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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05544409
Other study ID # TKA_MAK
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date June 12, 2019
Est. completion date February 8, 2021

Study information

Verified date September 2022
Source MarsiBionics
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The present study analyzes the effects of using a portable single limb exoskeleton (MAKv1) in patients with total knee artrhoplasty (TKA). Safety, usability and clinical effects of an early intervention program with the device with an early implementation are studied.


Description:

The present study will analyze the safety, usability and clinical effects of using the MAKv1 exoskeleton in TKA patients. The intervention will consist of 1 hour sessions with the MAKv1 device, thrice per week during 1 month. Safety measurements (serious adverse events, vitals, and auto-perceived pain) will be collected at each session with the device, along with the repetitions performed at each exercise assisted with the device. After the first week is completed, measurements regarding clinical effect will be collected. Also, at the end of the month were the participants receive the sessions with the device, clinical effects will be measured again, along with a questionnaire to collect the users' perception of the device (QUEST 2.0).


Recruitment information / eligibility

Status Completed
Enrollment 6
Est. completion date February 8, 2021
Est. primary completion date February 8, 2021
Accepts healthy volunteers No
Gender All
Age group 18 Years to 85 Years
Eligibility Inclusion Criteria: - patients undergoing TKA surgery Exclusion Criteria: - inability to understand simple instructions - postoperative complications that may be a risk to use the exoskeleton - other conditions that prevented mobilisation in early stages after TKA - weight > 100 kg - size < 150 cm - size > 190 cm

Study Design


Related Conditions & MeSH terms


Intervention

Device:
MAKv1
1 hour sessions with the MAKv1 exoskeleton, thrice per week during 1 month

Locations

Country Name City State
Spain Hozpital Universitario La Zarzuela Madrid

Sponsors (1)

Lead Sponsor Collaborator
MarsiBionics

Country where clinical trial is conducted

Spain, 

Outcome

Type Measure Description Time frame Safety issue
Primary Serious Adverse Events event that causes death, life-threat, hospitalization, disability, congenital anomaly, or that requires intervention to prevent permanent impairment or damage Through study completion, an average of 2 months
Secondary Auto-perceived Pain Presence of pain collected with VAS scale (0 to 10) Through completion of the use of the device, during 1 month
Secondary Heart Rate Differences in heart rate beofre and after the use of the device (measured in beats/min) Through completion of the use of the device, during 1 month
Secondary Blood pressure Differences in blood pressure before and after the use of the device (measured in mmHg) Through completion of the use of the device, during 1 month
Secondary Oxygen Saturation Differences in oxygen satruation before and after the use of the device (measured in %SpO2) Through completion of the use of the device, during 1 month
Secondary Body Termperature Differences in body temperature before and after the use of the device (measured in celsius) Through completion of the use of the device, during 1 month
Secondary Repetitions per exercise The number of repetitions per exercise assissted by the MAKv1 device was recorded (mesaured in number of repetitions) Through completion of the use of the device, during 1 month
Secondary QUEST 2.0 scale QUEST 2.0 scale is a usability scale which rates the perception of the user about the device. At the first month of the participation in the trial
Secondary Range of Motion at the knee Range of motion of the knee, measured in degrees (ยบ). Mesaured at the first week, at the first month and at the second month (follow-up) from participation
Secondary Muscle strength at the knee Muscle strength of knee muscles, measured by the modified Medical Research Council scale (mMRC). Mesaured at the first week, at the first month and at the second month (follow-up) from participation
Secondary Knee circumference Circumference of the knee, measured with a metric tape placed at the upper border of the patella (measured in cm) Mesaured at the first week, at the first month and at the second month (follow-up) from participation
Secondary Quadriceps circumference Circumference of the quadriceps, measured with a metric tape placed at 10 cm from the upper border of the patella (measured in cm) Mesaured at the first week, at the first month and at the second month (follow-up) from participation
Secondary 6MWT 6MWT consists of a test were the subject is asked to walk for 6 minutes and the distance covered is collected (measured in meters) Mesaured at the first month and at the second month (follow-up) from participation
Secondary TUG The Timed Up and Go test consists of a test were the subject is asked to stand up from a chair, cover 3 meters in a straight line, and then go back to sit in the same chair. Time to complete the task is recorded (measured in seconds) Mesaured at the first month and at the second month (follow-up) from participation
Secondary FAC The functional Ambulation Categories scale measures the patient's ability according to the assistance needed to deambulate. A score is given from 0 to 5. Mesaured at the first month and at the second month (follow-up) from participation
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