-600-4753

Results disclosure agreements

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