- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02866656
The Clinical Research of Low Intensity Continuous Ultrasonic on Lower Limb Arteriosclerosis Occlusion(ASO) Syndrome
The Clinical Research of Low Intensity Continuous Ultrasonic on Lower Limb Arteriosclerosis Occlusion(ASO) Syndrome
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Ultrasound is a form of sound whose frequency is higher than the natural audible range for humans (> 20 kHz) and ultrasonography has been widely used as diagnostic devices for several decades. In addition to diagnostic purposes, ultrasound is clinically used for therapeutic applications, including tumor ablation, thrombolysis, bone regeneration, and facilitated drug delivery. Recently, therapeutic angiogenic effects of low-intensity ultrasound have been reported in endothelial cells, chick chorioallantoic membrane, and a rat model of hind limb ischemia. the investigators hypothesis low-intensity ultrasound can improve the ailment of ASO. In the present study, by evaluating the efficacy and safety of low intensity ultrasonic on ASO, to explore the noninvasive auxiliary treatment of ASO. 90 patients were randomly divided into 2 groups: A)control group,patients were given Conventional conservative treatment: B)treatment group,patients were given Conventional conservative treatment and low intensity ultrasonic treatment; Treatments last for 4 weeks, three times a week, stimulation was given 8 minutes every time, location of treatment were lower limb ischemia area and its surrounding tissues;outcome indicators were recorded Before and 4 weeks after the trial, The Walking Impairment Questionnaire (WIQ), ankle brachial ratio, the farthest distance Walking, percutaneous tissue oxygen tension, tissue oxygenation index recovery time, local skin temperature, ultrasonic blood vessels, and muscle enzymes, hepatic and kidney function.
the investigators speculate after 4 weeks of Low intensity ultrasonic treatment, all the observation index of ASO patients can be improved; meanwhile, creatine kinase, liver and kidney function, blood in urine routine, electrocardiogram (ecg) has no obvious change.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- lower limb arteriosclerosis occlusion disorder patients
- In line with the Fontaine II - Ⅲ period clinical stage
- Aged 35 to 70 years old
- No major organ dysfunction, including heart, liver and kidney
- Can understand the procedures and methods of the test, strictly observe clinical trial plan to complete the test, and sign the informed consent
Exclusion Criteria:
- Fontaine clinical staging in patients with stage I
- Aged under 35 or more than 70 - year - old patient
- Women with pregnancy or lactation
- Childless and one year plan pregnancy
- Patients with cardiac pacemaker
- Patients with malignant tumor, psychosis
- Accompanied by severe heart, brain, kidney and hematopoietic system disease
- The following appeared in the process of being test: myocardial infarction, severe/unstable angina, coronary artery/peripheral artery bypass grafts, heart failure, cerebrovascular accident (including transient ischemic attack); And epilepsy, severe liver and kidney function is not complete, mechanical intestinal obstruction, bradycardia, bronchial asthma and other diseases
- Researchers think the patient has any problem that may cause the participants can't finish this research ,or any other situation of risk to participants
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: control group
patients were given Conventional conservative treatment;
|
Treatment last for 4 weeks, three times a week,
|
EXPERIMENTAL: therapeutic ultrasound group
patients were given Conventional conservative treatment and low intensity ultrasonic treatment ;
|
Treatment last for 4 weeks, three times a week,
Treatment last for 4 weeks, three times a week, stimulation was given 8 minutes every time, location of treatment were lower limb ischemia area and its surrounding tissues;
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Improvement of ankle brachial ratio at 4 weeks of treatment
Time Frame: 4weeks
|
4weeks
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Improvement of local skin temperature at 4 weeks of treatment
Time Frame: 4weeks
|
4weeks
|
Recovery of ultrasonic blood vessels at 4 weeks of treatment
Time Frame: 4weeks
|
4weeks
|
Enhancement of the value of muscle enzymes at 4 weeks of treatment
Time Frame: 4weeks
|
4weeks
|
Elevation of the value of hepatic and kidney function at 4 weeks of treatment
Time Frame: 4weeks
|
4weeks
|
Improvement of the farthest distance Walking at 4 weeks of treatment
Time Frame: 4weeks
|
4weeks
|
Changes of percutaneous tissue oxygen tension at 4 weeks of treatment
Time Frame: 4weeks
|
4weeks
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start
Primary Completion (ANTICIPATED)
Study Completion (ANTICIPATED)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ESTIMATE)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- XH-16-007
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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