Lidocaine Injection and Ischemic Compression on Chronic Pelvic Pain Treatment

May 23, 2014 updated by: Omero Benedicto Poli Neto, University of Sao Paulo

Local Injection of Lidocaine Versus Ischemic Compression in Treatment of Woman With Chronic Pelvic Pain Caused by Abdominal Myofascial Pain Syndrome: Randomized Clinical Trial.

Our hypothesis is that with comparison of effectiveness of two most common techniques of treatment for myofascial pain syndrome (injection of local anesthesia and ischemic compression) we could choice the most adequate to treat this disease. This way we could decrease the expenses with medicines, examinations, consultations and the time that women remains without a diagnosis and treatment.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Terminated

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

After evaluation and diagnostic confirmation, the patients will be randomized and submitted to the treatment with lidocaine injection or ischemic compression. Each treatment will be placed once a week, for four weeks. Women randomized for treatment with Ischemic compression, will be first subjected to transcutaneal electrostimulation(TENS), in order to receive analgesia on trigger point. The analgesia will be used to inhibit the painful stimulation. The device used for this will be the Dualpex 961, with 100 Hertz of frequency and pulse of 250ms. The intensity will be vary according the painful threshold of each patient. The electrostimulation will be made for 30 minutes. The electrodes will be applied around the trigger point. After analgesia, the ischemic compression will be applied. This therapy consists in a continuous pressure on trigger point. For this we will use one algometer to get maximum of homogeneity on therapy. The pressure intensity will be placed by the average between the values gotten during three previously measurements of threshold pain in each patient. This therapy will be applied three times with duration of 60 seconds each with a 30 seconds of rest between the applications. Injection of anesthesia: this therapy will be applied directly in trigger points with two mL of lidocaine 0.5% with needle of 22 gauges directly and perpendicularly in trigger point. The Evaluations for each treatment will be carried immediately before the randomization; In one month: immediately after the four weeks of treatment; - Three months: three months after the treatment; - Six months: six months after the treatment.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
30

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 4

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Brazil
    • Sao Paulo
      • Ribeirão Preto, Sao Paulo, Brazil, 14049-900
        • Center of Chronic Pelvic Pain and Gynecologic Endoscopy of Ribeirao Preto Medical School, University of Sao Paulo

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years to 45 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Female

Description

Inclusion Criteria:

  1. Women with chronic diagnosis of pelvic pain;
  2. Women in menacme;
  3. Presence of the diagnostic criteria for abdominal myofascial syndrome;
  4. Agreement with the Term of Free and Clarified Assent.

Exclusion Criteria:

  1. Endometriosis, interstitial cystitis, syndrome of the irritable intestine or another illness that it justifies or it contributes for chronic pelvic pain;
  2. Endometrioma or hernia evidenced to the ultrasound of the abdominal wall.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: lidocaine injection

Lidocaine injection. Women randomized for this treatment was submitted to 2 milliliters of lidocaine 0,5% without vasoconstrictor, directly and perpendicularly on trigger point.

Patients received lidocaine injections once a week for 4 weeks
Drug: lidocaine
Women randomized for this treatment was submitted to 2mL of lidocaine 0,5% without vasoconstrictor, directly and perpendicularly on trigger point. Patients received lidocaine injections once a week for 4 weeks
Other Names:
  • Lidocaine injection
Experimental: Ischemic compression
Women randomized for treatment with ischemic compression will be first subjected to transcutaneal electrostimulation (TENS) for 30 minutes on trigger point to inhibit the painful stimulation. For this will be used 100 Hertz of frequency and pulse of 250ms. The intensity will be varying according the painful threshold of each patient. After, the ischemic compression will be applied. For this we will use an algometer to get maximum of homogeneity on therapy. The pressure intensity will be placed by the average between the values gotten during three previously measurements of threshold pain in each patient. The therapy will be applied in trigger point three times (60 seconds each) with 30 seconds of rest between the applications.
Procedure: Ischemic compression
Women randomized for treatment with ischemic compression will be first subjected to transcutaneal electrostimulation(TENS) for 30 minutes on trigger point to inhibit the painful stimulation. For this will be used 100 Hertz of frequency and pulse of 250ms. The intensity will be varying according the painful threshold of each patient. After, the ischemic compression will be applied. For this we will use an algometer to get maximum of homogeneity on therapy. The pressure intensity will be placed by the average between the values gotten during three previously measurements of threshold pain in each patient. The therapy will be applied in trigger point three times (60 seconds each) with 30 seconds of rest between the applications.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Intensity of Pain
Time Frame: immediately, 1, 3 months after treatment
The pain will measured by using the visual analogue scale, that is represented by a straight line of 100mm starting at "absence of pain" and ending at point "worst pain experienced or imagined".
immediately, 1, 3 months after treatment
Clinical Response Rate
Time Frame: immediately, 1, 3 months after treatment
We analyzed the clinical response rate considering significative reduction of 50% of visual analogue scale or significative subjective improvement.
immediately, 1, 3 months after treatment

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
University of Sao Paulo

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Study Director: Omero Poli, doctor, University of Sao Paulo

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
February 1, 2008

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
October 1, 2009

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
March 1, 2010

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
February 25, 2008

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
February 25, 2008

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
March 5, 2008

Study Record Updates

Last Update Posted (Estimate)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
June 6, 2014

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
May 23, 2014

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
May 1, 2014

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • HCRP10272/2007

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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