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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04065724
Other study ID # KoebenhavnsKommune
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date February 2013
Est. completion date January 2015

Study information

Verified date August 2019
Source Københavns Kommune
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Physical training is one of the cornerstones within the treatment of diabetes, as well as medicine and diet modification, and the effect is well documented. Nevertheless people with diabetes with foot ulcers are urged to lessen their level of physical activity, to reduce pressure on footbed and thereby achieve fastest possible healing.

Purpose: The primarily purpose is to investigate the feasibility of implementing safe, progressive resistance training, combined with exercises for ankle mobility and aerobic training, for people with diabetes and foot ulcers, without compromising the ulcer. The secondarily purpose is to investigate whether this form of training is effective on improving muscle strength, as to if limitations in everyday life diminishes.

The hypothesis is, that it is possible to implement a structured exercise program without compromising the diabetic ulcer.


Description:

Background:

Physical training is one of the cornerstones within the treatment of diabetes, as well as medicine and diet modification, and the effect is well documented in terms of improved glycemic control, loss of fat tissue, lower content of triglycerides in blood, improved insulin sensitivity, and lower diabetes related mortality. Nevertheless people with diabetes and foot ulcers are urged to lessen their level of physical activity, to reduce pressure and thereby achieve fastest possible healing. Most ulcers occur at the footbed and the rationale is that the pressure on the ulcer area should be minimized to achieve healing.

Purpose: The primarily purpose of the study is to investigate the feasibility of implementing progressive resistance training, combined with exercises for ankle mobility and aerobic training, for people with diabetes and foot ulcers, without compromising the ulcer. The secondarily purpose is to investigate whether this form of training is effective on the following:

- Muscle strength

- Limitations in activity

- Participants´satisfaction The hypothesis is, that it is possible to implement a structured exercise program and achieve improved muscle strength for this population, without compromising the diabetic ulcer.

Material and methods:

- Design:The study is a prospective intervention study. This particular study is the pilot study and has focus on feasibility and includes 10 participants with ulcers at the foot sole, who exercises for 10 weeks, twice a week, in a structured program, closely supervised by a physiotherapist. Participants´ attendance and progression in training is thoroughly recorded, as well as size and depth of ulcer.

- Participants: People with diabetes above the age of 18, resident in the Community of Copenhagen.

- Data:

Independent variables:

- Age

- Gender

Dependant variables with registration of following parameters at baseline and at end of program:

- Muscle strength measured both isometric and dynamically

- Area of ulcer

- HbA1c

- Toe pressure

Collecting data:

Data will be registrated in two phases: at phase 1(pilot study)with 10 participants, and at phase 2 (RCT study), with suitable amount of participants based on power calculations after revision of methods based on experiences from the pilot study. For all participants the program includes two attendances at inclusion and at the end of program. First examination takes place at Copenhagen University Hospital Hvidovre,and includes measuring toe pressure and level of glucoses(HbA1c). Second examination includes measuring of area of ulcer by nurse and assessment of neuropathy, muscle strength, aerobic function, and screening for performing activities in daily life by physiotherapist, at Rehabilitation Centre Vanloese. Same examinations take place at end of program.

- Intervention

Phase 1(feasibility of exercise program):

After initial examinations, 10 participants with foot ulcers participates in standardized group training for 10 weeks, for one hour, twice a week. The program consists of warming-up and aerobic exercise on stationary bike(15 min), with submaximal training at 60-70%, estimated with Borg Scale. Resistance is low to minimize weightbearing on footbed and participants will instead strive for high cadence to achieve appropriate effect from exercise. The resistance training part of the program (35 min) will include training in exercise equipment for the following muscle groups:

- flexors and extensors of knee

- abductors of hip

- extension over glenohumeral joint and upper back (low row)

In no exercise equipment is there pressure on footbed. Resistance level is 15 RM for the first three weeks and hereafter is progression up to 10RM sought.

Strengthening of ankle dorsiflexors with resistance from elastic band is also part of resistance exercises.

The last part of each exercise occasion(10 min) consists of exercises for ankle joint mobility (flexion, dorsiflexion, inversion, eversion). The prescribed ulcer treatment by nurse continues as usual.

Phase 2:

With revised manual a larger study will be implemented and by computerized block randomization, to equally sized groups with all new participants, whereas the intervention group follows the revised, standardized training program as in phase 1, besides the prescribed ulcer treatment by nurse, and the control group follows prescribed ulcer treatment and maintains usual activity level.

For phase 2 the primarily effect target is whether resistance- and aerobic training in a population of people with diabetes with foot ulcers shows effect on muscle strength, aerobic function and balance.

The statistical analysis will be repeated measures variance analysis (ANOVA) for determining effect of resistance- and aerobic training as balance score between baseline and at end of program.

3.8 Data processing and analysis: Data will be collected and entered to SPSS by project manager. Statistical analysis will be repeated measures variance analysis (ANOVA) for determining effect of resistance- and aerobic training.


Recruitment information / eligibility

Status Completed
Enrollment 5
Est. completion date January 2015
Est. primary completion date January 2015
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- patients with stable, diabetic ulcer on foot sole in treatment by nurse

- who speaks and understands Danish

- are able to give consent

- are allowed to walk at least short distances

- above 18 years old

- are able to participate in group exercises

Exclusion Criteria:

- patients with infection in ulcer

- with critical ischemia(<40 mm Hg toe pressure)

- not accepted to participate by answering doctor with regards to safety on renal, heart or eye function

- dyspnea to an extent, that affects speaking

- wheel chair user

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Physical training as resistance and aerobic training.


Locations

Country Name City State
Denmark Rehabilitation Centre Vanloese Copenhagen Vanloese

Sponsors (2)

Lead Sponsor Collaborator
Københavns Kommune Copenhagen University Hospital, Hvidovre

Country where clinical trial is conducted

Denmark, 

Outcome

Type Measure Description Time frame Safety issue
Primary 10 Repetition Maximum (RM)for knee flexor, knee extensor, hip abductor, low row Change in strength measured by 10 Repetition Maximum(RM) 10 weeks after entering exercise programme
Primary Patient Specific Functional Scale(PSFS) Change in ability to perform everyday life tasks, scale from 0-10, 0=can not perform, 10=same level as before ulcer 10 weeks after entering exercise programme
Primary Endurance cycling on stationary bike Change in number of km in 12 min 10 weeks after entering exercise programme
Primary Number of ankle dorsiflexion repetitions Change in maximum number of repetitions with elastic band 10 weeks after entering exercise programme
Primary Ulcer area Change in ulcer area measured in cm2 10 weeks after entering exercise programme
Secondary Participant satisfaction measured by Numeric Rating Scale(NRS) Participant scores satisfaction with programme 0=lowest possible satisfaction 10=highest possible satisfaction 10 weeks after entering exercise programme
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