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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT00999180
Other study ID # UFBA-064
Secondary ID
Status Active, not recruiting
Phase Phase 3
First received October 20, 2009
Last updated December 14, 2011
Start date June 2009
Est. completion date April 2012

Study information

Verified date October 2009
Source Federal University of Bahia
Contact n/a
Is FDA regulated No
Health authority Brazil: National Committee of Ethics in Research
Study type Interventional

Clinical Trial Summary

The objective of this study is to assess if the association of botulinum toxin type A and kinesitherapy is superior to kinesitherapy and 0,9% saline for the functional performance in post-stroke patients.

Hypothesis H(0): BT-A associated to kinesitherapy is not superior to kinesitherapy in the function of hemiparetic post-stroke patients.

H(1): BT-A associated to kinesitherapy is superior to kinesitherapy in the function of hemiparetic post-stroke patients.


Description:

The patients will be oriented regarding to the study steps and potential risks of the procedures. They will be assessed by a spasticity-experienced physical therapist. Demographical data will be collected by a questionnaire, the range of movement will be measured with a goniometer, and the muscle tone will be determine by the modified Ashworth scale, with the patient in dorsal decubitus. The presence of hypertonia equal or superior to 2 will assign the respective muscle to injection. Then the patients will be conducted to another room, where another therapist will assess the functional performance by the "timed up and go" (TUG) test, a six-minutes duration walking, and the Fugl-Meyer scale for the upper limb, with the patient in the seated position. During the TUG test the patient is asked to stand up from a chair and walk 3 meters, turn around 180 degrees, and walk back to the chair, assuming 10 seconds as the normal. The 6 minutes walking test will measure the distance in meters in a previously demarcated place. A staff will constantly stimulate the patient verbally, to walk as fast as possible.

Posteriorly the patients will be set in another room, where a neurologist will inject one of the two possible substances, with a pre-determined dosage and dilution. The botulinum toxin group will have the syringe filled with botulinum toxin type A (Dysport) and the control group will have the syringe filled with saline. All the patients will be reassessed in three and six months for a new injection, and will undergo the last evaluation in nine months.

During this period the patients will be followed by the IBR facility where will undergo a protocol of physical therapy comprising muscle strengthen, flexibility, endurance, and functional training (appendix D). There will be appointments twice a week, one day apart. The duration of the session will be 30 minutes, being 1 minute the interval between the activities. The first 5 minutes will comprise the flexibility exercises, with sustained stretching (15 seconds) and joint mobilizations, followed by a muscle strength exercise involving concentric and eccentric movements, with a progressive charge depending on the patient performance within the following 10 minutes. The last 15 minutes will have a functional training involving gait and upper limb activity combined with endurance training. These activities will be divided into two days: the first day for the trunk and upper limb, and the second for the pelvic, gait, and lower limb exercises. This protocol will be carried out by two physical therapist blinded regarding to the drug injection.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 40
Est. completion date April 2012
Est. primary completion date March 2012
Accepts healthy volunteers No
Gender Both
Age group 18 Years to 70 Years
Eligibility Inclusion Criteria:

- Clinical diagnosis of cerebrovascular accident and indication for the botulinum toxin injection (Hypertonia equal or superior to 2 according to the Ashworth scale).

- Patients followed by the physical therapy staff at the IBR and HAS, with 2 appointments per week.

- Patients from both sexes with ages superior to 18 years

- To have the minimum of one a maximum of five years post post-stroke.

Exclusion Criteria:

- Patients with age superior to 70 years

- Cognitive impairment

- Poorly controlled arterial hypertension

- Presence of joint blockade

- Unable to walk independently

- Use of orthesis as a gait aid

- Use of botulinum toxin within the last six months

- Use of systemic drugs for reduction of tonus

- Blood, liver, or kidney disorders and pregnant or lactating women

- Cardiopathy

- Comprehension aphasia

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Procedure:
Botulinum toxin type A and kinesiotherapy
Stroke, Botulinum Toxin
Saline and Kinesiotherapy
Saline and Kinesiotherapy

Locations

Country Name City State
Brazil Federal University of Bahia Salvador Bahia

Sponsors (1)

Lead Sponsor Collaborator
Federal University of Bahia

Country where clinical trial is conducted

Brazil, 

Outcome

Type Measure Description Time frame Safety issue
Primary Functional performance assessed by TUG test and six minutes walking: an improvement of more than 50% of the expected for each test. one year No
Secondary Muscle tone: a reduction of at least 1 point in the Ashworth scale. Range of movement: an improvement of at least 10 degrees. one year No
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